CN209562245U - A kind of intelligent device for increasing radio induction charging region - Google Patents
A kind of intelligent device for increasing radio induction charging region Download PDFInfo
- Publication number
- CN209562245U CN209562245U CN201920407669.0U CN201920407669U CN209562245U CN 209562245 U CN209562245 U CN 209562245U CN 201920407669 U CN201920407669 U CN 201920407669U CN 209562245 U CN209562245 U CN 209562245U
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- Prior art keywords
- induction charging
- radio induction
- radio
- voltage
- module
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Abstract
The utility model discloses a kind of intelligent devices for increasing radio induction charging region, it includes two radio induction charging modules, voltage compares switching module, the feedback or datum node voltage output of described two radio induction charging module induction coil feedback signal processing circuit output ends compare switching module to voltage, node voltage compares through voltage exports low and high level to corresponding radio induction charging module microcontroller after switching module compares switching, receive low or high level signal microcontroller control oscillating circuit work, generate the electromagnetic field of induction, it charges to radio induction charging mouse.The utility model can realize that limited power under conditions of USB 5V 500mA electric current, increases radio induction charging region by two induction coils, and mouse moving range is big, using more convenient.
Description
Technical field
The utility model category wireless charging technical field, is related to a kind of radio induction charging, and in particular to a kind of intelligent
Increase the device in radio induction charging region.
Background technique
The patent No. 2018206592406 discloses a kind of intelligent radio charging pad and mobile wireless charge prepd, can be real
Existing charging pad divides multiple mobile wireless charge prepds by single-chip microcontroller U1 control within the scope of certain magnetic field by demodulating
It charges with formula intelligent radio, but the limited power of wireless charging electrical pad, in USB 5V 500mA electric current, magnetic field range is small, causes to supply
It is limited to the region of radio induction charging, is made troubles to using.
Utility model content
The purpose of this utility model is to provide a kind of limited powers in the intelligent increase nothing of USB 5V 500mA electric current
The device in line induction charging region, to solve shortcoming in the prior art.
The technical solution adopted in the utility model is: a kind of intelligent device for increasing radio induction charging region, including
Two radio induction charging modules, voltage compare switching module, described two radio induction charging module induction coil feedback news
The feedback or datum node voltage output of number processing circuit output end compare switching module to voltage, and node voltage compares through voltage
Switching module exports low and high level to corresponding radio induction charging module microcontroller after comparing switching, receives low or high level
The microcontroller control oscillating circuit work of signal, generates the electromagnetic field of induction, charges to radio induction charging mouse.
Further, the radio induction charging module includes that sequentially connected MCU, shaping circuit, enhanced power are put
Big device, LC oscillating circuit, and the reverse amplification circuit and reverse amplification circuit that connect with LC oscillating circuit induction coil export
The filtering shaping circuit of connection is held, the filtering shaping circuit output end is connect with MCU pin, and the voltage compares switching module
It is connect respectively with the filtering shaping circuit output end of each radio induction charging module, MCU input pin.
Further, the voltage compares the phase inverter that switching module includes comparator, connect with comparator output terminal, institute
The output end for stating the filtering shaping circuit of two radio induction charging modules is connect with comparator respectively, the phase inverter respectively with
The MCU input pin connection of two radio induction charging modules.
Further, the output pin that the MCU of the radio induction charging module is connect with shaping circuit is also connected with work
Indicator light.
The utility model compared with prior art, has the advantages that
1, the utility model compares switching module, described two nothings by two radio induction charging modules of setting, voltage
Line induction charging module exports the feedback signal of induction coil or datum node voltage to voltage compares switching module, node voltage
Compare through voltage and export low and high level to corresponding radio induction charging module microcontroller after switching module compares switching, receives
Low or high level signal microcontroller control oscillating circuit work, generates the electromagnetic field of induction, gives radio induction charging mouse
Charging is, it can be achieved that limited power increases wireless induction by two induction coils under conditions of USB 5V 500mA electric current
Charged area, mouse moving range is big, using more convenient.
2, setting voltage compares the phase inverter that switching module includes comparator, connect with comparator output terminal, circuit structure
Simply, production cost is low.
3, work light is set, work suggesting effect is played.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the circuit diagram of the utility model.
In figure: A. radio induction charging module, B. radio induction charging module,
C. voltage compares switching module, D. radio induction charging mouse,
L1A. induction coil, L1B. induction coil.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of intelligent device for increasing radio induction charging region of the utility model, including two wireless
Induction charging modules A, B, voltage compare switching module C.
As shown in Fig. 2, wherein radio induction charging modular circuit A is by MCU U1A, diode D1A, DPA, DNA, resistance
R6A, R4A, RPA, RNA, R8A, R10A, R5A, R9A, R3A, R7A, R11A, R1A, capacitor C3A, EC2A, EC3A, C7A, C6A,
C5A, C4A, work light LED1A, enhanced power amplifier U2A, sign-changing amplifier U3A are formed, radio induction charging
Modular circuit B by MCU U1B, diode D1B, DPB, DNB, resistance R6B, R4B, RP1B, RN1B, R8B, R10B, R5B, R9B,
R3B, R7B, R11B, R1B, capacitor C3B, EC2B, EC3B, C7B, C6B, C5B, C4B, work light LED1B, enhanced power
Amplifier U2B, sign-changing amplifier U3B are formed, and voltage compares the circuit 3 of switching module by comparator U4, phase inverter U5 institute group
At.
As shown in Figure 1 and Figure 2, when radio induction charging game mouse D enters in the induction range of induction coil L1A, induction
Resistance R3A of the signal through radio induction charging modular circuit A of coil L1A feedback, is reversely put again after capacitor C5A filter shape
Big device U3A, resistance R7A, R11A reversely amplify, then through resistance R1A, the DC feedback node voltage VA of capacitor C5A filter shape
Datum node voltage VB than radio induction charging modular circuit B is low, and VA, VB compare the comparison of switching module circuit 3 through voltage
The voltage of VC is low level after device U4, phase inverter U5 processing, and the voltage of VD is high level, and VC low level connects the defeated of MCU U1A
Enter the 18th foot of foot, MCU U1A judgement open the 13rd foot of output pin provide 125KHz signal via shaping circuit diode DPA,
After DNA, resistance RPA, RNA, then enhanced type power amplifier U2A amplified signal, pass through capacitor C6A, the inductance of oscillating circuit
Coil L1A, resistance R5A, R9A generate the electromagnetic field of induction, and then charge to radio induction charging game mouse D, VD high level
The 18th foot of input pin of MCU U1B is connected, the 13rd foot of output pin is closed in MCU U1B judgement makes induction coil L1B that can not generate sense
The electromagnetic field answered reaches only radio induction charging game mouse D and enters in the induction range of induction coil L1A, wireless induction
Charging module circuit A has starting power consumption, and radio induction charging modular circuit B, which does not start, does not have power consumption, reaches USB 5V 500mA
Whole device can be supplied to use enough.
The rest may be inferred, as shown in Fig. 2, when radio induction charging game mouse D enters the induction range of induction coil L1B
It is interior, resistance R3B of the signal through radio induction charging modular circuit B of induction coil L1B feedback, after capacitor C5B filter shape again
Through sign-changing amplifier U3B, resistance R7B, R11B reversely amplify, then filter the DC feedback section of integer through resistance R1B, capacitor C5B
Point voltage VB is lower than the datum node voltage VA of radio induction charging modular circuit A, and the ratio of switching module circuit 3 is compared through voltage
Compared with device U4, the voltage of VC is high level after phase inverter U5 processing, and the voltage of VD is low level, and VD low level connects the defeated of MCUU1B
Enter the 18th foot of foot, diode DPB, DNB of the 13rd shaped circuit of foot 125KHz signal of output pin, electricity are opened in MCU U1B judgement
After hindering RPB, RNB, then enhanced type power amplifier U2B amplified signal, pass through capacitor C6B, the inductance coil of oscillating circuit
L1B, resistance R5B, R9B generate the electromagnetic field of induction, and then charge to radio induction charging game mouse D, the connection of VC high level
The 18th foot of input pin of MCU U1A, the 13rd foot of output pin is closed in MCU U1A judgement makes induction coil L1A that can not generate induction
Electromagnetic field reaches only radio induction charging game mouse D and enters in the induction range of induction coil L1B, radio induction charging
Modular circuit B has starting power consumption, and radio induction charging modular circuit A, which does not start, does not have power consumption, and reaching USB 5V 500mA can be sufficient
Enough whole device is supplied to use.
Two radio induction charging modules of the utility model can be controlled using a microcontroller.
The structure and principle of the utility model are applicable to multiple induction coils by multiple radio induction charging modules
Increase radio induction charging region by the control of microcontroller.
Above embodiment is specific embodiment of the utility model, be not intended to limit the implementation of the utility model with
Interest field, all equivalence changes and modification made according to content described in utility model application scope of patent protection, should all wrap
It includes in present utility model application the scope of the patents.
Claims (4)
1. a kind of intelligent device for increasing radio induction charging region, which is characterized in that including two radio induction charging moulds
Block, voltage compare switching module, described two radio induction charging module induction coil feedback signal processing circuit output ends
Feedback or datum node voltage output compare switching module to voltage, and node voltage compares after switching module compares switching through voltage
Low and high level is exported to corresponding radio induction charging module microcontroller, receives low or high level signal microcontroller control
Oscillating circuit work, generates the electromagnetic field of induction, charges to radio induction charging mouse.
2. the intelligent device for increasing radio induction charging region of one kind according to claim 1, which is characterized in that described
Radio induction charging module includes sequentially connected MCU, shaping circuit, enhanced power amplifier, LC oscillating circuit, Yi Jiyu
The reverse amplification circuit of LC oscillating circuit induction coil connection, the filtering shaping circuit being connect with reverse amplification circuit output end,
The filtering shaping circuit output end is connect with MCU pin, and the voltage compares switching module and fills respectively with each wireless induction
The filtering shaping circuit output end of electric module, the connection of MCU input pin.
3. the intelligent device for increasing radio induction charging region of one kind according to claim 2, which is characterized in that described
Voltage compares the phase inverter that switching module includes comparator, connect with comparator output terminal, described two radio induction charging moulds
The output end of the filtering shaping circuit of block is connect with comparator respectively, the phase inverter respectively with two radio induction charging modules
MCU input pin connection.
4. the intelligent device for increasing radio induction charging region of one kind according to claim 2, which is characterized in that described
The output pin that the MCU of radio induction charging module is connect with shaping circuit is also connected with work light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920407669.0U CN209562245U (en) | 2019-03-28 | 2019-03-28 | A kind of intelligent device for increasing radio induction charging region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920407669.0U CN209562245U (en) | 2019-03-28 | 2019-03-28 | A kind of intelligent device for increasing radio induction charging region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209562245U true CN209562245U (en) | 2019-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920407669.0U Expired - Fee Related CN209562245U (en) | 2019-03-28 | 2019-03-28 | A kind of intelligent device for increasing radio induction charging region |
Country Status (1)
| Country | Link |
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| CN (1) | CN209562245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217296A (en) * | 2020-09-14 | 2021-01-12 | 纳恩博（天津）科技有限公司 | Wireless charging method, device, equipment and computer storage medium |
-
2019
- 2019-03-28 CN CN201920407669.0U patent/CN209562245U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217296A (en) * | 2020-09-14 | 2021-01-12 | 纳恩博（天津）科技有限公司 | Wireless charging method, device, equipment and computer storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 |