CN210629128U - Charging device - Google Patents
Charging device Download PDFInfo
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- CN210629128U CN210629128U CN201921213156.2U CN201921213156U CN210629128U CN 210629128 U CN210629128 U CN 210629128U CN 201921213156 U CN201921213156 U CN 201921213156U CN 210629128 U CN210629128 U CN 210629128U
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- charging
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- circuit board
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Abstract
The utility model provides a charging device relates to the wireless technical field that charges, has solved mobile terminal and has charged and need carry many data lines, carries inconvenience, the inconvenient problem of operation. The utility model discloses a main technical scheme does: a charging device comprising a battery and a coil; the coil is electrically connected with the battery; the battery is used for providing electric energy for the coil; the coil is used for radiating signals outwards so as to generate energy. The embodiment of the utility model provides a pair of charging device, charging device adopt wireless charging technique to charge for waiting to charge external equipment, and wherein, the signal of telecommunication of battery passes through the coil and outwards transmits electromagnetic signal, waits to charge external equipment and receives behind the electromagnetic signal and produces electric current to make and wait to charge external equipment and charge, need not to use the data line in charging process, realized that charging device treats that the external equipment that charges carries out wireless charging.
Description
Technical Field
The utility model relates to a wireless charging technology field especially relates to a charging device.
Background
Along with the popularization of mobile terminal equipment such as smart phones and tablet computers, the charger is widely applied as portable charging equipment, and can charge the mobile terminal equipment such as smart phones and tablet computers anytime and anywhere.
At present, the treasured that charges is charged mobile terminal and is mostly connected through USB (Universal Serial Bus) data line and charges, and when mobile terminal's the interface type that charges is different, then need use the data line of different grade type interface just can connect mobile terminal and charge, if the user has carried a plurality of mobile terminal, and wherein there is the different circumstances of interface type that charges, then the user need carry many data lines, cause for the user like this and carry inconveniently.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a charging device can realize charging the treasured and carry out wireless charging to mobile terminal.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
on the one hand, the embodiment of the utility model provides a charging device, include:
a battery and a coil;
the coil is electrically connected with the battery;
the battery is used for providing electric energy for the coil;
the coil is used for radiating signals outwards so as to generate energy.
Optionally, the charging device further includes an electric circuit board, the battery and the coil are sequentially stacked on the charging circuit board, and the battery and the coil are electrically connected to the charging circuit board.
Optionally, in the charging device, the battery is disposed on a side of the charging circuit board, and a part of the battery is disposed on the charging circuit board, and a part of the battery protrudes out of the charging circuit board.
Optionally, the charging device further includes a matching circuit;
the matching circuit is electrically connected with the charging circuit board and used for adjusting the working frequency of the coil.
Optionally, in the charging device, the coil cooperates with the matching circuit to adjust the operating frequency of the coil according to an external device to be charged;
the coil receives the working frequency of the external equipment to be charged and adjusts the working frequency of the coil to be matched with the working frequency of the external equipment to be charged through the matching circuit.
Optionally, the charging device further includes a charging interface, and the charging interface is electrically connected to the charging circuit board and is used for being connected to an external charging device and providing energy.
Optionally, the charging device further includes a protection circuit electrically connected to the charging circuit board for over-temperature and/or over-voltage and/or over-current protection.
Optionally, the charging device further includes a driving circuit, the driving circuit is electrically connected to the charging circuit board and is configured to convert an output signal of the battery into an ac voltage signal, a direct digital frequency synthesis module is disposed in the driving circuit, and the direct digital frequency synthesis module is configured to adjust a frequency and a waveform of the output signal of the battery.
Optionally, the charging device further includes a charging data line, one end of the charging data line is connected to the battery, and the other end of the charging data line has a charging port, where the charging port is used to connect an external power supply for charging the battery.
The embodiment of the utility model provides a pair of charging device, charging device adopt wireless charging technique to charge for waiting to charge external equipment, and wherein, the signal of telecommunication of battery passes through the coil and outwards transmits electromagnetic signal, waits to charge external equipment and receives behind the electromagnetic signal and produces electric current to make and wait to charge external equipment and charge, need not to use the data line in charging process, realized that charging device treats that the external equipment that charges carries out wireless charging.
Drawings
Fig. 1 is a block diagram of a charging device according to an embodiment of the present invention;
fig. 2 is a block diagram of another charging device according to an embodiment of the present invention;
fig. 3 is a block diagram of another charging device according to an embodiment of the present invention;
fig. 4 is a block diagram of another charging device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a charging device, including: a battery 1 and a coil 2; the coil 2 is electrically connected with the battery 1 and used for radiating signals to the outside and providing energy.
Specifically, in order to realize that the charging device wirelessly charges the external device to be charged, the utility model adopts the technical scheme that the battery 1 and the coil 2 are arranged in the charging device, and the battery 1 is provided to supply power to the coil 2, so that when the external device to be charged is close to the charging device, the coil 2 can outwards turn out a radiation signal to further provide energy for the external device to be charged, and the wireless charging is realized without using a data line for connection in the charging process; the way of generating the radiation signal between the coil 2 and the external device to be charged may include: electromagnetic induction, radio waves, and electromagnetic resonance, which are not specifically limited herein; specifically, the battery 1 and the coil 2 are sequentially stacked on the charging circuit board 3, and both the battery 1 and the coil 2 are electrically connected to the charging circuit board 3, where the upper side of the charging circuit board 3 refers to the front side of the charging circuit board 3, and may also be understood as the side close to or in contact with an external device to be charged in practical application, the battery 1 is disposed above the charging circuit board 3, and the coil 2 is disposed above the battery 1; the battery 1 is a storage battery well known to those skilled in the art, and is not limited herein, the coil 2 is a high-frequency or low-frequency coil, and may be set according to the need of an external device to be charged, for example, when a mobile phone is wirelessly charged, the coil 2 needs to be matched with a low-frequency antenna (NFC) in the mobile phone, and at this time, the coil 2 is a low-frequency antenna (NFC) having the same frequency as the low-frequency antenna (NFC) in the mobile phone.
This according to the above list, the embodiment of the utility model provides a charging device, in concrete implementation, battery 1 sets up on one side of charging circuit board 3, and part battery 1 sets up on charging circuit board 3, part battery 1 is outstanding outside charging circuit board 3.
Specifically, in order to guarantee battery 1's radiating efficiency can with charging circuit board 3 electricity is connected, the utility model discloses in the technical scheme who takes, will battery 1's some sets up charging circuit board 3 is last, be exactly partly with charging circuit board 3 overlaps mutually, and another part then is proposed outside charging circuit board 3, because battery 1 with must carry out the electricity between the charging circuit board 3 and connect, direct electricity is connected better than the indirect linkage effect of wire so, more save space, so guarantee battery 1 with under the prerequisite of direct electricity connection between charging circuit board 3, still guarantee battery 1's radiating efficiency, so will battery 1's partial structure salient with outside charging circuit board 3, carry out good heat dissipation.
Further, referring to fig. 2, in a specific implementation, the charging device provided in the embodiment of the present invention further includes a matching circuit 4;
the matching circuit 4 is electrically connected with the charging circuit board 3 and is used for adjusting the working frequency of the coil 2.
Specifically, in order to realize the wireless charging of the external device to be charged by the charging device provided by the utility model, the matching circuit 4 is arranged on the charging circuit board 3, and the coil 2 and the matching circuit 4 are matched to adjust the working frequency of the coil 2 according to the external device to be charged; the coil 2 receives the working frequency of the external equipment to be charged and adjusts the working frequency of the coil 2 to be matched with the working frequency of the external equipment to be charged through the matching circuit 4; that is to say, when treating that the external equipment that charges is close to the utility model provides a during charging device, coil 2 senses the transmission or the receiving frequency of waiting to charge corresponding coil in the external equipment, and then passes through matching circuit 4 adjusts self also be the frequency of 2 transmitting signal of coil for self transmitting signal's frequency is the same with the transmission or the receiving frequency of waiting to charge corresponding coil in the external equipment, just can realize aforementioned electromagnetic induction, radio wave and electromagnetic resonance.
Further, refer to fig. 3, the embodiment of the present invention provides a charging device, in concrete implementation, further including interface 5 charges, charge interface 5 with charging circuit board 3 electricity is connected for be connected and provide the energy with the external charging equipment of taking.
Specifically, in order to enable the charging device provided by the embodiment of the present invention to have the function of wireless charging and wired charging at the same time, in the technical solution adopted by the present invention, the charging interface 5 is further disposed on the charging circuit board 3, the charging interface 5 is used for connecting with an external device to be charged, and the energy in the battery 1 is transmitted to the external device to be charged to charge the external device to be charged; the charging device can realize the function of wireless charging and wired charging, and can also prevent the charging device from losing the charging function when the wireless charging function of the charging device provided by the utility model has problems; the charging interface 5 is an interface capable of data or energy transmission, such as a USB interface, which is well known to those skilled in the art.
Further, referring to fig. 4, the embodiment of the present invention provides a charging device, further comprising a protection circuit 6, wherein the protection circuit 6 is electrically connected to the charging circuit board 3 for over-temperature and/or over-voltage and/or over-current protection.
Specifically, in order to protect the charging process and improve the safety performance of the charging device provided by the present invention, the technical solution adopted by the present invention is that the charging circuit board 3 is provided with the protection circuit 6, and the protection circuit 6 is used for over-temperature and/or over-voltage and/or over-current protection; there are three main forms of circuit protection: the overvoltage protection circuit comprises an overvoltage protection circuit, an overcurrent protection circuit and an overtemperature protection circuit, wherein some devices used by the overvoltage protection circuit comprise a piezoresistor, a transient voltage suppressor, a static suppressor, a discharge tube and the like, some devices used by the overcurrent protection circuit comprise a fuse, a fusing resistor, a circuit breaker and the like, and some devices used by the overtemperature protection circuit comprise a thermistor, a temperature switch, a temperature fuse and the like.
Further, refer to fig. 4, the embodiment of the utility model provides a charging device still includes the alarm, alarm 7 with 3 electricity of charging circuit board are connected, are used for working as send the warning when 3 high temperatures of charging circuit board.
Specifically, in order to protect the charging process and improve the safety performance of the charging device provided by the present invention, the technical solution adopted by the present invention is that the charging circuit board 3 is provided with the alarm 7 for sending an alarm prompt when the temperature of the charging circuit board 3 is too high; the alarm in the form of sound alarm and/or flashing light can be adopted, the alarm function is used, the charging device of a user can be reminded of abnormal phenomena, so that the charging can be stopped in time, the inspection and maintenance can be further carried out, and the use safety is improved.
Further, referring to fig. 4, the embodiment of the present invention provides a charging device, in specific implementation, further includes a driving circuit 8, the driving circuit 8 with the charging circuit board 3 is electrically connected and is used for making the output signal of the battery 1 is changed into an alternating voltage signal, a direct digital frequency synthesis module is provided in the driving circuit 8, the direct digital frequency synthesis module is used for adjusting the frequency and the waveform of the output signal of the battery.
Specifically, in order to realize efficient charging, the utility model discloses in the technical scheme who takes, set up on charging circuit board 3 drive circuit 8, drive circuit 8 is used for making the output signal of battery 1 change into the alternating voltage signal, is provided with Direct Digital Synthesis (DDS) module in drive circuit 8, and Direct Digital frequency Synthesis module is used for adjusting the frequency and the wave form of the output signal of battery; for example, the embodiment of the utility model provides a charging device can adopt electromagnetic resonance's charge mode, and the electric signal loading of battery 1's output signal behind the control circuit that charges makes coil 2 and the corresponding coil of waiting to charge external equipment produce resonance on coil 2, realizes the wireless transmission of energy, and its energy transmission is far away, and wherein, adopt direct digital frequency synthesis technique, have advantages such as low cost, low-power consumption, high resolution and quick conversion time.
Further, referring to fig. 4, the embodiment of the present invention provides a charging device, in specific implementation, further including a charging data line 9, one end of the charging data line 9 is connected to the battery 1, the other end of the charging data line 9 has a charging port, and the charging port is used for connecting an external power source for charging the battery 1.
Specifically, in order to realize the charging of the charging device provided in this embodiment, the utility model adopts the technical scheme that the charging data line 9 is additionally provided, one end of the charging data line 9 is connected to the battery 1, the other end of the charging data line 9 is provided with a charging port, the charging port is used for being connected to a power supply to charge the battery 1, the charging data line 9 is movably connected with the battery 1, the battery 1 is accessed when charging is needed, and the battery 1 is not needed to be charged and is not needed to be inserted; wherein, the charging port of the charging data line 9 can be a USB interface, also can be a plug which can be directly plugged into a power socket, and the charging device provided by the utility model is charged by connecting the charging data line 9 with a power supply; the utility model provides a charging device is from taking charging data line 9, has saved the trouble of carrying the data line of usefulness of charging for charging device in addition.
Further, the utility model provides a charging device except can carrying out wireless charging for waiting to charge external equipment, also can realize carrying out wireless function of charging for charging device self through outside wireless power supply unit simultaneously, concrete implementation mode is: when the external wireless power supply equipment is used for charging the charging device, the external wireless power supply equipment is close to and opposite to the charging device, a coil in the external wireless power supply equipment can transmit an electromagnetic signal to a coil 2 of the charging device, and the coil 2 generates current so as to charge a battery 1 of the charging device; it should be noted that the coil 2 may be a transmitting coil or a receiving coil, that is, has both functions of transmitting and receiving signals; when the charging device does not have electricity and needs to be charged, the charging device can be wirelessly charged by external wireless power supply equipment without being connected with a data line, so that the inconvenience of carrying the data line is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A charging device, comprising:
a battery and a coil;
the coil is electrically connected with the battery;
the battery is used for providing electric energy for the coil;
the coil is used for radiating signals outwards so as to generate energy.
2. The charging device of claim 1, wherein:
still include charging circuit board, the battery with the setting that the coil is range upon range of in proper order is in charging circuit board is last, just the battery the coil all with charging circuit board electricity is connected.
3. The charging device of claim 2, wherein:
the battery is arranged on one side of the charging circuit board, part of the battery is arranged on the charging circuit board, and part of the battery protrudes out of the charging circuit board.
4. The charging device of claim 2, wherein:
also includes a matching circuit;
the matching circuit is electrically connected with the charging circuit board and used for adjusting the working frequency of the coil.
5. The charging device of claim 4, wherein:
the coil is matched with the matching circuit to adjust the working frequency of the coil according to external equipment to be charged;
the coil receives the working frequency of the external equipment to be charged and adjusts the working frequency of the coil to be matched with the working frequency of the external equipment to be charged through the matching circuit.
6. The charging device of claim 2, wherein:
the charging circuit board is electrically connected with the charging circuit board and used for being connected with external charging equipment and providing energy.
7. The charging device of claim 2, wherein:
the protection circuit is electrically connected with the charging circuit board and is used for over-temperature and/or over-voltage and/or over-current protection.
8. The charging device according to any one of claims 2 to 6, wherein:
the alarm is electrically connected with the charging circuit board and used for giving an alarm when the temperature of the charging circuit board is too high.
9. The charging device of claim 2,
the battery charger is characterized by further comprising a driving circuit, wherein the driving circuit is electrically connected with the charging circuit board and used for converting an output signal of the battery into an alternating voltage signal, a direct digital frequency synthesis module is arranged in the driving circuit and used for adjusting the frequency and waveform of the output signal of the battery.
10. The charging device of claim 1, wherein:
still include the charging data line, the one end of charging data line connect in the battery, the other end of charging data line has the port of charging, the port of charging is used for connecting external power source for the battery charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213156.2U CN210629128U (en) | 2019-07-30 | 2019-07-30 | Charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921213156.2U CN210629128U (en) | 2019-07-30 | 2019-07-30 | Charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210629128U true CN210629128U (en) | 2020-05-26 |
Family
ID=70762585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921213156.2U Active CN210629128U (en) | 2019-07-30 | 2019-07-30 | Charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210629128U (en) |
-
2019
- 2019-07-30 CN CN201921213156.2U patent/CN210629128U/en active Active
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