CN210167860U - Remote wireless mobile phone charger - Google Patents
Remote wireless mobile phone charger Download PDFInfo
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- CN210167860U CN210167860U CN201921405276.2U CN201921405276U CN210167860U CN 210167860 U CN210167860 U CN 210167860U CN 201921405276 U CN201921405276 U CN 201921405276U CN 210167860 U CN210167860 U CN 210167860U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a remote wireless mobile phone charger, include: the radiating unit comprises a transmitting unit, a radiating unit and a circuit board box; the transmitting unit comprises a driving circuit and a transmitting coil, the driving circuit is arranged on the circuit board, and the circuit board is arranged inside the circuit board box; the heat dissipation unit comprises a transmitting coil support, a heat dissipation fan and a temperature sensor for detecting coil temperature, a plurality of heat dissipation holes are uniformly distributed in the transmitting coil support, the transmitting coil support is connected with the circuit board box, and the transmitting coil is arranged on the transmitting coil support; the circuit board box includes outside 12VDC power supply mouth, outside 12VDC power supply mouth sets up for the offside of transmitting coil support on the circuit board box, the utility model discloses a magnetic field resonance realizes remote wireless charging, adaptable multiple spatial variation, and transmitting coil and receiving coil need not just also can charge well.
Description
Technical Field
The utility model relates to a wireless charging technology field specifically is a remote wireless mobile phone charger.
Background
Common wireless power transmission modes include electromagnetic induction, magnetic field resonance, microwave and the like; the electromagnetic induction type is that a primary coil is electrified with alternating current with a certain frequency, and a certain current is generated in a secondary coil through electromagnetic induction, so that energy is transferred from a transmission end to a receiving end; the magnetic field resonance is composed of an energy transmitting device and an energy receiving device, when the two devices are adjusted to the same frequency, the two devices can exchange energy with each other, and the transmitted power is larger; the microwave mode is a developed technology, which is composed of a microwave transmitting device and a microwave receiving device, the transmitting frequency of the method is very high, and the thermal effect can occur when meeting human tissues, but the wireless charging of the conventional mobile phone at present basically adopts an electromagnetic induction type, the mode is mainly characterized in that the effective charging distance is very short, the mobile phone must be placed on a wireless charging transmitter for charging, the use while charging is inconvenient, and the transmitting coil and the receiving coil can be well charged when being basically aligned, the outer diameter of the transmitting coil and the receiving coil of the traditional wireless mobile phone charging is only about 8cm, the effective receiving circular radius is only about 6cm, the size is small, when the mobile phone is used while being wirelessly charged, the two coils are easily staggered and can not be charged, the transmitting circuit structure of the traditional wireless mobile phone does not work well in an RLC resonance state, the working voltage of the coils is not high, the generated alternating magnetic field is not large, so that the alternating magnetic field cannot be transmitted remotely, and the transmitting circuit does not work in an RLC resonance state well, and the common voltage work selects 5V, so that the traditional wireless mobile phone charging and transmitting circuit adopts a full-bridge mode and selects more power devices.
In summary, how to design a remote wireless mobile phone charger with a simple structure and more adaptive to various spatial variations is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a remote wireless mobile phone charger for can realize that remote mobile phone is wireless to charge.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a remote wireless handset charger comprising: the radiating unit comprises a transmitting unit, a radiating unit and a circuit board box; the transmitting unit comprises a driving circuit and a transmitting coil, the driving circuit is arranged on the circuit board, and the circuit board is arranged inside the circuit board box; the radiating unit comprises radiating holes, a radiating fan and a temperature sensor for detecting coil temperature, a plurality of radiating holes are uniformly distributed on the side surface of the circuit board box, the transmitting coil support is connected with the circuit board box, the transmitting coil is arranged on the transmitting coil support, and the radiating fan is arranged in the circuit board box; the circuit board box comprises an outer 12VDC power supply port, and the outer 12VDC power supply port is arranged on the opposite side of the circuit board box relative to the transmitting coil support.
Further, the driving circuit comprises a half-bridge circuit and a non-polar capacitor C1, the half-bridge circuit comprises two switch elements S1 and S2, one end of the switch element S1 is connected with a power supply, the other end of the switch element S1 is connected with one end of the switch element S2 and one end of the non-polar capacitor C1 in parallel, the other end of one end of the non-polar capacitor C1 is connected with one end of the transmitting coil, and the other end of the switch element S2 is connected with the other end of the transmitting coil in parallel and then is grounded.
Furthermore, the half-bridge circuit is installed on the side close to the heat dissipation fan, and the non-polar capacitor C1 is arranged on the front side of the heat dissipation fan.
Further, the transmitting coil bracket and the circuit board box are separable, and the transmitting coil bracket and the circuit board box are connected through screws.
Further, the transmitting coil adopts a large coil capable of transmitting higher electromagnetic energy, and the inner diameter of the large coil is 20 cm, and the outer diameter of the large coil is 22 cm.
Furthermore, the temperature sensor is a thermistor, and the thermistor is tightly attached to one side, close to the circuit board box, of the transmitting coil.
Further, the heat dissipation fan is arranged on the right side of the external 12VDC power supply port, the heat dissipation fan is in a draw-out type, and the heat dissipation fan is electrically connected with a 12VDC power supply.
Further, the transmitting unit transmits energy pulses when in standby, the pulse width time is 10 milliseconds, and the pulse period is 3 seconds, so that standby power consumption is saved.
Further, the receiving circuit is used for receiving the energy pulse transmitted by the transmitting unit and transmitting a reverse pulse to the transmitting unit, the receiving circuit comprises a receiving coil, another nonpolar capacitor C2 and a load RL, and the another nonpolar capacitor C2 and the load RL are connected in parallel to form a loop at two ends of the receiving coil.
(III) advantageous effects
The utility model has the advantages that: the utility model provides a remote wireless mobile phone charger, which can realize wireless energy transmission in a larger range, the transmitter adopts a large coil, the range of the transmitted energy is enlarged, and the transmitter coil can be fixed and can also be made into an ornament form in a dining table and an office; the wireless charging distance is about 40 cm, while the wireless charging distance of the traditional mobile phone is about several millimeters to several centimeters; compared with the traditional wired charging and the wireless charger on the current market, the remote wireless charger can realize the charging while playing in the real sense, and in addition, the charging is not required to be connected by a wire and only needs to be placed near the charger. In the case of a plurality of power consuming devices, a plurality of chargers can be omitted, a plurality of power outlets are not occupied, and the trouble that a plurality of wires are intertwined does not occur.
Drawings
Fig. 1 is a schematic diagram of a remote wireless mobile phone charger of the present invention.
Fig. 2 is a front view of the circuit board box of the present invention.
Fig. 3 is a right side view of the circuit board box of the present invention.
Fig. 4 is a top view of the circuit board box of the present invention.
Fig. 5 is a side view of the circuit board box of the present invention.
Fig. 6 is a schematic diagram of the circuit structure of the present invention.
Reference numerals: the device comprises a transmitting coil-1, a circuit board box-2, an external 12VDC power supply port-21, a screw-22, a circuit board-23, a non-polar capacitor C1-231, S1-232, S2-233, a heat radiation fan 24, a heat radiation hole 25 and a transmitting coil bracket 3.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described.
The utility model provides a can realize wireless energy transmission on a large scale, remote wireless charging distance, and can realize that the most genuine limit is played the limit and is charged and can save a plurality of chargers, need not occupy a plurality of supply sockets, do not have the trouble of many electric wires intertwine.
Referring to fig. 1 to 6, the remote wireless phone charger includes: the circuit board box 2 comprises a transmitting unit, a heat dissipation unit and a receiving circuit, wherein the receiving circuit is used for receiving the energy pulse transmitted by the transmitting unit and transmitting the return pulse to the transmitting unit.
As shown in fig. 6, the utility model adopts RLC resonance mode to transmit electric energy, the transmitting unit includes a driving circuit and a transmitting coil 1, the driving circuit is disposed on the circuit board 23, the driving circuit includes a half-bridge circuit and a non-polar capacitor C1231, the circuit board 23 is disposed inside the circuit board box 2, since the circuit is in resonance state, the transmitting coil has higher working voltage, the transmitting circuit adopts a half-bridge circuit, the transmitting circuit adopts a full-bridge circuit and uses more components to make the circuit complicated, the utility model adopts a half-bridge circuit with fewer power devices, wherein, the half-bridge circuit includes two switch elements S1232 and S2233, one end of the switch element S1232 is connected to the power supply, the other end of the switch element S1232 is connected to one end of the switch element S2233 and one end of the non-polar capacitor C1231, the other end of one end of the non-polar capacitor C1231 is connected with one end of the transmitting coil 1, the other end of the switch element S2233 is connected with the other end of the transmitting coil 1 in parallel and then grounded, wherein S1232 and S223 are power MOSFET tubes; the receiving circuit comprises a receiving coil, another nonpolar capacitor C2 and a load RL, wherein the another nonpolar capacitor C2 and the load RL are connected in parallel to form a loop at two ends of the receiving coil.
As shown in fig. 2 to 5, the heat dissipating unit includes heat dissipating holes 25, a heat dissipating fan 24 and a temperature sensor for detecting coil temperature, the side surface of the circuit board box is provided with a plurality of heat dissipating holes 25 uniformly distributed, the transmitting coil support 3 is connected with the circuit board box 2, the transmitting coil 1 is arranged on the transmitting coil support 3, the transmitting coil support 3 and the circuit board box 2 are separable, the transmitting coil support 3 is connected with the circuit board box 2 through a screw 22, wherein the heat dissipating fan 24 is arranged in the circuit board box 2, the half-bridge circuit is installed at a side close to the heat dissipating fan 24, and the non-polar capacitor C1231 is arranged at a front side of the heat dissipating fan 24; the temperature sensor is a thermistor, and the thermistor is tightly attached to one side, close to the circuit board box 2, of the transmitting coil 1.
The circuit board box 2 comprises an outer 12VDC power supply port 21, the outer 12VDC power supply port 21 is arranged on the opposite side of the circuit board box 2 relative to the transmitting coil bracket 3, the heat dissipation fan 24 is arranged on the right side of the outer 12VDC power supply port 21, the heat dissipation fan 24 is in a drawing type, and the heat dissipation fan 24 is electrically connected with a 12VDC power supply.
In this embodiment, the transmitting coil 1 is a large coil capable of transmitting high electromagnetic energy, and the inner diameter of the large coil is 20 cm, and the outer diameter of the large coil is 22 cm; the transmitting unit can send energy pulses when in standby, the pulse width time is 10 milliseconds, and the pulse period is 3 seconds, so as to save standby power consumption; the length of circuit board box 2 is 8 centimetres, width is 4 centimetres, the height is 2 centimetres, just the utility model provides a remote wireless charger adopts RLC resonance mode, can be in good resonance state, and its effective distance charging distance is greater than 40 centimetres, and transmitting coil puts can under the table promptly, and the cell-phone can use the limit to charge on the desktop, and transmitting coil and receiving coil need not just, also can charge well.
It should be noted that the embodiments of the present invention are only the preferred embodiments for implementing the present invention, and all the obvious modifications and changes belonging to the overall concept of the present invention should fall within the protection scope of the present invention.
Claims (9)
1. A remote wireless handset charger, comprising: the device comprises an emitting unit, a heat dissipation unit and a circuit board box (2); the transmitting unit comprises a driving circuit and a transmitting coil (1), the driving circuit is arranged on the circuit board (23), and the circuit board (23) is arranged inside the circuit board box (2); the radiating unit comprises radiating holes (25), a radiating fan (24) and a temperature sensor for detecting the coil temperature, a plurality of radiating holes (25) are uniformly distributed on the side surface of the circuit board box (2), the transmitting coil bracket (3) is connected with the circuit board box (2), the transmitting coil (1) is arranged on the transmitting coil bracket (3), and the radiating fan (24) is arranged in the circuit board box (2); the circuit board box (2) comprises an outer 12VDC power supply port (21), and the outer 12VDC power supply port (21) is arranged on the opposite side of the circuit board box (2) relative to the transmitting coil support (3).
2. The remote wireless handset charger according to claim 1, wherein the driving circuit comprises a half-bridge circuit and a non-polar capacitor C1(231), the half-bridge circuit comprises two switching elements S1(232) and S2(233), one end of the switching element S1(232) is connected to a power supply, the other end of the switching element S1(232) is connected in parallel with one end of the switching element S2(233) and one end of the non-polar capacitor C1(231), the other end of one end of the non-polar capacitor C1(231) is connected to one end of the transmitting coil (1), and the other end of the switching element S2(233) is connected in parallel with the other end of the transmitting coil (1) and then grounded.
3. The remote wireless handset charger according to claim 2, wherein said half-bridge circuit is mounted on a side close to said heat dissipation fan (24), and said non-polar capacitor C1(231) is disposed on a front side of said heat dissipation fan (24).
4. Remote wireless handset charger according to claim 1, characterized in that said transmitting coil support (3) is detachable from said circuit board box (2), said transmitting coil support (3) being connected to said circuit board box (2) by means of screws (22).
5. The remote wireless handset charger according to claim 1, wherein said transmitting coil (1) is a large coil capable of transmitting high electromagnetic energy, said large coil having an inner diameter of 20 cm and an outer diameter of 22 cm.
6. A remote wireless handset charger according to claim 1, characterized in that said temperature sensor is a thermistor, said thermistor being affixed to the side of said transmitting coil (1) close to said circuit board box (2).
7. The remote wireless handset charger according to claim 1, wherein said heat dissipation fan (24) is disposed on the right side of said external 12VDC power supply port (21), said heat dissipation fan (24) being in a draw-out type, said heat dissipation fan (24) being electrically connected to a 12VDC power supply.
8. The remote wireless handset charger according to claim 1, wherein said transmitting unit is configured to transmit energy pulses during standby, the pulse width time is 10 ms, and the pulse period is 3 s, so as to save standby power consumption.
9. The remote wireless handset charger according to claim 1, further comprising a receiving circuit for receiving the energy pulse transmitted by the transmitting unit and transmitting a feedback pulse to the transmitting unit, wherein the receiving circuit comprises a receiving coil, another non-polar capacitor C2 and a load RL, and the another non-polar capacitor C2 and the load RL are connected in parallel to form a loop across the receiving coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405276.2U CN210167860U (en) | 2019-08-27 | 2019-08-27 | Remote wireless mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405276.2U CN210167860U (en) | 2019-08-27 | 2019-08-27 | Remote wireless mobile phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167860U true CN210167860U (en) | 2020-03-20 |
Family
ID=69796048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921405276.2U Active CN210167860U (en) | 2019-08-27 | 2019-08-27 | Remote wireless mobile phone charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210167860U (en) |
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2019
- 2019-08-27 CN CN201921405276.2U patent/CN210167860U/en active Active
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