TW201618640A - Rear case featuring wireless charging - Google Patents

Abstract

The invention is a rear case featuring wireless charging comprising a case body, a charging unit and a charging battery. A side of the case body is disposed with a signal receiving unit. The signal receiving unit receives a power energy signal. The charging unit is disposed in the case body and electrically connected to the signal receiving unit for receiving the power energy signal. The charging battery is disposed in the case body and electrically connected to the charging unit. The power energy signal is provided by the charging unit to the charging battery for charging after conversion. The invention installs the rear case to an electronic device in an electrical connection manner. The rear case can charge the electronic device, and the rear case can be used to perform wireless charging for the electronic device as well.

Description

Back cover with wireless charging 【0001】

The present invention relates to a back cover of an electronic device, and more particularly to a back cover having wireless charging that can be used to receive a power energy signal.

【0002】

Today's technology information is increasingly diversified, inventing many electronic technology products, making human life more convenient. Among these various electronic products, there are mobile phones, tablets, cameras or notebook computers, etc., each Electronic products will have their own unique charging sockets. When these many electronic products are to be charged, it will inevitably cause confusion and knotting, and the plugs or sockets of these electronic products may wear and wear after years of use. Rust and so on affect charging. In order to solve the above problems, wireless charging technology has been developed in recent years, and wireless charging technology can effectively get rid of the troubles of too many charging lines in the past.

[0003]

Overall, wireless charging technology is a very useful feature that allows users to charge electronic devices without wires or USB plugs. This technology can be applied not only to handheld electronic devices, but also to wireless charging technology for public facilities or electric vehicles. For example: laptop, TV, or wireless charging device for electric vehicles. The commercial value of magnetic resonance wireless charging applications is promising, and the association and many large manufacturers are also developing.

[0004]

The wireless power transmission technology related to the prior art can be divided into three types: electromagnetic induction, electromagnetic resonance and radio reception. At present, the wireless transmission technology is relatively mature, and the transmission distance is very short. The transmission efficiency, but the transmission distance increases, the transmission efficiency decreases extremely fast, and the coil alignment is also a major issue of the technology. The electromagnetic resonance system uses the resonance principle of the same frequency at the transmitting end and the receiving end to efficiently transmit energy, and the radio receiving It is a direct rectification of the radio into a direct current, without the need for a battery and amplifier principle and the same radio.

[0005]

However, according to the prior art, the wireless charging technology is installed in the electronic device, and the electronic device can be wirelessly charged. In this way, for the electronic device that is now thin and light, the wireless charging technology is set to the electronic device. In the device, it must be light and thin, and the design of the internal parts of the mobile phone is bound to become more difficult. How to use the wireless charging method without affecting the structure of the mobile phone itself, the public needs to work together to solve the problem. The problem.

[0006]

The present invention is improved in view of the above-mentioned disadvantages of the prior art, and provides a back cover having wireless charging, comprising a casing, which can be used for mounting and electrically connecting an electronic device, and then using a power supply device The housing is wirelessly charged to cause the housing to charge the electronic device.

【0007】

An object of the present invention is to provide a back cover having a wireless charging, which is provided with a casing and electrically connected to an electronic device, and then the housing is wirelessly charged by a power supply device, and the casing is further The electronic device is charged.

[0008]

An object of the present invention is to provide a back cover having wireless charging, which has a rechargeable battery in a casing, wirelessly charging the rechargeable battery of the casing by using a power supply device, and indirectly utilizing the rechargeable battery pair The electronic device is charged.

【0009】

In order to achieve the above-mentioned purpose and effect, the present invention is a back cover having a wireless charging, comprising a casing, a charging unit and a rechargeable battery, and a signal receiving unit is disposed on the side of the casing, the signal receiving The unit receives a power energy signal, the charging unit is disposed in the housing, and is electrically connected to the signal receiving unit, and receives the power energy signal, and the rechargeable battery is disposed in the housing, and is electrically The charging unit is connected, and the power energy signal is converted by the charging unit to be charged to the rechargeable battery.

10‧‧‧shell
11‧‧‧Electronic devices
100‧‧‧Power Energy Signal
101‧‧‧Electromagnetic induction signal
1011‧‧‧First coil
1012‧‧‧second coil
102‧‧‧Electromagnetic resonance signal
1021‧‧‧Send
1022‧‧‧ Receiver
103‧‧‧ radio waves
1031‧‧‧Transmission antenna
1032‧‧‧ receiving antenna
110‧‧‧Signal receiving unit
111‧‧‧First electrical connection埠
120‧‧‧ accommodating slots
130‧‧‧Second electrical connection埠
20‧‧‧Charging unit
30‧‧‧Rechargeable battery
40‧‧‧Power supply unit
410‧‧‧Signal sending unit
420‧‧‧Charging connection埠
430‧‧‧Electrical cable
431‧‧‧First charging connector
432‧‧‧Second charging connector
50‧‧‧External power supply

[0010]

1A is a schematic diagram of a back shell with wireless charging according to a first embodiment of the present invention;
1B is a schematic diagram of a charging process of a back shell with wireless charging according to the first embodiment of the present invention;
2 is a schematic diagram of a charging process of an electromagnetic induction signal with a wireless charging back shell according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram showing a charging process of an electromagnetic resonance signal with a wireless charging back shell according to a third embodiment of the present invention; FIG.
FIG. 4 is a schematic diagram of a charging process of a radio wave signal with a wireless charging back shell according to a fourth embodiment of the present invention;
FIG. 5 is a schematic diagram of a wireless charging method according to second to fourth embodiments of the present invention; and a sixth diagram: a supply device having a wireless charging back shell according to the first embodiment of the present invention; Charging diagram.

[0011]

In order to provide a better understanding and understanding of the features and the efficacies of the present invention, the preferred embodiment and the detailed description are as follows:

[0012]

In view of the fact that today's smart phones, tablets or notebooks are lighter and thinner, it is necessary to further set up a wireless charging device for charging in existing electronic devices, but with regard to existing electronic device technologies, Because the electronic device is required to be light, thin, or portable, the internal space of the electronic device is fully and effectively utilized, so it is difficult to further set the wireless signal charging device to the existing electronic device. In the electronic device, if the wireless signal charging device is installed in the electronic device, the electronic device is loaded to the entire weight, and the whole body is thickened, which is inconvenient to carry around. Therefore, the present invention is directed to the above-mentioned conventional technical disadvantages. Make improvements.

[0013]

Please refer to FIG. 1A and FIG. 1B, which are diagrams showing a schematic diagram of a back-shell with wireless charging and a charging flow according to the first embodiment of the present invention; as shown in the figure, one of the embodiments has wireless charging. The back cover includes a casing 10, a charging unit 20 and a rechargeable battery 30. One side of the casing 10 is provided with a signal receiving unit 110. The signal receiving unit 110 receives a power energy signal 100. The charging is performed. The unit 20 is disposed in the housing 10 , and the charging unit 20 receives the power energy signal 100 , and the rechargeable battery 30 is disposed in the housing 10 . The rechargeable battery 30 is electrically connected to the charging unit 20, and the power energy signal 100 is converted by the charging unit 20 and then charged to the rechargeable battery 20.

[0014]

As described above, in the embodiment, an electronic device 11 is provided with the housing 10, and the electronic device 11 is a notebook computer, a tablet computer or a mobile communication device, and the electronic device 11 has a first electrical connection port 111. The housing 10 has a accommodating slot 120, and a second electrical connector 130 is disposed in the accommodating slot 120 relative to the first electrical connector 111 of the electronic device 11. The accommodating slot 120 is disposed. The electronic device 11 can be mounted therein, and the electronic device 11 is electrically connected to the second electrical connection port 130 of the housing 10, and further, a power supply device 40 is obtained. The power supply device 40 is disposed on one side of the housing 10. The power supply device 40 has a signal sending unit 410. The signal sending unit 410 can send the power energy signal 100, and the signal receiving unit 410 can receive the power energy. The signal 100 is further converted by the charging unit 20 to charge the rechargeable battery 30, and the rechargeable battery 30 supplies power to the electronic device 11.

[0015]

In this embodiment, a back cover having a wireless charging is used. In use, the case 10 is electrically connected to the electronic device 11 and the case 10 is wirelessly charged by the power supply device 40. The housing 10 can supply power to the electronic device 11 electrically connected to the housing 10 in addition to the electrical energy itself, and the housing 10 can be used from the electronic device when not in use. 11 is removed, so that the electronic device 11 maintains its own convenient carrying and thinning characteristics, and the housing 10 can be additionally charged and stored.

[0016]

Please refer to the second figure, which is a schematic diagram of the charging process of the electromagnetic induction signal with the wireless charging back shell according to the second embodiment of the present invention; as shown in the figure, the difference between the embodiment and the first embodiment is that The signal transmitting unit 410 of the power supply device 40 and the signal receiving unit 110 of the housing 10 are charged by electromagnetic induction, and the signal transmitting unit 410 transmits an electromagnetic induction signal 101, and the signal receiving unit 110 The electromagnetic induction signal 101 is received, wherein the signal transmitting unit 410 is a first coil 1011, and the signal receiving unit 110 is a second coil 1012, and the current is passed through the first coil 1011. A magnetic field is generated around the first coil 1011, and the second coil 1012 that is not energized is placed on one side of the first coil 1011, and a current is generated in the coil that does not pass current, and a current flows through the charging unit 20 After the conversion, the battery is transferred to the rechargeable battery 30 for storage.

[0017]

Please refer to the third figure, which is a schematic diagram of the charging process of the electromagnetic resonance signal with the wireless charging back shell according to the third embodiment of the present invention; as shown in the figure, the difference between the embodiment and the first embodiment is that The signal transmitting unit 410 of the power supply device 40 and the signal receiving unit 110 of the housing 10 are charged by electromagnetic resonance, and the signal transmitting unit 410 transmits an electromagnetic resonance signal 102, and the signal receiving unit 110 Receiving the electromagnetic resonance signal 102, wherein the signal transmitting unit 410 is a transmitting end 1021, and the signal receiving unit 110 is a receiving end 1022, and the transmitting end 1021 and the receiving end 1022 are completely matched by the two specifications. The transmitting end 1021 and the receiving end 1022 are adjusted to the same frequency, or the transmitting end 1021 resonates at a specific frequency, and the transmitting end 1021 and the receiving end The end 1022 generates electromagnetic resonance energy exchange energy, and the energy is converted by the charging unit 20 and then transferred to the rechargeable battery 30 for storage.

[0018]

Please refer to FIG. 4, which is a schematic diagram of a charging process of a radio wave signal with a wireless charging back cover according to a fourth embodiment of the present invention; as shown in the figure, the difference between this embodiment and the first embodiment is that The signal transmitting unit 410 of the power supply device 40 and the signal receiving unit 110 of the casing 10 are charged by radio waves, and the signal transmitting unit 410 transmits a radio wave signal 103, and the signal receiving unit 110 Receiving the radio wave signal 103, wherein the signal transmitting unit 410 is a transmitting antenna 1031, and the signal receiving unit 110 is a receiving antenna 1032, and the current is converted into a radio wave through the transmitting antenna 1031. The receiving antenna 1032 receives the radio wave and converts it into a voltage for charging, and the radio wave signal 103 is extremely high frequency (EHF), ultra high frequency (SHF), ultra high frequency (UHF), very high frequency (VHF), High frequency (HF), intermediate frequency (MF), low frequency (LF), very low frequency (VLF), ultra low frequency (ULF), ultra low frequency (SLF), extreme low frequency (ELF) and other frequency bands, and with Bluetooth, Wifi, z The igbee and the like are commonly used frequency bands, and the radio wave signal 103 supplies energy to the charging unit 20 for conversion, and then transmitted to the rechargeable battery 30 for storage.

[0019]

Please refer to FIG. 5, which is a schematic diagram of the wireless charging mode according to the second to fourth embodiments of the present invention. As shown in the figure, the present invention can use the above three methods to allow the housing 10 to receive electromagnetic induction signals. One of the electromagnetic resonance signals or the radio wave signals is charged, and the casing 10 indirectly supplies power to the electronic device 11, and the present invention can provide the power supply device 40 in an indoor space, and the power supply device 40 can Sending the above three signals (electromagnetic induction signal, electromagnetic resonance signal or radio wave signal) to the surrounding area, and wirelessly charging all the spatial ranges that can be transmitted to the surrounding signal, in other words, when the single or multiple housings 10 enter Within this spatial range, the power supply device 40 charges a single or multiple electronic devices in the space. The present invention can be used in various locations and open spaces, and can be charged in one-to-one or one-to-many manner. , bringing great convenience.

[0020]

Please refer to the sixth figure, which is a schematic diagram of the charging device of the wireless charging backing case according to the first embodiment of the present invention; as shown in the figure, the power supply device 40 of the embodiment has a charging connection. The first charging connector 431 is electrically connected to the charging connector 420, and the other end of the electrical connector 430 is a second charging connector 432. The charging connector 432 is electrically connected to an external power source 50. The second charging connector 432 is a USB, a Mini USB, a Micro USB, or a USB for the iPhone/iPad/iPod series, or a power plug for cooperating with the utility power. The power supply device 40 can be electrically connected to direct current or alternating current for charging.

[0021]

In summary, the present invention relates to a back cover having a wireless charging, the back case being electrically connected to an electronic device, and being placed on one side of the back case by the power supply device, the power supply device Providing the power energy signal, the back shell receives the power energy signal, and further stores the rechargeable battery in the back shell, and indirectly charges the electronic device, and uses the back shell to charge When not in use, the back cover can be removed without increasing the weight of the electronic device and the design concept of keeping the mobile device thin and light, and it is convenient to carry around.

[0022]

Therefore, the present invention is indeed an invention that is novel, progressive, and available for industrial use. It should be in accordance with the requirements of the patent application of the patent law of China. Undoubtedly, the invention patent application is filed according to law, and the prayer bureau will grant the patent as soon as possible. sense.

[0023]

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, so that the shapes, structures, features, and spirits described in the claims of the present invention are equally changed. Modifications are intended to be included in the scope of the patent application of the present invention.

10‧‧‧shell

11‧‧‧Electronic devices

100‧‧‧Power Energy Signal

110‧‧‧Signal receiving unit

111‧‧‧First electrical connection埠

130‧‧‧Second electrical connection埠

20‧‧‧Charging unit

30‧‧‧Rechargeable battery

40‧‧‧Power supply unit

410‧‧‧Signal sending unit

420‧‧‧Charging connection埠

Claims (10)

[Item 1] A back cover with wireless charging, comprising:
a casing, a signal receiving unit is disposed on a side of the casing, and the signal receiving unit receives a power energy signal;
a charging unit disposed in the housing and electrically connected to the signal receiving unit and receiving the power energy signal; and a rechargeable battery disposed in the housing and electrically connected to the charging The unit converts the power energy signal through the charging unit and then charges the rechargeable battery. [Item 2] The back cover having a wireless charging as described in claim 1, wherein the housing has a receiving groove, and the receiving groove has an electrical connection port. [Item 3] The wireless charging back shell according to claim 1, wherein the power energy signal is an electromagnetic induction signal, an electromagnetic resonance signal or a radio wave signal. [Item 4] The back cover having a wireless charging as described in claim 1, wherein the signal receiving unit corresponds to one of the signal transmitting units on a power supply device. [Item 5] The wireless charging back cover according to the fourth aspect of the invention, wherein the signal transmitting unit and the signal receiving unit are electromagnetic induction signals, the signal transmitting unit has a first coil, and the signal receiving unit has a The second coil is disposed on one side of the second coil, and the first coil generates an induced electromotive force to the second coil after passing current. [Item 6] The back cover having a wireless charging as described in claim 4, wherein the signal transmitting unit is an electromagnetic resonance signal between the signal receiving units, the signal transmitting unit has a transmitting end, and the signal receiving unit has At a receiving end, the transmitting end emits an energy to the receiving end by using a resonance principle of the same frequency. [Item 7] The wireless charging back cover according to claim 4, wherein the signal transmitting unit is a radio wave signal between the signal receiving units, the signal transmitting unit has a transmitting antenna, and the signal receiving unit has a A receiving antenna that transmits a radio wave to the receiving antenna for reception. [Item 8] The wireless charging back shell according to claim 7, wherein the radio wave is extremely high frequency (EHF), ultra high frequency (SHF), ultra high frequency (UHF), very high frequency (VHF), High frequency (HF), intermediate frequency (MF), low frequency (LF), very low frequency (VLF), ultra low frequency (ULF), ultra low frequency (SLF), very low frequency (ELF). [Item 9] The wireless charging backing case according to claim 4, wherein the power supply device has a charging port, and the charging port is electrically connected to a direct current or an alternating current. [Item 10] The wireless charging backing shell according to claim 9 is further provided, wherein one end of an electrical connecting line and a first charging connecting end are electrically connected to the charging connecting port, and the other end of the electrical connecting line is a second charging connector, the second charging connector is electrically connected to an external power source, wherein the second charging connector is USB, Mini USB, Micro USB or USB for the iPhone/iPad/iPod series or Mains with the power plug.