CN203504644U - Indoor audio calling system using power line - Google Patents
Indoor audio calling system using power line Download PDFInfo
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- CN203504644U CN203504644U CN201320575049.0U CN201320575049U CN203504644U CN 203504644 U CN203504644 U CN 203504644U CN 201320575049 U CN201320575049 U CN 201320575049U CN 203504644 U CN203504644 U CN 203504644U
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- power line
- audio
- audio call
- homeplug
- indoor
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Abstract
The utility model provides an indoor audio calling system using a power line. The indoor audio calling system comprises a PLC (Programmable Logic Controller) gateway and at least one audio calling terminal, wherein the audio calling terminal is connected with the PLC gateway through the power line, and the audio calling terminals are connected with one another by the power line. By using the power line as signal transmission medium and adopting HomePlug-AV technology, the indoor audio calling system achieves indoor wiring-free bi-directional point-to-point and point-to-multipoint audio calling based on IP (Internet) framework, and can achieve moving calling control and management through the network.
Description
Technical field
The utility model relates to field of intelligent control technology, specially refers to the indoor audio call system of power line of the audio call of the occasions such as house, office, hotel, hospital.
Background technology
The conventional indoor calling system adopting, has two kinds of audio frequency and non-audios at present, but is all generally to need wiring to install.Also the calling system that has similar power line, but not audio call (as application number: 201110413667.0).Therefore, above calling system is difficult to meet for not only needs audio call but also does not possess the demand of wiring condition occasion.
Utility model content
The utility model provides a kind of power line indoor audio call system, utilize power line as signal transmission medium, the two way audio of exempting from point-to-point in wiring closet and point-to-multipoint that has adopted HomePlug-AV (standard that power line network alliance of family formulates in order to meet the needs of family digital multimedia transmission) technology to realize based on IP (the Internet) framework is called out, and realizes the mobile control and management to calling out by network.
To achieve these goals, the utility model provides following technical scheme:
The indoor audio call system of a kind of power line, it comprises: a PLC gateway and at least one audio call terminal, described audio call terminal is connected with described PLC gateway by power line, between described audio call terminal, by power line, interconnect, described audio call terminal has a HomePlug-AV communication chip group, first processor, audio frequency is processed and amplifying circuit, audio input circuit, audio output circuit and the first coupling circuit, described audio input circuit is connected respectively described audio frequency with described audio output circuit to be processed and amplifying circuit, described audio frequency is processed and amplifying circuit connects described first processor, described first processor connects a described HomePlug-AV communication chip group, a described HomePlug-AV communication chip group connects described the first coupling circuit, described the first coupling circuit connects described PLC gateway by power line, and described the first coupling circuit also connects the first coupling circuit of another audio call terminal by described power line.
Preferably, described PLC gateway comprises the 2nd HomePlug-AV communication chip group and the second processor, and described the second processor connects described the 2nd HomePlug-AV communication chip group, and described the 2nd HomePlug-AV communication chip group connects the second coupling circuit.
Preferably, described the first coupling circuit and the second coupling circuit are power line coupler.
By implementing above technical scheme, there is following technique effect: the indoor audio call system of power line that the utility model provides, utilize power line as signal transmission medium, the two way audio of exempting from point-to-point in wiring closet and point-to-multipoint that has adopted HomePlug-AV (standard that power line network alliance of family formulates in order to meet the needs of family digital multimedia transmission) technology to realize based on IP (the Internet) framework is called out, and realize the mobile control and management to calling out by network, enriched people's life.
Accompanying drawing explanation
The indoor audio call system principle diagram of power line that Fig. 1 provides for the utility model;
The audio call terminal theory diagram that Fig. 2 provides for the utility model;
The gate access inter-speaking function application block diagram of the audio call terminal that Fig. 3 provides for the utility model;
The background music function application block diagram of the audio call terminal that Fig. 4 the utility model provides.
Embodiment
In order better to understand the technical solution of the utility model, below in conjunction with accompanying drawing, describe the embodiment that the utility model provides in detail.
The utility model embodiment provides a kind of power line indoor audio call system, as shown in Figure 1, comprise: a PLC gateway and at least one audio call terminal, described audio call terminal is connected with described PLC gateway by power line, between described audio call terminal, by power line, interconnect, as shown in Figure 2, described audio call terminal has a HomePlug-AV communication chip group, first processor (CPU), audio frequency is processed and amplifying circuit, audio input circuit, audio output circuit and the first coupling circuit, described audio input circuit is connected respectively described audio frequency with described audio output circuit to be processed and amplifying circuit, described audio frequency is processed and amplifying circuit connects described first processor, described first processor connects a described HomePlug-AV communication chip group, a described HomePlug-AV communication chip group connects described the first coupling circuit, described the first coupling circuit connects described PLC gateway by power line, and described the first coupling circuit also connects the first coupling circuit of another audio call terminal by described power line.The indoor audio call system of this power line utilizes power line as signal transmission medium, has adopted HomePlug-AV technology to realize IP-based calling communication architecture.Audio call terminal is connected with PLC gateway by power line, and is independently IP address of audio call terminal distribution by router.Each audio call terminal, can be set to the different call models of point-to-point or point-to-multipoint, realizes calling and control between each audio call terminal.Router is connected with intelligent mobile terminal communication by wireless signal.
When call button or infrared remote control receiver receive the triggering signal of Infrared remote controller, by audio input circuit (microphone) accessing to audio input signal, and process and amplifying circuit is loaded into a HomePlug-AV communication chip group by calling control command and audio signal and encodes through first processor and audio frequency, through the first coupling circuit (as: power line coupler), transfer to power line again, realize the calling to another the called audio call terminal setting in advance.Simultaneously, when called audio call terminal receives the calling control command from power line, model call link, and receive signal by the first coupling circuit, through a HomePlug-AV communication chip group, decode again, finally by first processor and audio frequency, process and the control of amplifier realization to audio output circuit (loud speaker).
In the above-described embodiments, more specifically, described PLC gateway comprises the 2nd HomePlug-AV communication chip group and the second processor, and described the second processor connects described the 2nd HomePlug-AV communication chip group, and described the 2nd HomePlug-AV communication chip group connects the second coupling circuit.
As shown in Figure 3, the indoor audio call system of described power line, also can utilize described audio call terminal to realize the control function of gate access inter-speaking.Any audio call terminal is fixing as doorway audio call terminal, and preset called indoor appointment audio frequency calling terminal, when gate inhibition's button of described doorway audio call terminal triggers, by power line, control its preset called audio call terminal and start, thereby realize gate access inter-speaking function.
As shown in Figure 4, the indoor audio call system of described power line, also can utilize described audio call terminal to realize the playing function of background music.Any audio call terminal is fixing as source of sound terminal, the source of sound input circuit access sound source signal (as MP3) of described source of sound terminal the lasting source of sound of playing, and using other audio call terminal as playback terminal, the output that can pass through control button selective reception or mute speaker of described playback terminal, or volume or source of sound are implemented to control, thereby realized the broadcasting of power line background music and controlled function.
The indoor audio call system of a kind of power line above the utility model embodiment being provided is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. the indoor audio call system of power line, it is characterized in that, comprise: a PLC gateway and at least one audio call terminal, described audio call terminal is connected with described PLC gateway by power line, between described audio call terminal, by power line, interconnect, described audio call terminal has a HomePlug-AV communication chip group, first processor, audio frequency is processed and amplifying circuit, audio input circuit, audio output circuit and the first coupling circuit, described audio input circuit is connected respectively described audio frequency with described audio output circuit to be processed and amplifying circuit, described audio frequency is processed and amplifying circuit connects described first processor, described first processor connects a described HomePlug-AV communication chip group, a described HomePlug-AV communication chip group connects described the first coupling circuit, described the first coupling circuit connects described PLC gateway by power line, and described the first coupling circuit also connects the first coupling circuit of another audio call terminal by described power line.
2. the indoor audio call system of power line as claimed in claim 1, it is characterized in that, described PLC gateway comprises the 2nd HomePlug-AV communication chip group and the second processor, described the second processor connects described the 2nd HomePlug-AV communication chip group, and described the 2nd HomePlug-AV communication chip group connects the second coupling circuit.
3. the indoor audio call system of power line as claimed in claim 1 or 2, is characterized in that, described the first coupling circuit and the second coupling circuit are power line coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575049.0U CN203504644U (en) | 2013-09-17 | 2013-09-17 | Indoor audio calling system using power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575049.0U CN203504644U (en) | 2013-09-17 | 2013-09-17 | Indoor audio calling system using power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504644U true CN203504644U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320575049.0U Expired - Fee Related CN203504644U (en) | 2013-09-17 | 2013-09-17 | Indoor audio calling system using power line |
Country Status (1)
| Country | Link |
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| CN (1) | CN203504644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442153A (en) * | 2013-09-17 | 2013-12-11 | 黎辉 | Indoor audio calling system using power line |
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2013
- 2013-09-17 CN CN201320575049.0U patent/CN203504644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442153A (en) * | 2013-09-17 | 2013-12-11 | 黎辉 | Indoor audio calling system using power line |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20180917 |