CN202663418U - Ethernet power supply network digital amplification system - Google Patents
Ethernet power supply network digital amplification system Download PDFInfo
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- CN202663418U CN202663418U CN 201220276080 CN201220276080U CN202663418U CN 202663418 U CN202663418 U CN 202663418U CN 201220276080 CN201220276080 CN 201220276080 CN 201220276080 U CN201220276080 U CN 201220276080U CN 202663418 U CN202663418 U CN 202663418U
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Abstract
The utility model discloses an Ethernet power supply network digital amplification system, comprising a signal receiving module, a network transmission module, a signal processing module and a signal sending module. The signal receiving module is electrically connected with the network transmission module; the signal processing module is electrically connected with the signal sending module. The system also comprises a power supply module which is electrically connected with the signal receiving module. The network transmission module, the signal processing module and the signal sending module are electrically connected with the signal receiving module respectively. With the abovementioned mode, a function that a network cable can transmit audio signals and also can supply power to an overall unit is realized, and a problem of noise interference caused by a long-distance transmission line of simulation signals is effectively overcome.
Description
Technical field
The utility model relates to network communications technology field, relates in particular to a kind of power over ethernet supply network digital power amplifier system.
Background technology
The disclosed Ethernet remote power feeding of the Chinese patent of the patent No. 200520130124.8 equipment, comprise holding wire, the power line of electric power system, the output connecting line of power amplifier audio amplifier, and grid line, the holding wire of other kind often needs pre-buried processing, because the kind of line is many, distance is different in size, and the impact of the human factor in the Embedment Construction process, can cause final sound reinforcement system to debug the probability that breaks down large, noise is difficult to the technical problems such as control, simultaneously because pre-buried various holding wires, power line, the hardware of system consist of cost and also can remain high.
The utility model content
The utility model provides power over ethernet supply network digital power amplifier system for shortcoming of the prior art, can save the power devices construction, neatly erection unit.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of power over ethernet supply network digital power amplifier system that the utility model provides, comprise signal receiving module, network transmission module, signal processing module and sending module, signal receiving module is connected with network transmission module, signal processing module is connected with sending module, this system also comprises supply module, supply module is connected with signal receiving module, and network transmission module, signal processing module are connected with signal receiving module respectively.
More specifically, described signal receiving module comprises first interface and the second interface, and described first interface is connected with network transmission module, and described the second interface is connected with supply module.
More specifically, described signal processing module comprises signal converter and audio-frequency power amplifier.
More specifically, the input of described signal converter is connected with network transmission module, and the output of signal converter is connected with the input of audio-frequency power amplifier, and the output of audio-frequency power amplifier is connected with signal transmitting module.
More specifically, described supply module also comprises an electric pressure converter, and the input of this electric pressure converter is connected with the second interface of signal receiving module, and the output of electric pressure converter is connected with network transmission module, signal processing module respectively.
The beneficial effects of the utility model are: the power over ethernet supply network digital power amplifier system that the utility model provides, need not to carry out loaded down with trivial details power-supply wiring, can not only save power devices construction and maintenance cost, can also save expensive electrician's expense, also save simultaneously and arranged the installation required time of electric power system; During deployment facility, also needn't go again to consider whether supply socket is enough long, can be installed in neatly the optional position of far-end; In addition, the utility model is supported the 802.3at standard, the maximum output power maximum of single port reaches 24W, and safe and reliable, can carry out the power supply centrally connected power supply, backup is convenient, simultaneously, power supply unit is accessed UPS, in case the main power source input is interrupted, can guarantee that also system normally moves, can also effectively overcome the noise jamming problem that the long Distance Transmission line of analog signal causes.
Description of drawings
Fig. 1 is power over ethernet supply network digital power amplifier system configuration block diagram described in the utility model;
Description of reference numerals:
The second interface 12 in the signal receiving module
Supply module is to CobraNet network interface card power supply 51
Supply module is to power amplifier power supply 52
Embodiment
For the technical solution of the utility model and beneficial effect can more clearly be showed, below in conjunction with drawings and Examples, the utility model is further elaborated.
Please refer to Fig. 1, the power over ethernet supply network digital power amplifier system that the utility model provides, comprise signal receiving module 10, network transmission module 20, signal processing module 30, signal transmitting module 40 and supply module 50, signal receiving module 10 is connected to transmit the first network audio signal with network transmission module 20, network transmission module 20 is in order to process the network audio signal decoding, network transmission module 20 will be processed signal later and be transferred to signal processing module 30, signal processing module 30 is used for the network audio signal is carried out analog-to-digital conversion, digital-to-analogue conversion is processed and is transferred to power amplifier and carries out the signal amplification, signal after will amplifying at last is transferred to signal transmitting module 40, and the signal after signal transmitting module 40 will be amplified reduces to be processed and send.
Described supply module 50 is connected with signal receiving module 10 and is used for receiving power supply source, the input of described signal converter is connected with the output of network transmission module 20, the output of signal converter is connected with the input of audio-frequency power amplifier, and the output of audio-frequency power amplifier is connected with signal transmitting module.
Described signal receiving module 10 comprises two interfaces, and first interface 11 is connected with the transmission network audio signal with network transmission module 20, and the second interface 12 is connected to accept power supply with supply module 50; Signal processing module 30 comprises an audio-frequency power amplifier, is transferred to sending module 40 for the network audio signal being amplified and will processing signal 31 later; Comprise an electric pressure converter in the supply module 50, the input of electric pressure converter is connected with the second interface of signal receiving module, the output of electric pressure converter and network transmission module are with transmission power supply source 51, and the output of electric pressure converter is connected to transmit power supply source 52 with signal processing module 30.
The supply power voltage representative value is 48V, and the permission maximum current is 550mA, and the voltage of process supply module 50 is converted to the voltage that is fit to built-in modules work through described electric pressure converter, thereby guarantees the normal operation of complete machine.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. power over ethernet supply network digital power amplifier system, comprise signal receiving module (10), network transmission module (20), signal processing module (30) and signal transmitting module (40), signal receiving module (10) is electrically connected with network transmission module (20), signal processing module (30) is electrically connected with signal transmitting module (40), it is characterized in that: also comprise supply module (50), supply module (50) is electrically connected network transmission module (20) with signal receiving module (10), signal processing module (30) all is electrically connected with signal receiving module (10).
2. pin power over ethernet supply network digital power amplifier according to claim 1 system, it is characterized in that: described signal receiving module (10) comprises first interface (11) and the second interface (12), described first interface (11) is electrically connected with described network transmission module (20), and described the second interface (12) is electrically connected with described supply module (50).
3. power over ethernet supply network digital power amplifier according to claim 1 system, it is characterized in that: described signal processing module (30) comprises signal converter and audio-frequency power amplifier.
4. power over ethernet supply network digital power amplifier according to claim 3 system, it is characterized in that: the input of described signal converter is connected with network transmission module (20), the output of signal converter is connected with the input of audio-frequency power amplifier, and the output of audio-frequency power amplifier is connected with signal transmitting module (40).
5. power over ethernet supply network digital power amplifier according to claim 1 system, it is characterized in that: described supply module also comprises an electric pressure converter, the input of this electric pressure converter is connected with second interface (12) of signal receiving module (10), and the output of electric pressure converter is connected with network transmission module (20), signal processing module (30) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276080 CN202663418U (en) | 2012-06-12 | 2012-06-12 | Ethernet power supply network digital amplification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276080 CN202663418U (en) | 2012-06-12 | 2012-06-12 | Ethernet power supply network digital amplification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663418U true CN202663418U (en) | 2013-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276080 Expired - Fee Related CN202663418U (en) | 2012-06-12 | 2012-06-12 | Ethernet power supply network digital amplification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801537A (en) * | 2012-06-12 | 2012-11-28 | 东莞市龙健电子有限公司 | Digital power amplification system of Ethernet power source electricity network |
-
2012
- 2012-06-12 CN CN 201220276080 patent/CN202663418U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801537A (en) * | 2012-06-12 | 2012-11-28 | 东莞市龙健电子有限公司 | Digital power amplification system of Ethernet power source electricity network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20160612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |