CN208128429U - A kind of embedded type teaching equipment - Google Patents

Abstract

The utility model belongs to medical educational equipment technical field, discloses a kind of embedded type teaching equipment.The utility model includes body and is set to the intracorporal embeded processor of machine；The display screen, function button and power button being electrically connected with embeded processor are embedded on front side of body；Interface unit and audio playing apparatus are embedded on rear side of body；Interface unit includes the network interface being electrically connected with embeded processor, SDI input interface, SDI output interface, VGA output interface, HDMI output interface, audio input interface, audio output interface and microphone interface；Audio playing apparatus is electrically connected by HDMI output interface and/or audio input interface with embeded processor.The utility model realizes that educational surgery demonstration and teaching etc. remotely view and emulate guidance, two-way interactive and study, and a variety of input/output interfaces can switch at any time, to adapt to the access requirement of different output equipments and different input resolution ratio, easy to use, practicability is high, is suitable for promoting the use of.

Description

A kind of embedded type teaching equipment

Technical field

The utility model belongs to medical educational equipment technical field, and in particular to a kind of embedded type teaching equipment.

Background technique

The electronic system of modern hospital is quickly grown, and such as medical image information system, clinical image information occurs System and dedicated for a variety of hospital information systems such as the Digital imaging system of operation, strange land experts and scholars, patient' s family, reality The student for practising doctor or each medical universities and colleges can remotely be viewed and emulated by being set to the teaching system of different location, Jin Erda To solving the problems, such as or the destination of study.

But existing teaching system leans on simple Simulation scale-up voice still come the audio at the scene of propagating and receives audience Audio-frequency information, dialogue have echo, Field Force can not clarify the overall picture of things, and also pole is not deep for recipient's impression, serious shadow The understanding effect of audience is rung, use is very inconvenient.

Utility model content

In order to solve the above problems existing in the present technology, the utility model aim is that providing a kind of realize remotely views and emulates Guidance and two-way interactive study, a variety of output interfaces switch at any time, the embedded type teaching of the encoding and decoding one of local audio-video is set It is standby.

Technical solution used by the utility model is：

A kind of embedded type teaching equipment, including body and it is set to the intracorporal embeded processor of machine；The body Front side is embedded with the display screen, function button and power button being electrically connected with embeded processor；The rear side of the body It is embedded with interface unit and audio playing apparatus；The interface unit includes that the network being electrically connected with embeded processor connects Mouth, SDI input interface and microphone interface further include that the SDI output being electrically connected by SDI output circuit with embeded processor connects Mouthful, the VGA output interface that is electrically connected with embeded processor by VGA output circuit, pass through HDMI output circuit with it is embedded The HDMI output interface of processor electrical connection, the audio input interface being electrically connected by audio input circuit with embeded processor And the audio output interface being electrically connected by audio output circuit with embeded processor；The audio playing apparatus passes through HDMI output interface and/or audio output interface are electrically connected with embeded processor.

Preferably, the interface unit further includes power interface；The power interface by power circuit with it is embedding Enter the electrical connection of formula processor.

Preferably, further including microphone；The microphone is electrically connected by power extension device with microphone interface.

Preferably, the display screen is touching liquid-crystal display screen；The function button is touch key.

Preferably, the embeded processor, SDI output circuit, VGA output circuit, HDMI output circuit, audio Input circuit and audio output circuit are all set on the intracorporal core circuit plate of machine.

Preferably, the model Hi3535 of the embeded processor.

The beneficial effects of the utility model are：

By the embeded processor of body inside and outside and being used cooperatively for interface unit, pass through external other information system Or monitoring system, the audio-videos such as operating room medical imaging, surgical device, hospital information system can be pushed in real time aobvious It is played out on display screen and loudspeaker, thus can allow relevant long-range strange land experts and scholars, patient' s family, intern or each The student of a medical treatment universities and colleges etc. is realized by body remotely views and emulates guidance, two-way interactive and study；Meanwhile it is a variety of in interface unit Input/output interface can be switched at any time by display screen or function button, to adapt to different output equipments and different inputs point The access requirement of resolution, it is easy to use, and the operation for passing through Hi3535 embeded processor realizes the volume solution of local audio-video Code one, practicability is high, the teaching device of the windows framework relative to current mainstream based on X86 platform, the utility model Safety and stability is higher, is suitable for promoting the use of.

Detailed description of the invention

Fig. 1 is the positive structure diagram of embodiment.

Fig. 2 is the backsight structural representation of embodiment.

Fig. 3 is the structural block diagram of embodiment.

In figure：1- body；2- display screen；3- power button；4- function button；5- interface unit；6- loudspeaker.

Specific embodiment

With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.

As shown in Figure 1, the present embodiment provides a kind of embedded type teaching equipment, including body and it is set to the intracorporal insertion of machine Formula processor, embeded processor use the teaching for making the windows framework relative to current mainstream based on X86 platform to set Standby, the safety and stability of the utility model is higher.In the present embodiment, embeded processor can with but be not limited only to using type Number be Hi3535 professional Soc chip, Hi3535 built-in chip type high-performance A9 embeded processor and have up to 5 road 1080p The multi-protocol video Decode engine of decoding capability realizes the encoding and decoding one of local audio-video, and Hi3535 integrated chip High performance video/the image processing engine for having multinomial complicated image Processing Algorithm can in conjunction with dual-path high-definition output display To guarantee the picture quality of output, meanwhile, Hi3535 integrated chip peripheral interface abundant can be above-mentioned in order to connect SDI output circuit, VGA output circuit, HDMI output circuit, audio input circuit and audio output circuit are providing differentiation While product function, performance, image quality requirements, production cost is substantially reduced.

In the present embodiment, above-mentioned embedded type teaching equipment further includes microphone, it is possible thereby to interactive voice be realized, so that seeing Rub and learning effect more preferably；Microphone is electrically connected by power extension device with microphone interface, can be increased by power extension device and be worked as The access quantity of preceding microphone is suitable for more people's teaching scenes.

The display screen, function button and power button being electrically connected with embeded processor are embedded on front side of body；It is aobvious Display screen is used to show the video information in outer welding system；Function button is for switching each interface or showing for controlling display screen Information.In the present embodiment, display screen is touching liquid-crystal display screen, and function button is touch key, so that operation is more just It is prompt.

Interface unit and audio playing apparatus are embedded on rear side of body；Interface unit includes electric with embeded processor Network interface, SDI input interface and the microphone interface of connection further include being electrically connected by SDI output circuit with embeded processor The SDI output interface that connects, the VGA output interface being electrically connected by VGA output circuit with embeded processor are exported by HDMI HDMI output interface that circuit is electrically connected with embeded processor is electrically connected by audio input circuit with embeded processor Audio input interface and the audio output interface being electrically connected by audio output circuit with embeded processor；Each interface can be with Switching is realized by function button or is selected by field deployment situation, so that the utility model can be adapted for mesh Preceding most of teaching environment, use scope are more extensive.In the present embodiment, interface unit further includes power interface；Power interface It is electrically connected by power circuit with embeded processor, it is possible thereby to be used to control the work of external power source interface by power button Make state, power circuit can with but be not limited only to the voltage of alternating current or mobile power source output to be converted to 3.3V and/or 5V is defeated The power management chip of voltage out, the model of power management chip can with but be not limited only to as SM7022.

In the present embodiment, embeded processor, SDI output circuit, VGA output circuit, HDMI output circuit, audio input Circuit, audio output circuit and power circuit are all set on the intracorporal core circuit plate of machine, and SDI output circuit, VGA are defeated Circuit, HDMI output circuit, audio input circuit and audio output circuit are existing custom circuit out, and foregoing circuit with it is embedding The electrical connection for entering formula processor is the conventional technical means of those skilled in the art, and details are not described herein again.

SDI input interface (digital component serial line interface) is for being connected with SDI video camera, SDI optical transmitter and receiver, the record of SDI hard disk The high definition HD-SDI monitoring system etc. that camera, SDI matrix, large screen are set up；SDI output interface is for connecting display screen；SDI is defeated Incoming interface and SDI output interface transmission rate realize tutorial function or interaction in cooperation front-end camera up to 270Mb/s or more When function, it is not necessarily to rewiring, saves huge time cost and human cost, and SDI interface makes vision signal with not High-speed transfer, original image will not be distorted, not influenced by transmission network, not had compressed digital signal on coax Picture delay problem, suitable for the teaching occasion for thering is SDI to dispose.

USB interface (using the special purpose interface of VGA standard output data) is used to connect embeded processor and display, is The interface of analog signal is exported on embeded processor, the signal exported on embeded processor is by embeded processor Digital/analog converter is changed into R, G, B tricolor signal and row, field sync signal, and signal passes through USB interface and cable transmission Into display.

Audio input interface is used for by the audio signal transmission of the sendings such as computer, video camera to embeded processor, so Embeded processor carries out the audio playing apparatus such as the loudspeaker connected after Audio Signal Processing by audio output port afterwards It plays, audio input interface accesses the audio frequency apparatus of any support.

HDMI interface (high-definition multimedia interface) is for connecting computer, digital sound box, display screen etc., HDMI interface Transmission can satisfy the resolution ratio of 1080P, moreover it is possible to and support Eight-channel 96kHz or stereo 192kHz digital audio to transmit, it can be with Audio and video signal are transmitted simultaneously；And it is connected by HDMI interface so that each equipment has the characteristics that " plug and play ", i.e., " negotiation " can be carried out automatically between signal source and display equipment, automatically select most suitable video/audio format；Wherein, HDMI The optimum distance of cable is no more than 8 meters, therefore HDMI interface is closer apart from teaching body suitable for headend equipments such as video cameras Teaching occasion.

Network interface is used to communicate to connect embeded processor and other equipment and then realizes data interaction, network interface Can with but be not limited only to using RJ-45 interface, RJ-11 interface, SC optical fiber interface, fddi interface, AUI interface, bnc interface, One or more of Console interface so that network interface can with existing most of Network adaptation, using more It is convenient.The present embodiment, network interface use RJ-45 interface.

Audio playing apparatus is electrically connected by HDMI output interface and/or audio input interface with embeded processor.

The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.

Claims (6)

1. a kind of embedded type teaching equipment, it is characterised in that：Including body and it is set to the intracorporal embeded processor of machine；It is described Body on front side of be embedded with the display screen, function button and power button being electrically connected with embeded processor；The machine Interface unit and audio playing apparatus are embedded on rear side of body；The interface unit includes being electrically connected with embeded processor Network interface, SDI input interface and microphone interface, further include being electrically connected by SDI output circuit with embeded processor SDI output interface, passes through HDMI output circuit at the VGA output interface being electrically connected by VGA output circuit with embeded processor The HDMI output interface being electrically connected with embeded processor, the audio being electrically connected by audio input circuit with embeded processor Input interface and the audio output interface being electrically connected by audio output circuit with embeded processor；The audio plays dress It sets and is electrically connected by HDMI output interface and/or audio output interface with embeded processor.

2. embedded type teaching equipment according to claim 1, it is characterised in that：The interface unit further includes that power supply connects Mouthful；The power interface is electrically connected by power circuit with embeded processor.

3. embedded type teaching equipment according to claim 1, it is characterised in that：It further include microphone；The microphone It is electrically connected by power extension device with microphone interface.

4. embedded type teaching equipment according to claim 1, it is characterised in that：The display screen is that touch LCD is shown Screen；The function button is touch key.

5. embedded type teaching equipment according to any one of claims 1 to 4, it is characterised in that：The embeded processor, SDI output circuit, VGA output circuit, HDMI output circuit, audio input circuit and audio output circuit are all set in positioned at machine On intracorporal core circuit plate.

6. embedded type teaching equipment according to claim 5, it is characterised in that：The model of the embeded processor Hi3535。