CN108535940A - A kind of projecting apparatus of portable college teaching - Google Patents
A kind of projecting apparatus of portable college teaching Download PDFInfo
- Publication number
- CN108535940A CN108535940A CN201810383694.XA CN201810383694A CN108535940A CN 108535940 A CN108535940 A CN 108535940A CN 201810383694 A CN201810383694 A CN 201810383694A CN 108535940 A CN108535940 A CN 108535940A
- Authority
- CN
- China
- Prior art keywords
- casing
- fixed
- cover board
- projecting apparatus
- electric telescopic
- 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
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
- G03B21/16—Cooling; Preventing overheating
Abstract
The invention discloses a kind of projecting apparatus of portable college teaching,Including casing,The upper surface of the casing is equipped with control switch and port,Import on the left of the casing lower surface is equipped with strainer,The right side of the casing is equipped with air outlet,The right side of the casing is fixed with handle,The projecting apparatus of this portable college teaching,It is simple in structure,It is easy to use,In the bottom of casing, the air inlet and strainer of larger area are set,The air outlet of cooperation rear side realizes the without hindrance unimpeded of air-flow,Take away the heat on projecting subassembly and PLC controller,Ensure whole service life,Air inlet and air outlet can be blocked by cover board and shield,Without using in the case of avoid casing internal into ash,Simultaneously support protection is provided for casing,Cover board and supporting leg cooperation are supported casing,Realize the unlatching of air inlet and air outlet,Increase ventilation quantity,Fold reduces whole volume simultaneously,It carries and easy to use.
Description
Technical field
The present invention relates to teaching equipment technical field, specially a kind of projecting apparatus of portable college teaching.
Background technology
Multimedia technology is that current information technology field is with fastest developing speed, most active technology, is electronic technology hair of new generation
The focus of exhibition and competition, and projecting apparatus is also known as projector, as part indispensable in multimedia teaching, being one kind can incite somebody to action
Image or video project the equipment on curtain, can be connected with computer etc. by different interfaces and play corresponding video
Signal, at work, the calorific value of lamp panel is very big, temperature is very high, and high temperature is to influence multimedia teaching to use for projecting apparatus work(
The most direct killer of projecting apparatus service life is typically equipped with fan and radiates, separately to improve the service life of projecting apparatus
Outer to also need to use wind guiding component, to improve heat dissipation effect, these components all significantly increase the volume of projecting apparatus, cause
The inconvenience of carrying.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of projection of portable college teaching
Instrument, it is simple in structure, it is easy to use, the bare area of projector components is improved, accelerates heat dissipation, ensures the normal operation of equipment,
It is adjusted simultaneously, it is small, it can effectively solve the problems in background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of projecting apparatus of portable college teaching, packet
Casing is included, the upper surface of the casing is equipped with control switch and port, and the import on the left of the casing lower surface is equipped with strainer,
The right side of the casing is equipped with air outlet, and the right side of the casing is fixed with handle, is installed on the left of the inner cavity of the casing
There is projecting subassembly, is fixed with support plate on the right side of the inner cavity of the casing, the upper end of the support plate is equipped with PLC controller, institute
It states and is fixed with wind turbine on the inside of air outlet, chassis cavity upper side position corresponding with PLC controller is equipped with temperature sensing
Device, the lower surface left end of the casing are hinged with cover board, and there are two gears for socket in the fixing axle in the middle part of the casing lower surface
It covers, is fixed with supporting leg on the downside of the geared sleeve, the geared sleeve is fixedly arranged above guide rod, cunning is socketed on the guide rod
Block, the sliding block lower surface are equipped with the double wedge engaged with geared sleeve, and the inner chamber bottom surface of the casing is equipped with the first of horizontal direction
The telescopic arm of electric telescopic rod, the first electric telescopic rod left end is fixedly linked with sliding block, the input terminal of the control switch
Be electrically connected with the output end of external power supply, the control switch, port and temperature sensor output end respectively with PLC controller
Input terminal electrical connection, the output end input with projecting subassembly, wind turbine and the first electric telescopic rod respectively of the PLC controller
End electrical connection.
As a preferred technical solution of the present invention, position corresponding with supporting leg is equipped with strip-shaped hole in the middle part of the cover board,
The right end upper side of the cover board is fixed with shield.
As a preferred technical solution of the present invention, the branch midleg passes through bar-shaped trough, and two on the upside of cover board
Supporting leg is fixed by the connecting rod connected.
As a preferred technical solution of the present invention, the lower end side of the supporting leg is fixed with pressure pad, under the cover board
Surface position corresponding with pressure pad is equipped with indent.
As a preferred technical solution of the present invention, the inner cavity lower surface of the casing is fixed with the second of vertical direction
The input terminal of electric telescopic rod, second electric telescopic rod is electrically connected with the output end of PLC controller, on the downside of the telescopic arm
Face position corresponding with the second electric telescopic rod is equipped with positioning cap.
Compared with prior art, the beneficial effects of the invention are as follows：The projecting apparatus of this portable college teaching, structure letter
It is single, it is easy to use, the air inlet and strainer of larger area are set in the bottom of casing, the air outlet of rear side is coordinated to realize air-flow
It is without hindrance unimpeded, the heat on projecting subassembly and PLC controller is taken away, ensures whole service life, passes through cover board and shield energy
It is enough that air inlet and air outlet are blocked, without using in the case of avoid casing internal into ash, while providing branch for casing
Support protection, cover board and supporting leg cooperation are supported casing, realize the unlatching of air inlet and air outlet, increase ventilation quantity, simultaneously
Fold reduces whole volume, carries and easy to use.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is cross-sectional view of the present invention.
In figure：1 casing, 101 strainers, 102 air outlets, 103 handles, 2 control switches, 3 ports, 4 projecting subassemblies, 5 supports
Plate, 6PLC controllers, 7 geared sleeves, 8 cover boards, 801 bar-shaped troughs, 802 shields, 9 supporting legs, 901 pressure pads, 902 connecting rods, 10 wind turbines,
11 temperature sensors, 12 first electric telescopic rods, 13 telescopic arms, 14 guide rods, 15 sliding blocks, 16 second electric telescopic rods, 17 positioning
Cap.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of projecting apparatus of portable college teaching, including
The upper surface of casing 1, casing 1 is equipped with control switch 2 and port 3, and the import on the left of 1 lower surface of casing is equipped with strainer 101, machine
The right side of shell 1 is equipped with air outlet 102, and the right side of casing 1 is fixed with handle 103, projection is equipped on the left of the inner cavity of casing 1
Component 4, is fixed with support plate 5 on the right side of the inner cavity of casing 1, and the upper end of support plate 5 is equipped with PLC controller 6, in air outlet 102
Side is fixed with wind turbine 10, and 1 inner cavity upper side of casing position corresponding with PLC controller 6 is equipped with temperature sensor 11, casing 1
Lower surface left end be hinged with cover board 8, in the fixing axle in the middle part of 1 lower surface of casing socket there are two geared sleeve 7, geared sleeve 7
Downside is fixed with supporting leg 9, and 8 middle part of cover board position corresponding with supporting leg 9 is equipped with strip-shaped hole 801, and the right end upper side of cover board 8 is fixed
There is shield 802, the middle part of supporting leg 9 passes through bar-shaped trough 801, and the two supporting legs 9 of 8 upside of cover board pass through 902 stationary phase of connecting rod
Even, the lower end side of supporting leg 9 is fixed with pressure pad 901, and 8 lower surface of cover board position corresponding with pressure pad 901 is equipped with indent, geared sleeve
7 are fixedly arranged above guide rod 14, and sliding block 15 is socketed on guide rod 14, and sliding block 15 lower surface is equipped with the double wedge engaged with geared sleeve 7,
The inner chamber bottom surface of casing 1 is equipped with the first electric telescopic rod 12 of horizontal direction, the telescopic arm 13 of 12 left end of the first electric telescopic rod
It is fixedly linked with sliding block 15, the input terminal of control switch 2 is electrically connected with the output end of external power supply, control switch 2,3 and of port
The output end of temperature sensor 11 is electrically connected with the input terminal of PLC controller 6 respectively, the output end of PLC controller 6 respectively with throwing
The input terminal of shadow component 4, wind turbine 10 and the first electric telescopic rod 12 is electrically connected, and the inner cavity lower surface of casing 1 is fixed with vertical side
To the second electric telescopic rod 16, the input terminal of the second electric telescopic rod 16 is electrically connected with the output end of PLC controller 6, stretches
13 downside of arm position corresponding with the second electric telescopic rod 16 is equipped with positioning cap 17, the projecting apparatus of this portable college teaching
Used electronic component is the prior art and is not innovated herein, is no longer repeated herein, and PLC controller 6 is adopted
With Siemens 6ES7211-0AA23-0XB0, the projecting apparatus of this portable college teaching is simple in structure, easy to use, in machine
The air inlet and strainer 101 of the bottom setting larger area of shell 1, coordinate the air outlet 102 of rear side to realize the without hindrance unimpeded of air-flow,
The heat on projecting subassembly 4 and PLC controller 6 is taken away, ensures whole service life, it can be right by cover board 8 and shield 802
Air inlet and air outlet 102 are blocked, without using in the case of avoid inside casing 1 into ash, while providing branch for casing 1
Support protection, cover board 8 and the cooperation of supporting leg 9 are supported casing 1, realize the unlatching of air inlet and air outlet 102, increase ventilation
Amount, while fold reduces whole volume, carries and easy to use.
When in use：It opens control 2 pairs of PLC controllers 6 of switch to power, PLC controller 6 drives the first electric telescopic rod 12
Band movable slider 15 is moved to the left along guide rod 14, and overturning is downward counterclockwise with geared sleeve 7 for supporting leg 9, the work of the second electric telescopic rod 16,
Will end arms be inserted into positioning cap 17 in the deflection angle of supporting leg 9 is locked, cover board 8 under the limit of connecting rod 902 with supporting leg 9
Cross support, wind turbine 10 is coordinated to work, external air flow enters after the filtering of filter screen 101 in casing 1, carries projecting subassembly 4
It is discharged from air outlet 102 with after the heat of PLC controller 6.
The configuration of the present invention is simple, it is easy to use, the bare area of projector components is improved, heat dissipation is accelerated, ensures equipment
Normal operation, while cover board 8 and supporting leg 9 are adjustable, reduce volume, are used convenient for the carrying of teaching.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of projecting apparatus of portable college teaching, including casing (1), it is characterised in that：The upper surface of the casing (1)
(2) and port (3) are switched equipped with control, the import on the left of casing (1) lower surface is equipped with strainer (101), the casing
(1) right side is equipped with air outlet (102), and the right side of the casing (1) is fixed with handle (103), the casing (1) it is interior
Projecting subassembly (4) is installed on the left of chamber, support plate (5) is fixed on the right side of the inner cavity of the casing (1), the support plate (5)
Upper end is equipped with PLC controller (6), and wind turbine (10), casing (1) the inner cavity upside are fixed on the inside of the air outlet (102)
Face position corresponding with PLC controller (6) is equipped with temperature sensor (11), and the lower surface left end of the casing (1) is hinged with
Cover board (8), socket is there are two geared sleeve (7) in the fixing axle in the middle part of casing (1) lower surface, under the geared sleeve (7)
Side is fixed with supporting leg (9), and the geared sleeve (7) is fixedly arranged above guide rod (14), sliding block is socketed on the guide rod (14)
(15), sliding block (15) lower surface is equipped with the double wedge engaged with geared sleeve (7), and the inner chamber bottom surface of the casing (1) is equipped with water
Square to the first electric telescopic rod (12), the telescopic arm (13) of the first electric telescopic rod (12) left end is solid with sliding block (15)
Fixed to be connected, the input terminal of the control switch (2) is electrically connected with the output end of external power supply, the control switch (2), port
(3) it is electrically connected respectively with the input terminal of PLC controller (6) with the output end of temperature sensor (11), the PLC controller (6)
Output end be electrically connected respectively with the input terminal of projecting subassembly (4), wind turbine (10) and the first electric telescopic rod (12).
2. a kind of projecting apparatus of portable college teaching according to claim 1, it is characterised in that：The cover board (8)
Middle part position corresponding with supporting leg (9) is equipped with strip-shaped hole (801), and the right end upper side of the cover board (8) is fixed with shield
(802)。
3. a kind of projecting apparatus of portable college teaching according to claim 1, it is characterised in that：The supporting leg (9)
Middle part pass through bar-shaped trough (801), and the two supporting legs (9) on the upside of cover board (8) are fixedly linked by connecting rod (902).
4. a kind of projecting apparatus of portable college teaching according to claim 1, it is characterised in that：The supporting leg (9)
Lower end side be fixed with pressure pad (901), cover board (8) lower surface position corresponding with pressure pad (901) is equipped with indent.
5. a kind of projecting apparatus of portable college teaching according to claim 1, it is characterised in that：The casing (1)
Inner cavity lower surface be fixed with the second electric telescopic rod (16) of vertical direction, the input terminal of second electric telescopic rod (16)
It is electrically connected with the output end of PLC controller (6), telescopic arm (13) downside position corresponding with the second electric telescopic rod (16)
Positioning cap (17) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383694.XA CN108535940A (en) | 2018-04-26 | 2018-04-26 | A kind of projecting apparatus of portable college teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383694.XA CN108535940A (en) | 2018-04-26 | 2018-04-26 | A kind of projecting apparatus of portable college teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108535940A true CN108535940A (en) | 2018-09-14 |
Family
ID=63479446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383694.XA Pending CN108535940A (en) | 2018-04-26 | 2018-04-26 | A kind of projecting apparatus of portable college teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108535940A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167382A (en) * | 1993-12-14 | 1995-07-04 | Sony Corp | Ceiling suspension device for equipment |
| CN106247104A (en) * | 2016-08-24 | 2016-12-21 | 合肥凌翔信息科技有限公司 | A kind of six degree of freedom monitor control mechanism |
| CN206639397U (en) * | 2017-03-17 | 2017-11-14 | 四川信息职业技术学院 | Portable think of political affairs teaching projection equipment |
| CN207164453U (en) * | 2017-08-18 | 2018-03-30 | 重庆高铁计量检测有限公司 | A kind of portable folding projecting apparatus |
| CN207264089U (en) * | 2017-09-01 | 2018-04-20 | 四川农业大学 | A kind of projecting apparatus |
-
2018
- 2018-04-26 CN CN201810383694.XA patent/CN108535940A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07167382A (en) * | 1993-12-14 | 1995-07-04 | Sony Corp | Ceiling suspension device for equipment |
| CN106247104A (en) * | 2016-08-24 | 2016-12-21 | 合肥凌翔信息科技有限公司 | A kind of six degree of freedom monitor control mechanism |
| CN206639397U (en) * | 2017-03-17 | 2017-11-14 | 四川信息职业技术学院 | Portable think of political affairs teaching projection equipment |
| CN207164453U (en) * | 2017-08-18 | 2018-03-30 | 重庆高铁计量检测有限公司 | A kind of portable folding projecting apparatus |
| CN207264089U (en) * | 2017-09-01 | 2018-04-20 | 四川农业大学 | A kind of projecting apparatus |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180914 |
|
| RJ01 | Rejection of invention patent application after publication |