CN215990838U - POE power converter - Google Patents
POE power converter Download PDFInfo
- Publication number
- CN215990838U CN215990838U CN202122636987.4U CN202122636987U CN215990838U CN 215990838 U CN215990838 U CN 215990838U CN 202122636987 U CN202122636987 U CN 202122636987U CN 215990838 U CN215990838 U CN 215990838U
- Authority
- CN
- China
- Prior art keywords
- power supply
- poe
- input
- communication
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 6
- 230000006641 stabilisation Effects 0.000 claims abstract description 4
- 238000011105 stabilization Methods 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Power Sources (AREA)
Abstract
The utility model relates to a POE power converter, which comprises a POE input, a network signal transformer, a hundred-million bridging IC and a DC/DC processing module; POE input, wherein the POE input is separated into 2 groups of electric signals, 1 group is communication electric signals, and the other 1 group is power supply signals; the 4 lines of the communication electric signals are input into a network signal transformer firstly, then input into a hundred-million bridging IC to generate 2 paths of communication signals, and then are filtered by an inductor to form 2 paths of USB signals which are connected into a communication USB female seat for output; the 4 lines of the power supply signal are firstly combined into 2 lines of 48V power supply, the 2 lines of 48V power supply are input into the DC/DC processing module, the voltage is reduced, the 5V _ POE special 5V power supply output is formed through filtering and isolation, the 5V/2A power supply is formed through further voltage stabilization and filtering, and the power supply is connected into the power supply USB female seat for output. According to the utility model, aiming at the communication and power consumption requirements of the current equipment, a special power converter is arranged aiming at the POE input, the POE input is separated into the USB signal output and the USB2A power supply output, and the use requirements of the field equipment can be better met.
Description
Technical Field
The utility model relates to power supply conversion power supply and communication equipment, in particular to POE-to-USB equipment.
Background
In order to improve the field wiring efficiency, POE wiring forms are adopted in many wiring fields at present; poe (power Over ethernet) refers to a technology that can provide dc power for some IP-based terminals (such as IP phones, wireless lan access points AP, network cameras, etc.) while transmitting data signals for such devices, without any modification to the existing ethernet cat.5 wiring infrastructure. POE, also known as Power over local area network (POL) or Active Ethernet (Active Ethernet), sometimes referred to simply as Power over Ethernet, is a recent standard specification for simultaneously transferring data and electrical Power using existing standard Ethernet transmission cables, and maintains compatibility with existing Ethernet systems and users. And POE wiring is adopted, so that wiring complexity can be greatly reduced, and meanwhile, the original network cable wiring can be utilized for arrangement, and new network equipment is arranged. At present, standard POE power supply mostly adopts 4&5 and 7&8 lines in a network cable for power supply, and 48V direct current power supply is adopted for reducing loss; the equipment supporting the POE interface can be directly inserted for use.
However, in practical use, besides the devices supporting POE, most network devices do not support 48V power supply, and mostly support 5V power supply and signal transmission based on USB interface, in order to improve the field use efficiency, it is necessary to convert the POE interface, through a special POE power converter, into USB output, connect with a laptop, etc., to realize power supply to the devices, and provide wired network signals.
A solution is provided for a PoE-to-USB power supply device with chinese patent publication No. CN207490950U, but a relatively separated power supply and signal processing mode are adopted in an actual circuit; in combination with the current USB-based device usage requirements, it is necessary to further improve the circuit structure of the POE power converter, so as to meet the current usage requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a POE power converter, which converts POE input into USB output, supports wired output of USB network signals and independent USB power supply, and meets the use requirement of current USB equipment.
In order to achieve the purpose of the utility model, the utility model provides a POE power converter, which comprises a POE input, a network signal transformer, a hundred-million bridging IC and a DC/DC processing module;
POE input, wherein the POE input is separated into 2 groups of electric signals, 1 group is communication electric signals, and the other 1 group is power supply signals;
the 4 lines of the communication electric signals are input into a network signal transformer firstly, then input into a hundred-million bridging IC to generate 2 paths of communication signals, and then are filtered by an inductor to form 2 paths of USB signals which are connected into a communication USB female seat for output;
the 4 lines of the power supply signal are firstly combined into 2 lines of 48V power supply, the 2 lines of 48V power supply are input into the DC/DC processing module, the voltage is reduced, the 5V _ POE special 5V power supply output is formed through filtering and isolation, the 5V/2A power supply is formed through further voltage stabilization and filtering, and the power supply is connected into the power supply USB female seat for output.
As a further improvement of the utility model, after the communication electric signal 4 lines are input into the network signal transformer, 2 POE protocol auxiliary signals, CT1 and CT2, are tapped and output.
As a further improvement of the utility model, the hundred million bridging IC is also provided with an indication signal output which is converted and output by a communication indicator lamp circuit to light an LED indicator lamp.
As a further improvement of the utility model, an isolation anti-reverse diode is arranged in front of a 5V power supply output port of the communication USB female socket.
The POE power converter takes the RJ45 interface as POE input, and separates the POE input into 2 groups of electric signals, wherein 1 group is a communication electric signal, and the other 1 group is a power supply signal. The communication electric signal is processed by the hundred mega bridge IC, converted into a USB signal, output through the communication USB female seat and communicated with equipment; and the power supply signal converts the 48V power supply input into 5V/2A through the DC/DC processing module, and the power supply signal is output by the power supply USB female socket to provide pure power supply and support 10W quick charging.
According to the utility model, aiming at the communication and power consumption requirements of the current equipment, a special power converter is arranged aiming at the POE input, the POE input is separated into the USB signal output and the USB2A power supply output, and the use requirements of the field equipment can be better met.
Drawings
Fig. 1 is a schematic circuit diagram of the POE power converter of the present invention;
fig. 2 is a circuit diagram of POE signal splitting according to the present invention;
FIG. 3 is a circuit diagram of the communication signal conversion circuit of the present invention;
FIG. 4 is a USB communication output circuit diagram according to the present invention;
FIG. 5 is a circuit diagram of a communication indicator light of the present invention;
FIG. 6 is a diagram of a DC/DC converter circuit according to the present invention;
FIG. 7 is a circuit diagram of the USB5V/2A output circuit of the present invention.
Detailed Description
The utility model is further described below with reference to the following figures and specific examples.
As shown in fig. 1, the schematic circuit diagram of the POE power converter of the present invention is that an RJ45 interface is used as POE input, and after the POE input, the RJ-45 interface and the POE signal definition are used to separate the POE input into 2 groups of electrical signals, one group being a communication electrical signal, and the other group being a power supply signal. Wherein, the communication electric signal is processed by a hundred million bridging IC, converted into a USB signal, output by the USB female seat 1 and can be communicated with equipment; and the power supply signal is to convert the 48V power supply input into 5V/2A through POE separation and a DC/DC processing module, and the output is carried out by the USB female socket 2, so that pure power supply is provided, and 10W quick charging is supported. And meanwhile, the DC/DC processing module is also provided with a POE separation function, and the high-voltage part in the separated communication electric signal is used as auxiliary input for processing.
As shown in fig. 2, the POE signal splitting circuit is configured to input POE signals input from an RJ-45 interface, where 1#, 2#, 3#, and 6# are input signals, processed by a transformer (HR601680P), and then transmitted to a hundred million bridge IC; and 4# &5# and 7# &8# in the POE signals are 48V power supply input, are combined into SP1 and SP2 and are transmitted to the DC/DC processing module.
Wherein, the communication electrical signal conversion circuit, as shown in fig. 3, inputs 4 network signals processed by the transformer, and processes the signals by a hundred mega bridge IC (RTL8152B) to generate 2 channels of communication signals, and then forms 2 channels of USB signals, which are respectively DP and DM, through inductive filtering, and finally outputs the signals through the USB communication output structure shown in fig. 4, i.e. the USB female socket 1; the hundred million bridging IC (RTL8152B) also has an indication signal output which is converted by a communication indicator light circuit as shown in FIG. 5 to indicate the current signal connection state by illuminating an LED.
If the power is supplied by 48V, the power is input into a DC/DC conversion circuit shown in fig. 6, and is converted by a DC/DC conversion IC (Si3402B), SP1 and SP2 are input after being processed by filter inductance, and CT1 and CT2 tapped by a transformer are input after being processed by filter inductance and are used as POE protocol input; after processing, continuing power supply filtering and optical coupling isolation to form 5V _ POE special 5V power supply output; the power supply voltage stabilization and filtering as shown in fig. 7 form 5V/2A power supply, and the power supply is output through the USB socket 2.
The POE power converter converts POE input into 2 paths of USB output which are respectively used for communication and power supply; aiming at the USB female socket 1 with USB signal output, the VCC power supply interface is also provided with a diode to prevent the power from flowing backwards after the external equipment is connected with the USB interface; the 1-channel USB2A power supply interface is independently arranged and used for charging equipment, and the field use requirement is greatly facilitated.
According to the utility model, aiming at the communication and power consumption requirements of the current equipment, a special power converter is arranged aiming at the POE input, the POE input is separated into the USB signal output and the USB2A power supply output, and the use requirements of the field equipment can be better met.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
- The POE power converter is characterized by comprising a POE input, a network signal transformer, a hundred-million bridging IC and a DC/DC processing module;POE input, wherein the POE input is separated into 2 groups of electric signals, 1 group is communication electric signals, and the other 1 group is power supply signals;the 4 lines of the communication electric signals are input into a network signal transformer firstly, then input into a hundred-million bridging IC to generate 2 paths of communication signals, and then are filtered by an inductor to form 2 paths of USB signals which are connected into a communication USB female seat for output;the 4 lines of the power supply signal are firstly combined into 2 lines of 48V power supply, the 2 lines of 48V power supply are input into the DC/DC processing module, the voltage is reduced, the 5V _ POE special 5V power supply output is formed through filtering and isolation, the 5V/2A power supply is formed through further voltage stabilization and filtering, and the power supply is connected into the power supply USB female seat for output.
- 2. The POE power converter of claim 1, wherein the communication signal is input to the network signal transformer at 4 lines, and then 2 POE protocol auxiliary signals, CT1 and CT2, are tapped.
- 3. The POE power converter as claimed in claim 1, wherein the hundred million bridging ICs are further provided with an indication signal output, and the indication signal output is converted by a communication indication lamp circuit to light an LED indication lamp.
- 4. The POE power converter of claim 1, wherein an isolation anti-reverse diode is disposed in front of a 5V power outlet of the communication USB female socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636987.4U CN215990838U (en) | 2021-10-28 | 2021-10-28 | POE power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122636987.4U CN215990838U (en) | 2021-10-28 | 2021-10-28 | POE power converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215990838U true CN215990838U (en) | 2022-03-08 |
Family
ID=80511476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122636987.4U Expired - Fee Related CN215990838U (en) | 2021-10-28 | 2021-10-28 | POE power converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215990838U (en) |
-
2021
- 2021-10-28 CN CN202122636987.4U patent/CN215990838U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110460449B (en) | Repeater and power supply method | |
| CN110289972B (en) | Network equipment and network system based on Ethernet | |
| CN101753319B (en) | Network equipment | |
| WO2013078969A1 (en) | Charger of integrated network interface conversion device | |
| AU2013265061B2 (en) | An electrical system adapted to transfer data and power between devices on a network | |
| CN209448743U (en) | A kind of relay amplification device and relay amplifier | |
| CN215990838U (en) | POE power converter | |
| CN215072745U (en) | Signal transmission device | |
| CN106712970A (en) | Equipment for conversion between power line carrier port and power-over-ethernet port | |
| CN110602821A (en) | POE power supply-based light control system, method and storage medium | |
| CN210112026U (en) | POE signal switching equipment | |
| CN212086216U (en) | High-power photoelectric isolation POE module | |
| CN208143218U (en) | The equipment and paired device of cable data communication are just realized in a kind of plug-in | |
| CN205921705U (en) | Decoder | |
| CN219420782U (en) | Intelligent gateway equipment and building management system | |
| CN209088978U (en) | A kind of power supply photoelectric conversion device of more power output interfaces | |
| CN221177728U (en) | Ethernet interface interconnection circuit | |
| CN216772411U (en) | 4-channel RS485 expansion board based on anti-surge technology | |
| CN112202572B (en) | POE power transmission device, POE switch and POE system | |
| CN208890817U (en) | A kind of interchanger | |
| US12126123B2 (en) | USB electronic device having functionality of electric leakage protection | |
| CN220586153U (en) | Intelligent patch board capable of distributing power | |
| EP2741428A1 (en) | Network access device with power line communication capability | |
| CN209913192U (en) | Network power supply switching device | |
| CN214014587U (en) | Street lamp controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |