CN204906456U - Speech communication terminal based on CAN bus and ethernet - Google Patents
Speech communication terminal based on CAN bus and ethernet Download PDFInfo
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- CN204906456U CN204906456U CN201520649073.3U CN201520649073U CN204906456U CN 204906456 U CN204906456 U CN 204906456U CN 201520649073 U CN201520649073 U CN 201520649073U CN 204906456 U CN204906456 U CN 204906456U
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Abstract
The utility model provides a speech communication terminal based on CAN bus and ethernet, including central processing unit, communication module, display module, speech input output module, CAN bus module, input module and power module, central processing unit connects communication module both -way communication, central processing unit connects CAN bus module both -way communication, central processing unit connects speech input output module both -way communication, central processing unit's output is connected the input of display module, central processing unit's input is connected input module's output, power module is electric connection central processing unit, communication module, display module, speech input output module, CAN bus module and input module respectively. Joining through CAN bus module for speech communication has overcome at the terminal the single of communication, and the cost is reduced makes its communication mode who constitutes communication system diversified, convenient to use.
Description
Technical field
The utility model relates to voice communication technology, particularly relates to the voice communication terminal based on CAN and Ethernet.
Background technology
Along with the development of science and technology, the voice terminal device with voice system is day by day popularized.Above-mentioned voice system is by speech understanding technology, allows user and voice terminal device link up.For example, as long as user tells a certain requirement to above-mentioned voice terminal device, such as, want to look into train number, look into weather etc., system just according to the voice signal of user, can take corresponding action.Above-mentioned action may be answer user's problem with voice mode or go the system of ordering about voice terminal device to carry out action according to user's instruction.Existing terminal communication is single, with high costs.
Utility model content
In order to solve the problems of the prior art, the utility model provides a kind of voice communication terminal based on CAN and Ethernet.
The utility model provides a kind of voice communication terminal based on CAN and Ethernet, this voice communication terminal comprises central processing unit, communication module, display module, phonetic entry output module, CAN module, input module and supply module, described central processing unit connects described communication module two-way communication, described central processing unit connects the two-way communication of described CAN module, described central processing unit connects the two-way communication of described phonetic entry output module, the output of described central processing unit connects the input of described display module, the input of described central processing unit connects the output of described input module, described supply module is electrically connected central processing unit respectively, communication module, display module, phonetic entry output module, CAN module and input module.
As further improvement of the utility model, described CAN module comprises CAN driver element and CAN interface, and described CAN driver element connects the two-way communication of described CAN interface.
As further improvement of the utility model, described communication module comprises communication unit and Ethernet interface, and described communication unit connects described Ethernet interface two-way communication.
As further improvement of the utility model, described Ethernet interface is two.
As further improvement of the utility model, described input module comprises input unit and input keyboard, and the output of described input keyboard connects the input of described input unit.
As further improvement of the utility model, described phonetic entry output module comprises voice-input unit, speech input interface, voice-output unit, loudspeaker and voice output interface, the input of described voice-input unit connects the output of described speech input interface, and the output of described voice-output unit connects the input of described loudspeaker and the input of voice output interface respectively.
As further improvement of the utility model, described central processing unit comprises microprocessor, flash memory FALSH and register RAM, and described microprocessor connects described flash memory FALSH two-way communication, and described microprocessor connects described register RAM two-way communication.
The beneficial effects of the utility model are: by adding of CAN module, make voice communication terminal overcome the single of communication, reduce cost, make it form the diversity communication mode of communication system, easy to use.
Accompanying drawing explanation
Fig. 1 is the utility model based on the structured flowchart of the voice communication terminal of CAN and Ethernet.
Embodiment
To illustrate below in conjunction with accompanying drawing and embodiment further illustrates the utility model.
As shown in Figure 1, the utility model provides a kind of voice communication terminal based on CAN and Ethernet, this voice communication terminal comprises central processing unit, communication module, display module, phonetic entry output module, CAN module, input module and supply module, described central processing unit connects described communication module two-way communication, described central processing unit connects the two-way communication of described CAN module, described central processing unit connects the two-way communication of described phonetic entry output module, the output of described central processing unit connects the input of described display module, the input of described central processing unit connects the output of described input module, described supply module is electrically connected central processing unit respectively, communication module, display module, phonetic entry output module, CAN module and input module.By adding of CAN module, make voice communication terminal overcome the single of communication, reduce cost, make it form the diversity communication mode of communication system, easy to use.
Described CAN module comprises CAN driver element and CAN interface, and described CAN driver element connects the two-way communication of described CAN interface.Use CAN communication simple, compatibility is comparatively strong, easily promotes.
Described communication module comprises communication unit and Ethernet interface, and described communication unit connects described Ethernet interface two-way communication.Use ethernet communication is simple, convenient.There is good compatibility.
Described Ethernet interface is two.
Described input module comprises input unit and input keyboard, and the output of described input keyboard connects the input of described input unit.
Described phonetic entry output module comprises voice-input unit, speech input interface, voice-output unit, loudspeaker and voice output interface, the input of described voice-input unit connects the output of described speech input interface, and the output of described voice-output unit connects the input of described loudspeaker and the input of voice output interface respectively.
Described central processing unit comprises microprocessor, flash memory FALSH and register RAM, and described microprocessor connects described flash memory FALSH two-way communication, and described microprocessor connects described register RAM two-way communication.
After multiple voice communication terminal composition communication system, terminal 1 dials to terminal 9.First terminal 1 sends out a public dialing frame by CAN, and terminal 2,3,4 receives this frame data by CAN, and by remote phone number wherein and the telephone number comparison of self, comparison is unsuccessful.Terminal 4 first sets up the tables of data of a UDP by the information existence table of terminal 1.Then this public dialing frame is broadcasted away by netting twine.At this moment terminal 5,6,7 receives the broadcast frame of this UDP, and by remote phone number wherein and the telephone number comparison of self, comparison is unsuccessful.Terminal 7 first sets up the tables of data of a UDP by the information existence table of terminal 4.Then this dialing broadcast frame is passed to terminal 8,9,10 by CAN, at this moment terminal 8,9,10 receives the common frame of this CAN, and by remote phone number wherein and the telephone number comparison of self, at this moment terminal 9 comparison success, terminal 9 sends out an acknowledgement frame at once, and the CANID of self is passed to terminal 7 by CAN, and terminal 7 is by this acknowledgement frame, pass to terminal 4 by TCP, this acknowledgement frame is passed to terminal 1 by CAN by terminal 4.At this moment the circuit between terminal 1 and terminal 9 is connected.Terminal 1 microphone sends the sound of beep, beep, beep.
Call: after terminal 9 picks up the telephone, terminal 9 first sends an off-hook frame to terminal 1, the sound of the beep in the microphone of terminal 1 stops, and terminal 1 and terminal 9 realize call function.Echo cancellor is wherein realized by the speex echo cancellation algorithm of software programming, avoids in communication process the echo hearing oneself.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. the voice communication terminal based on CAN and Ethernet, it is characterized in that: this voice communication terminal comprises central processing unit, communication module, display module, phonetic entry output module, CAN module, input module and supply module, described central processing unit connects described communication module two-way communication, described central processing unit connects the two-way communication of described CAN module, described central processing unit connects the two-way communication of described phonetic entry output module, the output of described central processing unit connects the input of described display module, the input of described central processing unit connects the output of described input module, described supply module is electrically connected central processing unit respectively, communication module, display module, phonetic entry output module, CAN module and input module.
2. voice communication terminal according to claim 1, is characterized in that: described CAN module comprises CAN driver element and CAN interface, and described CAN driver element connects the two-way communication of described CAN interface.
3. voice communication terminal according to claim 2, is characterized in that: described communication module comprises communication unit and Ethernet interface, and described communication unit connects described Ethernet interface two-way communication.
4. voice communication terminal according to claim 3, is characterized in that: described Ethernet interface is two.
5. voice communication terminal according to claim 4, is characterized in that: described input module comprises input unit and input keyboard, and the output of described input keyboard connects the input of described input unit.
6. voice communication terminal according to claim 5, it is characterized in that: described phonetic entry output module comprises voice-input unit, speech input interface, voice-output unit, loudspeaker and voice output interface, the input of described voice-input unit connects the output of described speech input interface, and the output of described voice-output unit connects the input of described loudspeaker and the input of voice output interface respectively.
7. voice communication terminal according to claim 6, it is characterized in that: described central processing unit comprises microprocessor, flash memory FALSH and register RAM, described microprocessor connects described flash memory FALSH two-way communication, and described microprocessor connects described register RAM two-way communication.
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| CN201520649073.3U CN204906456U (en) | 2015-08-26 | 2015-08-26 | Speech communication terminal based on CAN bus and ethernet |
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| CN201520649073.3U CN204906456U (en) | 2015-08-26 | 2015-08-26 | Speech communication terminal based on CAN bus and ethernet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450760A (en) * | 2018-12-16 | 2019-03-08 | 中信重工开诚智能装备有限公司 | A kind of speech communication bus structures and multiplexing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450760A (en) * | 2018-12-16 | 2019-03-08 | 中信重工开诚智能装备有限公司 | A kind of speech communication bus structures and multiplexing method |
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