CN218998092U - Intelligent switch - Google Patents

Abstract

The utility model relates to the technical field of switches, in particular to an intelligent switch, which integrates the functions of a PoE switch, a charger and a docking station, provides power and data transmission for an output port through a PoE power supply circuit and a switch circuit, and provides a charging function and a data transmission function for a port connection module through a fast charging circuit and a switch circuit, so that all ports of the intelligent switch can provide power and output transmission capacity outwards, and the docking station can provide power and data transmission functions for back-end equipment at the same time, namely, a user side does not need to use two devices to charge and transmit data, and the intelligent switch is more convenient to use.

Description

Intelligent switch

Technical Field

The utility model relates to the technical field of switches, in particular to an intelligent switch.

Background

The short video development is rapid in life, electronic products such as mobile phones and the like are basically kept away from people, live broadcasting is carried out online, the short video becomes trend, the electric quantity of the electronic products at the user side is continuously consumed online, the live broadcasting is carried out online by ten thousands of people, meanwhile, the network requirements are strict, wireless network transmission data capacity such as WIFI and the like is limited, the data flow is too large, the jamming condition can occur, the charging capacity can not be provided under the condition of data, and additional charging machines are needed to provide electric power.

That is, the prior art has the following problems:

1. the existing charger can only charge;

2. the existing docking station does not support the function of a switch, cannot provide power and data for an AP (wireless access point), a camera and the like, can only provide data for a computer, a tablet and the like, and can provide charging capacity for a back-end computer only by additionally inserting a PD (power device) for supplying power to the computer;

3. the existing router can only provide data, and the downloading rate has too large current limiting capacity and can be blocked, so that the charging capability can not be provided.

In summary, in the prior art, devices such as a charger, a router, a docking station and the like can only provide one function, namely only provide a charging function or only provide a data transmission function, and cannot be compatible with the two functions, so that the use of a user side becomes troublesome.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the intelligent switch, and all ports can provide power and data transmission functions outwards, so that the use of a user side is more convenient.

In order to solve the technical problems, the utility model adopts the following technical scheme: the intelligent switch comprises an input power supply circuit, a PoE power supply circuit, a switch circuit and a fast charging circuit, wherein the input end of the input power supply circuit is connected with an external power supply, the output end of the input power supply circuit is connected with the input end of the PoE power supply circuit, and the PoE power supply circuit is provided with a plurality of output ports which are used for supplying power for an external load; the switch circuit comprises a first voltage conversion module, a second voltage conversion module and a switch controller U3, and the quick charging circuit comprises a charging output module, a charging adjustment module, a data conversion module and a port connection module; the output voltage of the input power supply circuit is subjected to voltage reduction processing by the first voltage conversion module and then is respectively input into the second voltage conversion module and the charging output module, the second voltage conversion module reduces the received voltage and then outputs the reduced voltage to the switch controller U3, the switch controller U3 is used for providing network port data for the output port and the data conversion module, the charging regulation module is used for detecting the type of external equipment and feeding back signals to the charging output module, the output end of the charging output module is connected with the port connection module, the charging output module is used for regulating the output voltage according to the feedback signals of the charging regulation module, the data conversion module converts the received network port data into the data type of the matching port connection module, and the port connection module is used for connecting the external equipment, supplying power for the external equipment and providing data.

Preferably, the input power supply circuit comprises an input rectifying module, a power management module, a transformer T2, a first output module and a feedback module, wherein an external power supply is input into the transformer T2 after passing through the rectifying function of the input rectifying module, the output end of the input rectifying module is connected with the power supply end of the power management module, the output end of the transformer T2 outputs direct-current voltage to the PoE power supply circuit and the first voltage conversion module after passing through the first output module, the input end of the feedback module is connected with the first output module, the output end of the feedback module is connected with the feedback end of the power management module, and the output end of the power management module is connected with the transformer T2.

Preferably, the power management module includes a power manager U4, a manager power supply unit, and an output management unit, where the output end of the input rectifying module supplies power to the power manager U4 through the management power supply unit, and the power manager U4 receives a feedback signal of the feedback module and adjusts the output voltage of the transformer T2 through the output management unit.

Preferably, the PoE power supply circuit includes a power supply controller U12 and at least four power supply output modules, the power supply end of the power supply controller U12 is connected with the output end of the first output module, the control end of the power supply output module is connected with the output end of the power supply controller U12, and the output end of the power supply output module supplies power to the external load through the output port.

Preferably, the power supply controller U12 is MP3924 or IP804A.

Preferably, the charging output module comprises an output controller U2, a resistor R11, a resistor R12, a resistor R110, an inductor L1 and a capacitor matrix, and the port connection module comprises a data interface J4, a switching tube Q18 and a switching tube Q19; the input end of the output controller U2 is connected with the output end of the first voltage conversion module, the output end of the output controller U2 is connected with one switch end of the switch tube Q18 through an inductor L1, the other switch end of the switch tube Q18 is connected with one switch end of the switch tube Q19, the other switch end of the switch tube Q19 is connected with the power supply end of the data interface J4, the control end of the switch tube Q18 is grounded through a resistor R89, the control end of the switch tube Q19 is connected with the output voltage transformation control module, and the data input end of the data interface J4 is connected with the data conversion module; the regulating signal output end of the charging regulating module is connected with the feedback end of the output controller U2 through a resistor R110, one end of a resistor R11 is connected with the output end of an inductor L1, the other end of the resistor R11 is grounded through a resistor R12, the other end of the resistor R11 is connected with the feedback end of the output controller U2, and two ends of a capacitor matrix are respectively connected with the output end and the ground end of the inductor L1.

Preferably, the port connection module further comprises a first adjusting unit and a second adjusting unit, one end of the first adjusting unit is connected with the output end of the charging output module, the other end of the first adjusting unit is grounded, the adjusting end of the first adjusting unit is connected with the charging adjusting module, and the first adjusting unit and the second adjusting unit are arranged in parallel; the first regulating unit comprises a resistor R14, a resistor R15, a resistor R109 and a switch tube Q13, the charging regulating module is connected with the control end of the switch tube Q13, the control end of the switch tube Q13 is grounded through the resistor R109, one switch end of the switch tube Q13 is grounded, the other switch end of the switch tube Q13 is connected with the output end of the voltage dropping module through the resistor R14, and the resistor R14 is connected in parallel with the resistor R15; the second regulating unit comprises a resistor R112 and a resistor R113, one end of the resistor R112 is connected with the output end of the charging output module, the other end of the resistor R112 is grounded through the resistor R113, and the other end of the resistor R112 is connected with the output voltage transformation control module.

Preferably, the fast charging circuit further comprises a working voltage providing module, an input end of the working voltage providing module is connected with an output end of the charging output module, the working voltage providing module is used for reducing the output voltage of the charging output module, and an output end of the working voltage providing module is connected with the charging adjusting module and the data conversion module.

Preferably, the model of the data conversion module is RTL8152B.

Preferably, the type of the switch controller U3 is RTL8309N.

The utility model has the beneficial effects that:

the intelligent switch integrates the functions of the PoE switch, the charger and the expansion dock, provides power and data transmission for the output port through the PoE power supply circuit and the switch circuit, and provides the charging function and the data transmission function for the port connection module through the quick charging circuit and the switch circuit, so that all ports of the intelligent switch can provide power and output transmission capacity outwards, and the functions of providing power and data transmission for the back-end equipment can be provided at the same time by inserting the intelligent switch into the expansion dock, namely, a user side does not need to use two devices to charge and transmit data, and the intelligent switch is more convenient to use.

Drawings

FIG. 1 is a signal block diagram of the present utility model;

FIG. 2 is a schematic circuit diagram of an input power circuit of the present utility model;

fig. 3 is a schematic circuit diagram of a PoE power supply circuit according to a first embodiment of the present utility model;

fig. 4 is a schematic circuit diagram of a PoE power supply circuit according to a second embodiment of the present utility model;

fig. 5 is a schematic circuit diagram of the switch controller U3 of the present utility model;

FIG. 6 is a schematic circuit diagram of a first voltage conversion module according to the present utility model;

FIG. 7 is a schematic circuit diagram of a second voltage conversion module according to the present utility model;

fig. 8 is a schematic circuit diagram of a second voltage conversion module according to a second embodiment of the utility model;

FIG. 9 is a schematic circuit diagram of a charge output module according to the present utility model;

FIG. 10 is a schematic circuit diagram of a charge conditioning module of the present utility model;

FIG. 11 is a schematic circuit diagram of a port connection module of the present utility model;

FIG. 12 is a schematic circuit diagram of an operating voltage providing module of the present utility model;

FIG. 13 is a schematic circuit diagram of a data conversion module according to the present utility model;

fig. 14 is a schematic circuit diagram of an output port of the present utility model.

The reference numerals in fig. 1 to 14 include:

1-input power supply circuit, 2-PoE power supply circuit, 3-switch circuit, 4-fast charge circuit, 5-first voltage conversion module, 6-second voltage conversion module, 7-output module that charges, 8-regulation module that charges, 9-data conversion module, 10-port connection module, 11-input rectification module, 12-power management module, 13-first output module, 14-feedback module, 15-manager power supply unit, 16-output management unit, 17-power output module, 18-first regulation unit, 19-second regulation unit, 20-operating voltage supply module.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

Embodiment one:

the intelligent switch provided in this embodiment, as shown in fig. 1, includes an input power circuit 1, a PoE power supply circuit 2, a switch circuit 3, and a fast charging circuit 4, where an input end of the input power circuit 1 is connected with an external power source, an output end of the input power circuit 1 is connected with an input end of the PoE power supply circuit 2, and the PoE power supply circuit 2 is provided with a plurality of output ports, including 4 PoE ports capable of transmitting hundred megabits of data, 2 hundred megabits of data ports, and the output ports are used for supplying power to external loads, as shown in fig. 14.

The switch circuit 3 comprises a first voltage conversion module 5, a second voltage conversion module 6 and a switch controller U3, and the fast charging circuit 4 comprises a charging output module 7, a charging adjustment module 8, a data conversion module 9 and a port connection module 10;

the specific signal transmission direction is as follows: the output voltage of the input power supply circuit 1 is subjected to step-down processing by the first voltage conversion module 5 and then is respectively input into the second voltage conversion module 6 and the charging output module 7, the second voltage conversion module 6 reduces the received voltage and then outputs the reduced voltage to the switch controller U3, the switch controller U3 is used for providing network port data for an output port and the data conversion module 9, the charging adjustment module 8 is used for detecting the type of an external device and feeding back a signal to the charging output module 7, the output end of the charging output module 7 is connected with the port connection module 10, the charging output module 7 is used for adjusting the output voltage according to the feedback signal of the charging adjustment module 8, the data conversion module 9 converts the received network port data into the data type matched with the port connection module 10, and the port connection module 10 is used for connecting the external device and supplying power and providing data for the external device.

Specifically, the embodiment integrates the functions of a PoE switch, a charger and a docking station, provides power and data transmission for an output port through the PoE power supply circuit 2 and the switch circuit 3, and provides a charging function and a data transmission function for the port connection module 10 through the fast charging circuit 4 and the switch circuit 3, so that all ports of the utility model can provide power and output transmission capacity outwards, and the docking station can provide power and data transmission for back-end equipment at the same time, namely, a user side does not need to use two devices to charge and transmit data, and the docking station is more convenient to use.

Optionally, the input power module of this embodiment includes an input rectifying module 11, a power management module 12, a transformer T2, a first output module 13 and a feedback module 14, where the specific circuit principle is shown in fig. 2, the input rectifying module 11 is mainly rectified by two rectifying bridges and outputs to the transformer T2, the power management module 12 includes a power manager U4, a manager power supply unit 15 and an output management unit 16, the model of the power manager U4 is optionally GR1837, the manager power supply unit 15 includes a resistor R179 and a resistor R180, the rectified voltage is divided by the resistor R179 and the resistor R180 to supply power to the power manager U4, the output management unit 16 includes a switching tube Q2, a switching tube Q5, a diode D12, a resistor R176, a resistor R185 and a capacitor C104, and the specific connection principle is shown in fig. 2, after receiving the feedback signal of the feedback module 14, the power manager U4 controls the switching tube Q2 and the switching tube Q5 to be turned on or off by sending a signal, so as to control the energy storage or release of the transformer T2, thereby achieving the purpose of the transformer T2 and the energy storage device T2 is not released in the prior art. The first output module 13 includes a rectifying diode D35, a capacitor C99, a capacitor C100, a capacitor C101, a capacitor C102, a resistor R202, a resistor R203, and a resistor R204, and the specific connection principle is shown in fig. 2, where after the output voltage of the transformer T2 is rectified by the rectifying diode D35, the output voltage is further stabilized by the filtering action of the capacitor C99, the capacitor C100, the capacitor C101, the capacitor C102, the resistor R202, the resistor R203, and the resistor R204. The feedback module 14 of this embodiment includes an optocoupler U6, a diode D13, a diode Q3, a resistor R195, a resistor R196, a resistor R197, a resistor R198, a resistor R199, a capacitor C94, a capacitor C95, and a capacitor C96, and the specific connection manner is shown in fig. 2, where the output voltage of the first output module 13 is input to the optocoupler U6 after passing through the diode D13 and the resistor R195, and the light emitting of the light emitter of the optocoupler U6 is controlled by matching with other devices, and the light receiver of the optocoupler U6 transmits a feedback signal to the power manager U4 according to the received light signal, so as to achieve the feedback purpose of the signal.

The PoE power supply circuit 2 of the present embodiment, as shown in fig. 3, includes a power supply controller U12 and at least four power supply output modules 17, where a power supply end of the power supply controller U12 is connected to an output end of the first output module 13, a control end of the power supply output module 17 is connected to an output end of the power supply controller U12, and the output end of the power supply output module 17 supplies power to an external load through an output port.

Specifically, the power supply controller U12 may be selected to be MP3924, the power supply output module 17 includes a switching tube Q8, a diode D14, a zener diode D31 and a capacitor C98, the circuit principles of the four power supply output modules 17 are the same, and the other three power supply output modules 17 include a switching tube Q9, a switching tube Q10, a switching tube Q11 and other matched devices, and the specific connection principle is as shown in fig. 3, and the power supply controller U12 converts the output voltage of the first output module 13 and provides power for the output port.

As shown in fig. 5 to 7, in the switch circuit 3 of this embodiment, the first voltage conversion module 5 and the second voltage conversion module 6 are both implemented by using a buck chip and an adaptive device in the prior art, and the output voltage, for example, 54V, of the input power circuit 1 is mainly converted into 12V by the first voltage conversion module 5, and then the 12V voltage is converted into 3.3V or 1.1V by the second voltage conversion module 6, which is set according to the actual requirement. The output voltage of the second voltage conversion module 6 is used for supplying power to the switch controller U3, and the type of the switch controller U3 can be selected as RTL8309N, which is in the prior art, and is mainly used for providing hundred megabytes of network port data for the output port and the data conversion module 9, so that the switch controller U3 is used for a user terminal, has a faster data flow, and avoids the situation of data blocking caused by too large data flow.

The fast charging circuit 4 of the embodiment is mainly used for providing fast charging power for external devices, and can meet charging requirements of different devices, as shown in fig. 9 to 13, and comprises a charging output module 7, a charging adjustment module 8, a data conversion module 9, a port connection module 10 and an operating voltage providing module 20, wherein the charging output module 7 comprises an output controller U2, a resistor R11, a resistor R12, a resistor R110, an inductor L1, a capacitor matrix, a first adjustment unit 18 and a second adjustment unit 19, the output controller U2 is of a model TMI2283Q, the port connection module 10 comprises a data interface J4, a switching tube Q18 and a switching tube Q19, the first adjustment unit 18 comprises a resistor R14, a resistor R15, a resistor R109 and a switching tube Q13, and the second adjustment unit 19 comprises a resistor R112 and a resistor R113; the charging regulation module 8 adopts a PD protocol chip with a chip model of LDR6282, and can detect and identify the charging requirement of the equipment connected with the data interface J4 through the chip, the detection and identification of the PD equipment by the chip are not described in detail herein, and after the detection and identification, signals are fed back to the feedback end of the output manager U2 through VBUS_FB, namely PIN1, so that the output manager U2 can regulate the output, such as 5V charging, 9V charging and the like, so as to meet the charging requirements of different equipment. During charging, the switch tube Q18 and the switch tube Q19 are both turned on, and then the data interface J4 (optionally a type_c interface) can be used for charging a connected mobile phone, a tablet, a computer and the like, and the data conversion module 9 in this embodiment is a data exchange module commonly used by a switch, and optionally a control chip with a model of RTL8152B is used for converting network port data of the switch controller U3 into data with a TYPE of type_c, and the data are transmitted to connected equipment through the data interface J4, so that simultaneous transmission of data and electric power is realized, and a user side can access the internet and also can charge without connecting a charger. The operating voltage supply module 20 of the present embodiment is mainly used for supplying the operating voltage to the charge adjusting module 8 and the data converting module 9, as shown in fig. 12.

Therefore, the intelligent switch provided by the embodiment integrates the functions of a charger and a switch, such as an external AP device, can supply power and perform data transmission through an output port, and the switch controller U3 can provide hundred megadata for the switch controller, and an external mobile phone and a tablet terminal can perform hundred megadata transmission through the connection data interface J4 while charging, so that only one power line is required, a charger or other devices are not required, and the embodiment can be inserted into a docking station, so that the docking station can directly provide data and power for the connected devices. That is, all ports of the embodiment can provide power and data transmission functions, so that the requirements of a user side are greatly met, the use of data lines is reduced, and the practicability is higher.

Embodiment two:

different from the first embodiment, the intelligent switch provided in this embodiment is that the switch controller U3 provides gigabit data, as shown in fig. 1, fig. 4 and fig. 8 are schematic circuit diagrams of the PoE power supply circuit and the second voltage conversion module in this embodiment, and the output ports in this embodiment include 4 PoE ports capable of transmitting gigabit data, 2 gigabit data ports, 1 type fast-charging and gigabit data port, and 1 AC power input port, and only one AC power input port is needed to realize data and power transmission of multiple ports.

Although the present utility model has been described with reference to the preferred embodiments, it should be understood that the utility model is not limited to the specific embodiments, but rather, it should be understood that various changes and modifications can be made by one skilled in the art without departing from the scope of the utility model.

Claims (10)

1. An intelligent switch, characterized by: the power supply circuit comprises an input power supply circuit, a PoE power supply circuit, a switch circuit and a fast charging circuit, wherein the input end of the input power supply circuit is connected with an external power supply, the output end of the input power supply circuit is connected with the input end of the PoE power supply circuit, and the PoE power supply circuit is provided with a plurality of output ports which are used for supplying power for an external load;

the switch circuit comprises a first voltage conversion module, a second voltage conversion module and a switch controller U3, and the quick charging circuit comprises a charging output module, a charging adjustment module, a data conversion module and a port connection module;

the output voltage of the input power supply circuit is subjected to voltage reduction processing by the first voltage conversion module and then is respectively input into the second voltage conversion module and the charging output module, the second voltage conversion module reduces the received voltage and then outputs the reduced voltage to the switch controller U3, the switch controller U3 is used for providing network port data for the output port and the data conversion module, the charging regulation module is used for detecting the type of external equipment and feeding back signals to the charging output module, the output end of the charging output module is connected with the port connection module, the charging output module is used for regulating the output voltage according to the feedback signals of the charging regulation module, the data conversion module converts the received network port data into the data type of the matching port connection module, and the port connection module is used for connecting the external equipment, supplying power for the external equipment and providing data.

2. An intelligent switch as set forth in claim 1, wherein: the input power supply circuit comprises an input rectifying module, a power management module, a transformer T2, a first output module and a feedback module, wherein an external power supply is input into the transformer T2 after passing through the rectifying function of the input rectifying module, the output end of the input rectifying module is connected with the power supply end of the power management module, the output end of the transformer T2 outputs direct-current voltage to the PoE power supply circuit and the first voltage conversion module after passing through the first output module, the input end of the feedback module is connected with the first output module, the output end of the feedback module is connected with the feedback end of the power management module, and the output end of the power management module is connected with the transformer T2.

3. An intelligent switch as claimed in claim 2, wherein: the power management module comprises a power manager U4, a manager power supply unit and an output management unit, wherein the output end of the input rectifying module supplies power to the power manager U4 through the management power supply unit, and the power manager U4 receives a feedback signal of the feedback module and regulates the output voltage of the transformer T2 through the output management unit.

4. An intelligent switch as claimed in claim 2, wherein: the PoE power supply circuit comprises a power supply controller U12 and at least four power supply output modules, wherein the power supply end of the power supply controller U12 is connected with the output end of the first output module, the control end of the power supply output module is connected with the output end of the power supply controller U12, and the output end of the power supply output module supplies power for an external load through the output port.

5. An intelligent switch as set forth in claim 4, wherein: the power supply controller U12 is MP3924 or IP804A.

6. An intelligent switch as set forth in claim 1, wherein: the charging output module comprises an output controller U2, a resistor R11, a resistor R12, a resistor R110, an inductor L1 and a capacitor matrix, and the port connection module comprises a data interface J4, a switching tube Q18 and a switching tube Q19;

the input end of the output controller U2 is connected with the output end of the first voltage conversion module, the output end of the output controller U2 is connected with one switch end of the switch tube Q18 through an inductor L1, the other switch end of the switch tube Q18 is connected with one switch end of the switch tube Q19, the other switch end of the switch tube Q19 is connected with the power supply end of the data interface J4, the control end of the switch tube Q18 is grounded through a resistor R89, the control end of the switch tube Q19 is connected with the output voltage transformation control module, and the data input end of the data interface J4 is connected with the data conversion module;

the regulating signal output end of the charging regulating module is connected with the feedback end of the output controller U2 through a resistor R110, one end of a resistor R11 is connected with the output end of an inductor L1, the other end of the resistor R11 is grounded through a resistor R12, the other end of the resistor R11 is connected with the feedback end of the output controller U2, and two ends of a capacitor matrix are respectively connected with the output end and the ground end of the inductor L1.

7. An intelligent switch as set forth in claim 6, wherein: the port connection module further comprises a first adjusting unit and a second adjusting unit, one end of the first adjusting unit is connected with the output end of the charging output module, the other end of the first adjusting unit is grounded, the adjusting end of the first adjusting unit is connected with the charging adjusting module, and the first adjusting unit and the second adjusting unit are arranged in parallel;

the first regulating unit comprises a resistor R14, a resistor R15, a resistor R109 and a switch tube Q13, the charging regulating module is connected with the control end of the switch tube Q13, the control end of the switch tube Q13 is grounded through the resistor R109, one switch end of the switch tube Q13 is grounded, the other switch end of the switch tube Q13 is connected with the output end of the voltage dropping module through the resistor R14, and the resistor R14 is connected in parallel with the resistor R15;

the second regulating unit comprises a resistor R112 and a resistor R113, one end of the resistor R112 is connected with the output end of the charging output module, the other end of the resistor R112 is grounded through the resistor R113, and the other end of the resistor R112 is connected with the output voltage transformation control module.

8. An intelligent switch as set forth in claim 1, wherein: the quick charging circuit further comprises a working voltage providing module, the input end of the working voltage providing module is connected with the output end of the charging output module, the working voltage providing module is used for reducing the output voltage of the charging output module, and the output end of the working voltage providing module is connected with the charging adjusting module and the data conversion module.

9. A smart switch as claimed in claim 3, wherein: the model of the data conversion module is RTL8152B.

10. A smart switch as claimed in claim 3, wherein: the model of the switch controller U3 is RTL8309N.

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