CN211530801U - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
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- CN211530801U CN211530801U CN202020385758.2U CN202020385758U CN211530801U CN 211530801 U CN211530801 U CN 211530801U CN 202020385758 U CN202020385758 U CN 202020385758U CN 211530801 U CN211530801 U CN 211530801U
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- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005484 gravity 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
- 230000010355 oscillation Effects 0.000 description 1
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Abstract
The utility model discloses a wireless charging device contains a power connection port, a wireless charger and a switch module. The wireless charger is connected to the power supply connecting port through a main connecting channel, the power supply connecting port is used for providing power supply for the wireless charger through the main connecting channel, and the wireless charger comprises a main control circuit, and the main control circuit is provided with an enabling pin position. The switch module is electrically connected to the power connection port and the enabling pin of the main control circuit through the primary connection channel, so that the enabling pin is controlled according to the conducting state or the non-conducting state of the switch module, and the main control circuit is in a working mode or a closing mode.
Description
Technical Field
The utility model relates to a wireless charging technology, in particular to a wireless charging device for electromagnetic induction.
Background
With the wide development of the wireless charging technology application field, more and more electronic device manufacturers join the line, so that the functional requirements of customers on wireless charging are more and more strict, and many existing specifications cannot meet the requirements of customers. Taking standby power consumption as an example, the low power consumption of wireless charging is mainly realized by reducing the energy and time of Analog information (Analog ping) and Digital information (Digital ping) of the transmitting end (Tx) itself to reduce the power consumption of the transmitting end in detecting the object placement, however, the power consumption by this method is generally above 0.1W, which cannot meet the requirement of the client for low power consumption.
Disclosure of Invention
The utility model provides a wireless charging device contains a power connection port, a wireless charger and a switch module. The wireless charger is connected to the power supply connecting port through a main connecting channel, the power supply connecting port is used for providing power supply for the wireless charger through the main connecting channel, and the wireless charger comprises a main control circuit, and the main control circuit is provided with an enabling pin position. The switch module is electrically connected to the power connection port and the enabling pin of the main control circuit through the primary connection channel, so that the enabling pin is controlled according to the conducting state or the non-conducting state of the switch module, and the main control circuit is in a working mode or a closing mode.
In one embodiment, when the switch module is in the on state, the enable pin is enabled, so that the main control circuit is in the working mode. When the switch module is in a non-conducting state, the enable pin is disabled, so that the main control circuit is in a closing mode.
In one embodiment, when the main control circuit is in the working mode, the wireless charger receives power through the power connection port and the main connection channel. When the main control circuit is in the off mode, the wireless charger stops receiving power through the power connection port and the main connection channel.
In one embodiment, the wireless charger further includes a driving module and a transmitting coil, the driving module is electrically connected to the main control circuit, the transmitting coil is electrically connected to the driving module, and when the main control circuit is in the operating mode, the main control circuit generates a driving signal to control the driving module, so that the driving module drives the transmitting coil. When the main control circuit is in the off mode, the main control circuit does not generate a driving signal, and the driving module and the transmitting coil do not act.
In one embodiment, the driving module drives the transmitting coil to send out a broadcast signal to search the corresponding receiving coil.
In one embodiment, the switch module includes a travel switch.
In one embodiment, the switch module includes an electronic switch electrically connected to the power connection port and the enable pin of the main control circuit, and a sensor electrically connected to the electronic switch for generating a sensing signal to the electronic switch to turn on the electronic switch when the sensor detects the presence of an object.
In one embodiment, the switch module includes an electronic switch, a control unit and a sensor, the electronic switch is electrically connected to the power connection port and the enable pin of the main control circuit, the control unit is electrically connected to the electronic switch, the sensor is electrically connected to the control unit, when the sensor detects the presence of an object, a sensing signal is generated to the control unit, and the control unit turns on the electronic switch according to the sensing signal to enable the electronic switch to be in a conducting state.
In one embodiment, the sensor is an infrared sensor or proximity sensor (proximity sensor).
In summary, in order to satisfy the requirement of the client to the low power consumption, the utility model discloses by the synergism of the switch module on the inferior interface channel and main control circuit's enable pin position, whether detect wireless charging device top and have object (cell-phone or foreign matter) to exist, if there is not the object to exist, then wireless charging device can get into and close (shut down) the mode to reach the efficiency of low stand-by power consumption.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Fig. 1 is a schematic block diagram of a wireless charging device according to the present invention.
Fig. 2 is a block diagram of a wireless charging device according to an embodiment of the present invention.
Fig. 3 is a block diagram of a wireless charging device according to another embodiment of the present invention.
Fig. 4 is a block diagram of a wireless charging device according to another embodiment of the present invention.
Wherein the reference numerals
10: wireless charging device
12: power supply connection port
14: wireless charger
16: switch module
18: main connecting channel
20: main control circuit
201: enabling pin
22: drive module
24: transmitting coil
26: secondary connecting channel
28: travel switch
30: electronic switch
32: sensor with a sensor element
34: control unit
36: power supply terminal
38: ground channel
Detailed Description
The following detailed description of the embodiments of the present invention with reference to the drawings and specific examples is provided for further understanding the objects, aspects and effects of the present invention, but not for limiting the scope of the appended claims.
Fig. 1 is a block diagram of a wireless charging device according to the present invention, please refer to fig. 1, in which a wireless charging device 10 includes a power connection port 12, a wireless charger 14 and a switch module 16. The power connection port 12 is electrically connected to a power supply terminal 36, in an embodiment, the power supply terminal 36 is a commercial power, so that the power connection port 12 can receive the commercial power provided by the power supply terminal 36. In other embodiments, the power supply 36 may also be a battery or a separate power generation device. The wireless charger 14 is electrically connected to the power connection port 12 through a main connection channel 18, the power connection port 12 is used for providing power to the wireless charger 14 through the main connection channel 18, the wireless charger 14 includes a main control circuit 20, a driving module 22 and a radiation coil 24, the main control circuit 20 has an enabling pin 201. The switch module 16 is electrically connected to the power connection port 12 and the enable pin 201 of the main control circuit 20 through the primary connection channel 26, so as to control the enable pin 201 according to the conducting state or the non-conducting state of the switch module 16, and enable the main control circuit 20 to selectively be in the operating mode or the shutdown mode.
In one embodiment, when the switch module 16 is in the on state, the enable pin 201 of the main control circuit 20 is enabled (enabled), so that the main control circuit 20 is in the operating mode, and the wireless charger 14 receives the power provided by the power supply terminal 36 through the power connection port 12 and the main connection channel 18; when the switch module 16 is in the non-conducting state, the disable pin 201 causes the primary control circuit 20 to be in the off mode, and the wireless charger 14 stops receiving power through the power connection port 12 and the primary connection channel 18.
In the wireless charger 14, the driving module 22 is electrically connected to the main control circuit 20, the transmitting coil 24 is electrically connected to the driving module 22, and when the main control circuit 20 is in the operating mode, the main control circuit 20 generates a driving signal to control the driving module 22, so that the driving module 22 drives the transmitting coil 24 to send out a broadcast signal to search for a corresponding receiving coil. When the main control circuit 20 is in the off mode, the main control circuit 20 does not generate the driving signal, and the driving module 22 and the transmitting coil 24 are not activated. The wireless charger 14 and the power connection port 12 also form a loop through the ground channel 38, and the loop may also be used for signal verification.
In one embodiment, referring to fig. 1 and fig. 2, the switch module 16 includes a travel switch 28, and the travel switch 28 is electrically connected to the power connection port 12 and the enable pin 201 of the main control circuit 20 through the secondary connection channel 26. Since the position switch 28 is a mechanical switch, when no object is placed on the surface of the wireless charging device 10 and the position switch 28 is in a non-conducting state, the enable pin 201 is disabled, the wireless charger 14 stops receiving power through the power connection port 12 and the main connection channel 18, so that the main control circuit 20 is in a shutdown mode, and the wireless charging device 10 is in a low power consumption state. When an object is placed on the surface of the wireless charging device 10, the travel switch 28 is automatically pressed due to gravity, so that the travel switch 28 is turned on to enable the enabling pin 201 of the main control circuit 20, the wireless charger 14 receives power supplied from the power supply terminal 36 through the power connection port 12 and the main connection channel 18, so that the main control circuit 20 is in a working mode, the main control circuit 20 generates a driving signal to control the driving module 22, and the driving module 22 drives the transmitting coil 24 to send out a broadcast signal to search for a corresponding receiving coil.
In one embodiment, the object is an electronic device (not shown), such as a wireless device like a mobile phone or a wireless headset, so that the broadcast signal sent by the transmitting coil 24 can search the receiving coil of the electronic device to wirelessly charge the electronic device.
In one embodiment, referring to fig. 1 and 3, the switch module 16 includes an electronic switch 30 and a sensor 32. The electronic switch 30 is electrically connected to the power connection port 12 and the enabling pin 201 of the main control circuit 20 through the secondary connection channel 26, the sensor 32 is electrically connected to the electronic switch 30, and the sensor 32 detects whether there is an object on the surface of the wireless charging device 10 by using a light reflection detection distance. When the sensor 32 detects the presence of an object, it will generate a sensing signal to the electronic switch 30, the electronic switch 30 receives the trigger of the sensing signal and is in a conducting state, when the electronic switch 30 is conducting to enable the enabling pin 201 of the main control circuit 20, the wireless charger 14 receives the power provided by the power supply terminal 36 through the power connection port 12 and the main connection channel 18, so that the main control circuit 20 is in a working mode, at this time, the main control circuit 20 will generate a driving signal to control the driving module 22, so that the driving module 22 drives the transmitting coil 24 to send out a broadcast signal to search for a corresponding receiving coil. When no object is placed on the surface of the wireless charging device 10 or the object leaves the surface of the wireless charging device 10, the sensor 32 does not sense any object, the electronic switch 30 returns to the non-conducting state, the enable pin 201 is disabled when the electronic switch 30 is in the non-conducting state, the wireless charger 14 stops receiving power through the power connection port 12 and the main connection channel 18, the main control circuit 20 is in the off mode, and the wireless charging device 10 enters the low power consumption state. Alternatively, as shown by the dotted arrows of the sensor 32 and the enable pin 201 in fig. 3, the sensor 32 may also be electrically connected to the enable pin 201, and when the sensor 32 detects the presence of an object, a sensing signal is generated and transmitted to the enable pin 201, where the sensing signal is an enable signal, which enables the main control circuit 20 to be in the operating mode.
In one embodiment, referring to fig. 1 and 4, the switch module 16 includes an electronic switch 30, a control unit 34, and a sensor 32. The electronic switch 30 is electrically connected to the power connection port 12 and the enabling pin 201 of the main control circuit 20 through the secondary connection channel 26, the control unit 34 is electrically connected to the electronic switch 30, the sensor 32 and the control unit 34, so as to detect whether an object exists on the surface of the wireless charging device 10 by using the sensor 32. When the sensor 32 detects the existence of an object, a sensing signal is generated to the control unit 34, the control unit 34 controls the electronic switch 30 to be turned on according to the sensing signal, so that the electronic switch 30 is in a conducting state, when the electronic switch 30 is turned on to enable the enabling pin 201 of the main control circuit 20, the wireless charger 14 receives the power provided by the power supply terminal 36 through the power connection port 12 and the main connection channel 18, so that the main control circuit 20 is in a working mode, at this time, the main control circuit 20 generates a driving signal to control the driving module 22 to operate, so that the driving module 22 drives the transmitting coil 24 to send out a broadcast signal, so as to search for a corresponding receiving coil. When no object is placed on the surface of the wireless charging device 10 or the object leaves the surface of the wireless charging device 10, the sensor 32 does not sense any object, the control unit 34 controls the electronic switch 30 to be turned off, the electronic switch 30 is in a non-conducting state, the enable pin 201 is disabled, the wireless charger 14 stops receiving power through the power connection port 12 and the main connection channel 18, the main control circuit 20 is in a turn-off mode, and the wireless charging device 10 enters a low power consumption state.
In one embodiment, the control unit 34 is an independent control chip. In another embodiment, the control unit 34, the electronic switch 30 and the sensor 32 may be disposed together and integrated into a single chip.
In one embodiment, the sensor 32 used in fig. 3 and 4 is an infrared sensor or proximity sensor (proximity sensor).
In view of the above, as shown in fig. 1 to 4, the present invention mainly lies in that the main connecting channel 18 does not introduce the switch module 16, but introduces the switch module 16 in the secondary connecting channel 26, compared with the wireless charging device in the prior art, the switch module is located in the connecting channel through which the charging current passes, when the switch module makes the connecting channel disconnected or conducted, the instant current oscillation will be caused, and the adverse effect will be exerted on the service life of the signal transmission and the electronic component. The utility model discloses except that locate the secondary connecting channel 26 that non-charging current passes through with switch module 16, in addition the signal that control enabled pin 201 is the small signal, so can not cause the interference to main connecting channel 18. In addition, in a normal operating state, the enable pin 201 of the main control circuit 20 is enabled, and the main control circuit 20 receives the power from the main connection channel 18 to control the driving module 22 to drive the transmitting coil 24; when the switch module 16 is turned off, the enable pin 201 is disabled, the main control circuit 20 no longer outputs the driving signal, and the transmitting coil 24 has no energy, thereby achieving the purpose of low power standby.
In summary, in order to satisfy the requirement of the client to the low power consumption, the utility model discloses by the synergism of the switch module on the inferior connecting channel and main control circuit's enable pin position, whether detect wireless charging device top have object (cell-phone or foreign matter) to exist, if there is not the object to exist, then wireless charging device can get into and close (shut down) the mode to reach the efficiency of low standby power consumption, make the standby power of whole device can reduce to below 0.03W (under the mode of closing, the main source of consumption only is the loss of switch module), and satisfy the demand of client to the low power consumption.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A wireless charging device, comprising:
power connection port and wireless charger, its characterized in that:
the wireless charger is connected to the power supply connecting port through a main connecting channel, the power supply connecting port is used for providing power supply for the wireless charger through the main connecting channel, the wireless charger comprises a main control circuit, and the main control circuit is provided with an enabling pin position; and
the switch module is electrically connected to the power supply connection port and the enabling pin of the main control circuit through the secondary connection channel so as to control the enabling pin according to the conducting state or the non-conducting state of the switch module and enable the main control circuit to be in a working mode or a closing mode.
2. The wireless charging device of claim 1, wherein when the switch module is in the conducting state, the enable pin is enabled to enable the main control circuit to be in the working mode; and when the switch module is in the non-conducting state, the enable pin is disabled, so that the main control circuit is in the off mode.
3. The wireless charging device of claim 2, wherein when the main control circuit is in the operating mode, the wireless charger receives power from the main connection channel through the power connection port; and when the main control circuit is in the closing mode, the wireless charger stops receiving power supply through the power supply connection port and the main connection channel.
4. The wireless charging device of claim 2, wherein the wireless charger further comprises a driving module and a transmitting coil, the driving module is electrically connected to the main control circuit, the transmitting coil is electrically connected to the driving module, and when the main control circuit is in the operating mode, the main control circuit generates a driving signal to control the driving module, so that the driving module drives the transmitting coil; and when the main control circuit is in the off mode, the main control circuit does not generate the driving signal, and the driving module and the transmitting coil do not act.
5. The wireless charging device of claim 4, wherein the driving module drives the transmitting coil to send out a broadcast signal to search for a corresponding receiving coil.
6. The wireless charging device of claim 2, wherein the switch module comprises a travel switch.
7. The wireless charging device of claim 2, wherein the switch module comprises an electronic switch electrically connected to the power connection port and the enable pin of the main control circuit; and the sensor is electrically connected with the electronic switch, and when the sensor detects that an object exists, the sensor generates a sensing signal to the electronic switch so that the electronic switch is in the conducting state.
8. The wireless charging device of claim 7, wherein the sensor is an infrared sensor or a proximity sensor.
9. The wireless charging device of claim 2, wherein the switch module comprises an electronic switch electrically connected to the power connection port and the enable pin of the main control circuit; a control unit electrically connected with the electronic switch; and the sensor is electrically connected with the control unit, generates a sensing signal to the control unit when detecting that an object exists, and opens the electronic switch according to the sensing signal by the control unit so as to enable the electronic switch to be in the conducting state.
10. The wireless charging device of claim 9, wherein the sensor is an infrared sensor or a proximity sensor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385758.2U CN211530801U (en) | 2020-03-24 | 2020-03-24 | Wireless charging device |
| TW109204735U TWM599492U (en) | 2020-03-24 | 2020-04-21 | Wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020385758.2U CN211530801U (en) | 2020-03-24 | 2020-03-24 | Wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211530801U true CN211530801U (en) | 2020-09-18 |
Family
ID=72441292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020385758.2U Active CN211530801U (en) | 2020-03-24 | 2020-03-24 | Wireless charging device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211530801U (en) |
| TW (1) | TWM599492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036864A (en) * | 2021-02-05 | 2021-06-25 | 美律电子(深圳)有限公司 | Wireless charging device and wireless charging switching method |
-
2020
- 2020-03-24 CN CN202020385758.2U patent/CN211530801U/en active Active
- 2020-04-21 TW TW109204735U patent/TWM599492U/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036864A (en) * | 2021-02-05 | 2021-06-25 | 美律电子(深圳)有限公司 | Wireless charging device and wireless charging switching method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM599492U (en) | 2020-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 710018 Floor 10, Block H, Kairui Building, Fengcheng 12th Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Lixun Precision Technology (Xi'an) Co.,Ltd. Address before: 215324 No.399, Baisheng Road, Jinxi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: LANTO ELECTRONIC Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 710018 Floor 10, Block H, Kairui Building, Fengcheng 12th Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee after: Lixun Technology (Xi'an) Co.,Ltd. Address before: 710018 Floor 10, Block H, Kairui Building, Fengcheng 12th Road, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee before: Lixun Precision Technology (Xi'an) Co.,Ltd. |
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| CP03 | Change of name, title or address |