CN205213025U - Concentrate power supply smallpox loudspeaker - Google Patents
Concentrate power supply smallpox loudspeaker Download PDFInfo
- Publication number
- CN205213025U CN205213025U CN201520998852.4U CN201520998852U CN205213025U CN 205213025 U CN205213025 U CN 205213025U CN 201520998852 U CN201520998852 U CN 201520998852U CN 205213025 U CN205213025 U CN 205213025U
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- China
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- network
- power supply
- ceiling speaker
- power
- poe switch
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Abstract
The utility model provides a concentrate power supply smallpox loudspeaker, including being used for being provided with RJ45 network interface on the smallpox loudspeaker to the POE switch of power supply of smallpox loudspeaker and transmission network data, the power management circuit that is used for the network decoder module of network data transmission process and is used for supplying power, RJ45 network interface is connected with network decoder module and power management circuit respectively, be equipped with a plurality of interfaces on the POE switch, the POE switch is connected with RJ45 network interface through the internet access line, the POE switch is connected with the outer net simultaneously. Need not to the smallpox loudspeaker increase extra power adapter, reduced the wiring operation of power cord, be favorable to reducing user's use cost, have very strong practicality.
Description
Technical field
The utility model relates to loudspeaker technical field, is specifically related to a kind of centrally connected power supply ceiling speaker.
Background technology
Ceiling speaker is a kind of electro-acoustic transducing device installed on the ceiling, is the important public address equipment in Public Address system.After the audio-frequency electric power signal that sound amplifier inputs by ceiling speaker converts acoustical power signal to, be radiated in the space needed for sound in the mode of sound wave.Be widely used in the various places such as guests, hotel, factory, school, market, supermarket, club, villa, the reduction apparatus of the various sound such as music, fire broadcast, paging broadcast, public broadcasting as a setting.
Existing ceiling speaker receives data by Internet Transmission and when playing, need external power adapter to be that it is powered, meanwhile network ceiling speaker also needs connected with network cable to carry out transmission data.Therefore, ensure that ceiling speaker normally works, connect up while must power line and netting twine being carried out.Not only complex operation but also can increase the installation and maintenance cost of user, causes inconvenience to user.
Utility model content
The purpose of this utility model is to provide a kind of centrally connected power supply ceiling speaker, when this utility model to solve in prior art ceiling speaker receiving network data, needs the technical problem of simultaneously laying network reception circuit and supply line.
The utility model provides a kind of centrally connected power supply ceiling speaker, comprise for powering with the POE switch of transmitting network data, for the network decoding module of network data transmission process and the electric power management circuit for powering to ceiling speaker, ceiling speaker is provided with RJ45 network interface, RJ45 network interface is connected with electric power management circuit with network decoding module respectively; POE switch is provided with multiple interface, and POE switch is connected with RJ45 network interface by network connection; POE switch is connected with outer net simultaneously.
Further, network connection is Ethernet CAT-5 class line.
Further, electric power management circuit comprises PD power module and DC/DC treatment circuit, and RJ45 network interface is electrically connected with PD power module; PD power module and DC/DC treatment circuit are for electrical connection.
Further, DC/DC treatment circuit is electrically connected with network decoding module.
Further, also comprise digital power amplifier circuit, digital power amplifier circuit is electrically connected with PD power module and network decoding module respectively.
Further, MP8004 type network chip is provided with in PD power module.
Further, TAS5731 type power amplifier chips is provided with in digital power amplifier circuit.
Further, LPC1768 type network one chip is provided with in network decoding module.
Technique effect of the present utility model:
The utility model provides centrally connected power supply ceiling speaker by the RJ45 network interface place on ceiling speaker, POE (PowerOverEthernet) switch is connected by network connections such as Ethernet CAT-5, thus realize while transmitting network data, the electricity consumption module on ceiling speaker is powered.Without the need to increasing extra power supply adaptor for ceiling speaker, decreasing the wiring operations of power line, being conducive to the use cost reducing user, there is very strong practicality.
Specifically please refer to the following description of the various embodiments proposed according to centrally connected power supply ceiling speaker of the present utility model, above and other aspect of the present utility model will be made apparent.
Accompanying drawing explanation
Fig. 1 is the using state principle frame schematic diagram of the utility model centrally connected power supply ceiling speaker preferred embodiment.
Marginal data:
1, RJ45 network interface; 2, network decoding module; 3, PD power module; 4, DC/DC treatment circuit; 5, digital power amplifier circuit; 6, POE switch; 7, loudspeaker.
Embodiment
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Herein, POE refers to active Ethernet switch.Outer net refers to the Internet for transmitting data.
See Fig. 1, the centrally connected power supply ceiling speaker that the utility model provides comprises for powering with the POE switch 6 of transmitting network data, for the network decoding module 2 of network data transmission process and the electric power management circuit for powering to ceiling speaker, ceiling speaker is provided with RJ45 network interface 1, RJ45 network interface 1 to be connected with electric power management circuit with network decoding module 2 respectively; POE switch 6 is provided with multiple interface, and POE switch 6 is connected with RJ45 network interface 1 by network connection; POE switch 6 is connected with outer net simultaneously.POE switch 6 is used by existing method.After connecting by this connected mode, gained centrally connected power supply ceiling speaker, without the need to independent external power adapter, decreases cabling processes, improves the scope of application of ceiling speaker.
Based on this, by combining with the POE centrally connected power supply ceiling speaker of the present embodiment, POE switch can simultaneously as connection device and the power supply unit use of Internet Transmission, utilize an Ethernet CAT-5 class line POE switch 6 can be connected with the RJ45 network interface 1 on ceiling speaker, to realize network data transmission to ceiling speaker and power supply simultaneously, and without the need to increasing special power supply adaptor, decrease the wiring operations of power line, be also conducive to the use cost reducing user.
Preferably, network connection is the Ethernet CAT-5 class line of network speed for exporting 10M/100M and 24VDC voltage.Adopt such network to connect POE switch 6 in RJ45 network interface 1, the synchronous transmission to ceiling speaker voltage and network data can be realized.Ethernet CAT-5 class line can export network speed and the 24VDC voltage of 10M/100M.
Preferably, electric power management circuit comprises PD power module 3, digital power amplifier circuit 5 and DC/DC treatment circuit 4, RJ45 network interface 1 and is electrically connected with PD power module 3; PD power module 3 supplies to be electrically connected with digital power amplifier circuit 5 and DC/DC treatment circuit 4 respectively.The relatively high voltage signal that PD power module 3 rectifiable filtering inputs via RJ45 network interface 1, is delivered to digital power amplifier circuit 5 and DC/DC treatment circuit afterwards respectively by voltage signal.
Preferably, DC/DC treatment circuit 4 is electrically connected with network decoding module 2.Can power to other power circuit in network decoding module 2 and ceiling speaker after DC/DC treatment circuit 4 pairs of voltage signals carry out lowering and stabilizing blood pressure process.Institute's voltage supplied is 5VDC voltage.
During use, after centrally connected power supply ceiling speaker is connected with POE switch 6 by network connection, POE switch 6 course of work is as follows: POE switch 6 exports very little voltage at port, until it detects that the connection of cable terminations is the receiving end equipment supporting IEEE802.3af standard.After receiving end equipment PD power module 3 being detected, POE switch 6 assesses this power loss needed for PD power module 3.POE switch 6 starts to power from low-voltage to PD power module 3 afterwards, until provide the DC power supply of 48V.POE switch 6 passes through RJ45 interface 1 by network data transmission to network decoding module 2 simultaneously, network data transfers to digital power amplifier circuit 5 after network decoding module 2 is decoded, and decoded network data converts analog signal transmission to loudspeaker 7 through digital power amplifier circuit 5.
While realizing transmitting network data by above step, equipment is powered.
Preferably, for can the structure of reasonably optimizing centrally connected power supply ceiling speaker, ensure that network data signals and power supply signal reasonably can be divided into two paths of signals after entering into RJ45 network interface 1 with network connection: data signal and power supply signal road, also comprise digital power amplifier circuit 5, PD power module 3 with digital power amplifier circuit 5 for being electrically connected; Network decoding module 2 is electrically connected with digital power amplifier circuit 5.For the confession for transmitting data and output voltage is electrically connected between network decoding module 2 with RJ45 network interface 1.Digital power amplifier circuit 5 is connected to network decoding module 2 output.PD power module 3 connects digital power amplifier 5 and DC/DC treatment circuit 4 respectively and exports 12VDC voltage to both, to realize the power supply to both.
Preferably, the core parts of the network decoding module 2 of the present embodiment adopt LPC1768 type network one chip, the core parts of PD power module 3 then adopt MP8004 series of network chip, and the core parts of digital power amplifier circuit 5 then adopt TAS5731 series power amplifier chips; Certainly, also core parts that are dissimilar or model can be adopted according to actual design situation.Adopt effect of powering during above chip type better.It should be noted that, the module or the circuit that are provided with these chips are commercial equipment.
Clear scope of the present utility model is not restricted to example discussed above by those skilled in the art, likely carries out some changes and amendment to it, and does not depart from the scope of the present utility model of appended claims restriction.Although oneself is through detailed icon in the accompanying drawings and the description and describe the utility model, such explanation and to describe be only to illustrate or schematically, and nonrestrictive.The utility model is not limited to the disclosed embodiments.
By to accompanying drawing, the research of specification and claims, it will be appreciated by those skilled in the art that when implementing the utility model and realize the distortion of the disclosed embodiments.In detail in the claims, term " comprises " does not get rid of other steps or element, and indefinite article " " or " one " are not got rid of multiple.The fact of some measure of quoting in mutually different dependent claims does not mean that the combination of these measures can not be advantageously used.Any reference marker in claims does not form the restriction to scope of the present utility model.
Claims (8)
1. a centrally connected power supply ceiling speaker, it is characterized in that, comprise for powering with the POE switch of transmitting network data, for the network decoding module of network data transmission process and the electric power management circuit for powering to described ceiling speaker, described ceiling speaker is provided with RJ45 network interface, described RJ45 network interface is connected with described electric power management circuit with described network decoding module respectively;
Described POE switch is provided with multiple interface, and described POE switch is connected with described RJ45 network interface by network connection;
Described POE switch is connected with outer net simultaneously.
2. centrally connected power supply ceiling speaker according to claim 1, is characterized in that, described network connection is Ethernet CAT-5 class line.
3. centrally connected power supply ceiling speaker according to claim 2, is characterized in that, described electric power management circuit comprises PD power module and DC/DC treatment circuit, and described RJ45 network interface is electrically connected with described PD power module; Described PD power module and described DC/DC treatment circuit are for electrical connection.
4. centrally connected power supply ceiling speaker according to claim 3, is characterized in that, described DC/DC treatment circuit is electrically connected with described network decoding module.
5. centrally connected power supply ceiling speaker according to claim 4, is characterized in that, also comprises digital power amplifier circuit, and described digital power amplifier circuit is electrically connected with described PD power module and described network decoding module respectively.
6. centrally connected power supply ceiling speaker according to claim 3, is characterized in that, is provided with MP8004 type network chip in described PD power module.
7. centrally connected power supply ceiling speaker according to claim 3, is characterized in that, is provided with TAS5731 type power amplifier chips in described digital power amplifier circuit.
8. the centrally connected power supply ceiling speaker according to any one of claim 1 ~ 7, is characterized in that, is provided with LPC1768 type network one chip in described network decoding module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998852.4U CN205213025U (en) | 2015-12-03 | 2015-12-03 | Concentrate power supply smallpox loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998852.4U CN205213025U (en) | 2015-12-03 | 2015-12-03 | Concentrate power supply smallpox loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205213025U true CN205213025U (en) | 2016-05-04 |
Family
ID=55850710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520998852.4U Expired - Fee Related CN205213025U (en) | 2015-12-03 | 2015-12-03 | Concentrate power supply smallpox loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205213025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863221A1 (en) * | 2020-02-06 | 2021-08-11 | Lithe Audio LTD | Speaker system |
-
2015
- 2015-12-03 CN CN201520998852.4U patent/CN205213025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863221A1 (en) * | 2020-02-06 | 2021-08-11 | Lithe Audio LTD | Speaker system |
| US11544033B2 (en) | 2020-02-06 | 2023-01-03 | Lithe Audio Ltd | Speaker system |
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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: 20160504 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |