CN207074338U - Multifunctional projection screen is used in one kind education - Google Patents
Multifunctional projection screen is used in one kind education Download PDFInfo
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- CN207074338U CN207074338U CN201720380601.9U CN201720380601U CN207074338U CN 207074338 U CN207074338 U CN 207074338U CN 201720380601 U CN201720380601 U CN 201720380601U CN 207074338 U CN207074338 U CN 207074338U
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- projection screen
- plate body
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- wireless signal
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Abstract
The utility model discloses a kind of education Multifunctional projection screen, including pedestal, support body, plate body and remote control panel, the impact faces are provided with the support body, the plate body is provided with above the support body, the plate body side is provided with power switch, transmission case is provided with above the plate body, the transmission case inner end bottom surface is provided with electric machine stand, motor is provided with above the electric machine stand, the motor end is provided with rotating shaft, the rotating shaft both sides are provided with limited block, and projection cloth is provided below in the rotating shaft.Beneficial effect is：This projection screen is provided with two layers of projection cloth and plate body, projection cloth can be controlled by wireless signal and lifted, plate body can do blackboard demonstration and use, and by mobile foundation projection screen can be allowed to be free to travel to the position for needing to place, the use function of projection screen is added, it is more convenient to use.
Description
Technical field
Education servicing unit field is the utility model is related to, is specifically related to a kind of education Multifunctional projection screen.
Background technology
Projecting apparatus is also known as projector, be it is a kind of can be by the equipment on image or VIDEO PROJECTION to curtain, can be by not
The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding vision signal.Projecting apparatus extensively should
It is different according to working method for family, office, school and public place of entertainment, there are the different types such as CRT, LCD, DLP, existing rank
Section projecting apparatus is widely used in education, shows knowledge for more lively for students, projecting apparatus is when in use
Generally require it is supporting use projection screen, traditional projection screen is generally required to be fixed on blackboard when in use and used, due to
Blackboard is generally fixed on metope, and projection screen just can not move freely, and function is single, use it is very inconvenient, because
This needs a kind of education to use Multifunctional projection screen.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of education Multifunctional projection screen.
The utility model is achieved through the following technical solutions above-mentioned purpose：
One kind education uses Multifunctional projection screen, including pedestal, support body, plate body and remote control panel, the impact faces to set
The support body is equipped with, is provided with the plate body above the support body, the plate body side is provided with power switch, on the plate body
Face is provided with transmission case, and the transmission case inner end bottom surface is provided with electric machine stand, is provided with above the electric machine stand electronic
Machine, the motor end are provided with rotating shaft, and the rotating shaft both sides are provided with limited block, and projection is provided below in the rotating shaft
Cloth, the base interior are provided with battery, and the battery side is provided with control main frame, is provided with the control main frame
Speed regulator, the speed regulator side are provided with wireless signal receiver, and control button is provided with the remote control panel, described distant
Control panel itself bottom surface is provided with dry cell, and controller is provided with above the dry cell, is provided with the controller wireless
Signal projector.
In said structure, device can be moved to the operating position specified by teacher by the movement pedestal, usually be not required to
When using projection screen, teacher is powered by pressing the power switch by device, described on the remote control panel
Control button sends climb command, and climb command passes to the controller, the control by wire as electronic signals
Climb command is passed to the wireless signal transmitter, the wireless signal transmitter by device by wire as electronic signals
Convert electrical signals to wireless signal and outwardly send, will be wireless after the wireless signal receiver receives wireless signal
Signal is converted to electric signal and passes to the control main frame by wire, and the control main frame is by climb command with electric signal
Form passes to the speed regulator by wire, and the speed regulator passes to climb command by wire as electronic signals
The motor, the motor rotation drive the axis of rotation, and the rotating shaft drives the projection cloth to rotate rising, described
Limited block can prevent projection cloth from being moved left and right during rotation is packed up, and after rising, the plate body is exposed to outside, religion
The plate body can be carried out writing demonstration as blackboard and used by teacher, when needing to use projection screen, by the remote control panel
The control button send decline instruction, decline instruction the controller, institute are passed to by wire as electronic signals
State controller and the wireless signal transmitter, the wireless signal are passed to by wire as electronic signals by instruction is declined
Transmitter converts electrical signals to wireless signal and outwardly sent, after the wireless signal receiver receives wireless signal,
Wireless signal is converted into electric signal and the control main frame is passed to by wire, the control main frame will decline instruction with electricity
The form of signal passes to the speed regulator by wire, and the speed regulator passes through wire as electronic signals by instruction is declined
The motor are passed to, the motor rotation drives the axis of rotation, and the rotating shaft is driven under the projection cloth rotation
Drop, teacher can carry out teaching displaying by by extraneous projection on the projection cloth afterwards.
In order to further improve the use function of Multifunctional projection screen, the support body is welded on the pedestal, described
Plate body is fixed by screws on the support body, and the power switch is fixed on the plate body by neck, the transmission case
It is fixed by screws on the support body.
In order to further improve the use function of Multifunctional projection screen, the electric machine stand is welded on the transmission case
Interior, the motor is bolted on the electric machine stand, and the rotating shaft mechanically connects with the motor, the limit
Position block is fixed in the rotating shaft by neck.
In order to further improve the use function of Multifunctional projection screen, the projection cloth is fixed on described turn by neck
On axle, the battery is fixed in the pedestal by neck, and the control main frame is fixed in the pedestal by neck,
The speed regulator is fixed in the control main frame by neck, and the wireless signal receiver is fixed on the control by neck
On main frame processed.
In order to further improve the use function of Multifunctional projection screen, the control button is embedded in the remote control panel
On, the dry cell is fixed in the remote control panel by neck, and the controller is fixed on the remote control face by neck
On plate, the wireless signal transmitter is fixed on the controller by neck.
It is the control main frame and the speed regulator, described in order to further improve the use function of Multifunctional projection screen
Battery, the motor, the power switch are connected with the wireless signal receiver by wire.
In order to further improve the use function of Multifunctional projection screen, the controller and the dry cell, the control
Button processed is connected with the wireless signal transmitter by wire.
In order to further improve the use function of Multifunctional projection screen, the wireless signal transmitter and the wireless communication
Number receiver is connected by wireless signal.
Beneficial effect is：This projection screen is provided with two layers of projection cloth and plate body, and projection cloth can pass through wireless signal
Control lifting, plate body can do blackboard demonstration and use, and by mobile foundation projection screen can be allowed to be free to travel to needs and put
The position put, the use function of projection screen is added, it is more convenient to use.
Brief description of the drawings
Fig. 1 is a kind of overall diagram of education Multifunctional projection screen of the utility model；
Fig. 2 is a kind of side view of education Multifunctional projection screen of the utility model；
Fig. 3 is a kind of remote control panel exterior view of education Multifunctional projection screen of the utility model；
Fig. 4 is a kind of remote control panel interior view of education Multifunctional projection screen of the utility model.
Description of reference numerals is as follows：
1st, motor；2nd, electric machine stand；3rd, projection cloth；4th, plate body；5th, support body；6th, wireless signal receiver；7th, battery；
8th, control main frame；9th, speed regulator；10th, limited block；11st, rotating shaft；12nd, transmission case；13rd, power switch；14th, remote control panel；15th, control
Button processed；16th, controller；17th, wireless signal transmitter；18th, dry cell.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, Multifunctional projection screen, including pedestal, support body 5, plate body 4 and remote control panel are used in a kind of education
14, impact faces are provided with support body 5, and support body 5 is used for supporting fixed plate body 4, and support body 5 is provided with plate body 4 above, and plate body 4 can be done
Blackboard uses, and the side of plate body 4 is provided with power switch 13, and power switch 13 is used for the energization situation of control device, above plate body 4
Transmission case 12 is provided with, transmission case 12 is used for installing transmission parts, and the inner end bottom surface of transmission case 12 is provided with electric machine stand 2, electricity
Machine support 2 is used for installing fixed motor 1, and electric machine stand 2 is provided with motor 1 above, and it is 3 liters of projection cloth that motor 1, which is used for,
Drop provides power, and the end set of motor 1 has a rotating shaft 11, and rotating shaft 11 is used for projection cloth volume 3 above, and the both sides of rotating shaft 11 are set
Limited location block 10, limited block 10 are used for preventing projection cloth 3 from moving left and right, and projection cloth 3 is provided below in rotating shaft 11, and projection cloth 3 is used
To do projection screen use, base interior is provided with battery 7, and battery 7 is used for providing electric energy for the consuming parts of device, stored
The side of battery 7 is provided with control main frame 8, and control main frame 8 is control centre, and speed regulator 9, speed regulator 9 are provided with control main frame 8
For controlling motor 1, the side of speed regulator 9 is provided with wireless signal receiver 6, and wireless signal receiver 6 is used for receiving wirelessly
Signal, control button 15 is provided with remote control panel 14, and control button 15 is used for sending work order, the inner bottom of remote control panel 14
Face is provided with dry cell 18, and dry cell 18 is used for providing electric energy for the consuming parts of remote control panel 14, and the top of dry cell 18 is set
There is controller 16, controller 16 is the control centre of remote control panel 14, and wireless signal transmitter 17, nothing are provided with controller 16
Line signal projector 17 is used for launching wireless signal.
In said structure, device can be moved to the operating position specified by teacher by mobile foundation, need not usually use
During to projection screen, teacher allows device to be powered by pressing power switch 13, is sent out by the control button 15 on remote control panel 14
Send climb command, climb command passes to controller 16 by wire as electronic signals, controller 16 by climb command with
The form of electric signal passes to wireless signal transmitter 17 by wire, and wireless signal transmitter 17 converts electrical signals to wirelessly
Signal is simultaneously outwardly sent, and after wireless signal receiver 6 receives wireless signal, wireless signal is converted into electric signal and passed through
Wire passes to control main frame 8, and climb command is passed to speed regulator 9 by control main frame 8 by wire as electronic signals, adjusts
Climb command is passed to motor 1 by fast device 9 by wire as electronic signals, and the rotational band turn axle 11 of motor 1 rotates,
Rotating shaft 11 drives projection cloth 3 to rotate rising, and limited block 10 can prevent projection cloth 3 from being moved left and right during rotation is packed up, on
After rising, plate body 4 be exposed to outside, and plate body 4 can be carried out writing demonstration use by teacher as blackboard, when needing to use projection screen
During curtain, sent by the control button 15 on remote control panel 14 and decline instruction, declined instruction and pass through wire as electronic signals
Controller 16 is passed to, controller 16 passes to wireless signal transmitter by wire as electronic signals by instruction is declined
17, wireless signal transmitter 17 converts electrical signals to wireless signal and outwardly sent, and wireless signal receiver 6 receives nothing
After line signal, wireless signal is converted into electric signal and control main frame 8 is passed to by wire, control main frame 8, which will decline, to be instructed
Speed regulator 9 is passed to by wire as electronic signals, speed regulator 9 is passed by wire as electronic signals by instruction is declined
Motor 1 are passed, the rotational band turn axle 11 of motor 1 rotates, and rotating shaft 11 drives projection cloth 3 to rotate decline, afterwards teacher Ke Tong
Cross and extraneous projection is subjected to teaching displaying on projection cloth 3.
In order to further improve the use function of Multifunctional projection screen, support body 5 is welded on pedestal, and plate body 4 passes through spiral shell
Nail is fixed on support body 5, and power switch 13 is fixed on plate body 4 by neck, and transmission case 12 is fixed by screws in support body 5
On, electric machine stand 2 is welded in transmission case 12, and motor 1 is bolted on electric machine stand 2, rotating shaft 11 and motor 1
Mechanically connect, limited block 10 is fixed in rotating shaft 11 by neck, and projection cloth 3 is fixed in rotating shaft 11 by neck, battery 7
It is fixed on by neck in pedestal, control main frame 8 is fixed in pedestal by neck, and speed regulator 9 is fixed on control by neck
On main frame 8, wireless signal receiver 6 is fixed in control main frame 8 by neck, and control button 15 is embedded in remote control panel 14
On, dry cell 18 is fixed in remote control panel 14 by neck, and controller 16 is fixed on remote control panel 14 by neck, wirelessly
Signal projector 17 is fixed on controller 16 by neck, control main frame 8 and speed regulator 9, battery 7, motor 1, power supply
Switch 13 is connected with wireless signal receiver 6 by wire, and controller 16 is sent out with dry cell 18, control button 15 and wireless signal
Emitter 17 is connected by wire, and wireless signal transmitter 17 is connected with wireless signal receiver 6 by wireless signal.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the utility model is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification is originally
The principle of utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model also has various change
And improvement, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model requires protection scope
Defined by appended claims and its effect thing.
Claims (7)
1. Multifunctional projection screen is used in one kind education, it is characterised in that：Including pedestal, support body, plate body and remote control panel, the base
Seat is provided with the support body above, the plate body is provided with above the support body, the plate body side is provided with power switch, institute
State and transmission case is provided with above plate body, the transmission case inner end bottom surface is provided with electric machine stand, is set above the electric machine stand
Motor is equipped with, the motor end is provided with rotating shaft, and the rotating shaft both sides are provided with limited block, and the rotating shaft is provided below
There is a projection cloth, the base interior is provided with battery, and the battery side is provided with control main frame, in the control main frame
Speed regulator is provided with, the speed regulator side is provided with wireless signal receiver, control button is provided with the remote control panel,
The remote control panel inner bottom surface is provided with dry cell, is provided with controller above the dry cell, is set on the controller
There is wireless signal transmitter.
2. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The support body is welded on institute
State on pedestal, the plate body is fixed by screws on the support body, and the power switch is fixed on the plate body by neck
On, the transmission case is fixed by screws on the support body.
3. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The electric machine stand welding
In the transmission case, the motor is bolted on the electric machine stand, the rotating shaft and the motor machine
Tool is connected, and the limited block is fixed in the rotating shaft by neck.
4. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The projection cloth passes through card
Groove is fixed in the rotating shaft, and the battery is fixed in the pedestal by neck, and the control main frame is consolidated by neck
It is scheduled in the pedestal, the speed regulator is fixed in the control main frame by neck, and the wireless signal receiver passes through
Neck is fixed in the control main frame.
5. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The control button embeds
On the remote control panel, the dry cell is fixed in the remote control panel by neck, and the controller is consolidated by neck
It is scheduled on the remote control panel, the wireless signal transmitter is fixed on the controller by neck.
6. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The control main frame and institute
Speed regulator, the battery, the motor, the power switch is stated to connect by wire with the wireless signal receiver.
7. Multifunctional projection screen is used in a kind of education according to claim 1, it is characterised in that：The controller with it is described
Dry cell, the control button are connected with the wireless signal transmitter by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380601.9U CN207074338U (en) | 2017-04-12 | 2017-04-12 | Multifunctional projection screen is used in one kind education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720380601.9U CN207074338U (en) | 2017-04-12 | 2017-04-12 | Multifunctional projection screen is used in one kind education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074338U true CN207074338U (en) | 2018-03-06 |
Family
ID=61512469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720380601.9U Expired - Fee Related CN207074338U (en) | 2017-04-12 | 2017-04-12 | Multifunctional projection screen is used in one kind education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397939A (en) * | 2018-11-09 | 2019-03-01 | 孙广英 | Campus culture educational propaganda device |
| CN113109987A (en) * | 2021-05-17 | 2021-07-13 | 青岛海信激光显示股份有限公司 | Laser projection equipment, liftable screen and laser television |
-
2017
- 2017-04-12 CN CN201720380601.9U patent/CN207074338U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109397939A (en) * | 2018-11-09 | 2019-03-01 | 孙广英 | Campus culture educational propaganda device |
| CN113109987A (en) * | 2021-05-17 | 2021-07-13 | 青岛海信激光显示股份有限公司 | Laser projection equipment, liftable screen and laser television |
| CN113109987B (en) * | 2021-05-17 | 2022-09-23 | 青岛海信激光显示股份有限公司 | Laser projection equipment, liftable screen and laser television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20190412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |