CN217279405U - Leather sheath keyboard with electronic pen wireless charger - Google Patents
Leather sheath keyboard with electronic pen wireless charger Download PDFInfo
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- CN217279405U CN217279405U CN202123141298.2U CN202123141298U CN217279405U CN 217279405 U CN217279405 U CN 217279405U CN 202123141298 U CN202123141298 U CN 202123141298U CN 217279405 U CN217279405 U CN 217279405U
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- keyboard
- charging
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- circuit
- electronic pen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model discloses a leather sheath keyboard with electronic pen wireless charging, which comprises a keyboard main body and a wireless charging keyboard circuit, wherein a charging position is arranged on the keyboard main body, a charging coil is arranged in the charging position, and the keyboard main body is connected with electronic equipment so as to carry out input control on the electronic equipment; the wireless keyboard circuit that charges with the charging coil is connected to through the charging coil is for placing charge the electronic pen in the potential. The handwriting pen is placed in the keyboard rotating shaft, so that the handwriting pen is not different from a common keyboard in appearance, compared with the charging mode of a top-suction wireless charger, which is added in the handwriting pen charging of a leather sheath keyboard on the market, the handwriting pen is placed in the rotating shaft in a unique structural mode through self-carrying wireless charging and transmitting in the rotating shaft, no redundant device is arranged in appearance, and the handwriting pen is convenient to carry, attractive and convenient to charge.
Description
Technical Field
The utility model relates to a keyboard technical field especially relates to a leather sheath keyboard that wireless was filled of electrified sub-scripture.
Background
With the continuous development of the technology, the input of the tablet personal computer is more and more convenient. Therefore, the original input of the resistance screen is input to the subsequent input of the capacitance screen, so that the tablet personal computer is more and more popular. However, the input of the resistive screen and the capacitive screen is not very accurate, and is difficult to meet some special application requirements. For example: it is inconvenient to write or draw. For better input, the electronic pen is matched with an induction chip of a tablet computer at present, so that more accurate input is realized, and wider application requirements are met.
However, the electronic pen needs to be powered when in use. Therefore, the electronic pen needs to be charged. In the prior art, a leather sheath keyboard matched with a tablet computer is only a single keyboard, and when an electronic pen needs to be charged, the electronic pen is usually charged by top suction or external charging. That is, in the existing leather sheath keyboard, a top-suction wireless charger is additionally arranged, and the handwriting electronic pen is charged by the top-suction wireless charger. Thus, on the one hand, the wireless charger is placed on top of the holster keyboard, resulting in an overall unsightly appearance. In addition, a ceiling-mounted wireless charger is required to be added during charging, which is relatively troublesome for users.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a leather sheath keyboard that takes the wireless charging of electronic pen.
In order to realize the above purpose, according to the utility model discloses the leather sheath keyboard that charges that takes the electronic pen wireless, the leather sheath keyboard that takes the electronic pen wireless to fill includes:
a leather sheath;
the keyboard main body is arranged on the leather sheath, a charging potential is arranged on the keyboard main body, and the keyboard main body is connected with the electronic equipment so as to carry out input control on the electronic equipment;
the wireless keyboard circuit that charges, the wireless keyboard circuit that charges sets up keyboard main part or in the leather sheath, the wireless keyboard circuit that charges with the charging coil is connected, in order to pass through the charging coil is for placing charge the electronic pen in the potential.
Further, according to an embodiment of the present invention, the keyboard main body includes a main keyboard and a supporting housing, the wireless charging keyboard circuit is disposed in the main keyboard, and the charging potential is disposed on the supporting housing and located at an end of the supporting housing contacting the main keyboard;
the leather sheath is matched with the supporting shell to provide support for the electronic equipment.
Further, according to the utility model discloses an embodiment, wireless keyboard circuit that fills includes:
a key core key;
the keyboard control circuit comprises a keyboard control chip, and the keyboard control chip is respectively connected with the key core keys so as to send input signals of the key core keys to the electronic equipment through a communication interface to carry out input control on the electronic equipment;
the wireless charging circuit is connected with the charging coil so as to charge the electronic pen through the charging coil;
and the keyboard control chip is electrically connected with the key core keys through the keyboard interface.
Further, according to the utility model discloses an embodiment, wireless charging circuit includes:
a wireless charging control chip;
and the wireless charging control chip is connected with the charging coil through the wireless transmitting circuit so as to wirelessly charge and control the electronic pen.
Further, according to the utility model discloses an embodiment, wireless charging circuit still includes:
and the wireless charging and power supply circuit is connected with the wireless charging control chip to provide a charging power supply for the wireless charging control chip.
Further, according to the utility model discloses an embodiment, wireless power supply circuit that fills includes:
and the power conversion circuit is respectively connected with the wireless charging control chip and the power supply to convert the voltage of the power supply and provide a charging power supply for the wireless charging control chip.
Further, according to the utility model discloses an embodiment, wireless power supply circuit that fills still includes:
and the charging interface is connected with the power supply conversion circuit and is used for being connected with power supply equipment so as to introduce a power supply into the power supply conversion circuit.
Further, according to the utility model discloses an embodiment, wireless keyboard circuit that fills still includes:
and the battery charging circuit is connected with the power supply conversion circuit to charge the battery in the keyboard main body.
Further, according to the utility model discloses an embodiment, wireless keyboard circuit that fills still includes battery supply circuit, battery supply circuit reaches with the battery respectively wireless keyboard circuit that fills, in order to do wireless keyboard circuit that fills supplies power.
Further, according to the utility model discloses an embodiment, wireless keyboard circuit that fills still includes hall switch circuit, hall switch circuit with wireless keyboard circuit connection that fills is with it is right electron pen or electronic equipment detect.
The leather sheath keyboard with the wireless electronic pen provided by the embodiment of the utility model has the advantages that the charging position is arranged on the keyboard main body, the charging coil is arranged in the charging position, and the keyboard main body is connected with the electronic equipment to carry out input control on the electronic equipment; the wireless keyboard circuit that charges with the charging coil is connected to through the charging coil is for placing charge the electronic pen in the potential. The handwriting pen is placed in the keyboard rotating shaft, so that the handwriting pen is not different from a common keyboard in appearance, compared with the charging mode of a top-suction wireless charger, which is added in the handwriting pen charging of a leather sheath keyboard on the market, the handwriting pen is placed in the rotating shaft in a unique structural mode through self-carrying wireless charging and transmitting in the rotating shaft, no redundant device is arranged in appearance, and the handwriting pen is convenient to carry, attractive and convenient to charge.
Drawings
Fig. 1 is a schematic structural view of a leather sheath keyboard with an electronic pen wireless charger according to an embodiment of the present invention;
fig. 2 is a schematic view of an exploded structure of a leather sheath keyboard with an electronic pen wireless charger according to an embodiment of the present invention;
fig. 3 is a block diagram of a leather sheath keyboard with an electronic pen wireless charger according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a keyboard control circuit structure provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a wireless charging circuit provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a wireless charging circuit provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a wireless charging control chip and a wireless transmitting circuit in a battery charging circuit provided in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a power conversion circuit and a charging interface in a battery power supply circuit according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a hall switch circuit structure provided by an embodiment of the present invention.
Reference numerals:
a keyboard main body 10;
a support housing 101;
a charging bit 1011;
a key core key 1021;
a leather sheath 20;
a tablet computer 30;
a handwriting electronic pen 40.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 9, an embodiment of the present invention provides a leather sheath 20 keyboard with an electronic pen wireless charger, including: the wireless charging keyboard comprises a leather sheath, a keyboard main body 10 and a wireless charging keyboard circuit, wherein the keyboard main body is arranged on the leather sheath, a charging potential 1011 is arranged on the keyboard main body 10, and the keyboard main body 10 is connected with electronic equipment so as to carry out input control on the electronic equipment; in an embodiment of the present invention, the charging position 1011 may be disposed at a rear position of the keyboard main body 10. In other embodiments, other locations are possible. For example, left, right, or front positions. The charging potential 1011 is integrated with the keyboard body 10. Thus, the whole structure is more concise and beautiful. When charging, put the electronic pen into the position of charging. Through magnet counterpoint, counterpoint with the charging coil in the main keyboard, charge for the electronic pen through the charging coil.
The wireless keyboard circuit that fills sets up keyboard main part or in the leather sheath, wireless keyboard circuit that fills with charging coil connects to through charging coil is for placing charge the electronic pen in the electric potential 1011 charges. The wireless keyboard circuit that fills is through being connected with power supply to after will power supply modulate, through wireless coil carries out the transmission of wireless power signal, thereby charges for the electronic pen of placing on wireless coil. When the hand-writing electronic pen is used, a notebook computer, a tablet computer 30, a mobile phone or other electronic equipment is connected with the leather sheath 20 keyboard through a communication interface, the hand-writing pen is placed in the charging position, and when the hand-writing electronic pen 40 is needed, the electronic pen can be taken out from the charging position; after the electronic pen is used up, the electronic pen can be placed into the charging position.
The leather sheath 20 keyboard with the wireless electronic pen provided by the embodiment of the utility model has the advantages that the charging position 1011 is arranged on the keyboard main body 10, and the keyboard main body 10 is connected with the electronic equipment to carry out input control on the electronic equipment; the wireless keyboard circuit that charges with the charging coil is connected to through the charging coil is for placing charge the electronic pen in the position 1011. Because the handwriting pen is arranged in the keyboard rotating shaft, the keyboard has no difference from a common keyboard in appearance, and the handwriting electronic pen 40 is added to the common keyboard in the same structure. The wireless charging and transmitting function is arranged at the position of the handwriting pen, and when the handwriting pen is placed in the keyboard rotating shaft, the wireless charging and transmitting function can charge the handwriting pen in a receiving mode.
The leather sheath 20 keyboard with the electronic pen wireless charger further comprises: a leather sheath 20; the keyboard main body comprises a main keyboard and a supporting shell, the wireless keyboard charging circuit is arranged in the main keyboard, and the charging potential is arranged on the supporting shell and is positioned at the end part of the supporting shell, which is in contact with the main keyboard; the leather sheath is arranged at the outer sides of the main keyboard and the supporting shell to cooperate with the supporting shell to provide support for the electronic equipment. Thus, when not in use, the leather sheath 20 can wrap the outer surface of the keyboard body 10 to contain or protect the keyboard body 10. In use, one end of the holster 20 may be inverted. One end face of the leather sheath 20, the supporting shell and the main keyboard are in an open state. The tablet pc 30 is placed at a position inside the one end surface of the support case, and the tablet pc 30 is supported by the holster 20 and the keyboard main body 10.
The charging position 1011 is arranged at the contact end of the support shell and the main keyboard. The charging position 1011 is arranged at the contact end of the supporting shell and the main keyboard. Therefore, compared with the charging mode of a top-suction wireless charger additionally arranged on the stylus charging of the leather sheath 20 keyboard on the market, the unique structural mode that the stylus is placed in the rotating shaft is realized by the wireless charging emission in the rotating shaft, no redundant device is arranged in the appearance, and the stylus is convenient to carry, attractive and convenient to charge. Pivot suction-type stylus, common stylus insert in the pivot from the side, all manually insert one put the position in, the embodiment of the utility model provides an accessible magnet suction-type will write by hand electronic pen 40 inhales in the charging coil. Only the handwriting pen point is put in the charging potential from the front end. The electronic pen can be automatically charged, and the wireless charging keyboard circuit in the main keyboard transmits and detects the electric quantity through the handwriting pen receiving protocol to realize automatic controllable charging. When the electronic pen is used, the end part of the supporting shell and the main circuit board are aligned through a wireless charging and transmitting coil in a magnetic attraction mode, so that the electronic pen is charged.
The wireless keyboard circuit that fills includes: the wireless charging device comprises key core keys, a keyboard control circuit, a wireless charging circuit and a keyboard interface J3, wherein the keyboard control circuit comprises a keyboard control chip U36, and the keyboard control chip U36 is respectively connected with the key core keys so as to send input signals of the key core keys to electronic equipment through a communication interface to carry out input control on the electronic equipment; through the keyboard control chip U36, on one hand, information input by the key core key can be received; alternatively, communication can be made with an electronic device placed on the keyboard of the holster 20 through a communication interface. And sending the information input by the user to the electronic equipment through an interface. To implement functions for inputting information to the electronic device via the keypad. The communication interface is a POGO PIN interface; the communication interface is a USB protocol communication interface. Can be connected with the tablet computer 30 through a USB/POGO PIN PIN, thus being convenient for connection.
The wireless charging circuit is connected with the charging coil so as to charge the electronic pen through the charging coil; through wireless charging circuit can be right wireless charging control is carried out to the charging coil, and after the position of charging was put into to the handwritten electron, wireless charging circuit communication wireless protocol of charging detected that handwritten electronic pen 40 inserted the position of charging, and steerable charging coil sends wireless power supply. Thereby charging the electronic pen placed in the charging coil.
The keyboard control chip U36 is electrically connected with the key core keys through the keyboard interface J3.
The wireless charging circuit includes: control chip U39 and wireless transmitting circuit are filled to wireless, wireless control chip U39 that fills passes through wireless transmitting circuit with the charging coil is connected to carry out wireless charging control to the electronic pen. The wireless charging control chip U39 is connected with a power supply to output the modulated direct-current power supply to the wireless transmitting circuit, and the wireless transmitting circuit is connected to the charging coil. The charging coil is wireless transmitting antenna. Therefore, the modulation power supply is transmitted to the electronic pen, and the electronic pen is internally provided with a wireless receiving coil to receive a wireless power supply signal and arrange the wireless power supply signal into a direct current signal so as to charge the electronic pen.
The wireless charging circuit further comprises: the wireless charging and power supplying circuit is connected with the wireless charging control chip U39 to provide a charging power supply for the wireless charging control chip U39. The wireless charging power supply circuit can convert the voltage of an introduced power supply and then provide the power supply for the wireless charging control chip U39. The wireless power supply circuit that charges includes: and the power supply conversion circuit is respectively connected with the wireless charging control chip U39 and the power supply to convert the voltage of the power supply and provide a charging power supply for the wireless charging control chip U39. Through the power supply conversion circuit, a power supply can be converted into power supply voltage required by the wireless charging control chip U39 to supply power for the wireless charging control chip U39. The power conversion circuit comprises power conversion chips U40 and U23. To convert the power supply to a non-passing output supply voltage. The wireless power supply circuit that charges still includes: the charging interface USB1 is connected with the power conversion circuit through the charging interface USB1, and the charging interface is used for being connected with a power supply device so as to lead power to the power conversion circuit. In an embodiment of the present invention, the charging interface USB1 is a Type-C USB interface. Like this, but connect the power charger through Type-C Type USB interface to the introduction power is the power supply of power conversion circuit.
The wireless keyboard circuit that fills still includes: and the battery charging circuit is connected with the power supply conversion circuit to charge the battery in the keyboard main body 10. The battery charging circuit comprises a power control chip U4, and the power control chip U4 is respectively connected with the power conversion circuit and the battery to charge the battery in the keyboard main body 10. In this way, when the power charger is not connected through the Type-C USB interface, the battery can be used to continuously supply power to the electronic devices in the keyboard body 10. The leather sheath 20 keyboard with the electronic pen wireless charging function further comprises a battery power supply circuit, and the battery power supply circuit is respectively connected with the battery and the wireless keyboard charging circuit to supply power to the wireless keyboard charging circuit. The battery power supply circuit can step down the power output from the battery and supply power to the electronic equipment in the keyboard main body 10. The power conversion chip U6 may be a low dropout regulator or a switching power converter. A more stable power supply can be input through the low dropout regulator LDO to supply power to the electronic devices in the keyboard main body 10.
The wireless keyboard circuit that fills still includes hall switch circuit, hall switch circuit with wireless keyboard circuit connection that fills is in order to detect electron pen or electronic equipment, hall switch circuit includes a hall switch detector U28.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a leather sheath keyboard that wireless was filled of electrified sub-scriber, its characterized in that includes:
a leather sheath;
the keyboard main body is arranged on the leather sheath, a charging potential is arranged on the keyboard main body, and the keyboard main body is connected with the electronic equipment so as to carry out input control on the electronic equipment;
the wireless keyboard circuit that fills, the wireless keyboard circuit that fills sets up keyboard main part perhaps in the leather sheath, the wireless keyboard circuit that fills is connected with the charging coil to through the charging coil is for placing charge the electronic pen in the potential.
2. The holster keyboard with wireless charging of an electronic pen of claim 1, wherein the keyboard body comprises a main keyboard and a support housing, the charging potential is disposed on the support housing at a position of an end of the support housing contacting the main keyboard;
the leather sheath is used for matching with the supporting shell to provide support for the electronic equipment.
3. The holster keyboard with an electronic pen wireless charger of claim 1, wherein the wireless charging keyboard circuit comprises:
a key core key;
the keyboard control circuit comprises a keyboard control chip, and the keyboard control chip is respectively connected with the key core keys so as to send input signals of the key core keys to the electronic equipment through a communication interface to carry out input control on the electronic equipment;
the wireless charging circuit is connected with the charging coil so as to charge the electronic pen through the charging coil;
and the keyboard control chip is electrically connected with the key core keys through the keyboard interface.
4. The holster keyboard with the electronic pen wireless charging function according to claim 3, wherein the wireless charging circuit comprises:
a wireless charging control chip;
and the wireless charging control chip is connected with the charging coil through the wireless transmitting circuit so as to wirelessly charge and control the electronic pen.
5. The holster keyboard with wireless electronic pen charging of claim 4, wherein the wireless charging circuit further comprises:
and the wireless charging and power supplying circuit is connected with the wireless charging control chip to provide a charging power supply for the wireless charging control chip.
6. The holster keyboard with the electronic pen wireless charger of claim 5, wherein the wireless charging power supply circuit comprises:
and the power conversion circuit is respectively connected with the wireless charging control chip and the power supply to convert the voltage of the power supply and provide a charging power supply for the wireless charging control chip.
7. The holster keyboard with wireless electronic pen charging of claim 6, wherein the wireless charging power supply circuit further comprises:
and the charging interface is connected with the power supply conversion circuit and is used for being connected with power supply equipment so as to introduce a power supply into the power supply conversion circuit.
8. The holster keyboard with wireless electronic pen charging of claim 6, wherein the wireless charging keyboard circuit further comprises:
and the battery charging circuit is connected with the power supply conversion circuit to charge the battery in the keyboard main body.
9. The wireless keyboard of claim 8, wherein the wireless keyboard circuit further comprises a battery power circuit, the battery power circuit is connected to the battery and the wireless keyboard circuit, respectively, to supply power to the wireless keyboard circuit.
10. The holster keyboard with an electronic pen wireless charging function according to claim 1, wherein the wireless charging keyboard circuit further comprises a hall switch circuit, and the hall switch circuit is connected with the wireless charging keyboard circuit to detect the electronic pen or the electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123141298.2U CN217279405U (en) | 2021-12-14 | 2021-12-14 | Leather sheath keyboard with electronic pen wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123141298.2U CN217279405U (en) | 2021-12-14 | 2021-12-14 | Leather sheath keyboard with electronic pen wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217279405U true CN217279405U (en) | 2022-08-23 |
Family
ID=82888071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123141298.2U Active CN217279405U (en) | 2021-12-14 | 2021-12-14 | Leather sheath keyboard with electronic pen wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217279405U (en) |
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2021
- 2021-12-14 CN CN202123141298.2U patent/CN217279405U/en active Active
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