CN203673680U - Electronic teaching display screen with tilting electric control projection screen - Google Patents
Electronic teaching display screen with tilting electric control projection screen Download PDFInfo
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- CN203673680U CN203673680U CN201420007418.0U CN201420007418U CN203673680U CN 203673680 U CN203673680 U CN 203673680U CN 201420007418 U CN201420007418 U CN 201420007418U CN 203673680 U CN203673680 U CN 203673680U
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- 239000002184 metal Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
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- 230000003028 elevating effect Effects 0.000 abstract 1
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Abstract
The utility model discloses an electronic teaching display screen with a tilting electric control projection screen. The electronic teaching display screen comprises an electronic display screen, an ARM processor, a crystal oscillator module, a USB interface and an electric control projection screen. The electric control projection screen comprises a left support, a right support, a winding shaft rotatably arranged between the left support and the right support, a screen which is arranged on the winding shaft in a winding mode and a driving motor which is cooperated with the winding shaft in a transmission mode. The ARM processor is connected with a motor driving module. The motor driving module forms control connection cooperation with the driving motor. An upper end of the electronic display screen is provided with a left support frame and a right support frame which are correspondingly supported with the left support and the right support respectively. The left support is rotatably arranged on the left support frame through a vertical overturning shaft and the right support is movably supported and arranged on the right support frame. The electronic teaching display screen of the utility model has the advantage that elevating operation does not need to be frequently performed on the projection screen during teaching, which is good for increasing teaching quality.
Description
Technical field
The utility model relates to a kind of electronic teaching instrument, specifically refers to a kind of electronic instruction display screen with convertible automatically controlled projection screen.Background technology
Along with the development of electronic technology and deeply, traditional blackboard is projected instrument gradually and multimedia computer substitutes, although be enhanced in display effect, but, lack the on-the-spot hand-written deduction of teaching board, in teaching efficiency, cannot substitute traditional blackboard completely.
By retrieval, Chinese Patent Application No. is that 200820075663.X discloses a kind of electronic display screen for teaching, and its structure adopts touch-screen to design, can directly write thereon, still, in teaching, in order to make student can obtain better visual effect, its necessity needs large-sized touch-screen, but, at electronic applications, large-sized touch-screen cost is very expensive, therefore, the electronic type teaching display screen price of this quasi-tradition is high, is difficult to apply.
For this reason inventor's earlier application a kind of electronic type teaching display screen (Chinese Patent Application No. is: 201220550378.5) solved preferably the problems referred to above.But, in actual application process, but there is following problem: there have been projector and projection screen in traditional middle and primary schools classroom, installing after electronic type teaching display screen, teacher still wishes to retain traditional projector functions, and the space in middle and primary schools classroom is fixed, and this electronic type teaching display screen is installed, cause the projection screen of projector to be installed nowhere, cause projector normally to use.
For this reason, the inventor has further invented a kind of teaching of the electronic type with projection screen display screen (China Patent No.: 201320148890.1), solved well the problems referred to above.But, still there is following problem in this product: teacher is in the time utilizing display screen to carry out multimedia display in field research, projection screen need to be risen, and while needing projection, need projection screen to fall, but, the lifting of projection screen is generally all consuming time poor, generally all needs the time in tens seconds just can complete lifting action, and this time delay causes the waste of instructional blocks of time, also easily interrupt teaching rhythm, be unfavorable for the raising of quality of instruction simultaneously.
Summary of the invention
The purpose of this utility model is the shortcoming and defect existing in order to overcome prior art, and a kind of reasonable in design is provided, and can realize in the time that teaching is used without the electronic instruction display screen with convertible automatically controlled projection screen that frequently projection screen is carried out descending operation and projection screen convenient operation and control.
For achieving the above object, the technical solution of the utility model is to include following assembly:
Electronic display;
Arm processor, this arm processor is connected with USB control module and video driving module, and described electronic display is connected with video driving module,
Crystal oscillator module, is connected in ARM process chip, for clock signal is provided;
USB interface, is connected in the USB control module of arm processor, for connecting USB peripheral hardware;
On described arm processor, be connected with HDMI control module, in this HDMI control module, be provided with HDMI interface, this HDMI interface is used for connecting panel computer;
On described arm processor, be connected with SDRAM storer, the temporary and buffer memory for data;
On described arm processor, be connected with FLASH storer, store for the steering order of arm processor;
Also include automatically controlled projection screen, this automatically controlled projection screen includes left socle, right support, rotation is arranged between left socle and right support around spool, be arranged at the curtain on spool around volume, and with the drive motor coordinating around spool transmission, on described arm processor, be connected with motor drive module, this motor drive module coordinates with drive motor control linkage, the upper end of described electronic display is provided with respectively left support frame and the right support frame with left socle and the corresponding support of right support, described left socle is rotated and is arranged on left support frame by a longitudinal trip shaft, described right support movable supporting is arranged on right support frame.
By this setting, projection screen upset is arranged on the bracing frame of upper end of electronic display, teacher is in the time of teaching, need to switch between projection screen and electronic display time, without lifting curtain continually, only need to turn whole projection screen, convenient to operation, consuming time short, save instructional blocks of time, contribute to improve the quality of teaching.In addition, the utility model projection screen adopts drive motor and in conjunction with arm processor control, has advantages of that manipulation is convenient, flexible.
Further arrange is in the upper surface of described left support frame, to arrange and longitudinal axis hole of trip shaft rotation inserting, in the sidewall of described left support frame, be provided with horizontal thread hole inner and that longitudinally axis hole communicates, in this horizontal thread hole, be provided with dog screw inner and trip shaft press fit.By this setting, utilize this fastening bolt to carry out flexible positioning to the flip angle of projection screen, to meet actual needs.
Further arranging is to be fixedly installed ferromagnetic metal base plate on the lower surface of described right support, and the upper surface of described right support frame is provided with stainless steel base plate Magnetic Phase inhales the magnetic fixed head coordinating.By this setting, utilize the fixing principle of magnetic, the right support frame of the right support of projection screen and electronic display is fixed, stability maintenance is good, and need to overturn projection screen time, only needs firmly one draw, and can realize the two and depart from, easy to operate convenient.
Further arranging is that the bottom of described curtain is fixedly installed magnetic pasting board, and the bottom of described electronic display is provided with the ferromagnetic metal underframe corresponding with magnetic pasting board.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 the utility model embodiment structural representation;
Fig. 2 the utility model embodiment partial structurtes exploded view;
The theory diagram of Fig. 3 the utility model embodiment.
Embodiment
Below by embodiment, the utility model is specifically described, only for the utility model is further described, can not be interpreted as the restriction to the utility model protection domain.
Embodiment of the present utility model as Figure 1-3, embodiment of the present utility model as Figure 1-3 includes electronic type display screen, and this electronic display comprises following assembly:
Electronic display 1; This electronic display of the present embodiment is preferably LED display, and cost is lower, technology maturation, and display effect is good;
Arm processor 2, this arm processor is connected with USB control module and video driving module, described electronic display is connected with video driving module, the present embodiment adopts arm processor to carry out integrated setting, arm processor is a kind of microprocessor, have that volume is little, low-power consumption, low cost and high performance advantage, support Thumb(16 position simultaneously)/ARM(32 position) two instruction set, can well compatible 8/16 devices.
On described arm processor, be connected with HDMI control module 5, in this HDMI control module, be provided with HDMI interface, this HDMI interface is used for connecting panel computer; By this setting, be connected with very ripe in the market panel computer, carry out picture synchronization, therefore, can be synchronized in electronic display by the writing process on panel computer, student can understand the hand-written deduction of teaching board intuitively, improves the quality of teaching.
On arm processor described in the present embodiment, be connected with SDRAM storer 6, the temporary and buffer memory for data; On described arm processor, be connected with FLASH storer 7, store for the steering order of arm processor.
The above-mentioned each electron device of the present embodiment is all installed in the bonnet at electronic display 1 back.
In addition, the present embodiment in addition, the present embodiment also includes automatically controlled projection screen 8, this automatically controlled projection screen 8 includes left socle 81, right support 82, rotation is arranged between left socle 81 and right support 82 around spool 83, be arranged at the curtain 84 on spool around volume, and with the drive motor 85 coordinating around spool transmission, on described arm processor, be connected with motor drive module, this motor drive module coordinates with drive motor 85 control linkages, this motor drive module of the present embodiment directly adopts commercially available DC motor driver, the upper end of the electronic display 1 described in the present embodiment is provided with respectively left support frame 11 and the right support frame 12 with left socle 81 and right support 82 corresponding supports, described left socle 81 is rotated and is arranged on left support frame 11 by a longitudinal trip shaft, described right support 82 movable supporting are arranged on right support frame 12.In addition, the longitudinal axis hole 111 that rotates inserting with trip shaft is set in the upper surface of the left support frame 11 described in the present embodiment, in the sidewall of described left support frame 11, be provided with horizontal thread hole inner and that longitudinally axis hole communicates, in this horizontal thread hole, be provided with fastening bolt 112 inner and trip shaft press fit, in addition, on the lower surface of the present embodiment right support 82, be fixedly installed ferromagnetic metal base plate 821, the upper surface of described right support frame 12 is provided with stainless steel base plate Magnetic Phase inhales the magnetic fixed head 121 coordinating.
In addition, the bottom of the curtain 84 described in the present embodiment is fixedly installed magnetic pasting board 841, and the bottom of described electronic display 1 is provided with the ferromagnetic metal underframe 13 corresponding with magnetic pasting board, and this ferromagnetic metal underframe 11 is preferably stainless steel underframe.
Claims (4)
1. with an electronic instruction display screen for convertible automatically controlled projection screen, this electronic type teaching display screen includes following assembly:
Electronic display;
Arm processor, this arm processor is connected with USB control module and video driving module, and described electronic display is connected with video driving module,
Crystal oscillator module, is connected in ARM process chip, for clock signal is provided;
USB interface, is connected in the USB control module of arm processor, for connecting USB peripheral hardware;
On described arm processor, be connected with HDMI control module, in this HDMI control module, be provided with HDMI interface, this HDMI interface is used for connecting panel computer;
On described arm processor, be connected with SDRAM storer, the temporary and buffer memory for data;
On described arm processor, be connected with FLASH storer, store for the steering order of arm processor;
It is characterized in that: also include automatically controlled projection screen, this automatically controlled projection screen includes left socle, right support, rotation be arranged between left socle and right support around spool, be arranged at the curtain on spool around volume, and with the drive motor coordinating around spool transmission, on described arm processor, be connected with motor drive module, this motor drive module coordinates with drive motor control linkage, the upper end of described electronic display is provided with respectively left support frame and the right support frame with left socle and the corresponding support of right support, described left socle is rotated and is arranged on left support frame by a longitudinal trip shaft, described right support movable supporting is arranged on right support frame.
2. a kind of teaching of the electronic type with convertible automatically controlled projection screen display screen according to claim 1, it is characterized in that: the longitudinal axis hole that rotates inserting with trip shaft is set in the upper surface of described left support frame, in the sidewall of described left support frame, be provided with horizontal thread hole inner and that longitudinally axis hole communicates, in this horizontal thread hole, be provided with dog screw inner and trip shaft press fit.
3. a kind of teaching of the electronic type with convertible automatically controlled projection screen display screen according to claim 1, it is characterized in that: on the lower surface of described right support, be fixedly installed ferromagnetic metal base plate, the upper surface of described right support frame is provided with stainless steel base plate Magnetic Phase inhales the magnetic fixed head coordinating.
4. a kind of teaching of the electronic type with convertible automatically controlled projection screen display screen according to claim 1, it is characterized in that: the bottom of described curtain is fixedly installed magnetic pasting board, the bottom of described electronic display is provided with the ferromagnetic metal underframe corresponding with magnetic pasting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007418.0U CN203673680U (en) | 2014-01-03 | 2014-01-03 | Electronic teaching display screen with tilting electric control projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420007418.0U CN203673680U (en) | 2014-01-03 | 2014-01-03 | Electronic teaching display screen with tilting electric control projection screen |
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| Publication Number | Publication Date |
|---|---|
| CN203673680U true CN203673680U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420007418.0U Expired - Fee Related CN203673680U (en) | 2014-01-03 | 2014-01-03 | Electronic teaching display screen with tilting electric control projection screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128228A (en) * | 2016-08-31 | 2016-11-16 | 李建刚 | A kind of Multifunctional accounting intuitional instruction model system |
| CN110648590A (en) * | 2019-08-19 | 2020-01-03 | 上海聚隆电子科技有限公司 | Method for manufacturing rollable touch screen and laser display all-in-one machine |
-
2014
- 2014-01-03 CN CN201420007418.0U patent/CN203673680U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128228A (en) * | 2016-08-31 | 2016-11-16 | 李建刚 | A kind of Multifunctional accounting intuitional instruction model system |
| CN110648590A (en) * | 2019-08-19 | 2020-01-03 | 上海聚隆电子科技有限公司 | Method for manufacturing rollable touch screen and laser display all-in-one machine |
| CN110648590B (en) * | 2019-08-19 | 2021-12-10 | 上海聚隆电子科技有限公司 | Method for manufacturing rollable touch screen and laser display all-in-one machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20150103 |
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| EXPY | Termination of patent right or utility model |