CN214799526U

CN214799526U - POE switch with wireless power supply

Info

Publication number: CN214799526U
Application number: CN202121184244.1U
Authority: CN
Inventors: 颜任遨; 郭敏; 蒋汉柏; 杨春雷
Original assignee: Hunan Fullriver High Technology Co ltd
Current assignee: Hunan Fullriver High Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-19
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a POE switch with wireless power supply, which comprises an exchange processing module, wherein the exchange processing module is used for realizing data interaction; the POE control module is used for providing POE power supply; the wireless charging coil is used for generating an alternating magnetic field; the input end of the power supply module is used for being connected with commercial power and converting the commercial power into direct current; the input end of the DC/DC converter is connected with the output end of the power module, the exchange processing module and the POE control module are respectively connected with the output end of the DC/DC converter, and the wireless charging coil is connected with the output end of the DC/DC converter through the inverter; the network port module, the data transmission end of network port module links to each other with exchange processing module, and the power supply end of network port module links to each other with POE control module. The POE power supply and wireless charging functions can be provided simultaneously, and the requirement of supplying power to equipment with different interfaces simultaneously is met.

Description

POE switch with wireless power supply

Technical Field

The utility model relates to a switch field, specificly relate to a POE switch with wireless power supply.

Background

With the development of network technology, a wide variety of communication devices have been developed. Local area network switches play a vital role in local area networks such as enterprises, departments, work groups, and the like. As a most common local area network switch, a desktop switch is widely used in general offices, small machine rooms, business departments with centralized business handling, multimedia manufacturing centers, website management centers, and the like.

Compared with a common switch, the desktop type PoE (Power over Ethernet) switch can supply power to PD (powered device) equipment such as a wireless AP (access point), a network telephone and a network camera through a network cable. Currently, most PoE switches and their powered devices use RJ45 (Registered Jack 45) interfaces for power transmission.

Wireless charging technology, also called inductive charging, utilizes the near field effect to transfer energy from a power supply device (charger) to a powered device. Currently, some powered devices, such as mobile phones, bluetooth headset pods, etc., contain both a wireless charging coil and a wired charging interface. Because the socket in the office area is limited, the devices such as the mobile phone, the Bluetooth headset cabin and the like are difficult to charge in a wired mode through the socket; and the use of a wireless charging pad may occupy a socket and a certain space. Therefore, the problem of how to combine wireless charging with existing power supply devices is increasingly emerging. While the existing PoE switch only supports the RJ45 interface for power supply, such a switch with a single function obviously cannot meet the requirement of simultaneously supplying power to devices with different interfaces.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a POE switch with wireless power supply can satisfy the demand of the equipment power supply of giving different interfaces simultaneously.

According to the utility model discloses POE switch with wireless power supply, include: the exchange processing module is used for realizing data interaction; the POE control module is used for providing POE power supply; a wireless charging coil to generate an alternating magnetic field; the input end of the power supply module is used for being connected with commercial power and converting the commercial power into direct current; the input end of the DC/DC converter is connected with the output end of the power supply module, the exchange processing module and the POE control module are respectively connected with the output end of the DC/DC converter, and the wireless charging coil is connected with the output end of the DC/DC converter through an inverter; and the data transmission end of the network port module is connected with the exchange processing module, and the power supply end of the network port module is connected with the POE control module.

According to the utility model discloses POE switch with wireless power supply has following technological effect at least: the utility model discloses power module converts the commercial power of external input into the direct current among the embodiment, DC/DC converter provides corresponding operating voltage for different devices after stepping down the direct current, thereby the DC-to-ac converter with DC/DC converter output converts the alternating current into the alternating current and produces alternating magnetic field for wireless charging coil and charge for other equipment are wireless, the mutual data of switch processing module operation transmit to other network equipment through net gape module, POE control module provides the POE power supply for the net gape module according to the agreement, make the equipment of connecting the net gape module need not additionally to dispose other powers. The utility model discloses can enough provide wireless charging and can provide the POE power supply again, can satisfy the demand of the equipment power supply of giving different interfaces simultaneously.

According to some embodiments of the present invention, the switching device further comprises a storage module, the storage module being connected to the switching processing module.

According to some embodiments of the present invention, the switching processing module further comprises a reset circuit, the reset circuit being connected to the switching processing module.

According to some embodiments of the present invention, the switching device further comprises an indicator light module, the indicator light module being connected to the switching processing module.

The switching processing module is connected with the switching processing module through a clock circuit.

According to some embodiments of the utility model, wireless charging coil includes coil L5, oscillator U3, MOS pipe M1 and a plurality of electric capacity, oscillator U3's output is connected MOS pipe M1's grid, MOS pipe M1's source ground connection, MOS pipe M1's drain electrode is connected the one end of coil L5 and a plurality of electric capacity, coil L5 and a plurality of electric capacity are parallelly connected each other, the output of inverter is connected to the other end of coil L5 and a plurality of electric capacity.

According to some embodiments of the utility model, the net gape module is including keeping apart wave filter and RJ45 interface, keep apart the wave filter and connect respectively exchange processing module with the RJ45 interface, POE control module connects keep apart the wave filter.

According to some embodiments of the invention, the model of the exchange processing module is RTL 8367N.

According to some embodiments of the invention, the model of the POE control module is PD 69104B.

According to some embodiments of the invention, the DC/DC converter is of model MP9487, MP1605, MP6002 or MP 1652.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic block diagram of a POE switch with wireless power supply according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of a wireless charging coil according to an embodiment of the present invention;

FIG. 3 is a schematic circuit diagram of a 55V-12V DC/DC converter according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a 12V-3.3V DC/DC converter according to an embodiment of the present invention.

Reference numerals

Switching processing module 100, storage module 110, reset circuit 120, indicator light module 130, clock circuit 140, POE control module 200, PD module 210, wireless charging coil 300, power module 400, DC/DC converter 500, inverter 510, net gape module 600, isolation filter 610, RJ45 interface 620.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 for the present invention, a POE switch with wireless power supply includes a switching processing module 100, a POE control module 200, a wireless charging coil 300, a power module 400, a DC/DC converter 500, and a network interface module 600. The switching module in this embodiment is of a model number RTL8367N, which is used to implement information exchange in a communication process, an input end of the DC/DC converter 500 is connected to an output end of the power module 400, the power module 400 is used to convert ac mains supply into DC power supply voltage of about 55V, and the DC/DC converter 500 is used to step down the power supply voltage to 12V, 5V, 3.3V, 1.5V, etc. to provide appropriate voltages for different devices in the switch. Preferably, in the present embodiment, the DC/DC converter 500 uses power conversion chips with model numbers MP6002 and MP1652, refer to the circuit diagram of the 12VDC-DC converter 500 in fig. 3, and step down the 55V power supply voltage to the 12V operating voltage, refer to fig. 4, and the MP1652 power conversion chip converts the 12V operating voltage to the 3.3V operating voltage, and may further output voltages of 5V, 1.5V, and the like according to different power conversion chips.

The switching processing module 100 and the POE control module 200 are respectively connected to the output end of the DC/DC converter 500 to obtain a working power, the wireless charging coil 300 is connected to the output end of the DC/DC converter 500 through the inverter 510, and the inverter 510 is configured to convert direct current into alternating current so as to supply power through the wireless charging coil. Referring to fig. 2, the wireless charging coil 300 includes a coil L5, an oscillator U3, a MOS transistor M1 and capacitors C14-C17, an output terminal of the oscillator U3 is connected to a gate of the MOS transistor M1, a source of the MOS transistor M1 is grounded, a drain of the MOS transistor M1 is connected to one ends of a coil L5, a capacitor C16 and a capacitor C17, the coil L5, the capacitor C16 and the capacitor C17 are connected in parallel, the other ends of the coil L5, the capacitor C16 and the capacitor C17 are connected to a 5V output terminal of the inverter 510, one ends of the capacitor C14 and the capacitor C15 are connected to a 5V output terminal of the inverter 510, and the other end is grounded. Coil L5 is as the wireless charging coil, through forming LC resonant circuit with the electric capacity, produces the magnetic field according to the frequency that oscillator U3 set up to supply power to equipment, and the model of oscillator U3 is LTC6992 in this embodiment.

The network port module 600 includes an isolation filter 610 and an RJ45 interface 620, the isolation filter 610 is connected to the switching processing module 100 and the RJ45 interface 620 respectively, POE control module 200 is connected to the isolation filter 610, data of the RJ45 interface 620 enters the switching processing module 100 from the isolation filter 610 for interaction, a power supply provided by the POE control module 200 supplies power to a device connected to the RJ45 interface 620 through the isolation filter 610, the isolation filter 610 is used for filtering noise in network signals and playing a role in isolation and interference resistance, the POE control module 200 is used for enabling the switch to supply power to the device connected to the RJ45 interface according to the protocol IEEE 802.3af/at, and preferably, the model of the POE control module 200 is PD 69104B.

The switch module further comprises a storage module 110, the storage module 110 is connected to the switch processing module 100, and the storage module 110 is used for initializing the whole switch and can store a mode of switch initialization and the like. In particular, the memory module 110 may employ a high-speed memory circuit EEPROM to increase the data writing speed.

The switch further comprises a reset circuit 120, the reset circuit 120 is connected to the switching processing module 100, and the reset circuit 120 is configured to output a reset signal to reset the switch. After the reset operation is executed, the historical data in the switch is cleared, so that a new user or a new application scene can be conveniently used.

The system further comprises an indicator light module 130, and the indicator light module 130 is connected with the exchange processing module 100. The indicator light module 130 is used for representing that the switch is in different working conditions through flickering different colors and/or frequencies, for example, when the indicator light module 130 is shiny green, the representation switch normally receives signals, when the indicator light module 130 is shiny red, the representation switch fails to receive signals, and when the indicator light module 130 is shiny yellow with certain frequency, the representation switch has a fault and needs to be overhauled. Specifically, the indicator light module 130 may employ an LED indicator light.

The system further comprises a clock circuit 140, and the clock circuit 140 is connected with the switching processing module. Clock circuit 140 is used to provide a reference clock signal to other devices in the switch to synchronize the other devices and facilitate their coordinated operation.

To sum up, the utility model discloses power module converts the commercial power of external input into direct current, DC/DC converter provides corresponding operating voltage for different devices after stepping down the direct current, thereby DC-to-ac converter 510 converts the direct current of DC/DC converter output into the alternating current and produces alternating magnetic field for wireless charging coil and charge for other equipment are wireless, the mutual data of switch processing module operation transmit to other network equipment through net gape module, POE control module provides the POE power supply for net gape module according to the agreement for the equipment of connecting net gape module need not additionally to dispose other powers. The utility model discloses can enough provide wireless charging and can provide the POE power supply again, can satisfy the demand of the equipment power supply of giving different interfaces simultaneously.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A POE switch with wireless power supply, comprising:

a switching processing module (100), wherein the switching processing module (100) is used for realizing data interaction;

a POE control module (200), the POE control module (200) being configured to provide POE power;

a wireless charging coil (300), the wireless charging coil (300) to generate an alternating magnetic field;

the power supply module (400), the input end of the power supply module (400) is used for connecting the commercial power and converting the commercial power into direct current;

the input end of the DC/DC converter (500) is connected with the output end of the power supply module (400), the exchange processing module (100) and the POE control module (200) are respectively connected with the output end of the DC/DC converter (500), and the wireless charging coil (300) is connected with the output end of the DC/DC converter (500) through an inverter (510);

net gape module (600), the data transmission end of net gape module (600) with exchange processing module (100) link to each other, the power pack end of net gape module (600) with POE control module (200) link to each other.

2. The POE switch with wireless power supply of claim 1, wherein: the device also comprises a storage module (110), wherein the storage module (110) is connected with the exchange processing module (100).

3. The POE switch with wireless power supply of claim 1, wherein: the switching device further comprises a reset circuit (120), wherein the reset circuit (120) is connected with the switching processing module (100).

4. The POE switch with wireless power supply of claim 1, wherein: the system also comprises an indicator light module (130), wherein the indicator light module (130) is connected with the exchange processing module (100).

5. The POE switch with wireless power supply of claim 1, wherein: the switching device also comprises a clock circuit (140), wherein the clock circuit (140) is connected with the switching processing module (100).

6. The POE switch with wireless power supply of claim 1, wherein: the wireless charging coil (300) comprises a coil L5, an oscillator U3, a MOS tube M1 and a plurality of capacitors, wherein the output end of the oscillator U3 is connected with the grid electrode of the MOS tube M1, the source electrode of the MOS tube M1 is grounded, the drain electrode of the MOS tube M1 is connected with one ends of the coil L5 and the capacitors, the coil L5 and the capacitors are connected in parallel, and the other ends of the coil L5 and the capacitors are connected with the output end of the inverter (510).

7. The POE switch with wireless power supply of claim 1, wherein: the network port module (600) comprises an isolation filter (610) and RJ45 interfaces (620), the isolation filter (610) is respectively connected with the exchange processing module (100) and the RJ45 interfaces (620), and the POE control module (200) is connected with the isolation filter (610).

8. The POE switch with wireless power supply of claim 1, wherein: the model of the exchange processing module (100) is RTL 8367N.

9. The POE switch with wireless power supply of claim 1, wherein: the POE control module (200) is PD 69104B.

10. The POE switch with wireless power supply of claim 1, wherein: the DC/DC converter (500) is one or more of MP9487, MP1605, MP6002 and MP 1652.