CN219143357U

CN219143357U - Protective housing and wireless charging system of panel computer

Info

Publication number: CN219143357U
Application number: CN202223440390.3U
Authority: CN
Inventors: 殷忠亮
Original assignee: Electronic Silk Road Shenzhen Tech Co ltd
Current assignee: Electronic Silk Road Shenzhen Tech Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-06
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a protective shell of a tablet personal computer and a wireless charging system, which are suitable for the field of tablet personal computer accessories. The tablet personal computer is accommodated in the groove of the protective shell for accommodating the tablet personal computer; the wireless charging receiver is used for receiving energy sent by a wireless transmitting source in the tablet personal computer, wherein the wireless charging receiver is connected with the wireless transmitting source through magnetic attraction; the wireless charging receiver is connected with the extended PCBA, and the extended PCBA is connected with the extended unit. The protection shell is used for charging all external power sources corresponding to peripheral products (expansion units) by the tablet personal computer, energy sent by a wireless transmitting source of the tablet personal computer is received by a wireless charging receiver in the protection shell, and the received energy is converted into power supply energy required by the expansion units so that the expansion units can work normally. The external power supply is not required to be inserted independently, so that the external power supply is reduced to charge the expansion unit so as to reduce the external power supply requirement, and the whole application product is more convenient to use.

Description

Protective housing and wireless charging system of panel computer

Technical Field

The utility model relates to the field of accessories of tablet computers, in particular to a protective shell of a tablet computer and a wireless charging system.

Background

With the increasing demand of users for electronic products, light and small size and portability are a big feature currently followed, such as tablet computers.

In recent years, the use of users is greatly facilitated by the peripheral products corresponding to the existing tablet personal computer, such as a keyboard, a capacitance pen and the like, and the users are inconvenient to carry because the keyboard and the capacitance pen need to be inserted into an external power supply to charge the external power supply, so that the users need to carry all external power supply charging equipment of the tablet personal computer and the peripheral products.

Therefore, finding a protective case for a tablet computer is a need for a person skilled in the art to solve.

Disclosure of Invention

The utility model aims to provide a protective shell of a tablet personal computer and a wireless charging system, which do not need to be independently inserted with an external power supply, so that the external power supply is reduced to charge an expansion unit to reduce the external power supply requirement, and the whole application product is more convenient to use.

In order to solve the technical problems, the utility model provides a protective shell of a tablet personal computer, which comprises a wireless charging receiver, an extended PCBA and an extended unit, wherein the tablet personal computer is accommodated in a groove of the protective shell for accommodating the tablet personal computer;

the wireless charging receiver is used for receiving energy sent by a wireless emission source in the tablet personal computer, wherein the wireless charging receiver is connected with the wireless emission source through magnetic attraction;

the wireless receiver of filling with extend PCBA is connected, extend PCBA with extend the unit connection, extend PCBA is used for receiving wireless energy of filling the receiver, will energy conversion the power supply energy of extension unit power supply.

Preferably, the wireless charging receiver comprises a wireless charging receiving coil and a wireless charging receiving PCBA;

the wireless charging and receiving coil is connected with the wireless transmitting source in the tablet computer through magnetic attraction;

the wireless receiving coil is connected with the wireless receiving PCBA, and the wireless receiving PCBA is connected with the extended PCBA.

Preferably, the extended PCBA includes a keyboard PCBA and/or an LED panel control PCBA;

correspondingly, the expansion unit comprises a keyboard and/or an LED panel;

the keyboard PCBA and the keyboard are arranged in the accommodating cavity of the protective shell;

the LED panel controls the PCBA and the LED panel is arranged in the display groove of the protective shell, and the LED panel is used for displaying remark information of the tablet personal computer.

Preferably, the battery is also included;

one end of the battery is connected with the wireless charging receiving PCBA, and the other end of the battery is connected with the extended PCBA.

Preferably, the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and when the extended unit includes a keyboard and an LED panel, the wireless charging-receiving PCBA is connected with the extended PCBA, comprising:

the wireless charging and receiving PCBA is respectively connected with the keyboard PCBA and the LED panel control PCBA;

correspondingly, the extended PCBA is connected with the extension unit, comprising:

the keyboard PCBA is connected with the keyboard;

the LED panel control PCBA is connected with the LED panel.

Preferably, the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and when the extended unit includes a keyboard and an LED panel, the battery includes a first battery and a second battery;

one end of the first battery and one end of the second battery are respectively connected with the wireless charging receiving PCBA, and the other end of the first battery is connected with the keyboard PCBA;

the other end of the second battery is connected with the LED panel control PCBA.

Preferably, the keyboard comprises a keyboard light;

the keyboard lamp is located the key cap below that the keyboard corresponds, and with keyboard PCBA is connected, keyboard PCBA is used for when power supply energy is less than the threshold value, close the keyboard lamp.

Preferably, the protective housing is further provided with a groove of a capacitance pen, and the capacitance pen and the tablet computer are magnetically charged.

In order to solve the technical problems, the utility model further provides a wireless charging system, which comprises the protective shell of the tablet personal computer.

The utility model provides a protective shell of a tablet personal computer, which comprises a wireless charging receiver, an expansion PCBA and an expansion unit, wherein the tablet personal computer is accommodated in a groove of the protective shell for accommodating the tablet personal computer; the wireless charging receiver is used for receiving energy sent by a wireless transmitting source in the tablet personal computer, wherein the wireless charging receiver is connected with the wireless transmitting source through magnetic attraction; the wireless receiver of filling is connected with extension PCBA, and extension PCBA is connected with extension unit, and extension PCBA is used for receiving the energy of wireless receiver of filling, converts energy into the power supply energy of extension unit power supply. The protection shell is used for charging all external power sources corresponding to peripheral products (expansion units) by the tablet personal computer, energy sent by a wireless transmitting source of the tablet personal computer is received by a wireless charging receiver in the protection shell, and the received energy is converted into power supply energy required by the expansion units so that the expansion units can work normally. The external power supply is not required to be inserted independently, so that the external power supply is reduced to charge the expansion unit so as to reduce the external power supply requirement, and the whole application product is more convenient to use.

In addition, the wireless charging system provided by the utility model comprises the protective shell of the tablet personal computer, and the effects are the same as those of the protective shell.

Drawings

For a clearer description of embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic diagram of a charging principle of a protective shell of a tablet computer according to an embodiment of the present utility model;

fig. 2 is a connection structure diagram of a wireless charging receiver according to an embodiment of the present utility model;

fig. 3 is a structural diagram of a protective case of a tablet computer according to an embodiment of the present utility model;

fig. 4 is a schematic circuit diagram of a protective case of a tablet computer according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a protective case of a tablet computer according to an embodiment of the present utility model;

fig. 6 is a schematic circuit diagram of another protective case of a tablet computer according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a protective case of another tablet computer according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

The core of the utility model is to provide the protective shell and the wireless charging system of the tablet personal computer, so that an external power supply is not required to be inserted independently, the external power supply is reduced to charge the expansion unit so as to reduce the external power supply requirement, and the whole application product is more convenient to use.

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

It should be noted that, the protection shell of the tablet personal computer provided by the utility model is provided with charging energy by the tablet personal computer, and a power interface of an extension unit is not required to be arranged outside the protection shell independently.

Fig. 1 is a schematic diagram of a charging principle of a protective shell of a tablet computer according to an embodiment of the present utility model, as shown in fig. 1, the protective shell 1 includes a wireless charging receiver 2, an extended PCBA3 and an extended unit 4, and a tablet computer 5 is accommodated in a groove of the protective shell 1 for accommodating the tablet computer 5;

the wireless charging receiver 2 is used for receiving energy emitted by the wireless emission source 6 in the tablet personal computer 5, wherein the wireless charging receiver 2 is connected with the wireless emission source 6 through magnetic attraction;

the wireless charging receiver 2 is connected with the extended PCBA3, the extended PCBA3 is connected with the extended unit 4, and the extended PCBA3 is used for receiving the energy of the wireless charging receiver 2 and converting the energy into the power supply energy for supplying power to the extended unit 4.

Specifically, the protective housing includes a wireless charging receiver, an extended PCBA and an extension unit, and it is understood that the wireless charging receiver is used for receiving reverse charging of the tablet pc, and the extended printed circuit board (Printed Circuit Board Assembly, PCBA) is (Printed Circuit Board, PCB) blank, which is loaded by a surface mount technology (Surface Mounted Technology, SMT), and then subjected to the entire process of Dual In-line Package (DIP) Package. The expansion unit is generally a device corresponding to an expansion function added in addition to the protective case, such as a keyboard, an LED display screen, or a capacitive pen. The wireless charging receiver receives energy sent by the wireless transmitting source, wherein the connection between the wireless charging receiver and the wireless transmitting source is magnetic connection, and when the wireless charging receiver is close to the wireless transmitting source, the wireless charging receiver indicates that the wireless charging receiver is connected currently. The proximity of the wireless charging receiver and the wireless transmitting source is based on the principle of magnetic attraction. The magnetic charger solves the problem that the coil cannot charge the battery, and combines the wired stability and wireless convenience. The wireless receiver of filling is connected with extension PCBA, and extension PCBA is connected with extension unit, and extension PCBA is used for receiving the energy of wireless receiver of filling, converts energy into the power supply energy of extension unit power supply.

As a preferred embodiment, the wireless charging receiver comprises a wireless charging receiving coil and a wireless charging receiving PCBA;

the wireless charging and receiving coil is connected with a wireless transmitting source in the tablet computer through magnetic attraction;

Specifically, the wireless charging coil principle uses electromagnetic wave induction and related communication induction technology, and corresponding coils are used at the transmitting and receiving ends to transmit and receive the communication signals for charging, so that the wireless charging can be completed only by a host with the coils for receiving the signals, and the single-layer fine hollow coil is mainly used for short wave and medium wave loops. If the wire is thicker, and the single-layer fine air-core coil with smaller coil diameter can be wound without adopting a coil framework, the multi-layer fine air-core coil can obtain larger inductance, and the inductance of the single-layer fine air-core coil of the wireless charging coil is smaller only in size and distribution capacitance and is in general condition, and if the coil volume is reduced, more inductance is obtained, and the selection of the inductance coil with the magnetic core structure can be considered.

The wireless receiving coil is connected with the wireless receiving PCBA, and the wireless PCBA is connected with the extended PCBA. Fig. 2 is a connection structure diagram of a wireless charging receiver according to an embodiment of the present utility model, and as shown in fig. 2, a wireless charging receiving coil 8 is connected with a wireless transmitting source 6 in a tablet computer 5 through magnetic attraction; the wireless charging and receiving coil 8 is connected with the wireless charging and receiving PCBA7, and the wireless charging and receiving PCBA7 is connected with the extended PCBA 3.

It will be appreciated that the extended PCBA may be a keyboard, LED display screen, capacitive pen, or the like, as one embodiment, the extended PCBA includes a keyboard PCBA and/or an LED panel control PCBA;

correspondingly, the expansion unit comprises a keyboard and/or an LED panel;

the LED panel controls PCBA and LED panel to set up in the display groove of protective housing, and the LED panel is used for showing the remark information of panel computer.

Specifically, when the extended PCBA includes a keyboard PCBA and/or an LED panel control PCBA, its corresponding extension unit is a keyboard and/or an LED panel. The keyboard PCBA and the keyboard are arranged in the accommodating cavity of the protective shell and are used for clamping the keyboard PCBA and the keyboard. The LED panel control PCBA and the LED panel are arranged in the display groove of the protective shell, the LED panel is used for displaying display time, information and the like of the tablet personal computer, and when the protective shell closes the tablet personal computer, the corresponding LED panel can be used as a small screen of the tablet personal computer.

The embodiment of the utility model provides a protective shell of a tablet personal computer, which comprises a wireless charging receiver, an expansion PCBA and an expansion unit, wherein the tablet personal computer is accommodated in a groove of the protective shell for accommodating the tablet personal computer; the wireless charging receiver is used for receiving energy sent by a wireless transmitting source in the tablet personal computer, wherein the wireless charging receiver is connected with the wireless transmitting source through magnetic attraction; the wireless receiver of filling is connected with extension PCBA, and extension PCBA is connected with extension unit, and extension PCBA is used for receiving the energy of wireless receiver of filling, converts energy into the power supply energy of extension unit power supply. The protection shell is used for charging all external power sources corresponding to peripheral products (expansion units) by the tablet personal computer, energy sent by a wireless transmitting source of the tablet personal computer is received by a wireless charging receiver in the protection shell, and the received energy is converted into power supply energy required by the expansion units so that the expansion units can work normally. The external power supply is not required to be inserted independently, so that the external power supply is reduced to charge the expansion unit so as to reduce the external power supply requirement, and the whole application product is more convenient to use.

On the basis of the embodiment, the protective shell further comprises a battery;

one end of the battery is connected with the wireless charging receiving PCBA, and the other end is connected with the extended PCBA.

Specifically, the battery is used for providing electric quantity for the extension unit, and meanwhile, the wireless charging receiving PCBA of the battery is used for providing energy for the battery. Fig. 3 is a structural diagram of a protective case of a tablet computer according to an embodiment of the present utility model, and as shown in fig. 3, one end of a battery 9 is connected to one end of a wireless charging receiving PCBA7, and the other end is connected to one end of an extended PCBA 3.

As one embodiment, the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and the battery includes a first battery and a second battery when the extended unit includes a keyboard and an LED panel;

Specifically, the same battery can supply power to the keyboard PCBA and the LED panel control PCBA of the extended PCBA, one end of the battery is connected with the wireless charging and receiving PCBA, and the other end of the battery is connected with the keyboard PCBA and the LED panel control PCBA. As another example, battery powered different PCBAs may be provided, i.e., the battery includes a first battery and a second battery; one end of the first battery and one end of the second battery are respectively connected with the wireless charging receiving PCBA, and the other end of the first battery is connected with the keyboard PCBA; the other end of the second battery is connected with the LED panel control PCBA.

In addition, when the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and the extended unit includes a keyboard and an LED panel, the wireless charging reception PCBA is connected with the extended PCBA, comprising:

the wireless charging receiving PCBA is connected with the keyboard PCBA and the LED panel control PCBA respectively;

correspondingly, the extended PCBA is connected with an extension unit, comprising:

the keyboard PCBA is connected with the keyboard;

the LED panel control PCBA is connected with the LED panel.

Specifically, each extended PCBA is connected with each extended unit correspondingly, namely, the wireless charging receiving PCBA is connected with the keyboard PCBA and the LED panel control PCBA respectively, and the keyboard PCBA is connected with the keyboard; the LED panel control PCBA is connected with the LED panel.

When the extended PCBA comprises the keyboard PCBA and the LED panel control PCBA, and the extended unit comprises the keyboard and the LED panel, the connection relation of the battery and the connection relation of the extended PCBA to the extended unit ensure the normal operation of the keyboard and the LCE panel.

On the basis of the above embodiment, in order to increase the experience of the user, the keyboard further comprises a keyboard lamp, wherein the keyboard lamp is positioned below the keycap of the keyboard and is connected with the keyboard PCBA, and the keyboard PCBA is used for turning off the keyboard lamp when the power supply energy is smaller than the threshold value.

It can be understood that the tablet personal computer transmits energy, and the energy is converted into energy for power supply through the wireless charging and receiving module, so that the power supply energy is smaller. When the expansion unit includes a keyboard and an LED panel, in order to make full use of the power supply energy so that both expansion units can be used, it turns off the keyboard lamp of the keyboard to save the power supply energy for the normal operation of the LED panel.

The energy of the tablet personal computer is smaller, so that the energy-saving process is also considered by the electric quantity used by the peripheral products of the corresponding protective shell, and the energy of the tablet personal computer is applied to the normal work of the peripheral products.

As an embodiment, the protective housing is further provided with a groove of the capacitance pen, and the capacitance pen and the tablet computer are magnetically charged.

It can be understood that the principle of the capacitance pen is an active capacitance pen with a pressure sensing device, a touch switch is arranged on the pen body, and a Bluetooth connection function is built in. All the principles of wireless charging are electromagnetic induction, just whether the protocol is open or whether the difference in general protocol is used. In essence, the magnetic attraction charging of the second-generation pen is realized by two sets of magnets and two sets of coils. The magnet is fixed, the tablet personal computer end coil generates a variable magnetic field, the capacitive pen end coil receives and converts the variable magnetic field into an electric signal, and the capacitive pen battery can be charged through rectification.

The protective shell provided by the embodiment of the utility model is also provided with the groove of the capacitance pen, and the capacitance pen and the tablet personal computer are magnetically charged. The recess that the electric capacity pen was placed sets up in the protective housing department, and electric capacity pen charges with panel computer magnetism suction type the same with the charging type of other extension units of protective housing. The capacitive pen does not need an independent external power supply, so that the experience of a user is improved.

Finally, the embodiment of the present utility model further provides a wireless charging system, which includes the above-mentioned protective case of the tablet pc, and since the above description of each component is detailed, the embodiment is not repeated.

The utility model provides a wireless charging system, which comprises a protective shell, wherein the protective shell comprises a wireless charging receiver, an expansion PCBA and an expansion unit, and a tablet personal computer is accommodated in a groove of the protective shell for accommodating the tablet personal computer; the wireless charging receiver is used for receiving energy sent by a wireless transmitting source in the tablet personal computer, wherein the wireless charging receiver is connected with the wireless transmitting source through magnetic attraction; the wireless receiver of filling is connected with extension PCBA, and extension PCBA is connected with extension unit, and extension PCBA is used for receiving the energy of wireless receiver of filling, converts energy into the power supply energy of extension unit power supply. The protection shell is used for charging all external power sources corresponding to peripheral products (expansion units) by the tablet personal computer, energy sent by a wireless transmitting source of the tablet personal computer is received by a wireless charging receiver in the protection shell, and the received energy is converted into power supply energy required by the expansion units so that the expansion units can work normally. The external power supply is not required to be inserted independently, so that the external power supply is reduced to charge the expansion unit so as to reduce the external power supply requirement, and the whole application product is more convenient to use.

As an embodiment, when the extension unit is a keyboard, fig. 4 is a schematic circuit diagram of a protective case of a tablet computer provided by the embodiment of the present utility model, and fig. 5 is a schematic structure diagram of the protective case of the tablet computer provided by the embodiment of the present utility model, as shown in fig. 4, a wireless charging and receiving coil 8 is connected with a wireless transmitting source 6 in the tablet computer 5 through magnetic attraction; the wireless receiving coil 8 is connected with the wireless receiving PCBA7, the wireless receiving PCBA7 is connected with one end of the battery 9 and is connected with the keyboard PCBA10, the other end of the battery 9 is connected with the keyboard PCBA10, and the keyboard PCBA10 is connected with the keyboard 11.

When the extension unit is an LED panel, fig. 6 is a schematic circuit diagram of a protective case of another tablet computer provided by the embodiment of the present utility model, and fig. 7 is a schematic structural diagram of the protective case of another tablet computer provided by the present utility model, as shown in fig. 6, the wireless charging and receiving coil 8 is connected with the wireless transmitting source 6 in the tablet computer 5 through magnetic attraction; the wireless receiving coil 8 is connected with the wireless receiving PCBA7, the wireless receiving PCBA7 is connected with one end of the battery 9 and is connected with the LED panel control PCBA12, the other end of the battery 9 is connected with the LED panel control PCBA12, and the LED panel control PCBA12 is connected with the LED panel 13.

For the description of the circuit principle and the structural schematic diagram of the protective shell of the tablet personal computer when the extension units provided by the utility model are the keyboard and the LED panel respectively, refer to the above method embodiment, and the utility model is not repeated herein, and has the same beneficial effects as the protective shell of the tablet personal computer.

The protection shell and the wireless charging system of the tablet personal computer provided by the utility model are described in detail. In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a protective housing of panel computer, its characterized in that, the protective housing includes wireless receiver, extension PCBA and extension unit that fills, the panel computer holding is in the recess of holding panel computer of protective housing;

2. The protective case of a tablet computer of claim 1, wherein the wireless charging receiver comprises a wireless charging receiving coil and a wireless charging receiving PCBA;

3. The protective case of a tablet computer of claim 2, wherein the extended PCBA includes a keyboard PCBA and/or an LED panel control PCBA;

correspondingly, the expansion unit comprises a keyboard and/or an LED panel;

4. The protective case of a tablet computer of claim 2, further comprising a battery;

5. The protective case of a tablet computer of claim 3, wherein the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and wherein the wireless charging receive PCBA is connected with the extended PCBA when the extension unit includes a keyboard and an LED panel, comprising:

the keyboard PCBA is connected with the keyboard;

the LED panel control PCBA is connected with the LED panel.

6. The protective case of a tablet computer of claim 4, wherein the extended PCBA includes a keyboard PCBA and an LED panel control PCBA, and the battery includes a first battery and a second battery when the extended unit includes a keyboard and an LED panel;

7. The protective case of a tablet computer of claim 5, wherein the keyboard comprises a keyboard light;

8. The protective case of a tablet computer according to any one of claims 1 to 7, further provided with a recess of a capacitive pen, the capacitive pen being magnetically chargeable with the tablet computer.

9. A wireless charging system comprising the protective case of a tablet computer of any one of claims 1 to 8.