CN210040760U - Energy-saving USB female head - Google Patents
Energy-saving USB female head Download PDFInfo
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- CN210040760U CN210040760U CN201920376120.XU CN201920376120U CN210040760U CN 210040760 U CN210040760 U CN 210040760U CN 201920376120 U CN201920376120 U CN 201920376120U CN 210040760 U CN210040760 U CN 210040760U
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- usb
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Abstract
The utility model discloses an energy-conserving female head of USB, it includes female seat of USB and USB circuit, wherein, female seat of USB includes the shell and quilt the tongue core that the shell surrounds, the USB circuit includes control chip, a serial communication port, the tongue core is equipped with the control stitch, the control stitch include the head and with the needle portion that control chip connects, insert when the public head of USB during female head of USB, the head with the adjacent stitch contact of control stitch. The utility model discloses can realize that the female head of USB is out of work under no load state.
Description
Technical Field
The utility model relates to a belong to discrepancy output type electric connector technical field, especially relate to an energy-conserving female head of USB.
Background
The USB female connector in the market is in a continuous power supply state in an idle state. Thus, the waste of electric energy is caused, and the service life of the electronic components in the USB female head is shortened.
The traditional USB female head generally has 4 stitches or 5 stitches, and the USB female head with 4 stitches and the USB female head with 5 stitches can not automatically power off under the no-load state, based on the above, the technology for realizing the USB female head self-power-off appears in the prior art, for example, a patent document with the patent number of '201220247790. X' discloses a self-power-off USB charging socket interface, the interface is provided with an isolated normally-open microswitch, and the isolated normally-open microswitch can be closed and form a loop when an external USB male head is inserted into the interface, so that a 220V external power supply supplies power for a transformer of the interface, and the interface is disconnected when no external USB male head is inserted, so that the 220V external power supply can not supply power for the transformer of the interface.
However, the technical staff finds that the self-power-off USB charging socket interface disclosed in the patent document with the patent number "201220247790. X" has the following defects, firstly, since the isolated normally-open microswitch is directly electrically connected with the 220V power supply and is directly arranged at the interface, the power supply leakage is very easily caused, and further, a safety accident is caused.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model aims to solve the technical problem that a female head of safe, energy-conserving USB is provided, it can be when not having external equipment to insert and be in idle state, auto-power-off.
The utility model provides a pair of female head of energy-conserving USB, including female seat of USB and USB circuit, wherein, female seat of USB include the shell with the quilt the tongue core that the shell surrounds, the USB circuit includes control chip, a serial communication port, the tongue core is equipped with the control stitch, the control stitch include the head and with the needle portion that control chip connects, insert when the public head of USB female during, the head with the adjacent stitch contact of control stitch.
Furthermore, the tongue core is also provided with a groove, and the head is embedded in the groove.
Further, the adjacent pin is a GND pin.
Further, the head part is exposed at the front end of the tongue core.
Further, the adjacent pin includes a leaf spring, and the head is in contact with the leaf spring when the male USB head is inserted into the female USB head.
Further, the spring plate is disposed above the head.
Further, the USB circuit further includes a buck chopper circuit including a transistor, wherein the transistor is connected to an enable pin of the control chip, and the transistor is connected to the pin portion.
Further, the transistor is a PNP triode.
Furthermore, the control chip comprises an enable pin, an emitter of the PNP triode is electrically connected with the enable pin, a base of the PNP triode is electrically connected with the control pin, and a collector of the PNP triode is grounded.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a female head of USB can be when externally public head of USB (USB equipment) inserts, the adjacent stitch and the control stitch contact of control stitch, and then make the control chip of the female head of USB enable to make the female head of USB supplied power by external power source, on the other hand, work as the utility model discloses a when the female head of USB is under the unloaded state, the adjacent stitch and the control stitch contactless of control stitch get into energy-conserving mode to realize that the female head of USB is out of work under the unloaded state.
Drawings
Fig. 1 is a schematic structural view of a USB female socket of the present invention;
fig. 2 is another schematic structural diagram of the USB female socket of the present invention;
fig. 3 is a schematic structural diagram of the present invention in a suspension state of the control pin and the ground pin;
fig. 4 is a schematic diagram of the buck chopper circuit of the present invention.
Wherein the reference numerals are:
the shell 11, the tongue core 12, the grounding pin 121, the control pin 122, the needle part 1211 of the grounding pin, the spring leaf 1212, the needle part 1221 of the control pin and the head 1222 of the control pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, outer and inner … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1, a female head of energy-conserving USB, including the female seat of USB, the female seat of USB includes the shell, and this shell is equipped with the connecting piece, through this connecting piece, the utility model discloses a female head of USB can install on external equipment, if install on intelligent sofa.
The utility model discloses a female seat of USB still includes through the tongue core, 5 recesses of this tongue core, and every recess all is provided with the stitch, and is preferred, as shown in fig. 2, turns left from the right side and sees, and 5 stitches are power positive stitch, negative voltage data stitch, positive voltage data stitch, ground connection stitch, control stitch respectively.
As shown in fig. 3, in the present invention, the control pin includes a head 1222 and a needle 1221, wherein the width of the head 1222 of the control pin is larger than the needle 1221 of the control pin, and the part of the head 1222 of the control pin is hidden in the tongue core, and the part is exposed at the front end of the tongue core, so that the head 1222 of the control pin can reduce the contact between the head and the foreign object, and further reduce the occurrence probability of short circuit or bad contact of the head, thereby improving the safety and stability of the USB female head of the present invention.
As shown, the head 1222 of the control pin is located below the ground pin 121. Preferably, the ground pin 121 includes a spring 1212 and a needle 1211, the spring 1212 of the ground pin is in a relatively floating state with respect to the head 1222 of the control pin when no external USB male plug is inserted, and the spring 1212 of the ground pin is pressed by the external USB male plug to contact the head 1222 of the control pin when the external USB male plug is inserted.
In some embodiments, the utility model discloses a female head of USB still includes the USB circuit, and wherein, the USB circuit includes power supply circuit, filter circuit, control chip and step-down chopper circuit. As shown in fig. 4, the buck chopper circuit includes a transistor Q1, preferably, the transistor Q1 is a PNP transistor, an emitter of the PNP transistor is electrically connected to an enable pin of the control chip, a base of the PNP transistor is electrically connected to the control pin, and a collector of the PNP transistor is grounded. So, when the head of control stitch and spring leaf contact, the head of control stitch produces low level signal, and then makes PNP triode export the enable signal to control chip's messenger pin, and then control chip switches on to power supply circuit supplies power, is in relative unsettled state when the head of control stitch and spring leaf, and control chip's messenger pin disconnection, and then power supply circuit does not supply power.
Through the control pin, the utility model discloses a female head of USB can be in the outage state under the public first male condition of male of outside USB, and then realizes practicing thrift the electric energy and prolong the life of the female head of USB. On the other hand, because the utility model discloses a what control stitch produced is the low flat signal to more have the safety in utilization.
In some embodiments, as shown in the figure, the power circuit may be powered by an external adapter, or powered by a battery, generally in a mains supply external adapter, and when power is off, the power circuit may be powered by a battery, where the power voltage of the battery is 30V. The positive pole of the power supply is connected with a diode D1 and a fuse F1, the diode D1 can prevent reverse connection, and the fuse F1 can play an overload protection role on the circuit.
In some embodiments, the filter circuit is a pi-type filter circuit composed of a capacitor C1, a capacitor C2, and an inductor L1, and the pi-type filter circuit can effectively control interference and noise of the power source to other electronic products or interference and noise of other electronic products to the power source itself. Transient diode TVS1 is parallelly connected to pi type filter circuit both ends, sets up transient diode TVS1 and can effectually protect the components and parts in the circuit to avoid pulse signal's damage.
The invention has been described above with reference to some embodiments, however, various modifications can be made thereto and the invention can be implemented in other ways that are equivalent or known to those skilled in the art, without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed in the present invention can be used in any combination with each other, and the non-exhaustive description of the combination in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides an energy-conserving female head of USB, includes female seat of USB and USB circuit, wherein, the female seat of USB includes the shell and quilt the tongue core that the shell surrounds, the USB circuit includes control chip, its characterized in that, the tongue core is equipped with the control stitch, the control stitch include the head and with the needle portion that control chip connects, when the public head of USB inserts during the female head of USB, the head with the adjacent stitch contact of control stitch.
2. The female USB connector as claimed in claim 1, wherein the tongue core further has a groove, and the head is embedded in the groove.
3. The female USB header according to claim 1, wherein the adjacent pin is a GND pin.
4. The female USB connector according to claim 1, wherein the head portion is exposed at a front end of the tongue core.
5. The female USB head according to claim 1, wherein the control pins comprise spring tabs, the head contacting the spring tabs when the male USB head is inserted into the female USB head.
6. The female USB head according to claim 5, wherein the spring plate is disposed above the head.
7. The female USB connector of claim 1, wherein the USB circuit further comprises a buck chopper circuit including a transistor, wherein the transistor is connected to an enable pin of the control chip and the transistor is connected to the pin portion.
8. The female USB connector of claim 7, wherein the transistor is a PNP transistor.
9. The female USB connector according to claim 8, wherein the control chip comprises an enable pin, wherein an emitter of the PNP transistor is electrically connected to the enable pin, a base of the PNP transistor is electrically connected to the control pin, and a collector of the PNP transistor is grounded.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376120.XU CN210040760U (en) | 2019-03-22 | 2019-03-22 | Energy-saving USB female head |
| PCT/CN2019/089896 WO2019233389A1 (en) | 2018-06-04 | 2019-06-03 | Sofa usb socket |
| US16/749,198 US11239614B2 (en) | 2018-06-04 | 2020-01-22 | Sofa USB socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920376120.XU CN210040760U (en) | 2019-03-22 | 2019-03-22 | Energy-saving USB female head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040760U true CN210040760U (en) | 2020-02-07 |
Family
ID=69356060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920376120.XU Active CN210040760U (en) | 2018-06-04 | 2019-03-22 | Energy-saving USB female head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210040760U (en) |
-
2019
- 2019-03-22 CN CN201920376120.XU patent/CN210040760U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210310 Address after: No.68, Longshan 1st Road, Dayawan West District, Huizhou, Guangdong 516000 Patentee after: Minhua Intelligent Technology (Huizhou) Co.,Ltd. Address before: 516083 5th floor, No.68, Longshan 1st Road, Dayawan West District, Huizhou City, Guangdong Province (R & D office building of Minhua company) Patentee before: Huizhou Ruipelin Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |