CN217588018U - Solar charging leather sheath keyboard - Google Patents
Solar charging leather sheath keyboard Download PDFInfo
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- CN217588018U CN217588018U CN202220164558.3U CN202220164558U CN217588018U CN 217588018 U CN217588018 U CN 217588018U CN 202220164558 U CN202220164558 U CN 202220164558U CN 217588018 U CN217588018 U CN 217588018U
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Abstract
The utility model discloses a solar charging leather sheath keyboard, which comprises a leather sheath keyboard main body, a solar module and a keyboard circuit, wherein the solar module is used for converting solar energy into an electric power supply and outputting the electric power supply; the keyboard circuit is arranged in the leather sheath keyboard body, and the solar module is electrically connected with the keyboard circuit to supply power to the keyboard circuit and the electronic equipment connected with the keyboard circuit. Therefore, when a user uses the leather sheath keyboard and the tablet personal computer outdoors, the solar module can convert outdoor solar energy into electric energy, and the electric energy is output to the keyboard circuit after voltage conversion so as to supply power for the keyboard circuit. In addition, the power supply output by the solar module can be used for charging electronic equipment and a battery which are connected with the keyboard circuit, so that the outdoor use of a user is facilitated.
Description
Technical Field
The utility model relates to a leather sheath keyboard technical field especially relates to a solar charging leather sheath keyboard.
Background
With the continuous development of the technology, the input of the tablet personal computer is more and more convenient. The tablet personal computer can be matched with the leather sheath keyboard for use, and information can be input into the electronic equipment through the leather sheath keyboard, so that the hand feeling is better compared with a soft keyboard of the tablet personal computer. The power supply of the leather sheath keyboard can be output to the leather sheath keyboard through the tablet personal computer to supply power to the leather sheath keyboard. Because the tablet personal computer and the leather sheath keyboard need to get electricity from the battery of the tablet personal computer, the power supply of the tablet personal computer is consumed quickly. Especially in some outdoor application scenarios, when the ambient environment cannot provide charging, the user may be inconvenienced by the dead power of the tablet computer.
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 present invention is to provide a solar charging holster keyboard.
In order to achieve the above object, according to the utility model discloses solar charging leather sheath keyboard, include:
a leather sheath keyboard body;
the solar module is used for converting solar energy into an electricity power supply and outputting the electricity power supply;
the solar module is electrically connected with the keyboard circuit to supply power for the keyboard circuit and the electronic equipment connected with the keyboard circuit.
Further, according to an embodiment of the present invention, the keyboard circuit includes:
the controller is connected with the keyboard keys and is also used for being in communication connection with the electronic equipment through an electronic equipment interface and/or a wireless communication mode so as to control the electronic equipment through the keyboard keys;
the power supply switching circuit is respectively connected with the controller, the solar module and the electronic equipment interface so as to switch and output the power supply output by the solar module or the power supply introduced by the electronic equipment interface under the control of the controller to supply power for the keyboard circuit; and/or switching the output power supply of the solar module to the electronic equipment interface to supply power to the electronic equipment on the electronic equipment interface.
Further, according to an embodiment of the present invention, the power switching circuit includes:
one end of a first channel of the double-channel change-over switch circuit is connected with the solar module, one end of a second channel of the double-channel change-over switch circuit is connected with the electronic equipment interface, and the other ends of the first channel and the second channel of the double-channel change-over switch circuit are connected with each other and connected with the keyboard circuit;
the first channel driving circuit is respectively connected with the controller and a first channel control end of the dual-channel change-over switch circuit;
and the second channel driving circuit is respectively connected with the controller and a second channel control end of the dual-channel change-over switch circuit.
Further, according to the utility model discloses an embodiment, the keyboard circuit still includes the solar energy interface, the solar energy module passes through the solar energy interface with keyboard circuit connection.
Further, according to the utility model discloses an embodiment, keyboard circuit is still including the interface circuit that charges, the interface circuit that charges includes:
and the charging interface is used for being connected with charging equipment so as to introduce another power supply to supply power for the keyboard circuit.
Further, according to an embodiment of the present invention, the keyboard circuit further includes:
and the charging circuit is respectively connected with the charging interface, the solar module and the electronic equipment interface so as to charge the battery by using the introduced power supply.
Further, according to the utility model discloses an embodiment, the interface circuit that charges still includes:
the anode of the first diode is connected with the power supply signal input end of the charging interface, and the cathode of the first diode is connected with the charging circuit;
the anode of the second diode is connected with the power supply signal input end of the solar module, and the cathode of the second diode is connected with the charging circuit;
and the anode of the third diode is connected with the power supply number input end of the electronic equipment interface, and the cathode of the third diode is connected with the charging circuit.
Further, according to an embodiment of the present invention, the charging circuit includes:
and the power supply output end of the charging controller is connected with the battery so as to perform charging control on the battery.
Further, according to the utility model discloses an embodiment, solar charging leather sheath keyboard still includes power conversion circuit, power conversion circuit respectively with battery and controller are connected, in order to incite somebody to action after the battery output power source conversion, do the controller power supply.
The embodiment of the utility model provides a solar charging leather sheath keyboard, which is used for converting solar energy into an electricity using power supply through a solar module and outputting the electricity using power supply; the keyboard circuit is arranged in the leather sheath keyboard body, and the solar module is electrically connected with the keyboard circuit to supply power to the keyboard circuit and the electronic equipment connected with the keyboard circuit. Therefore, when a user uses the leather sheath keyboard and the tablet personal computer outdoors, the solar module can convert outdoor solar energy into electric energy, and the electric energy is output to the keyboard circuit after voltage conversion so as to supply power for the keyboard circuit. In addition, the power supply output by the solar module can be used for charging electronic equipment and a battery which are connected with the keyboard circuit, so that the outdoor use of a user is facilitated.
Drawings
Fig. 1 is a circuit block diagram of a solar charging holster keyboard provided by the utility model;
fig. 2 is a schematic diagram of a power switching circuit structure provided by the present invention;
fig. 3 is a schematic diagram of a solar module interface circuit structure provided by the present invention;
fig. 4 is a circuit diagram of a charging interface provided by the present invention;
fig. 5 is a charging circuit diagram provided by the present invention.
Reference numerals:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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, the utility model provides a solar charging leather sheath keyboard, include: the leather sheath keyboard comprises a leather sheath keyboard main body, a solar module and a keyboard circuit; the solar module is used for converting solar energy into an electric power supply and outputting the electric power supply; as shown in fig. 1, a solar panel is disposed on the solar module, and the solar panel can receive solar light, convert the solar energy into electric energy, and output the electric energy.
The keyboard circuit is arranged in the leather sheath keyboard body, and the solar module is electrically connected with the keyboard circuit to supply power to the keyboard circuit and the electronic equipment connected with the keyboard circuit. The leather sheath keyboard is characterized in that the keyboard circuit is used for being in communication connection with electronic equipment arranged on the leather sheath keyboard, control keys are arranged on the leather sheath keyboard, and the control keys are electrically connected with the keyboard circuit so as to input information to the electronic equipment or control the electronic equipment through the keyboard circuit. The keyboard circuit is connected with the power output end of the solar module. The power supply of the solar module is led into the leather sheath keyboard, so that power is supplied to the keyboard circuit and the like. Therefore, the keyboard circuit does not need to get power from the electronic equipment. The electric quantity loss of the electronic equipment is reduced, and the service life of the electronic equipment is prolonged.
The embodiment of the utility model provides a solar charging leather sheath keyboard, which is used for converting solar energy into an electricity using power supply through a solar module and outputting the electricity using power supply; the keyboard circuit is arranged in the leather sheath keyboard body, and the solar module is electrically connected with the keyboard circuit to supply power to the keyboard circuit and the electronic equipment connected with the keyboard circuit. Therefore, when a user uses the leather sheath keyboard and the tablet personal computer outdoors, the solar module can convert outdoor solar energy into electric energy, and the electric energy is output to the keyboard circuit after voltage conversion so as to supply power for the keyboard circuit. In addition, the power supply output by the solar module can be used for charging electronic equipment and a battery which are connected with the keyboard circuit, so that the outdoor use of a user is facilitated.
The keyboard circuit includes: the controller is connected with the keyboard keys and is also used for being in communication connection with the electronic equipment through an electronic equipment interface and/or a wireless communication mode so as to control the electronic equipment through the keyboard keys; as shown in fig. 1, the controller is connected to the control keys to output information input by the control keys to the electronic device in a wired or wireless manner, so as to control the electronic device or output information to the electronic device.
The power supply switching circuit is respectively connected with the controller, the solar module and the electronic equipment interface, so that under the control of the controller, the power supply output by the solar module or the power supply introduced by the electronic equipment interface is switched and output to supply power for the keyboard circuit; and/or switching the output power supply of the solar module to the electronic equipment interface to supply power to the electronic equipment on the electronic equipment interface. The controller can selectively control the power supply channel of the power supply switching circuit so as to realize the switching control of the power supply. When the leather suit keyboard is not connected with the solar module, the controller can control the power supply switching output of a power supply end VBUS _ DS of an electronic equipment interface of the power supply switching circuit to supply power for the keyboard circuit. When the solar module is connected, the controller can control the power supply switching circuit to switch and output the output power VBUS of the solar module, and can simultaneously switch and output the output power VBUS _ DS to the power supply end VBUS _ DS of the electronic equipment interface and the power supply end of the keyboard circuit. This allows both the power supply to the electronic device connected to the electronic device interface and the power supply to the keyboard circuitry. Therefore, when the keyboard is used outdoors, the situation that the electronic equipment and the keyboard are powered off due to the fact that no charging device is arranged can be avoided. The outdoor use of the user is greatly facilitated.
Referring to fig. 2, the power switching circuit includes: a first channel end VBUS of the dual-channel switch circuit is connected with the solar module, a second channel end VBUS _ DS of the dual-channel switch circuit is connected with the electronic equipment interface J67, and the other ends VBUS _ M of the first channel and the second channel of the dual-channel switch circuit are connected with each other and the keyboard circuit; the dual-channel switching circuit can comprise a channel selector Q11, the channel selector Q1 is a double-MOS transistor, and a dual-channel electronic switch can be formed by the double-MOS transistor so as to realize the input and output switching control of the power supplies of two channels. It should be noted that in some other embodiments of the present invention, a relay may also be used to form the dual-channel selection switch circuit. Because the relay is bulky, it is not used in this embodiment.
The first channel driving circuit is respectively connected with the controller and a first channel control end of the dual-channel change-over switch circuit; and the second channel driving circuit is respectively connected with the controller and a second channel control end of the dual-channel change-over switch circuit. The first channel driving circuit and the second channel driving circuit respectively comprise an MOS (metal oxide semiconductor) switching tube Q6 and an MOS switching tube Q7, the MOS switching tube Q6 and the MOS switching tube Q7 respectively form a driving circuit, and are connected with a grid electrode of the channel selector Q11 so as to conduct or cut off driving control on the channel selector Q11. Because the output signal of the controller is relatively weak, the channel selector Q11 cannot be driven to be quickly turned off or turned on, and the MOS switch tube Q6 and the MOS switch tube Q7 can be used for driving the two channels of the channel selector Q11 to be quickly turned on or turned off after the power of the control signal output by the controller is amplified.
Referring to fig. 3, the keyboard circuit further includes a solar interface J66, and the solar module is connected to the keyboard circuit through the solar interface J66. The solar interface J66 can facilitate the connection and the disconnection of the solar module. But when the user uses the solar energy module outdoors, the solar energy module can be arranged on the leather sheath keyboard through the solar energy interface J66. When the user is not using outdoors, the solar module can be detached from the interface.
Referring to fig. 4, the keyboard circuit further includes a charging interface circuit, and the charging interface circuit includes: and the charging interface J65 is used for being connected with charging equipment so as to introduce another power supply to supply power to the keyboard circuit. The charging interface J65 can be connected with a charger to introduce a power supply of the charger so as to supply power to the keyboard circuit and the electronic equipment. The utility model discloses an embodiment, the interface that charges can be Type-C Type USB interface.
Referring to fig. 5, the keyboard circuit further includes: and the charging circuit is respectively connected with the charging interface J65, the solar module and the electronic equipment interface J67 so as to charge the battery by using an introduced power supply. As shown in fig. 5, the charging circuit includes a charging controller U42, a power input terminal of the charging controller U42 is connected to the power supply VDD _5V, and a power output terminal of the charging controller U42 is connected to the battery interface J6 to perform charging control on the input power, so as to charge the battery.
The charging circuit further comprises a battery electric quantity detection circuit, the battery electric quantity detection circuit comprises a resistor R16 and a resistor R17, one end of the resistor R16 is connected with the battery power output end VBAT, the other end of the resistor R16 is connected with the voltage detection end of the controller, the other end of the resistor R17 is connected with one section of the resistor R17, and the other end of the resistor R17 is connected with a reference ground. The resistors R16 and R17 form a voltage division circuit, and the voltage of the battery can be divided and then output to the controller, so that the controller can conveniently detect the large amount of the battery.
Referring to fig. 4, the charging interface circuit further includes: the charging interface comprises a first diode D20, a second diode D2 and a third diode D45, wherein the anode of the first diode D20 is connected with the power supply signal input end of the charging interface, and the cathode of the first diode D20 is connected with the charging circuit; the anode of the second diode D2 is connected with the power signal input end of the solar module, and the cathode of the second diode D2 is connected with the charging circuit; the anode of the third diode D45 is connected to a power signal input terminal of the electronic device interface, and the cathode of the third diode D45 is connected to the charging circuit. 3 paths of power supply sources can be respectively introduced to charge the battery through the first diode D20, the second diode D2 and the third diode D45, so that the battery can be supplied with power when any path of power supply is switched on. The power input end of the charging controller U42 is connected to the cathodes of the first diode D20, the second diode D2 and the third diode D45, and the power output end of the charging controller is connected to the battery to control the charging of the battery.
Referring to fig. 1, the solar charging holster keyboard further comprises a power conversion circuit, and the power conversion circuit is respectively connected with the battery and the controller to convert the output power of the battery and supply power to the controller. Through the power supply conversion circuit, the 5V power supply output by the battery or the 5V power supply output by the charging circuit can be converted into a 3.3V power supply after voltage conversion, so as to supply power for the controller. The voltage converter may be a linear voltage converter LDO. To provide a stable voltage to the controller.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalent substitutions can be made on the technical solutions described in the foregoing embodiments or some technical features thereof. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.
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.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (9)
1. The utility model provides a solar charging leather sheath keyboard which characterized in that includes:
a leather sheath keyboard body;
the solar module is used for converting solar energy into an electric power supply and outputting the electric power supply;
the solar module is electrically connected with the keyboard circuit to supply power for the keyboard circuit and the electronic equipment connected with the keyboard circuit.
2. The solar charging holster keyboard of claim 1, wherein the keyboard circuit comprises:
the controller is connected with the keyboard keys and is also used for being in communication connection with the electronic equipment through an electronic equipment interface and/or a wireless communication mode so as to control the electronic equipment through the keyboard keys;
the power supply switching circuit is respectively connected with the controller, the solar module and the electronic equipment interface so as to switch and output a power supply output by the solar module or a power supply introduced by the electronic equipment interface under the control of the controller to supply power for the keyboard circuit; and/or switching the output power supply of the solar module to the electronic equipment interface to supply power to the electronic equipment on the electronic equipment interface.
3. The solar charging holster keyboard of claim 2, wherein the power switching circuit comprises:
the solar energy module comprises a solar energy module, a dual-channel selector switch circuit, a keyboard circuit and a power supply circuit, wherein one end of a first channel of the dual-channel selector switch circuit is connected with the solar energy module, one end of a second channel of the dual-channel selector switch circuit is connected with the electronic equipment interface, and the other ends of the first channel and the second channel of the dual-channel selector switch circuit are connected with each other and the keyboard circuit;
the first channel driving circuit is respectively connected with the controller and a first channel control end of the dual-channel change-over switch circuit;
and the second channel driving circuit is respectively connected with the controller and a second channel control end of the dual-channel change-over switch circuit.
4. The solar charging holster keyboard of claim 1, wherein the keyboard circuit further comprises a solar interface through which the solar module is connected to the keyboard circuit.
5. The solar charging holster keyboard of claim 1, wherein the keyboard circuit further comprises a charging interface circuit, the charging interface circuit comprising:
and the charging interface is used for being connected with charging equipment so as to introduce another power supply to supply power for the keyboard circuit.
6. The solar charging holster keyboard of claim 5, wherein the keyboard circuit further comprises:
and the charging circuit is respectively connected with the charging interface, the solar module and the electronic equipment interface so as to charge the battery by using the introduced power supply.
7. The solar charging holster keyboard of claim 6, wherein the charging interface circuit further comprises:
the anode of the first diode is connected with the power supply signal input end of the charging interface, and the cathode of the first diode is connected with the charging circuit;
the anode of the second diode is connected with the power supply signal input end of the solar module, and the cathode of the second diode is connected with the charging circuit;
and the anode of the third diode is connected with the power supply number input end of the electronic equipment interface, and the cathode of the third diode is connected with the charging circuit.
8. The solar charging holster keyboard of claim 7, wherein the charging circuit comprises:
and the power supply output end of the charging controller is connected with the battery so as to perform charging control on the battery.
9. The solar charging holster keyboard of claim 6, further comprising a power conversion circuit, wherein the power conversion circuit is connected to the battery and the controller respectively, for converting the output power of the battery to supply power to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220164558.3U CN217588018U (en) | 2022-01-20 | 2022-01-20 | Solar charging leather sheath keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220164558.3U CN217588018U (en) | 2022-01-20 | 2022-01-20 | Solar charging leather sheath keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217588018U true CN217588018U (en) | 2022-10-14 |
Family
ID=83537174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220164558.3U Active CN217588018U (en) | 2022-01-20 | 2022-01-20 | Solar charging leather sheath keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217588018U (en) |
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2022
- 2022-01-20 CN CN202220164558.3U patent/CN217588018U/en active Active
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