CN220753803U - USB plug convenient to transmission heavy current - Google Patents
USB plug convenient to transmission heavy current Download PDFInfo
- Publication number
- CN220753803U CN220753803U CN202321809226.7U CN202321809226U CN220753803U CN 220753803 U CN220753803 U CN 220753803U CN 202321809226 U CN202321809226 U CN 202321809226U CN 220753803 U CN220753803 U CN 220753803U
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- usb
- circuit
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- end cover
- charging
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- 230000005540 biological transmission Effects 0.000 title claims description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000270708 Testudinidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the technical field of quick charge, and provides a USB plug convenient for transmitting large current, which comprises: the USB interface structure comprises two USB connection chips, the two USB connection interfaces are longitudinally arranged according to a 1*2 matrix and used for simultaneously charging the double USB interfaces, and the USB quick charging circuit is used for debugging the power of the USB interfaces and ensuring the quick charging of the USB interfaces; the utility model adopts the USB quick charging circuit suitable for power debugging to debug the electric quantity in the charging process, and the debugging adopts the double USB interfaces to charge, thereby further improving the charging efficiency of the USB interfaces.
Description
Technical Field
The utility model relates to the technical field of quick charging, in particular to a USB plug convenient for transmitting large current.
Background
With the increasing demand of consumers on electronic equipment, the electronic equipment gradually becomes an indispensable part of daily production and life of consumers, at present, the electronic equipment tends to develop in the directions of convenience, clarity, science and technology and comfort, with the increasing of screen resolution of electronic products, the dimming load of an internal battery of the electronic equipment on the inside of a display screen is also increased, meanwhile, the appearance of a science and technology chip provides more directionality for the functions of the electronic equipment, the updating of the electronic equipment also brings about the updating of the internal battery of the electronic equipment, the increasing of the battery capacity makes the charging speed of 1A or 2A become very tortoise, and if the charging power of a USB interface can be increased, the safety guarantee is carried out on the power adapter and the electronic equipment at the same time of high-power charging, so that the use experience of the consumer on the electronic equipment is greatly improved, and the cruising problem is not the focus of the electronic equipment any more.
Disclosure of Invention
The utility model solves the problem of how to provide a USB plug which is convenient for transmitting large current and is used for carrying out high-power charging and safety detection.
In order to solve the above problems, the present utility model provides a USB plug for facilitating transmission of a large current, comprising: the USB interface structure comprises two USB connection chips, the two USB connection interfaces are longitudinally arranged according to a 1*2 matrix and used for simultaneously charging the double USB interfaces, and the USB quick charging circuit is used for debugging the power of the USB interfaces and ensuring the quick charging of the USB interfaces.
Further, the USB structure comprises an upper end cover, a lower end cover, a USB chip bin and a USB side frame.
Further, two rectangular grooves and two horseshoe-shaped grooves are formed in the upper end cover, the two rectangular grooves are formed in the upper half cover of the upper end cover, and the two horseshoe-shaped grooves are formed in the lower half cover of the upper end cover.
Further, small rectangular grooves distributed in a punctiform manner are formed in the lower half cover of the lower end cover, two groups of pins are arranged on the lower half cover of the lower end cover and used for fixing the USB interface, and clamping pins are arranged on the upper half cover of the lower end cover.
Further, the upper and lower parts of the USB chip bin are provided with two horseshoe-shaped grooves, and the middle of the USB chip bin is used for placing the USB connection chip.
Further, the front part of the USB side frame is provided with two horseshoe-shaped grooves, each horseshoe-shaped groove corresponds to one USB interface, the rear part of each horseshoe-shaped groove is provided with a rectangular buckling point, and meanwhile, the geometric center of the USB side frame is also provided with a rectangular buckling point.
Further, the USB connection chip comprises a USB charging chip, a USB interface circuit, an MOS tube circuit, a power switch circuit and a voltage stabilizing circuit, wherein the input end of the USB charging chip is connected with a power supply, the output end of the USB charging chip is connected with the USB interface circuit, and the control end of the USB charging chip is connected with the MOS tube circuit.
Further, the source electrode of the MOS tube circuit is connected with a power supply, the grid electrode is connected with the USB charging chip, and the drain electrode is connected with the power switch circuit through a resistor.
Further, the input end of the power switch circuit is connected with the USB interface circuit, the output end of the power switch circuit is connected with the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit is connected with an output power supply.
Compared with the prior art, the utility model has the beneficial effects that: adopt unique USB structural design, according to 1*2's two USB plug draw-in grooves of matrix arrangement, can satisfy two interfaces simultaneously and charge, set up independent recess or buckle on USB structure's upper end cover, the lower extreme cover, USB chip storehouse, USB side frame, be used for USB structure and its peripheral tight interlock of parcel rubber and fixed, set up USB chip storehouse in USB structure's inside, be used for USB connection chip's fixed, USB connection chip realizes the processing to the electric energy through USB charging chip, and accomplish the input of electric energy through USB interface circuit, the electric energy of inflow passes through MOS tube circuit, and pass through the pin of MOS with electric current transmission to switch circuit or voltage stabilizing circuit respectively, switch circuit is arranged in detecting the electric quantity change in the circuit, ensure that high-power output goes on steadily.
Drawings
FIG. 1 is a schematic view of the external structure of a USB structure according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of an upper end cap according to embodiment 3 of the present utility model;
fig. 3 is a schematic structural diagram of a lower end cap according to embodiment 4 of the present utility model;
FIG. 4 is a schematic diagram of the principle and structure of a USB chip bin according to embodiment 5 of the present utility model;
FIG. 5 is a schematic diagram of the structure of a USB side frame according to embodiment 6 of the present utility model;
fig. 6 is a schematic structural diagram of a USB connection chip according to embodiment 7 of the present utility model.
Reference numerals illustrate:
1-an upper end cover; 2-a lower end cap; 3-USB chip bin; 4-USB side frame.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
As shown in fig. 1, the present utility model provides a USB plug for facilitating transmission of a large current, comprising: the USB interface structure comprises two USB connection chips, the two USB connection interfaces are longitudinally arranged according to a 1*2 matrix and used for simultaneously charging the double USB interfaces, and the USB quick charging circuit is used for debugging the power of the USB interfaces and ensuring the quick charging of the USB interfaces.
It should be noted that in this embodiment, the present utility model adopts a unique USB structure design and a USB connection chip, the USB structure is a dual USB plug card slot arranged in a matrix according to 1*2, the dual USB plug card slot can simultaneously satisfy two interfaces to charge, and an independent groove or buckle is provided on an upper end cover 1, a lower end cover 2, a USB chip bin 3 and a USB side frame 4 of the USB structure for tightly engaging and fixing the USB structure and its periphery to wrap rubber, and a USB chip bin 3 is provided inside the USB structure, and an independent groove or buckle is also provided around the chip bin for fixing the USB connection chip; the USB connection chip is used for processing electric energy through the USB charging chip, the electric energy is input through the USB interface circuit, the inflowing electric energy passes through the MOS tube circuit and is transmitted to the power switch circuit or the voltage stabilizing circuit respectively through the pins of the MOS, and the power switch circuit is used for detecting electric quantity change in the circuit and ensuring stable high-power output.
In one embodiment of the utility model, the USB structure comprises an upper end cover 1, a lower end cover 2, a USB chip bin 3 and a USB side frame 4.
It should be noted that, in this embodiment, the USB structure is a structure with bilateral symmetry, and for convenience of description, the following definitions are made for different azimuth views of the USB structure: the upper end cover 1 is a top view of a USB structure, the lower end cover 2 is a bottom view of the USB structure, the USB chip bin 3 is a front view of the USB structure, and left and right views of the USB structure are USB side frames 4.
As shown in fig. 2, in one embodiment of the present utility model, two rectangular grooves and two horseshoe grooves are provided on the upper end cap 1, the two rectangular grooves are provided on the upper half cap of the upper end cap 1, and the two horseshoe grooves are provided on the lower half cap of the upper end cap 1.
It should be noted that, in this embodiment, the rectangle recess on upper end cover 1 is used for the rectangle point location of rubber housing, set up the buckle on two horseshoe-shaped recesses, the buckle be used for the rubber housing with the screens of horseshoe-shaped recess buckle are fixed, take the design of rectangle recess and horseshoe-shaped recess, can be when carrying out USB shell fixation more convenient, swift, the buckle makes USB structure fixed more stable simultaneously.
As shown in fig. 3, in one embodiment of the present utility model, small rectangular grooves distributed in a dot shape are provided on the lower half cover of the lower end cover 2, two groups of pins are provided on the lower half cover of the lower end cover 2 for fixing the USB interface, and a clip is provided on the upper half cover of the lower end cover 2.
It should be noted that, in this embodiment, the lower half cover of the lower end cover 2 is provided with small rectangular grooves distributed in a dot shape, which is mainly used for protecting tin points on a chip, so as to avoid abrasion of the hard USB housing to the USB connection chip, and cause the USB connection chip to fail, and the lower half cover of the lower end cover 2 is provided with two groups of pins for fixing the clamping position of the USB connection chip, and simultaneously adjusts the vertical position of the USB connection chip, so that the tin point surface of the USB connection chip is kept at a safe distance from the lower end cover 2 of the USB housing.
In one embodiment of the present utility model, as shown in fig. 4, two horseshoe-shaped grooves are provided on the upper and lower parts of the USB chip bin 3, and the middle is used for placing the USB connection chip.
It should be noted that, in this embodiment, two horseshoe-shaped grooves are disposed above and below the USB chip bin 3, where the horseshoe-shaped groove disposed above the USB chip bin 3 is used for fixing the USB connection chip located above, and a small rectangular groove distributed in a dot shape is disposed below the first USB connection chip and below the lower half cover of the lower end cover 2, which is mainly used for protecting the tin point on the USB connection chip, and meanwhile, a partition board is disposed in the middle of the USB connection chip, so as to prevent the two USB connection chips from connecting abnormally and short-circuiting, and burning the USB interface.
As shown in fig. 5, in one embodiment of the present utility model, two horseshoe-shaped grooves are disposed on the front portion of the USB side frame 4, each horseshoe-shaped groove corresponds to one USB interface, a rectangular fastening point is disposed on the rear portion of each horseshoe-shaped groove, and a rectangular fastening point is also disposed on the geometric center of the USB side frame 4.
It should be noted that, in this embodiment, the two horseshoe grooves of the USB side frame 4 are respectively used for fixing the side positions of the upper and lower USB connection chips, and the same horseshoe grooves are disposed on the left and right sides of the USB connection chip, so that the horseshoe grooves are not only used for fixing the inside of the side frame of the USB connection chip, but also used for fixing the USB side frame 4 and the peripheral rubber housing.
As shown in fig. 6, in one embodiment of the present utility model, the USB connection chip includes a USB charging chip, a USB interface circuit, a MOS transistor circuit, a power switch circuit, and a voltage stabilizing circuit, where an input of the USB charging chip is connected to a power supply, an output of the USB charging chip is connected to the USB interface circuit, and a control of the USB charging chip is connected to the MOS transistor circuit.
In this embodiment, pin 1 of the USB connection chip is connected to a power supply through a capacitor, pin 2 is grounded, pins 3 and 4 are respectively connected to the power supply through a light emitting diode and a resistor, pin 5 is connected to the ground through a resistor and a capacitor, pin 9 is connected to the power supply, pin 10 is connected to the gate of the MOS transistor circuit, pin 8 is connected to the ground through an inductor and a voltage stabilizing tube, pin 7 is connected to the power supply, the USB connection chip is used for charging management of the USB interface, pins 3 and 4 of the USB connection chip are connected to the light emitting diode and used for signal prompt when the USB interface is charged, multiple pins of the USB connection chip are connected to the resistor and the capacitor and used for stable output of current in the circuit, and pin 10 is connected to the gate of the MOS transistor circuit and used for controlling electric quantity through the MOS transistor driving circuit.
In one embodiment of the utility model, the source electrode of the MOS tube circuit is connected with a power supply, the grid electrode is connected with the USB charging chip, and the drain electrode is connected with the power switch circuit through a resistor.
It should be noted that, in this embodiment, the first lead of the source electrode of the MOS transistor circuit is grounded through a resistor, the second lead is connected to a power supply, the drain electrode of the MOS transistor circuit is connected to the power switch circuit through an inductor and a resistor, and the gate electrode and the drain electrode of the MOS transistor are respectively connected to the USB charging chip and the power switch circuit, so that the power management of the USB charging chip can be achieved by controlling the on-off condition of the MOS transistor.
In one embodiment of the present utility model, an input end of the power switch circuit is connected to the USB interface circuit, an output end of the power switch circuit is connected to an input end of the voltage stabilizing circuit, and an output end of the voltage stabilizing circuit is connected to an output power supply.
In this embodiment, pins 4 and 5 of the power switch circuit are grounded, a first lead of pin 2 is connected to a power supply, a second lead is connected to a power supply connection interface, pin 3 of the power switch circuit is connected to pin 3 of the voltage stabilizing circuit, pin 3 of the voltage stabilizing chip is grounded via a capacitor, pin 2 is connected to a power supply, pin 1 is grounded, the power switch circuit is connected to the voltage stabilizing circuit to stabilize the voltage, and then, large current is adopted to supply electric energy, so that the electric power and the square of the current are in a proportional relation according to an electric power formula, and when the current increases, the electric power increases by the square of the current, so that the large-power is input.
Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.
Claims (9)
1. A USB plug for facilitating the transfer of large currents, comprising: the USB interface structure comprises two USB connection chips, the two USB connection interfaces are longitudinally arranged according to a 1*2 matrix and used for simultaneously charging the double USB interfaces, and the USB quick charging circuit is used for debugging the power of the USB interfaces and ensuring the quick charging of the USB interfaces.
2. The USB plug convenient for transmitting high current according to claim 1, wherein the USB interface structure comprises an upper end cover (1), a lower end cover (2), a USB chip bin (3), and a USB side frame (4).
3. The USB plug convenient for transmitting large current according to claim 2, wherein two rectangular grooves and two horseshoe-shaped grooves are provided on the upper end cover (1), the two rectangular grooves are provided on the upper half cover of the upper end cover (1), and the two horseshoe-shaped grooves are provided on the lower half cover of the upper end cover (1).
4. The USB plug convenient for transmitting large current according to claim 2, wherein the lower half cover of the lower end cover (2) is provided with small rectangular grooves distributed in a dot shape, the lower half cover of the lower end cover (2) is provided with two groups of pins for fixing the USB interface, and the upper half cover of the lower end cover (2) is provided with a clip.
5. A USB plug for facilitating the transmission of high currents according to claim 2, the upper and lower parts of the USB chip bin (3) are provided with two horseshoe-shaped grooves, and the middle of the USB chip bin is used for placing the USB connection chip.
6. The USB plug for facilitating high current transmission according to claim 2, wherein two horseshoe-shaped grooves are provided on the front portion of the USB side frame (4), each horseshoe-shaped groove corresponds to a USB interface, a rectangular fastening point is provided on the rear portion of each horseshoe-shaped groove, and a rectangular fastening point is also provided on the geometric center of the USB side frame (4).
7. The USB plug according to claim 1, wherein the USB connection chip includes a USB charging chip, a USB interface circuit, a MOS tube circuit, a power switch circuit, and a voltage stabilizing circuit, the input of the USB charging chip is connected to a power supply, the output of the USB charging chip is connected to the USB interface circuit, and the control of the USB charging chip is connected to the MOS tube circuit.
8. The USB plug according to claim 7, wherein the source electrode of the MOS transistor circuit is connected to a power supply, the gate electrode is connected to the USB charging chip, and the drain electrode is connected to the power switching circuit via a resistor.
9. The USB plug for facilitating high current transmission according to claim 8, wherein an input terminal of the power switching circuit is connected to the USB interface circuit, an output terminal is connected to an input terminal of the voltage stabilizing circuit, and an output terminal of the voltage stabilizing circuit is connected to an output power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809226.7U CN220753803U (en) | 2023-07-11 | 2023-07-11 | USB plug convenient to transmission heavy current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809226.7U CN220753803U (en) | 2023-07-11 | 2023-07-11 | USB plug convenient to transmission heavy current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753803U true CN220753803U (en) | 2024-04-09 |
Family
ID=90559393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321809226.7U Active CN220753803U (en) | 2023-07-11 | 2023-07-11 | USB plug convenient to transmission heavy current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753803U (en) |
-
2023
- 2023-07-11 CN CN202321809226.7U patent/CN220753803U/en active Active
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