CN105608933A

CN105608933A - Portable video display platform for teaching

Info

Publication number: CN105608933A
Application number: CN201510851172.4A
Authority: CN
Inventors: 秦殿平
Original assignee: SICHUAN DONGSHAN TEACHING AID CO Ltd
Current assignee: SICHUAN DONGSHAN TEACHING AID CO Ltd
Priority date: 2015-11-30
Filing date: 2015-11-30
Publication date: 2016-05-25

Abstract

The invention discloses a portable video display platform for teaching. The portable video display platform for teaching comprises a base provided with a backlight board; the base is provided with an LCD video monitor and a console with a built-in rechargeable power source; the LCD video monitor is connected with the console; a table lamp neck which can be rotated and bent is fixed onto the console; a handpiece is fixed onto the table lamp neck through a bracket; an end portion of the handpiece is provided with a CMOS camera lens; and two sides of the console are provided with light supplementing lamps with table lamp necks. According to the portable video display platform for teaching of the invention, the table lamp necks are adopted, and the table lamp necks are utilized to replace complex mechanical structures to achieve stretching and contraction, and therefore, the structure of the portable video display platform for teaching of the invention is simpler compared with other similar products; and the portable video display platform for teaching of the invention is provided with the built-in rechargeable power source, and therefore, in teaching, very long lines are not required, and therefore, the use of the platform in teaching can be greatly facilitated.

Description

Teaching Portable video display stand

Technical field

The invention belongs to teaching equipment technical field, relate in particular to a kind of video showing platform.

Background technology

Scanner is in the market pressed the difference of photo-electric conversion element, is generally CCDChargeCoupledDevice, photoelectricity coupling inductor scanner. It is upper to CCD by lens focus, converts optical signal to signal of telecommunication imaging, and the latter is close to scanning contribution surface and carries out the scanning of contact. Ccd scanner to the upper direct exposure of CCD, can carry out material object scanning by lens focus very easily. In scanner, sensor devices CCD is a kind of technology of comparative maturity, and its cost is lower, and image quality is but more and more higher, and some even can compare favourably with the photomultiplier that uses in drum scanning instrument, has high cost performance. Adopt the CCD of silicon single crystal technology lower to the requirement of ambient temperature, the scope of adaptation is wider. Along with the development of technology, on market, also there is at present a kind of video presenter, video presenter claims again article showing platform, when it is connected on projector and television set, just data, teaching materials, material object, lantern slide etc. clearly can be displayed, be one of indispensable teaching equipment of multi-media classroom. The video showing platform that one Daepori is logical comprises three parts: camera, light source and table top, also have a series of interfaces at the show stand back side, and some show stands towards high-end market also comprise the annexes such as infrared remote controller, computer picture capture adapter, LCD monitor. Video showing platform can be applied in each course teaching: literal arts class can be various resources material, and the various books space of a whole page is used in teaching, is directly placed in show stand table top, and by the application of light, the adjustment of enlarging function, just can clearly show; Chemistry, physics subject can directly carry out some experiments on show stand, allow each student's clear view; Biological, medical science subject can be observed enlarged image in kind by the adapted of show stand camera lens (microscope is first-class). Support the use with output, input equipments such as multimedia projector, large screen back projection TV, general television set, LCD monitor, video recorder, VCD, DVD player, microphones, video showing platform has purposes widely in information technology teaching again. Teacher only need drag document left and right just can conveniently to carry out document displaying with hand up and down. But existing video showing platform inconvenient operation, the horizontal strut part of chain-drive section is easily sagging or upwarp, and structure is still comparatively complicated.

Summary of the invention

In view of the above-mentioned problems in the prior art, main purpose of the present invention is to address the deficiencies of the prior art, and carries Portable video display stand for teaching, and it is simple in structure, easy to use, and has better imaging effect.

The technical solution used in the present invention is as follows:

Teaching Portable video display stand, comprises the base with backlight, and base is provided with LCD video monitor instrument and is built-in with the console of rechargable power supplies, and LCD video monitor instrument is connected with console; On console, be fixed with can torsional bending desk lamp neck, desk lamp neck is fixed with head by support, the end of head is provided with CMOS camera lens; The both sides of console are also provided with the light compensating lamp with desk lamp neck.

Further, console is provided with front panel, and front panel is provided with power button and at least one function key.

Further, under use state, the CMOS camera lens of head end is towards backlight.

Further, the weight of base is greater than the weight sum of head and light compensating lamp.

Further, the bottommost of base is provided with for anti-skidding non-slipping block.

In sum, compared with prior art, the invention has the beneficial effects as follows:

The present invention has adopted desk lamp neck, has replaced complicated frame for movement to reach flexible object with desk lamp neck, makes the present invention more simple than other like product structures; The employing of CMOS camera lens, in ensureing that the present invention has had good imaging effect, has also reduced power consumption, and very power saving can extend service time of internal battery; And the present invention also built-in rechargable power supplies, in when teaching, just need not connect very long line, this is very easy to the use of teaching.

Brief description of the drawings

Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:

Fig. 1 is structural representation of the present invention.

Detailed description of the invention

Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.

As shown in Figure 1: the teaching Portable video display stand of the present embodiment, comprise the base 1 with backlight 2, base 1 is provided with LCD video monitor instrument 12 and is built-in with the console 3 of rechargable power supplies, LCD video monitor instrument 12 is arranged at a side of console 3, and LCD video monitor instrument 12 is connected with console 3; Console 3 is provided with front panel and rear board, and front panel is provided with power button 10 and at least one function key 11(for control operation, as the work of CMOS camera lens 6), the both sides of front panel are also provided with USB interface 9; On rear board, be also provided with the power interface for charging; On console 3, be fixed with can torsional bending desk lamp neck 4, desk lamp neck 4 is fixed with head 5 by support 8, under use state, the CMOS camera lens 6 of head 5 ends is towards backlight 2, CMOS camera lens is parallel with backlight 2; The end of head 5 is provided with CMOS camera lens 6; The both sides of console 3 are also provided with the light compensating lamp 7 with desk lamp neck 4, and what in the present embodiment, adopt is LED light compensating lamp, and it has optical efficiency high-low voltage, volume is little, the life-span is long, fast response time, shock resistance are strong, the characteristics such as energy-saving and environmental protection; Can more firmly place in order to make this device, in the present embodiment, in base 1, add counterweight iron block, made the weight of base 1 be greater than the weight sum of head 5 and light compensating lamp 7, simultaneously, be provided with for anti-skidding non-slipping block at the bottommost of base 1 again, this non-slipping block adopts the rubber blanket with fold.

More high-end equipment, can adopt CCD camera lens, CCD it use a kind of semi-conducting material of ISO to make, light can be transformed into electric charge, convert data signal to by analog-digital converter chip, data signal is preserved by flash memory or the built-in hard disk card of camera inside after overcompression, thereby can give computer transfer of data easily, and by means of the processing means of computer, revise image with imagination as required. CCD is made up of many sensitization units, conventionally taking mega pixel as unit. In the time that CCD surface is subject to light irradiation, each sensitization unit can be reflected in electric charge on assembly, and the signal that all sensitization units produce is added together, and has just formed a complete picture.

Than CCD camera lens, it is exactly very power saving that the CMOS camera lens that the present invention adopts is compared the topmost advantage of CCD camera lens. Cmos circuit does not almost have static electric quantity consumption, only in the time that circuit is connected, just has the consumption of electric weight. This just makes the power consumption of CMOS only have 1/3 left and right of common CCD. CMOS subject matter is in the time processing fast-changing image at present, and because curent change is too frequent and overheated, it is little with regard to problem that dark current (seeing the rear annotation of literary composition) suppresses well, if suppress to obtain the bad point of mixing that just easily occurs. The view data scan method of CMOS and CCD has very large difference. The for example resolution ratio of a digital camera is 3,000,000 pixels, and ccd sensor is 3,000,000 electric charges of continuous sweep so, and in the end an electric charge could amplify signal after having scanned. And each pixel of cmos sensor has an amplifier that electric charge is converted into electronic signal. Therefore, cmos sensor can carry out signal amplification in each pixel basis, adopts and can carry out in this way rapid data scanning.

LCD video monitor instrument tool has the following advantages: resolution ratio is higher, and display quality is higher, and power consumption is low, there is no electromagnetic radiation, and effective area reaches, and range of application is also wider.

Can find out from such scheme, the present invention has adopted desk lamp neck, has replaced complicated frame for movement to reach flexible object with desk lamp neck, makes the present invention more simple than other like product structures; And the present invention also built-in rechargable power supplies, in when teaching, just need not connect very long line, this is very easy to the use of teaching.

Description of the invention and application are illustrative, not want scope of the present invention to limit in the above-described embodiments. Here the distortion of disclosed embodiment and change is possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are known. Those skilled in the art are noted that in the situation that not departing from spirit of the present invention or substantive characteristics, and the present invention can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.

Claims

1. teaching Portable video display stand, it is characterized in that, comprise the base (1) with backlight (2), base (1) is provided with LCD video monitor instrument (12) and is built-in with the console (3) of rechargable power supplies, and LCD video monitor instrument (12) is connected with console (3); On console (3), be fixed with can torsional bending desk lamp neck (4), desk lamp neck (4) is fixed with head (5) by support (8), the end of head (5) is provided with CMOS camera lens (6); The both sides of console (3) are also provided with the light compensating lamp (7) with desk lamp neck (4).

2. teaching Portable video display stand as claimed in claim 1, is characterized in that, console (3) is provided with front panel, and front panel is provided with power button (10) and at least one function key (11).

3. teaching Portable video display stand as claimed in claim 1, is characterized in that, under use state, the CMOS camera lens (6) of head (5) end is towards backlight (2).

4. teaching Portable video display stand as claimed in claim 1, is characterized in that, the weight of base (1) is greater than the weight sum of head (5) and light compensating lamp (7).

5. teaching Portable video display stand as claimed in claim 1, is characterized in that, the bottommost of base (1) is provided with for anti-skidding non-slipping block.