With the development of science and technology and the Internet, intelligence and information are constantly affecting every aspect of our lives, and qualitative changes have also taken place in the field of education. Basic education is mainly reflected in the use of interactive teaching tools in classroom teaching, in which e-learning content and learning platform construction under the class learning, security class and consumer and other educational peripheral information intensified.
In the classroom teaching, teacher-student interaction, exercice drills, analysis and evaluation, and targeted teaching show a trend of intelligent development. Through more interaction, classroom teaching timely feedback and real-time communication, resulting materials and data Individual assessments can be more effective and have a higher guiding significance for extracurricular education.
At present, the electronic whiteboard is the mainstream product of domestic smart terminals for classroom teaching, and its technical level and demand growth are clearly in the stage of market maturity and boom. More and more intelligent terminal hardware products such as electronic whiteboards, tablet computers, projectors, and recording and broadcasting systems are used in classroom teaching scenarios. The application of educational information to smart terminal hardware is increasingly diversified and integrated. The company has a multi-service product line and has established an integrated smart terminal system under education scenarios.
On December 21, 2016, Changhong, the domestic home appliance giant, officially announced in Beijing the CHiQ laser cinema with the world's first super-efficient telecentric laser machine and flexible Fresnel optical screen, including home positioning and a 100-inch flexible Fresnel optical screen. The C5 model is priced at CNY 49,999; the P5 model with 120-inch wide-angle eye protection screens for commercial and educational fields is priced at 29,999 yuan. Accelerate the popularity of laser cinemas in the big screen market.
It is understood that laser cinemas have great advantages over ordinary projection and large-screen LCD TVs, with long life, good experience, and low prices. The laser display is a flexible display, in contrast to the reflected light is naturally soft, greener and protects the eyes. In many modern families, parents are often very worried about their children's vision problems, and the Changhong CHiQ laser theater has been able to achieve the maximum improvement. In theory, watching TV at the same time, Changhong CHiQ laser theater has the least damage to eyesight, and the eyes are not easy to dry and fatigue.
As we all know, laser theater is mainly composed of laser light machine and screen. The Changhong P5 commercial and educational laser theater is equipped with a more efficient laser light machine and uses a dynamic elimination of speckle technology and a telecentric light path system to achieve a major breakthrough in overall performance. Subvert the industry's existing blue laser-excited phosphor technology solutions, first proposed an integrated single-axis dual-wheel color system technology program, through the remote rotation of the fluorescent devices and filter devices, to achieve the same blue light and yellow-green light path technology, great The problem is that the size of the light engine increases due to the optical path turning of the transflective fluorescent wheel is reduced, and the problem of the unsynchronized color system introduced in the double-wheel rotation is solved; the ultrashort-distance Galileo optical telephoto system, the wide-angle laser are innovated. The light-harvesting technology and high-integration light-sharing and light-sharing technology have formed a great lead in technology, greatly simplifying the optical path, effectively improving optical efficiency, and reducing power consumption.
The Fresnel optical screen has a high-grade appearance, high brightness, high contrast in the room, and high color reproduction, making it an excellent partner for laser cinemas. However, the current mainstream 100-inch Fresnel screen packaging size, enter the elevator into the home difficult. In response to this problem, Changhong has taken the lead in the development of a flexible, curlable Fresnel screen in the industry, and successfully implemented home Fresnel by innovating the Fresnel U-shaped flexible crimp technology and the application of ultra-wide-width, low-creep, dielectric materials. The small size, high brightness and ultra flatness of the optical screen make the 100-inch Fresnel optical screen easily accessible.
In addition to establishing a large-scale infrastructure, educational informationization, software support such as teaching management system, content digitization, and individual education evaluation system acquire a large number of teaching and learning behavior data of teachers and students in the teaching process to promote education fairness and learning efficiency. The improvement. On January 15, 2017, Sichuan Changhong Education Technology Co., Ltd., Beijing Zhongqing Modern Technology Co., Ltd. and Zhejiang Jiuliang Education Technology Co., Ltd. signed a strategic cooperation agreement. The three giants of the education equipment industry will combine strengths and resources to complement each other's strengths. They will make in-depth cooperation in technology, resources, capital, and services to jointly build ecological future classrooms and provide “products + solutions + funds + services for governments and schools. "One-stop teaching service platform opens a new chapter in China's education informatization reform.
Today, Xiao Bian has the privilege of getting the P5 type commercial and educational “big head†for the first time. Take a look at the effect of its actual use in the general home environment, followed by Xiao Bian one by one "unveiled" it.
Appearance articles: Xiuwai Huizhong, steady but without losing high-end Changhong P5 commercial, educational laser theater light machine body as a whole adopt milky white design, the positive center is marked with changhong red LOGO, so that the overall look of technology is full. The whole body adopts frosted processing technology. The well-structured quadrilateral structure and Xiuwai Huizhong appear to be stable and high-end.
Although targeting commercial and educational fields, the Changhong P5 laser cinema is very "hard to use" in hardware configuration. It uses global high-quality materials and original ultra-high-efficiency optical engines to introduce and introduce nano-scale metal coatings on optical systems for the first time. Material, imported Japanese Seiko high-performance ultra-short focal-inverse lens, built-in electric focus function, to break the projector's distance limit, 0.233 projection ratio, projection 100-inch large screen just 50CM, you can easily achieve 70 -150-inch precision focusing. It avoids the problems of ordinary projector fiber such as glare and shadow interference. The speaker is no longer subject to glare projection light interference and leads the industry in terms of focusing, sharpness, uniformity and convenience.
This machine also uses DLP digital optical imaging technology from TI of the United States. The imaging has spatial characteristics, strong image layering, good depth of field effect, and more true restoration of the cinematic quality; imported Nichia laser light source, high brightness, and a long service life of 25,000. Hours, good monochromaticity. The color saturation and brightness attenuation throughout the life cycle is very small, eliminating the expense of maintenance during the period. As we all know, the laser light source is naturally stable, the image is filtered and reflected into the eyes through the secondary filtering, and the eye is more gentle; and without electromagnetic radiation, it is also more environmentally friendly and natural. This technology makes the picture quality of the machine unaffected by the use of ambient light, whether it is in a bright environment or an ordinary home living room environment.
Changhong P5 laser cinema rich interface resources become a major highlight, with two sets of HDMI (2.0) high-definition interface, USB, RJ45 network interface, VGR interface analog audio, digital audio interface everything, RS-232 interface, the current mainstream serial communications With the application of the interface, all external devices can be controlled more conveniently through the intelligently controlled host, which makes the transmission of files faster and more secure, and can fully meet the needs of general commercial or educational use.
Changhong P5 laser cinema's remote control uses a black design, bright matte technology, so that the remote control looks stable without losing the fashion sense. 360-degree no-corner operation, able to lie, 3D three-dimensional keys, better touch, user-friendly design of the body, more comfortable in operation. It also has a variety of intelligent functions such as one-touch direct access, voice, and so on.
Use: Multi-mode focusing, convenient and efficient to open Changhong P5 laser cinema, because the use of laser light source does not require preheating, that is, open and close, extremely off, more convenient and efficient in use. With a brightness of 3,500 lumens, this machine allows students to see clear images even in bright classroom environments. Due to the higher color purity of the laser light source and the wide range of color gamuts, in general, more than 90% of the human eye can recognize colors, thus enabling more colorful images and images.
Through simple steps such as network settings, you can quickly enter the UI main interface, Changhong P5 laser cinema main interface is very simple and clear. There are settings, memory optimization, program source, message center, TV manager, personalization, media center, multi-screen interaction, camera, application lock, display settings, and WPS projection treasure. Among them, the media center, multi-screen interaction, WPS projection treasure, etc. have unique highlights in commercial and educational applications.
In the settings, we can see the voice settings, network and Bluetooth settings, system settings, and display settings. It can be seen that the Changhong P5 laser theater can be linked through a variety of ways such as the Internet and Bluetooth. This is very important for a commercial and educational laser theater. Due to the particularity of the use environment, especially the wireless network and the Bluetooth linking method, the trouble of wiring can be effectively avoided and the use is more convenient.
In terms of display settings, it includes display methods, screen ratios, image correction, electric focusing, and reset. As an outstanding commercial and educational laser theater product, ultra-short-focus display, easy-to-focus, high-brightness display, and versatile unlimited installation are important factors. Changhong P5 laser cinema shows its advantages through various applications of its display setting function.
In the display mode setting, Changhong P5 laser cinema can have multiple options such as front desk, rear desk, front hoisting, and rear hoisting. It can be easily set whether it is standing on the desktop or hanging in the air. With a projection ratio of 0.233, it is easy to project 100 inches with just 50CM, subverting the problem of the distance limitations of projectors in the past. This machine has full screen, 16:9, 4:3 and other display ratios on the screen aspect ratio. Whether it is playing video or displaying pictures or files, it can achieve the best display effect.
As we all know, the convenience and quality of the debugging of the laser cinema has a great influence on the presentation of the content. Changhong P5 laser theater trapezoidal image correction technology, through a simple ladder data increase or decrease, you can make the display image on the big screen to achieve a perfect position to show. In addition, the left and right electric focus adjustment function further optimizes the effect of trapezoidal correction.
Changhong P5 laser theater can set and change the theme according to the user's own personal preferences, through the TV butler function, system optimization and system garbage disposal. Easily uninstall or install application software. With the permission management settings, cameras, wireless microphones and other devices can be connected at any time, which is very convenient and practical.
Intelligent articles: multi-screen interaction, making teaching more vivid, business easier Changhong P5 laser cinema equipped with two sets of HDMI (2.0) high-definition interface on the interface, USB, RJ45 network interface, VGR interface analog audio, digital audio interface, RS - 232 interface, etc., everything, can fully meet the needs of general commercial or teaching use. Its built-in 64-bit Cortex A 53 CPU/4G large memory, equipped with Android smart system, can achieve intelligent multi-screen interaction and sharing, but also unlimited installation of various applications, making teaching or business activities easier and more convenient.
Changhong P5 laser cinema supports various picture formats, office document formats and video formats. Through the USB port, you can directly connect the video, pictures, documents, music, PPT, etc. in the storage device such as a mobile hard disk or U disk to the host of Changhong P5 laser cinema to read it, and you can instantly project it onto the Baihe screen. Through the remote control, it can be operated from a long distance, aiming at many aspects such as lectures, presentations, etc. It is easy to operate and the effect is perfect.
Changhong P5 is also a super-smart laser theater product. Multi-screen interaction and sharing functions become one of its more important highlights. Through the wireless network connection, the mobile phone and the Changhong P5 laser cinema are in the same wireless local area network state. Whether it is an Android mobile phone user or an iOS mobile phone user, it is possible to interact with the Changhong P5 laser cinema with multiple screens, and the mobile phone will Video, music, pictures, and other buttons are pushed to the TV.
As a laser cinema product for commercial and educational purposes, WPS and other document demonstrations are the most commonly used and very important tools. Changhong P5 laser cinema's unique WPS projection treasure section, with smart multi-screen interactive features, can be easily achieved, so that the classroom has become more vivid, make business easier.
Just download the WPS office on the mobile phone and open the WPS office to scan the QR code on the TV with the WeChat to make the DOC, PPT, XLS, PDF, TXT and other document formats on the mobile phone one second in a single key. Go to the big screen on the TV. It's that simple, convenient and efficient.
Evaluation summary:
Changhong P5 laser theater has made great innovations in the laser machine technology. It has features such as high efficiency and low energy consumption. The laser flexible display makes the reflected light more integrated and more eye-protecting. Whether it is reading or watching videos, the eyes are not easy to see. Dry and fatigued. Imported Japanese-style Seiko high-performance ultra-short focal-inverse lens, built-in electric focus function, to break the projector's distance limit, 0.233 projection ratio, projection 100-inch large screen just 50CM, you can easily achieve 70-150 Inch precision focus. The brightness of 3,500 lumens can be clearly viewed even in a bright environment. Its rich interface resources, with intelligent multi-screen interaction and sharing, make the operation more convenient and the effect is better. In addition, this machine also supports a variety of projection methods, multi-mode focusing means, but also more convenient for daily use. Changhong also specially configured 120-inch wide-angle eye protection screen for this machine, priced at only 29,999 yuan, with a high price, will accelerate the popularity of laser theater in the large-screen market.
advantage:
1, ultra-short-focus, multi-mode projection mode, bringing more convenient and more clear use of results.
2. Compared with ordinary projection and large-screen LCD TVs, laser cinemas have the advantages of long life, good experience, and low price.
3, laser flexible display makes the reflected light more integrated, but also more eye protection.
4, rich interface resources, smart multi-screen interaction, sharing features, make teaching more vivid, business easier.
5, unique WPS projection treasure function, make teaching and business activities more convenient and practical.
6, configuration 120-inch wide-angle eye screen, 29999 yuan price, with high cost performance.
Disadvantages:
1, compared to home products, smart features can be more abundant.
At present, the electronic whiteboard is the mainstream product of domestic smart terminals for classroom teaching, and its technical level and demand growth are clearly in the stage of market maturity and boom. More and more intelligent terminal hardware products such as electronic whiteboards, tablet computers, projectors, and recording and broadcasting systems are used in classroom teaching scenarios. The application of educational information to smart terminal hardware is increasingly diversified and integrated. The company has a multi-service product line and has established an integrated smart terminal system under education scenarios.
It is understood that laser cinemas have great advantages over ordinary projection and large-screen LCD TVs, with long life, good experience, and low prices. The laser display is a flexible display, in contrast to the reflected light is naturally soft, greener and protects the eyes. In many modern families, parents are often very worried about their children's vision problems, and the Changhong CHiQ laser theater has been able to achieve the maximum improvement. In theory, watching TV at the same time, Changhong CHiQ laser theater has the least damage to eyesight, and the eyes are not easy to dry and fatigue.
As we all know, laser theater is mainly composed of laser light machine and screen. The Changhong P5 commercial and educational laser theater is equipped with a more efficient laser light machine and uses a dynamic elimination of speckle technology and a telecentric light path system to achieve a major breakthrough in overall performance. Subvert the industry's existing blue laser-excited phosphor technology solutions, first proposed an integrated single-axis dual-wheel color system technology program, through the remote rotation of the fluorescent devices and filter devices, to achieve the same blue light and yellow-green light path technology, great The problem is that the size of the light engine increases due to the optical path turning of the transflective fluorescent wheel is reduced, and the problem of the unsynchronized color system introduced in the double-wheel rotation is solved; the ultrashort-distance Galileo optical telephoto system, the wide-angle laser are innovated. The light-harvesting technology and high-integration light-sharing and light-sharing technology have formed a great lead in technology, greatly simplifying the optical path, effectively improving optical efficiency, and reducing power consumption.
In addition to establishing a large-scale infrastructure, educational informationization, software support such as teaching management system, content digitization, and individual education evaluation system acquire a large number of teaching and learning behavior data of teachers and students in the teaching process to promote education fairness and learning efficiency. The improvement. On January 15, 2017, Sichuan Changhong Education Technology Co., Ltd., Beijing Zhongqing Modern Technology Co., Ltd. and Zhejiang Jiuliang Education Technology Co., Ltd. signed a strategic cooperation agreement. The three giants of the education equipment industry will combine strengths and resources to complement each other's strengths. They will make in-depth cooperation in technology, resources, capital, and services to jointly build ecological future classrooms and provide “products + solutions + funds + services for governments and schools. "One-stop teaching service platform opens a new chapter in China's education informatization reform.
Today, Xiao Bian has the privilege of getting the P5 type commercial and educational “big head†for the first time. Take a look at the effect of its actual use in the general home environment, followed by Xiao Bian one by one "unveiled" it.
Appearance articles: Xiuwai Huizhong, steady but without losing high-end Changhong P5 commercial, educational laser theater light machine body as a whole adopt milky white design, the positive center is marked with changhong red LOGO, so that the overall look of technology is full. The whole body adopts frosted processing technology. The well-structured quadrilateral structure and Xiuwai Huizhong appear to be stable and high-end.
Use: Multi-mode focusing, convenient and efficient to open Changhong P5 laser cinema, because the use of laser light source does not require preheating, that is, open and close, extremely off, more convenient and efficient in use. With a brightness of 3,500 lumens, this machine allows students to see clear images even in bright classroom environments. Due to the higher color purity of the laser light source and the wide range of color gamuts, in general, more than 90% of the human eye can recognize colors, thus enabling more colorful images and images.
Intelligent articles: multi-screen interaction, making teaching more vivid, business easier Changhong P5 laser cinema equipped with two sets of HDMI (2.0) high-definition interface on the interface, USB, RJ45 network interface, VGR interface analog audio, digital audio interface, RS - 232 interface, etc., everything, can fully meet the needs of general commercial or teaching use. Its built-in 64-bit Cortex A 53 CPU/4G large memory, equipped with Android smart system, can achieve intelligent multi-screen interaction and sharing, but also unlimited installation of various applications, making teaching or business activities easier and more convenient.
Evaluation summary:
Changhong P5 laser theater has made great innovations in the laser machine technology. It has features such as high efficiency and low energy consumption. The laser flexible display makes the reflected light more integrated and more eye-protecting. Whether it is reading or watching videos, the eyes are not easy to see. Dry and fatigued. Imported Japanese-style Seiko high-performance ultra-short focal-inverse lens, built-in electric focus function, to break the projector's distance limit, 0.233 projection ratio, projection 100-inch large screen just 50CM, you can easily achieve 70-150 Inch precision focus. The brightness of 3,500 lumens can be clearly viewed even in a bright environment. Its rich interface resources, with intelligent multi-screen interaction and sharing, make the operation more convenient and the effect is better. In addition, this machine also supports a variety of projection methods, multi-mode focusing means, but also more convenient for daily use. Changhong also specially configured 120-inch wide-angle eye protection screen for this machine, priced at only 29,999 yuan, with a high price, will accelerate the popularity of laser theater in the large-screen market.
1, ultra-short-focus, multi-mode projection mode, bringing more convenient and more clear use of results.
2. Compared with ordinary projection and large-screen LCD TVs, laser cinemas have the advantages of long life, good experience, and low price.
3, laser flexible display makes the reflected light more integrated, but also more eye protection.
4, rich interface resources, smart multi-screen interaction, sharing features, make teaching more vivid, business easier.
5, unique WPS projection treasure function, make teaching and business activities more convenient and practical.
6, configuration 120-inch wide-angle eye screen, 29999 yuan price, with high cost performance.
Disadvantages:
1, compared to home products, smart features can be more abundant.
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