CN215344105U - Wireless charging base - Google Patents
Wireless charging base Download PDFInfo
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- CN215344105U CN215344105U CN202121427322.6U CN202121427322U CN215344105U CN 215344105 U CN215344105 U CN 215344105U CN 202121427322 U CN202121427322 U CN 202121427322U CN 215344105 U CN215344105 U CN 215344105U
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- wireless charging
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Abstract
The utility model discloses a wireless charging base which is internally provided with a wireless resonance circuit, a wireless resonance circuit and a power supply, wherein the output end of the power supply is respectively connected with the wireless resonance circuit and the wireless resonance circuit; according to the wireless charging base, the wireless resonance circuit and the wireless resonance circuit are arranged in the wireless charging base, so that when the wireless charging base is used, a common mouse pad is only required to be placed on the wireless charging base, when a user operates a wireless mouse on the mouse pad, the wireless charging base can charge the wireless mouse, the replacement operation of the mouse pad cannot be influenced, and the economic cost is reduced; meanwhile, the wireless charging device carries out charging operation through two wireless charging circuits, can meet the charging requirements of all wireless charging equipment, and effectively improves the using effect of the wireless charging device.
Description
Technical Field
The utility model relates to the field of wireless charging, in particular to a wireless charging base.
Background
The wireless charging mouse pad can perform wireless charging operation on the wireless mouse, and can continuously supply power to the wireless mouse, so that the using effect of the wireless mouse is improved; however, the mouse pad belongs to the consumables, all can become dirty after having used for a period of time, needs often to be changed, and current wireless mouse pad that charges is mostly the integrated design, needs carry out the overall change when changing, and it has seriously increased people's economic cost, has influenced wireless mouse pad's result of use that charges.
Disclosure of Invention
The utility model aims to solve the problems and provides a wireless charging base which is simple in structure and convenient to use.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a wireless charging base is provided with a wireless resonance circuit, a wireless resonance circuit and a power supply, wherein the output end of the power supply is respectively connected with the wireless resonance circuit and the wireless resonance circuit;
the wireless resonance circuit comprises a wireless charging main control chip, a voltage stabilizer and a peak detector, wherein the output end of a power supply is electrically connected with a VIN pin of the wireless charging main control chip and one end of the voltage stabilizer, the other end of the voltage stabilizer is electrically connected with one end of a resistor R1 and an ISNS-H pin of the wireless charging main control chip respectively, the other end of a resistor R1 is electrically connected with an ISNS-L pin of the wireless charging main control chip, a drain electrode of a MOS tube Q1 and a drain electrode of a MOS tube Q3 respectively, a grid electrode of the MOS tube Q1 is electrically connected with a GH-BRG1 pin of the wireless charging main control chip, a source electrode of a MOS tube Q1 is electrically connected with a 5W-BRG1 pin of the wireless charging main control chip, a drain electrode of the MOS tube Q2 and one end of a capacitor C1 respectively, and a grid electrode of the MOS tube Q2 is electrically connected with a GL-BRG1 pin of the wireless charging main control chip; the grid electrode of the MOS tube Q3 is electrically connected with a GH-BRG2 pin of the wireless charging main control chip, the source electrode of the MOS tube Q3 is electrically connected with a 5W-BRG2 pin of the wireless charging main control chip, the drain electrode of the MOS tube Q4 and one end of the transmitting coil respectively, and the grid electrode of the MOS tube Q4 is electrically connected with a GL-BRG2 pin of the wireless charging main control chip; one end of the peak detector is electrically connected with a VSNS-IN pin of the wireless charging main control chip, and the other end of the peak detector and the other end of the capacitor C1 are electrically connected with the other end of the transmitting coil; the GND pin of the wireless charging main control chip, the source electrode of the MOS tube Q2 and the source electrode of the MOS tube Q4 are all grounded;
the wireless resonance circuit comprises a microcontroller, a first gate driver and a second gate driver, wherein the output end of a power supply is electrically connected with the drain electrode of the MOS tube Q5 and the drain electrode of the MOS tube Q7 respectively, the source electrode of the MOS tube Q5 is electrically connected with the drain electrode of the MOS tube Q6 and one end of the wireless coil respectively, and the gate electrode of the MOS tube Q5 and the gate electrode of the MOS tube Q6 are electrically connected with the output end of the first gate driver; the source electrode of the MOS transistor Q7 is electrically connected with the drain electrode of the MOS transistor Q8 and the other end of the wireless coil respectively, and the grid electrode of the MOS transistor Q7 and the grid electrode of the MOS transistor Q8 are electrically connected with the output end of the second grid driver; the input end of the first gate driver and the input end of the second gate driver are both electrically connected with the output end of the microcontroller, and the source electrode of the MOS transistor Q6 and the source electrode of the MOS transistor Q8 are both grounded.
Furthermore, the models of the wireless charging main control chip and the microcontroller are both P9247.
Furthermore, a 5W-5 pin of the wireless charging main control chip is electrically connected with one end of an inductor L1, and the other end of the inductor L1 is electrically connected with one end of a capacitor C2 and a VIN-LDO pin of the wireless charging main control chip respectively; the pin of LDO33 of the wireless main control chip that charges is electrically connected with one end of electric capacity C3, the pin of LDO18 of the wireless main control chip that charges is electrically connected with one end of electric capacity C4, the PREG pin of the wireless main control chip that charges is electrically connected with one end of electric capacity C5, the other end of electric capacity C2, the other end of electric capacity C3, the other end of electric capacity C4, the other end of electric capacity C5 all ground.
Furthermore, the GPIO-B6 pin of the wireless charging main control chip is electrically connected with the clock chip.
Further, the pin of the LED1 and the pin of the LED2 of the wireless charging main control chip are respectively connected with an indicator light.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the wireless charging base, the wireless resonance circuit and the wireless resonance circuit are arranged in the wireless charging base, so that when the wireless charging base is used, a common mouse pad is only required to be placed on the wireless charging base, when a user operates a wireless mouse on the mouse pad, the wireless charging base can charge the wireless mouse, the replacement operation of the mouse pad cannot be influenced, and the economic cost is reduced; meanwhile, the wireless charging device carries out charging operation through two wireless charging circuits, can meet the charging requirements of all wireless charging equipment, and effectively improves the using effect of the wireless charging device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a wireless resonant circuit according to the present invention;
fig. 2 is a schematic structural diagram of a wireless resonance circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present embodiment discloses a wireless charging base, in which a wireless resonance circuit, and a power supply are disposed, and an output end of the power supply is connected to the wireless resonance circuit and the wireless resonance circuit respectively;
the wireless resonance circuit comprises a wireless charging main control chip, a voltage stabilizer and a peak detector, wherein the model of the wireless charging main control chip is P9247; the output end of a power supply is electrically connected with a VIN pin of a wireless charging main control chip and one end of a voltage stabilizer, the other end of the voltage stabilizer is respectively electrically connected with one end of a resistor R1 and an ISNS-H pin of the wireless charging main control chip, the other end of a resistor R1 is respectively electrically connected with an ISNS-L pin of the wireless charging main control chip, a drain electrode of a MOS tube Q1 and a drain electrode of a MOS tube Q3, a grid electrode of the MOS tube Q1 is electrically connected with a GH-BRG1 pin of the wireless charging main control chip, a source electrode of a MOS tube Q1 is respectively electrically connected with a 5W-BRG1 pin of the wireless charging main control chip, a drain electrode of a MOS tube Q2 and one end of a capacitor C1, and a grid electrode of the MOS tube Q2 is electrically connected with a GL-BRG1 pin of the wireless charging main control chip; the grid electrode of the MOS tube Q3 is electrically connected with a GH-BRG2 pin of the wireless charging main control chip, the source electrode of the MOS tube Q3 is electrically connected with a 5W-BRG2 pin of the wireless charging main control chip, the drain electrode of the MOS tube Q4 and one end of the transmitting coil respectively, and the grid electrode of the MOS tube Q4 is electrically connected with a GL-BRG2 pin of the wireless charging main control chip; one end of the peak detector is electrically connected with a VSNS-IN pin of the wireless charging main control chip, and the other end of the peak detector and the other end of the capacitor C1 are electrically connected with the other end of the transmitting coil; the GND pin of the wireless charging main control chip, the source electrode of the MOS tube Q2 and the source electrode of the MOS tube Q4 are all grounded;
a 5W-5 pin of the wireless charging main control chip is electrically connected with one end of an inductor L1, and the other end of the inductor L1 is electrically connected with one end of a capacitor C2 and a VIN-LDO pin of the wireless charging main control chip respectively; a pin of LDO33 of the wireless charging main control chip is electrically connected with one end of a capacitor C3, a pin of LDO18 of the wireless charging main control chip is electrically connected with one end of a capacitor C4, a PREG pin of the wireless charging main control chip is electrically connected with one end of a capacitor C5, and the other end of the capacitor C2, the other end of the capacitor C3, the other end of the capacitor C4 and the other end of the capacitor C5 are all grounded;
and the GPIO-B6 pin of the wireless charging main control chip is electrically connected with the clock chip.
And an LED1 pin and an LED2 pin of the wireless charging main control chip are respectively connected with an indicator lamp.
The wireless resonance circuit comprises a microcontroller, a first grid driver and a second grid driver, wherein the model of the microcontroller is P9247, and a power supply is formed by connecting an AC/DC converter and a pre-regulator in series; the output end of the power supply is electrically connected with the drain electrode of the MOS transistor Q5 and the drain electrode of the MOS transistor Q7 respectively, the source electrode of the MOS transistor Q5 is electrically connected with the drain electrode of the MOS transistor Q6 and one end of the wireless coil respectively, and the grid electrode of the MOS transistor Q5 and the grid electrode of the MOS transistor Q6 are electrically connected with the output end of the first grid driver; the source electrode of the MOS transistor Q7 is electrically connected with the drain electrode of the MOS transistor Q8 and the other end of the wireless coil respectively, and the grid electrode of the MOS transistor Q7 and the grid electrode of the MOS transistor Q8 are electrically connected with the output end of the second grid driver; the input end of the first gate driver and the input end of the second gate driver are both electrically connected with the output end of the microcontroller, and the source electrode of the MOS transistor Q6 and the source electrode of the MOS transistor Q8 are both grounded.
According to the wireless charging base, the wireless resonance circuit and the wireless resonance circuit are arranged in the wireless charging base, so that when the wireless charging base is used, a common mouse pad is only required to be placed on the wireless charging base, when a user operates a wireless mouse on the mouse pad, the wireless charging base can charge the wireless mouse, the replacement operation of the mouse pad cannot be influenced, and the economic cost is reduced; meanwhile, the wireless charging device carries out charging operation through two wireless charging circuits, can meet the charging requirements of all wireless charging equipment, and effectively improves the using effect of the wireless charging device.
Claims (5)
1. A wireless base that charges which characterized in that: the wireless charging base is internally provided with a wireless resonance circuit, a wireless resonance circuit and a power supply, and the output end of the power supply is respectively connected with the wireless resonance circuit and the wireless resonance circuit;
the wireless resonance circuit comprises a wireless charging main control chip, a voltage stabilizer and a peak detector, wherein the output end of a power supply is electrically connected with a VIN pin of the wireless charging main control chip and one end of the voltage stabilizer, the other end of the voltage stabilizer is electrically connected with one end of a resistor R1 and an ISNS-H pin of the wireless charging main control chip respectively, the other end of a resistor R1 is electrically connected with an ISNS-L pin of the wireless charging main control chip, a drain electrode of a MOS tube Q1 and a drain electrode of a MOS tube Q3 respectively, a grid electrode of the MOS tube Q1 is electrically connected with a GH-BRG1 pin of the wireless charging main control chip, a source electrode of a MOS tube Q1 is electrically connected with a 5W-BRG1 pin of the wireless charging main control chip, a drain electrode of the MOS tube Q2 and one end of a capacitor C1 respectively, and a grid electrode of the MOS tube Q2 is electrically connected with a GL-BRG1 pin of the wireless charging main control chip; the grid electrode of the MOS tube Q3 is electrically connected with a GH-BRG2 pin of the wireless charging main control chip, the source electrode of the MOS tube Q3 is electrically connected with a 5W-BRG2 pin of the wireless charging main control chip, the drain electrode of the MOS tube Q4 and one end of the transmitting coil respectively, and the grid electrode of the MOS tube Q4 is electrically connected with a GL-BRG2 pin of the wireless charging main control chip; one end of the peak detector is electrically connected with a VSNS-IN pin of the wireless charging main control chip, and the other end of the peak detector and the other end of the capacitor C1 are electrically connected with the other end of the transmitting coil; the GND pin of the wireless charging main control chip, the source electrode of the MOS tube Q2 and the source electrode of the MOS tube Q4 are all grounded;
the wireless resonance circuit comprises a microcontroller, a first gate driver and a second gate driver, wherein the output end of a power supply is electrically connected with the drain electrode of the MOS tube Q5 and the drain electrode of the MOS tube Q7 respectively, the source electrode of the MOS tube Q5 is electrically connected with the drain electrode of the MOS tube Q6 and one end of the wireless coil respectively, and the gate electrode of the MOS tube Q5 and the gate electrode of the MOS tube Q6 are electrically connected with the output end of the first gate driver; the source electrode of the MOS transistor Q7 is electrically connected with the drain electrode of the MOS transistor Q8 and the other end of the wireless coil respectively, and the grid electrode of the MOS transistor Q7 and the grid electrode of the MOS transistor Q8 are electrically connected with the output end of the second grid driver; the input end of the first gate driver and the input end of the second gate driver are both electrically connected with the output end of the microcontroller, and the source electrode of the MOS transistor Q6 and the source electrode of the MOS transistor Q8 are both grounded.
2. The wireless charging base of claim 1, wherein: the model of the wireless charging main control chip and the model of the microcontroller are both P9247.
3. The wireless charging base of claim 2, wherein: a 5W-5 pin of the wireless charging main control chip is electrically connected with one end of an inductor L1, and the other end of the inductor L1 is electrically connected with one end of a capacitor C2 and a VIN-LDO pin of the wireless charging main control chip respectively; the pin of LDO33 of the wireless main control chip that charges is electrically connected with one end of electric capacity C3, the pin of LDO18 of the wireless main control chip that charges is electrically connected with one end of electric capacity C4, the PREG pin of the wireless main control chip that charges is electrically connected with one end of electric capacity C5, the other end of electric capacity C2, the other end of electric capacity C3, the other end of electric capacity C4, the other end of electric capacity C5 all ground.
4. The wireless charging base of claim 3, wherein: and the GPIO-B6 pin of the wireless charging main control chip is electrically connected with the clock chip.
5. The wireless charging base of claim 4, wherein: and an LED1 pin and an LED2 pin of the wireless charging main control chip are respectively connected with an indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427322.6U CN215344105U (en) | 2021-06-25 | 2021-06-25 | Wireless charging base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427322.6U CN215344105U (en) | 2021-06-25 | 2021-06-25 | Wireless charging base |
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| Publication Number | Publication Date |
|---|---|
| CN215344105U true CN215344105U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121427322.6U Active CN215344105U (en) | 2021-06-25 | 2021-06-25 | Wireless charging base |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455099A (en) * | 2023-06-20 | 2023-07-18 | 成都斯普奥汀科技有限公司 | Wireless charging and power supplying system for wireless mouse |
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2021
- 2021-06-25 CN CN202121427322.6U patent/CN215344105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455099A (en) * | 2023-06-20 | 2023-07-18 | 成都斯普奥汀科技有限公司 | Wireless charging and power supplying system for wireless mouse |
| CN116455099B (en) * | 2023-06-20 | 2023-08-29 | 成都斯普奥汀科技有限公司 | Wireless charging and power supplying system for wireless mouse |
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