CN110768067A - USB (universal serial bus) socket - Google Patents
USB (universal serial bus) socket Download PDFInfo
- Publication number
- CN110768067A CN110768067A CN201810828794.9A CN201810828794A CN110768067A CN 110768067 A CN110768067 A CN 110768067A CN 201810828794 A CN201810828794 A CN 201810828794A CN 110768067 A CN110768067 A CN 110768067A
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- CN
- China
- Prior art keywords
- led lamps
- preset number
- npn triode
- usb
- resistor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/717—Structural association with built-in electrical component with built-in light source
- H01R13/7175—Light emitting diodes (LEDs)
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention provides a USB socket, comprising: a metal ground shield case; the transparent plastic frame is arranged on the metal grounding shielding shell; a metal terminal disposed on the transparent plastic frame; the light guide ring is arranged on the periphery of the metal grounding shielding shell; the LED lamps with a first preset number are arranged on the transparent plastic frame; the LED lamps with the second preset number are arranged on the outer side of the light guide ring; and the control circuit is connected with the first preset number of LED lamps and the second preset number of LED lamps and is used for respectively controlling the first preset number of LED lamps and the second preset number of LED lamps to be lightened before and after the USB plug is inserted. The USB socket realizes the positioning of the USB socket through the light setting, and greatly improves the user experience.
Description
Technical Field
The invention relates to the technical field of USB (universal serial bus) sockets, in particular to a USB socket.
Background
Universal Serial Bus (USB) is a Serial Bus standard for connecting computer systems and external devices, and is also a technical specification of input/output interfaces, and is widely used in information communication products such as personal computers and mobile devices, and is extended to other related fields such as video equipment, digital televisions (set-top boxes), game machines, and the like.
At present, the USB interface is divided into four types of standard type, Mini type and Micro type interfaces, and each interface is divided into two parts, namely a plug part and a socket part. However, no matter which kind of the above-mentioned USB interface, all do not have the USB socket position and remind the function, especially under the not enough condition of light, like night, can't fix a position the USB socket fast, can only slowly seek, lead to user experience not good.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a USB socket, which realizes the positioning of the USB socket through light setting, and greatly improves the user experience.
To achieve the above and other related objects, the present invention provides a USB socket, comprising: a metal ground shield case; the transparent plastic frame is arranged on the metal grounding shielding shell; a metal terminal disposed on the transparent plastic frame; the light guide ring is arranged on the periphery of the metal grounding shielding shell; the LED lamps with a first preset number are arranged on the transparent plastic frame; the LED lamps with the second preset number are arranged on the outer side of the light guide ring; and the control circuit is connected with the first preset number of LED lamps and the second preset number of LED lamps and is used for respectively controlling the first preset number of LED lamps and the second preset number of LED lamps to be lightened before and after the USB plug is inserted.
In an embodiment of the present invention, the transparent plastic frame is made of transparent ABS plastic or transparent PC plastic.
In an embodiment of the invention, the light guide ring is made of transparent ABS plastic or transparent PC plastic.
In an embodiment of the present invention, the first predetermined number is 4; the LED lamps of the first preset number are uniformly distributed on the transparent plastic frame.
In an embodiment of the present invention, the second predetermined number is 4; the LED lamps with the second preset number are uniformly distributed on the outer side of the light guide ring.
In an embodiment of the present invention, the control circuit includes a control metal terminal, a first resistor, a second resistor, a third resistor, a first NPN transistor, a second NPN transistor, and a power supply; after the LED lamps of the first preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode; after the LED lamps of the second preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the third resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the second NPN triode; the base electrode of the first NPN triode is connected with the power supply through the first resistor, the emitting electrode of the first NPN triode is grounded, and the collecting electrode of the first NPN triode is connected with the base electrode of the second NPN triode; the emitter of the second NPN triode is grounded; the control metal terminal is connected with the base electrode of the first NPN triode, insulated with the metal grounding shielding shell before the USB plug is inserted, and conducted with the metal grounding shielding shell after the USB plug is inserted.
In an embodiment of the present invention, the control circuit includes a control metal terminal, a first resistor, a second resistor, a third resistor, a first NPN transistor, a second NPN transistor, a power supply, and a microprocessor; after the LED lamps of the first preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode; after the LED lamps of the second preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the third resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the second NPN triode; the base electrode of the first NPN triode is connected with the first output end of the microprocessor, and the emitting electrode of the first NPN triode is grounded; the base electrode of the second NPN triode is connected with the second output end of the microprocessor, and the emitting electrode of the second NPN triode is grounded; the control metal terminal is connected with the power supply through the first resistor, is connected with the input end of the microprocessor, is insulated from the metal grounding shielding shell before the USB plug is inserted, and is conducted with the metal grounding shielding shell after the USB plug is inserted; the microprocessor is used for controlling the first output end to output a high level and the second output end to output a low level when the input end is at the high level; when the input end is at low level, the output of the second output end is controlled to be at high level, and the output of the first output end is controlled to be at low level.
In an embodiment of the invention, the metal grounding shielding shell is provided with a metal elastic sheet, the metal elastic sheet is connected with the control metal terminal, and is insulated from the metal grounding shielding shell before the USB plug is inserted, and is conducted with the metal grounding shielding shell after the USB plug is inserted.
In an embodiment of the invention, the USB socket is applied to a vehicle-mounted terminal and a computer.
In an embodiment of the invention, the USB sockets are type a, type B, type C, Mini, and Micro USB sockets.
As described above, the USB socket of the present invention has the following advantages:
(1) the USB socket is positioned by light setting, and the USB socket is simple in structure and easy to realize;
(2) the USB socket can help a user to quickly position the USB socket, and the user experience is greatly improved;
(3) the USB plug detection can be realized, and the accuracy is high;
(4) wide application range and strong applicability.
Drawings
FIG. 1 is a schematic structural diagram of a USB socket according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a control circuit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control circuit according to another embodiment of the invention.
Description of the element reference numerals
1 Metal grounding shield case
2 transparent plastic frame
3 Metal terminal
4 light guide ring
5 LED lamp
6 LED lamp
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The USB socket realizes the positioning of the USB socket through the light setting, thereby greatly improving the user experience; the method can be applied to vehicle-mounted terminals and computer terminals, and is high in practicability.
As shown in fig. 1, in one embodiment, the USB socket of the present invention includes a metal grounding shielding shell 1, a transparent plastic frame 2 and a metal terminal 3, which are included in the USB socket of the prior art. Wherein the transparent plastic frame 2 is arranged on the metal grounding shielding shell 1; the metal terminals 3 are provided on the transparent plastic frame 2.
In addition, the USB socket of the present invention further comprises:
and the light guide ring 4 is arranged at the periphery of the metal grounding shielding shell 1.
A first preset number of LED lamps 5 disposed on the transparent plastic frame 2.
And the LED lamps 6 with the second preset number are arranged outside the light guide ring 4.
And the control circuit is connected with the first preset number of LED lamps 5 and the second preset number of LED lamps 6 and is used for respectively controlling the first preset number of LED lamps 5 and the second preset number of LED lamps 6 to be lightened before and after the USB plug is inserted.
Specifically, before the USB plug is inserted into the USB socket of the present invention, the first predetermined number of LED lamps 5 are turned on, and the second predetermined number of LED lamps 6 are turned off, so as to indicate the position of the unused USB socket for the user, thereby facilitating to quickly position the USB socket in case of not turning on light. When the USB plug is inserted into the USB socket of the present invention, the second predetermined number of LED lamps 6 are turned on, and the first predetermined number of LED lamps 5 are turned off, thereby indicating the location of the USB socket being used for the user.
In an embodiment of the present invention, the transparent plastic frame 2 is made of transparent ABS plastic or transparent PC plastic.
In an embodiment of the present invention, the light guide ring 4 is made of transparent ABS plastic or transparent PC plastic.
In an embodiment of the present invention, the first predetermined number is 4; the first preset number of LED lamps 5 are uniformly distributed on the transparent plastic frame 2.
In an embodiment of the present invention, the second predetermined number is 4; the LED lamps 6 with the second preset number are uniformly distributed outside the light guide ring 4.
As shown in fig. 2, in an embodiment of the present invention, the control circuit includes a control metal terminal C, a first resistor R1, a second resistor R2, a third resistor R3, a first NPN transistor Q1, a second NPN transistor Q2, and a power supply (3V 3); the first preset number of LED lamps (D1, D2, D3 and D4) are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor R2, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode Q1; the second preset number of LED lamps (D5, D6, D7 and D8) are connected in parallel, the positive electrodes of the second preset number of LED lamps are connected with the power supply through the third resistor R3, and the negative electrodes of the second preset number of LED lamps are connected with the collector electrode of the second NPN triode Q2; the base electrode of the first NPN triode Q1 is connected with the power supply through the first resistor R1, the emitter electrode of the first NPN triode Q1 is grounded, and the collector electrode of the first NPN triode Q1 is connected with the base electrode of the second NPN triode Q2; the emitter of the second NPN triode Q2 is grounded; the control metal terminal C is connected to the base of the first NPN transistor Q1, and is insulated from the metal ground shield case 1 before the USB plug is inserted, and is conducted to the metal ground shield case 2 after the USB plug is inserted. Specifically, when the USB plug is not plugged, the control metal terminal C is floating, the first resistor R1 is pulled high, and the first NPN transistor Q1 is turned on, and the second NPN transistor Q2 is turned off, so that the D1, D2, D3, and D4LED lamps are turned on, and the D5, D6, D7, and D8LED lamps are not turned on. And when the front end of the USB socket is seen, the transparent plastic frame 2 is bright, and the light guide ring 4 is not bright. After the USB plug is plugged, the control metal terminal C is shorted to ground, which results in the first NPN transistor Q1 being turned off and the second NPN transistor Q2 being turned on, so that the D1, D2, D3, and D4LED lights are not turned on, and the D5, D6, D7, and D8LED lights are turned on. And when the front end of the USB socket is seen, the transparent plastic frame 2 is not bright, and the light guide ring 4 is bright. Preferably, the switch of the LED light reminding function can be realized by the switch of the power supply. For example, in the night mode, the power supply is powered on, and the LED lamp can be controlled to be turned on or off according to the insertion condition of the USB plug; in the daytime mode, the power supply is powered off, and all the LEDs are not lighted down, so that energy and electricity are saved.
As shown in fig. 3, in an embodiment of the present invention, the control circuit includes a control metal terminal C, a first resistor R1, a second resistor R2, a third resistor R3, a first NPN transistor Q1, a second NPN transistor Q2, a power supply (3V3), and a microprocessor (MCU/MPU); after the first preset number of LED lamps 5 are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor R2, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode Q1; after the second preset number of LED lamps 6 are connected in parallel, the positive electrode of each LED lamp is connected with the power supply through the third resistor R3, and the negative electrode of each LED lamp is connected with the collector electrode of the second NPN triode Q2; the base electrode of the first NPN triode Q1 is connected with a first output end GPIO1 of the microprocessor, and the emitting electrode of the first NPN triode Q1 is grounded; the base electrode of the second NPN triode Q2 is connected with a second output end GPIO2 of the microprocessor, and the emitting electrode of the second NPN triode Q2 is grounded; the control metal terminal C is connected with the power supply through the first resistor R1, is connected with the input end INT of the microprocessor, is insulated from the metal grounding shielding shell 1 before the USB plug is inserted, and is conducted with the metal grounding shielding shell 1 after the USB plug is inserted; the microprocessor is used for controlling the output of the first output end GPIO1 to be high level and the output of the second output end GPIO2 to be low level when the input end INT is high level; when the input terminal INT is at a low level, the output of the second output terminal GPIO2 is controlled to be at a high level, and the output of the first output terminal GPIO1 is controlled to be at a low level. Specifically, when the USB plug is not inserted, the control metal terminal C is suspended, the first resistor R1 is pulled high, and when the MCU/MPU detects that the signal is high, the GPIO1 is pulled high, and the GPIO2 is pulled low. Therefore, the D1, D2, D3, and D4LED lamps were on, and the D5, D6, D7, and D8LED lamps were not on. And when the front end of the USB socket is seen, the transparent plastic frame 2 is bright, and the light guide ring 4 is not bright. After the USB plug is plugged, the control metal terminal C is short-circuited to the ground, and when the MCU/MPU detects that the signal is low, the GPIO1 is pulled low and the GPIO2 is pulled high, so that the D1, D2, D3 and D4LED lamps are not lighted, and the D5, D6, D7 and D8LED lamps are lighted. And when the front end of the USB socket is seen, the transparent plastic frame 2 is not bright, and the light guide ring 4 is bright. Preferably, the switch of the LED light reminding function can be realized by the switch of the power supply. For example, in the night mode, the power supply is powered on, and the LED lamp can be controlled to be turned on or off according to the insertion condition of the USB plug; in the daytime mode, the power supply is powered off, and all the LEDs are not lighted down, so that energy and electricity are saved.
For the two control circuits, in an embodiment of the present invention, a metal elastic sheet is disposed on the metal grounding shielding shell 1, the metal elastic sheet is connected to the control metal terminal, and is insulated from the metal grounding shielding shell 1 before the USB plug is inserted, and is conducted with the metal grounding shielding shell 1 after the USB plug is inserted. Specifically, when the USB plug is inserted into the USB socket, the elastic piece is connected to the metal grounding shielding shell through the outer shielding layer of the USB plug.
In an embodiment of the present invention, the USB socket is applied to a vehicle-mounted terminal and a computer terminal, so as to facilitate plugging and unplugging of the USB interface under a poor light condition.
In an embodiment of the invention, the USB sockets are type a, type B, type C, Mini, and Micro USB sockets.
In conclusion, the USB socket realizes the positioning of the USB socket through the light setting, has a simple structure and is easy to realize; the USB socket can help a user to quickly position the USB socket, and the user experience is greatly improved; the USB plug detection can be realized, and the accuracy is high; wide application range and strong applicability. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A USB receptacle, comprising: the method comprises the following steps:
a metal ground shield case;
the transparent plastic frame is arranged on the metal grounding shielding shell;
a metal terminal disposed on the transparent plastic frame;
the light guide ring is arranged on the periphery of the metal grounding shielding shell;
the LED lamps with a first preset number are arranged on the transparent plastic frame;
the LED lamps with the second preset number are arranged on the outer side of the light guide ring;
and the control circuit is connected with the first preset number of LED lamps and the second preset number of LED lamps and is used for respectively controlling the first preset number of LED lamps and the second preset number of LED lamps to be lightened before and after the USB plug is inserted.
2. The USB socket according to claim 1, wherein: the transparent plastic frame is made of transparent ABS plastic or transparent PC plastic.
3. The USB socket according to claim 1, wherein: the light guide ring is made of transparent ABS plastic or transparent PC plastic.
4. The USB socket according to claim 1, wherein: the first preset number is 4; the LED lamps of the first preset number are uniformly distributed on the transparent plastic frame.
5. The USB socket according to claim 1, wherein: the second preset number is 4; the LED lamps with the second preset number are uniformly distributed on the outer side of the light guide ring.
6. The USB socket according to claim 1, wherein: the control circuit comprises a control metal terminal, a first resistor, a second resistor, a third resistor, a first NPN triode, a second NPN triode and a power supply; after the LED lamps of the first preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode; after the LED lamps of the second preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the third resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the second NPN triode; the base electrode of the first NPN triode is connected with the power supply through the first resistor, the emitting electrode of the first NPN triode is grounded, and the collecting electrode of the first NPN triode is connected with the base electrode of the second NPN triode; the emitter of the second NPN triode is grounded; the control metal terminal is connected with the base electrode of the first NPN triode, insulated with the metal grounding shielding shell before the USB plug is inserted, and conducted with the metal grounding shielding shell after the USB plug is inserted.
7. The USB socket according to claim 1, wherein: the control circuit comprises a control metal terminal, a first resistor, a second resistor, a third resistor, a first NPN triode, a second NPN triode, a power supply and a microprocessor; after the LED lamps of the first preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the second resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the first NPN triode; after the LED lamps of the second preset number are connected in parallel, the positive electrodes of the LED lamps are connected with the power supply through the third resistor, and the negative electrodes of the LED lamps are connected with the collector electrode of the second NPN triode; the base electrode of the first NPN triode is connected with the first output end of the microprocessor, and the emitting electrode of the first NPN triode is grounded; the base electrode of the second NPN triode is connected with the second output end of the microprocessor, and the emitting electrode of the second NPN triode is grounded; the control metal terminal is connected with the power supply through the first resistor, is connected with the input end of the microprocessor, is insulated from the metal grounding shielding shell before the USB plug is inserted, and is conducted with the metal grounding shielding shell after the USB plug is inserted; the microprocessor is used for controlling the first output end to output a high level and the second output end to output a low level when the input end is at the high level; when the input end is at low level, the output of the second output end is controlled to be at high level, and the output of the first output end is controlled to be at low level.
8. The USB socket according to claim 6 or 7, wherein: the metal grounding shielding shell is provided with a metal elastic sheet, the metal elastic sheet is connected with the control metal terminal, is insulated with the metal grounding shielding shell before the USB plug is inserted, and is conducted with the metal grounding shielding shell after the USB plug is inserted.
9. The USB socket according to claim 1, wherein: the USB interface is applied to a vehicle-mounted terminal and a computer.
10. The USB socket according to claim 1, wherein: the USB sockets are of type A, type B, type C, Mini and Micro types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828794.9A CN110768067A (en) | 2018-07-25 | 2018-07-25 | USB (universal serial bus) socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828794.9A CN110768067A (en) | 2018-07-25 | 2018-07-25 | USB (universal serial bus) socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110768067A true CN110768067A (en) | 2020-02-07 |
Family
ID=69328177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828794.9A Pending CN110768067A (en) | 2018-07-25 | 2018-07-25 | USB (universal serial bus) socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110768067A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205070550U (en) * | 2015-11-06 | 2016-03-02 | 宁波鑫泰电气科技有限公司 | Electric motor car or motorcycle cell -phone charger of area illumination |
| CN206379886U (en) * | 2016-11-07 | 2017-08-04 | 国家电网公司 | Power communication machine room intelligent power distribution system |
| CN207624984U (en) * | 2017-10-16 | 2018-07-17 | 东莞宇球电子股份有限公司 | LED light source assembly type night fluorescence identifying connector |
-
2018
- 2018-07-25 CN CN201810828794.9A patent/CN110768067A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205070550U (en) * | 2015-11-06 | 2016-03-02 | 宁波鑫泰电气科技有限公司 | Electric motor car or motorcycle cell -phone charger of area illumination |
| CN206379886U (en) * | 2016-11-07 | 2017-08-04 | 国家电网公司 | Power communication machine room intelligent power distribution system |
| CN207624984U (en) * | 2017-10-16 | 2018-07-17 | 东莞宇球电子股份有限公司 | LED light source assembly type night fluorescence identifying connector |
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Application publication date: 20200207 |