CN209786812U - Wireless charger - Google Patents
Wireless charger Download PDFInfo
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- CN209786812U CN209786812U CN201920008853.8U CN201920008853U CN209786812U CN 209786812 U CN209786812 U CN 209786812U CN 201920008853 U CN201920008853 U CN 201920008853U CN 209786812 U CN209786812 U CN 209786812U
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Abstract
The utility model discloses a wireless charger, include: the wireless charging device comprises a shell, a charging interface, a voltage conversion circuit, a control module, an inverter circuit, a wireless transmitting coil and a reminding module; the reminding module is electrically connected with the control module, the control module is used for detecting the working efficiency of the wireless charger, and when the working efficiency of the wireless charger is lower than a preset value, the control module controls the reminding module to send out a charging efficiency reminding signal. The wireless charger is provided with the reminding module, the wireless charger detects the working efficiency of the wireless charger through the control module when in work, and when the working efficiency of the wireless charger is lower than a preset value, the control module controls the reminding module to send out a charging efficiency reminding signal. Compared with a traditional wireless charger, the wireless charger can feed back the state of low wireless charging efficiency to a user, and the using experience of the wireless charger is better.
Description
Technical Field
The utility model relates to a wireless field of charging especially relates to a wireless charger.
Background
With the rapid development of scientific technology, wireless charging technology has entered into the lives of people. Some electronic devices, such as mobile phones, can be charged by using a wireless charger, and the mobile phone is directly placed on the wireless charger when being charged.
Electronic equipment such as a mobile phone and the like supporting wireless charging is placed on a charging surface of a wireless charger, the wireless charger detects a wireless receiving coil in the electronic equipment, the wireless transmitting coil and the wireless receiving coil of the wireless charger are matched with each other to start charging, and meanwhile, the wireless charger can light a work indicator lamp to prompt charging. In the actual use process, when the wireless transmitting coil and the wireless receiving coil are aligned, the wireless charging efficiency is highest, and when the wireless transmitting coil and the wireless receiving coil deviate from each other, the wireless charging efficiency is reduced; in addition, when the mobile phone cover is thick, the distance between the wireless transmitting coil and the wireless receiving coil is long, which also causes the reduction of the wireless charging efficiency.
The wireless charger in the prior art does not have the function of charging efficiency detection reminding, and cannot feed back the state of low wireless charging efficiency to the user.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a wireless charger having a charging efficiency detection function.
A wireless charger for wirelessly charging an electronic device that supports wireless charging, comprising: the wireless charging device comprises a shell, a charging interface, a voltage conversion circuit, a control module, an inverter circuit, a wireless transmitting coil and a reminding module;
the voltage conversion circuit, the control module, the inverter circuit and the wireless transmitting coil are all arranged in the shell;
The charging interface is used for being electrically connected with external power supply and is electrically connected with the input end of the voltage conversion circuit;
The output end of the voltage conversion circuit is electrically connected with the input end of the inverter circuit, and the voltage conversion circuit is also electrically connected with the control module;
the output end of the inverter circuit is electrically connected with the wireless transmitting coil, and the inverter circuit and the wireless transmitting coil are respectively electrically connected with the control module;
The reminding module is electrically connected with the control module, the reminding module is arranged on the shell or in the shell, the control module is used for detecting the working efficiency of the wireless charger and comparing the working efficiency of the wireless charger with a preset value, and when the working efficiency of the wireless charger is lower than the preset value, the control module controls the reminding module to send a charging efficiency reminding signal.
The wireless charger is provided with the reminding module, the wireless charger detects the working efficiency of the wireless charger through the control module when in work, and when the working efficiency of the wireless charger is lower than a preset value, the control module controls the reminding module to send out a charging efficiency reminding signal. Compared with a traditional wireless charger, the wireless charger can feed back the state of low wireless charging efficiency to a user, and the using experience of the wireless charger is better.
Drawings
Fig. 1 is a schematic diagram of a wireless charger according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
The wireless charger 100 according to an embodiment shown in fig. 1 is used for wirelessly charging an electronic device supporting wireless charging.
The wireless charger 100 includes: the charging device comprises a shell 110, a charging interface 120, a voltage conversion circuit 130, a control module 140, an inverter circuit 150, a wireless transmitting coil 160 and a reminding module 170.
The voltage conversion circuit 130, the control module 140, the inverter circuit 150, and the wireless transmission coil 160 are all disposed within the housing 110.
The output terminal of the voltage conversion circuit 130 is electrically connected to the input terminal of the inverter circuit 150, and the voltage conversion circuit is also electrically connected to the control module 140.
The output end of the inverter circuit 150 is electrically connected to the wireless transmission coil 160, and the inverter circuit 150 and the wireless transmission coil 160 are electrically connected to the control module 140, respectively.
Generally, the voltage conversion circuit 130, the control module 140 and the inverter circuit 150 are integrated on a circuit board, and the wireless transmitting coil 160 and the circuit board are electrically connected and then are disposed in the housing 110.
the charging interface 120 is used for electrically connecting an external power supply, and the charging interface 120 is electrically connected to an input terminal of the voltage conversion circuit 130.
In this embodiment, the housing 110 is provided with a charging through hole, and the charging interface 120 is a female connector seat provided on the charging through hole.
in another embodiment, the housing 110 is provided with a charging through hole, and the charging interface 120 is a male connector electrically connected to the input terminal of the voltage conversion circuit 130 through the charging through hole.
the reminder module 170 is electrically connected to the control module 140, and the reminder module 170 is disposed on the housing 110 or the reminder module 170 is disposed in the housing 110.
The control module 140 is configured to detect the working efficiency of the wireless charger 100, and the control module 140 compares the working efficiency of the wireless charger 100 with a preset value, and when the working efficiency of the wireless charger 100 is lower than the preset value, the control module 140 controls the reminding module 170 to send a charging efficiency reminding signal.
Generally, the control module 140 is configured to obtain an output power of the wireless transmitting coil 160 and a wireless charging power of the electronic device, and a ratio of the wireless charging power of the electronic device to the output power of the wireless transmitting coil 160 is an operating efficiency of the wireless charger 100.
In the present application, the wireless charging power of the electronic device refers to the input power of the wireless receiving coil of the electronic device.
in other embodiments, the operating efficiency of the wireless charger 100 may be calculated in other manners. For example, the ratio of the output power of the wireless transmitting coil 160 to the input power of the charging interface 120 may be referred to as the operating efficiency of the wireless charger 100, and the ratio of the input power of the wireless receiving coil of the electronic device to the input power of the charging interface 120 may be referred to as the operating efficiency of the wireless charger 100.
in particular, when the current is constant, the voltage ratio can be used instead of the power ratio; when the voltage is constant, a current ratio may be used instead of a power ratio.
Preferably, the preset value is 10-85%.
More preferably, the preset value is 30-65%. In particular, the preset value may be 30%, 35%, 40%, 45%, 50%, 55%, 60% or 65%.
In this embodiment, the reminding module 170 is a light reminding module, and the charging efficiency reminding signal is a light reminding signal.
In other embodiments, the reminding module 170 may also be a sound reminding module, and the charging efficiency reminding signal is a sound reminding signal; or, the reminding module 170 is a display reminding module, and the charging efficiency reminding signal is a display reminding signal; or, the reminding module 170 is a vibration reminding module, and the charging efficiency reminding signal is a vibration reminding signal.
When the reminder module 170 is a light reminder module or a display reminder module, the reminder module 170 is typically disposed on the housing 110.
When the reminder module 170 is an audible reminder module or a vibratory reminder module, the reminder module 170 is typically disposed within the housing 110.
preferably, the wireless charger 100 further comprises an indication module.
The indication module is electrically connected to the control module 140, the control module 140 is configured to detect whether the wireless charger 100 normally operates, and when the wireless charger 100 normally operates, the control module 140 controls the indication module to send a charging indication signal.
more preferably, the indicator module is integrated with the reminder module 170 to form an indicator light having multiple states.
The charging indication signal is that the indicator light is in the first state, and the charging efficiency reminder signal is that the indicator light is in the second state.
The first state and the second state are different in the brightness of the indicator light. For example, the charging indication signal indicates that the brightness of the indicator light is high, and the charging efficiency reminding signal indicates that the brightness is reduced.
or the first state and the second state are that the indicator lamp emits light with different colors. For example, the charging indicating signal is that the indicating lamp emits green light, and the charging efficiency reminding signal is that the indicating lamp emits yellow light.
The wireless charger 100 is provided with the reminding module 170, when the wireless charger 100 works, the control module 140 detects the working efficiency of the wireless charger 100, and when the working efficiency of the wireless charger 100 is lower than a preset value, the control module 140 controls the reminding module 170 to send out a charging efficiency reminding signal. Compared with a conventional wireless charger, the wireless charger 100 can feed back the state of low wireless charging efficiency to the user, and the use experience is better.
the above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A wireless charger for wirelessly charging an electronic device that supports wireless charging, comprising: the wireless charging device comprises a shell, a charging interface, a voltage conversion circuit, a control module, an inverter circuit, a wireless transmitting coil and a reminding module;
The voltage conversion circuit, the control module, the inverter circuit and the wireless transmitting coil are all arranged in the shell;
The charging interface is used for being electrically connected with external power supply and is electrically connected with the input end of the voltage conversion circuit;
The output end of the voltage conversion circuit is electrically connected with the input end of the inverter circuit, and the voltage conversion circuit is also electrically connected with the control module;
The output end of the inverter circuit is electrically connected with the wireless transmitting coil, and the inverter circuit and the wireless transmitting coil are respectively electrically connected with the control module;
The reminding module is electrically connected with the control module, the reminding module is arranged on the shell or in the shell, the control module is used for detecting the working efficiency of the wireless charger and comparing the working efficiency of the wireless charger with a preset value, and when the working efficiency of the wireless charger is lower than the preset value, the control module controls the reminding module to send a charging efficiency reminding signal.
2. The wireless charger according to claim 1, wherein the reminding module is an audio reminding module, and the charging efficiency reminding signal is an audio reminding signal;
or the reminding module is a light reminding module, and the charging efficiency reminding signal is a light reminding signal;
Or the reminding module is a display reminding module, and the charging efficiency reminding signal is a display reminding signal;
or, the reminding module is a vibration reminding module, and the charging efficiency reminding signal is a vibration reminding signal.
3. The wireless charger according to claim 2, further comprising an indication module electrically connected to the control module, wherein the control module is configured to detect whether the wireless charger is working normally, and when the wireless charger is working normally, the control module controls the indication module to send a charging indication signal.
4. the wireless charger of claim 3, wherein the indication module and the reminder module are integrated together to form an indicator light having a plurality of states;
the charging indication signal is that the indicator light is in a first state, and the charging efficiency reminding signal is that the indicator light is in a second state.
5. The wireless charger of claim 4, wherein the first state and the second state are different colors of light emitted by the indicator light;
Or the first state and the second state are that the brightness of the indicator light is different.
6. The wireless charger according to claim 4, wherein the housing is provided with a charging through hole, and the charging interface is a female connector seat arranged on the charging through hole.
7. The wireless charger according to claim 4, wherein the housing is provided with a charging through hole, and the charging interface is a connector male connector electrically connected with the input end of the voltage conversion circuit through the charging through hole.
8. The wireless charger according to any one of claims 1 to 7, wherein the control module is configured to obtain an output power of the wireless transmitting coil and a wireless charging power of the electronic device, and a ratio of the wireless charging power of the electronic device to the output power of the wireless transmitting coil is an operating efficiency of the wireless charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008853.8U CN209786812U (en) | 2019-01-02 | 2019-01-02 | Wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920008853.8U CN209786812U (en) | 2019-01-02 | 2019-01-02 | Wireless charger |
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| Publication Number | Publication Date |
|---|---|
| CN209786812U true CN209786812U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920008853.8U Active CN209786812U (en) | 2019-01-02 | 2019-01-02 | Wireless charger |
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| CN (1) | CN209786812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494847A (en) * | 2019-01-02 | 2019-03-19 | 深圳市蓝禾技术有限公司 | The charging method of wireless charger and wireless charger |
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2019
- 2019-01-02 CN CN201920008853.8U patent/CN209786812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494847A (en) * | 2019-01-02 | 2019-03-19 | 深圳市蓝禾技术有限公司 | The charging method of wireless charger and wireless charger |
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