CN205666900U - Portable intelligent conference system based on ann is tall and erect - Google Patents

Abstract

The utility model discloses a portable intelligent conference system based on Android, which comprises an Android conference terminal, the Android conference terminal is an information processor with an Android operating system, and the Android conference terminal is respectively connected with a handwriting recognizer, a pan-tilt camera, a large The Android conference terminal includes a 3G/4G communication module for remote signal transmission with the mobile network, and a wireless module for signal exchange with the computer and the handheld client. The omnidirectional microphone is set on the computer. The utility model uses the means of collaborative office to combine the Android conference terminal, omni-directional microphone and PTZ camera into one, which can not only conduct local conferences, but also be used in remote video conferences. Support the access of handheld devices, which is convenient and fast.

Description

A portable intelligent conference system based on Android

technical field

The utility model belongs to the field of telepresence systems, in particular to a portable intelligent conference system based on Android, which can be applied in the fields of automated office, emergency command, commercial display and the like.

Background technique

In today's society, information exchanges are very frequent, and high-tech connections are becoming more and more frequent, or meetings between different departments of the same company or between different branches are also more frequent, and various public online lectures have become different. The system commonly used by lecturers in various places is so popular through voice, video conferencing, and lectures. Its form is generally limited to fixed terminals, and the intelligent conference system of mobile terminals is relatively limited.

In recent years, the scope of application of video conferencing systems has rapidly expanded, ranging from government, public security, military, courts to science and technology, energy, medical care, education and other fields, covering all aspects of social life. Have a strong desire. For example, individuals or groups in two or more different places, through transmission lines and multimedia equipment, exchange audio, video, and document data to achieve instant and interactive communication to achieve the purpose of the meeting. Therefore, the conference system should inject technology into the traditional office space, and the design concept of the system is to make the office space more intelligent, practical and efficient.

The general video conferencing system mostly adopts X86 architecture design, which is mainly used for signal reception, collection, transmission and codec processing of video conferencing. It mainly consists of an X86 architecture conference terminal (MCU server) and a series of video acquisition/processing equipment, Audio collection/processing equipment, display equipment, etc., such as the conference system disclosed in patent numbers CN204442536U and CN104717076A, the technical solutions in these patents have the following disadvantages:

1. There are many types of equipment, the cost is expensive, and the equipment connection is complicated and requires professional wires;

2. The equipment is bulky and not easy to carry;

3. High bandwidth requirements;

4. Emphasis on video conference function, poor collaborative office ability.

Utility model content

The technical problem to be solved by the utility model is to provide a portable intelligent conference system based on Android. The system uses the means of collaborative office to integrate the Android conference terminal, omnidirectional microphone and PTZ camera into one, which can not only carry out local conferences, It can also be used in remote video conferencing. At the same time, the equipment is miniaturized, lightweight and easy to carry, and supports the access of handheld devices, which is convenient and fast.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: an Android-based portable intelligent conference system, which is characterized in that it includes an Android conference terminal, and the Android conference terminal is an information processor with an Android operating system, A handwriting recognizer, a pan-tilt camera, a large-screen display and a projector are connected to the Android conference terminal. The Android conference terminal includes a 3G/4G communication module for remote signal A wireless module for signal exchange, wherein the computer is equipped with an omnidirectional microphone, the handwriting recognizer, the pan-tilt camera and the Android conference terminal are connected through a USB interface, and the large-screen display and projector are connected to the Android conference terminal through a high-definition degree multimedia interface connection.

As a further supplement to the above composition, the handwriting recognizer is a combined note recognizer, the combined note recognizer includes a data module and a circuit module, wherein the circuit module is composed of a standard infrared emitting unit and an infrared receiving unit, and the infrared emitting The unit and the infrared receiving unit are aluminum alloy unit strips of standard length. The unit strips are connected with buckles or corner structural parts before, and can be combined freely to form a rectangular frame with an aspect ratio of 16:9 or 4:3 or 21:9. The rectangular frame Anti-glare soft glass is installed inside; the data module processes the handwriting information collected by the circuit module, converts it into a photoelectric signal and transmits it to the Android conference terminal.

Make further supplement to above-mentioned group, described PTZ camera comprises data module and circuit module, and circuit module wherein is the circuit with video acquisition function, positioning memory function and remote control function, adopts USB interface to be connected with camera, and data module includes A video conversion module for digitizing the captured video, and an interface for data transmission.

As a further supplement to the above composition, the omnidirectional microphone includes an audio collector, a player and a signal transmission interface, the signal transmission interface adopts USB to connect with a computer with wireless screen transmission function, and the audio signal collected by the audio collector passes through the circuit module Process and transmit to the Android conference terminal, the player receives the audio signal from the Android conference terminal through the wireless module.

Make further supplement to above-mentioned group, described android conference terminal comprises wired module, wireless module, power supply module and 3G/4G module, and wherein wired module is connected with the data module of handwriting recognizer and PTZ camera, and the signal transmission of gathering On the large-screen display or projector, wireless transmission of signals between the wireless module and the omnidirectional microphone and the handheld client, the power module is connected with the handwriting recognizer and the circuit module of the PTZ camera, and the connection between the 3G/4G module and the mobile network transmit signals between them.

The beneficial effects produced by adopting the above-mentioned technical scheme are: the utility model is composed of a miniaturized Android conference terminal, a set of combined handwriting recognizers, an omnidirectional microphone with a wireless screen transmission function, and a pan-tilt camera. An Android conference terminal, an omnidirectional microphone, and a camera can be quickly combined to build a remote video conference system. The wireless connection between devices does not need to use a large number of complicated connecting wires. It is cost-effective and uses hard codec technology to guarantee the effect of remote video conferences. But the cost is much lower than the traditional hardware video conferencing system; the combined handwriting recognizer can be embedded on the large-screen display or installed on the wall as a projector screen, connected with the conference terminal, and quickly build an electronic whiteboard. Write and mark at will, and save meeting records. It adopts a combined structure design to meet the display area needs of display devices of different sizes, realize handwriting collection and recognition, and control source equipment; the combined handwriting recognizer can be used with LCD TV projectors, etc. The combination of traditional conference equipment can be quickly upgraded to interactive new conference equipment. Compared with the expensive electronic whiteboard equipment, the cost of upgrading and transformation is lower; the use of omnidirectional microphones saves the purchase cost of professional audio playback and acquisition equipment, and at the same time The self-contained wireless screen transmission technology also saves the trouble of integrated wiring in the conference room, making the conference room more concise and more efficient; the system also has mobile network access, WIFI access and wired network access functions to meet The use environment of different network environments.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is a schematic diagram of the system composition framework of the present utility model;

Fig. 2 is the schematic diagram of system circuit connection of the present utility model;

Among them: 1. Handwriting recognizer, 2. PTZ camera, 3. Mobile network, 4. Computer, 5. Omnidirectional microphone, 6. Handheld client, 7. Projector, 8. Android conference terminal, 9. Large screen monitor.

detailed description

As shown in Figure 1, the utility model specifically relates to an Android-based portable intelligent conference system, including a miniaturized Android conference terminal 8, a set of combined handwriting recognizers 1, a full Xiangmai 5, a PTZ camera 2, wherein the Android conference terminal 8 is an information processor with an Android operating system, and the Android conference terminal 8 is respectively connected with a handwriting recognizer 1, a PTZ camera 2, a large-screen display 9 and The projector 7 and the Android conference terminal 8 include a 3G/4G communication module for remote signal transmission with the mobile network, and also include a wireless module for signal exchange with the computer 4 and the handheld client 6, wherein the computer 4 is provided with an omnidirectional microphone 5. The handwriting recognizer 1, the pan-tilt camera 2 and the Android conference terminal 8 are connected through a USB interface, and the large-screen display 9 and the projector 7 are connected to the Android conference terminal 8 through a high-definition multimedia interface.

The effect and principle of each component in the utility model are as follows:

1) The Android conference terminal 8 adopts the Android operating system, which is the information central processor of the conference system. It has USB, HDMI interface, 3G/4G communication module, TF card memory expansion; and embedded audio and video wireless transmission receiving module, which can Receive audio and video signals wirelessly transmitted from mobile phones, PCs, etc.; because the Android conference terminal 8 is designed to include a wired module, a wireless module, a power module, and a 3G/4G module, the wired module is connected to the data of the handwriting recognizer 1 and the PTZ camera 2 The modules are connected, and the collected signals are transmitted to the large-screen display 9 or the projector 7, the wireless module performs wireless signal transmission with the omnidirectional microphone 5 and the handheld client 6, the power module and the handwriting recognizer 1 and the pan/tilt The circuit module of the camera 2 is connected, and the signal is transmitted between the 3G/4G module and the mobile network 3;

2) Handwriting recognizer 1 is a combined note recognizer. The combined note recognizer includes a data module and a circuit module. The circuit module is composed of a standard infrared emitting unit and an infrared receiving unit. The infrared emitting unit and the infrared receiving unit are standard The length of the aluminum alloy unit strips, the unit strips are connected by buckles or corner structural parts before, freely combined to form a rectangular frame with an aspect ratio of 16:9 or 4:3 or 21:9, and anti-glare soft glass is installed in the rectangular frame to form The recognizer; the data module processes the handwriting information collected by the circuit module, converts it into a photoelectric signal and transmits it to the Android conference terminal 8 . Any writing in the handwriting recognizer 1 will be converted into a photoelectric signal, collected and fed back to the Android conference terminal 8, and superimposed on the image to be displayed. Therefore, the user can use the device to perform arbitrary annotation or writing on the display device;

3) PTZ camera 2 is mainly used for video information collection; it adopts USB interface, 10~25 times optical lens, supports free adjustment of 360 degrees horizontally and 170 degrees vertically, and has positioning memory function and remote control function; specifically includes data module and circuit Module, wherein the circuit module is a circuit with video acquisition function, positioning memory function and remote control function, which is connected to the camera through a USB interface, and the data module includes a video conversion module for digitizing the collected video and an interface for data transmission;

4) Omnidirectional microphone 5 is mainly used for audio information collection and playback, as well as audio and video signal transmission between the PC terminal and the conference terminal; it is connected to the PC through a USB interface and supports wireless screen transfer function. Users can use this omnidirectional microphone to , the audio and video signals on the PC are wirelessly transmitted to the conference terminal and displayed through the display terminal; the audio signal fed back by the conference terminal can also be received and played through the speaker; therefore, the omnidirectional microphone 5 includes an audio collector, a player and a signal The transmission interface, the signal transmission interface adopts USB to connect with the computer 4 with wireless screen transmission function, the audio signal collected by the audio collector is processed by the circuit module and transmitted to the Android conference terminal 8, and the player receives the video from the Android conference terminal 8 through the wireless module. audio signal.

5) The handheld client 6 has a wireless screen projection function, and the Android conference terminal 8 supports AirPlay and Android mirroring functions. Handheld terminals (IOS, Android systems) such as mobile phones and PADs can project the contents of the handheld terminal to the large screen through WIFI or WLAN display.

To sum up, a set of remote collaborative office system is composed of Android conference terminal 8, handwriting recognizer 1, omnidirectional microphone with wireless screen transmission 5, PTZ camera 2, and large-screen display 9, in which handwriting recognizer 1, cloud The data collected by the camera 2 is directly transmitted to the Android conference terminal 8 through a cable, and the Android conference terminal 8 supplies power to the above-mentioned devices at the same time; the PC and other source devices are connected to the omnidirectional microphone 5, and the audio and video data are wirelessly transmitted to the Android conference terminal 8 , the handheld client terminal 6 transmits data to the Android conference terminal 8 through the wireless network; the Android conference terminal 8 provides all data integration processing to the projector 7 or the large-screen display 9 .

When the utility model is applied to a remote video conference, a remote video conference system is quickly assembled by a conference terminal, an omnidirectional microphone, and a camera, and wireless connections are used between devices without using a large number of complicated connecting wires.

When the utility model is applied to a local meeting, the combined handwriting recognition frame can be embedded on a large-screen display (LCD TV) or installed on a wall as a projector screen, and connected with a meeting terminal to quickly build an electronic whiteboard. Display arbitrary writing annotations on the device, and save meeting records.

In terms of collaborative office, the utility model consists of an Android conference terminal, a handwriting recognition frame, an omnidirectional microphone with a wireless transmission screen, a pan-tilt camera, and a large-screen display to form a remote collaborative office system. Users can use mobile phones, pads, and notebooks The content is wirelessly projected to the large screen and annotated. Remote participants can access the system through mobile phones, pads, notebooks, electronic whiteboards, traditional conference systems, etc., and interact with users remotely, such as video, two-way interaction, file sharing and more.

List 3 application cases of the present utility model below.

Case 1 Emergency command

A flood disaster occurs in a certain place, and the basic network is damaged. The emergency command center needs to communicate with the disaster relief command station on the front line in time to deploy emergency measures. The first-line disaster relief command station uses the present invention to quickly set up a video conferencing environment, and connects with the emergency command center through a wireless 4G network. Through the wireless screen transmission function, the on-site data on the mobile phone and PC can be transmitted back to the emergency command center in time through the Android conference terminal. And use the combined handwriting recognizer to quickly and conveniently annotate on the map image, and accurately inform the emergency command center of the scene. The emergency command center can also arrange the deployment on the map image, and quickly inform the front-line disaster relief command station, so that the front-line disaster relief deployment can be completed more accurately, saving the lives and property of the people.

Case 2 coordination office

A manager leads a team to negotiate with Party A on behalf of the company. During the negotiation process, there are major differences, and it is necessary to negotiate and communicate with multiple departments at the headquarters in a timely manner. In the hotel room, the negotiation team used the present invention to quickly set up a remote coordinated office environment, embedded the combined handwriting recognizer on the hotel TV, and turned the ordinary LCD TV into an electronic whiteboard; through the Android conference terminal, the negotiation data Quickly share with the participating departments of the headquarters, and mark the key parts of the materials. The participating departments of the headquarters use the company's electronic whiteboard system to quickly annotate the departments with doubts about the materials, and formulate negotiation countermeasures; the negotiation team obtains the support of the headquarters in time, Successfully complete the negotiation task.

Case 3 Conference room IT upgrade

A company's conference room was originally equipped with LCD TVs and projectors, but the depreciation period has not yet been reached, so it needs to be upgraded on this basis. Utilizing the present invention, the combined handwriting recognizer is embedded on the LCD TV, and the LCD TV is transformed into an intelligent electronic whiteboard; the combined handwriting recognizer is installed on the wall, and combined with a projector to form an interactive image device; with wireless transmission screen The omnidirectional microphone saves the purchase cost of wiring and audio equipment in the conference room, and the pan-tilt camera with remote control provides convenience for conference image collection; with the help of the invention, the company saves high costs and uses the original Some conference equipment successfully completed the IT upgrade of the conference room, and built a comprehensive intelligent conference room that supports remote coordination, remote video conferencing, and local brainstorming meetings to meet the company's different conference needs.

Claims (5)

1. A portable intelligent conference system based on Android, characterized in that it includes an Android conference terminal (8), and the Android conference terminal (8) is an information processor with an Android operating system, on the Android conference terminal (8) A handwriting recognizer (1), a pan-tilt camera (2), a large-screen display (9) and a projector (7) are respectively connected, and the Android conference terminal (8) includes 3G/4G communication for remote signal transmission with the mobile network module, and a wireless module for signal exchange with a computer (4) and a handheld client (6), wherein an omnidirectional microphone (5) is set on the computer (4), the handwriting recognizer (1), the pan-tilt camera ( 2) It is connected to the Android conference terminal (8) through a USB interface, and the large-screen display (9) and projector (7) are connected to the Android conference terminal (8) through a high-definition multimedia interface. 2. An Android-based portable intelligent conference system according to claim 1, characterized in that the handwriting recognizer (1) is a combined note recognizer, and the combined note recognizer includes a data module and a circuit module, The circuit module is composed of a standard infrared emitting unit and an infrared receiving unit. The infrared emitting unit and the infrared receiving unit are aluminum alloy unit strips of standard length. It is a rectangular frame of 16:9 or 4:3 or 21:9, and anti-glare soft glass is installed in the rectangular frame; the data module processes the handwriting information collected by the circuit module, converts it into a photoelectric signal and transmits it to the Android conference terminal (8) . 3. An Android-based portable intelligent conference system according to claim 1, characterized in that the pan-tilt camera (2) includes a data module and a circuit module, wherein the circuit module has video acquisition function, positioning memory The function and the circuit of the remote control function are connected with the camera through a USB interface, and the data module includes a video conversion module for digitizing the collected video and an interface for data transmission. 4. An Android-based portable intelligent conference system according to claim 1, characterized in that the omnidirectional microphone (5) includes an audio collector, a player and a signal transmission interface, and the signal transmission interface adopts USB and has The computer (4) with the wireless screen transmission function is connected, the audio signal collected by the audio collector is processed by the circuit module and transmitted to the Android conference terminal (8), and the player receives the audio signal from the Android conference terminal (8) through the wireless module. 5. An Android-based portable intelligent conference system according to any one of claims 1-4, characterized in that the Android conference terminal (8) includes a wired module, a wireless module, a power module and a 3G/4G module, wherein the wired module is connected with the data module of the handwriting recognizer (1) and the pan-tilt camera (2), and transmits the collected signal to the large-screen display (9) or projector (7), and the wireless module is connected with the omnidirectional Wireless transmission of signals between the microphone (5) and the handheld client (6), the power module is connected to the circuit module of the handwriting recognizer (1) and the pan-tilt camera (2), and the 3G/4G module is connected to the mobile network (3) signal transmission between them.