CN206962544U - A kind of TV remote controller wireless charging receiving circuit - Google Patents
A kind of TV remote controller wireless charging receiving circuit Download PDFInfo
- Publication number
- CN206962544U CN206962544U CN201720689710.9U CN201720689710U CN206962544U CN 206962544 U CN206962544 U CN 206962544U CN 201720689710 U CN201720689710 U CN 201720689710U CN 206962544 U CN206962544 U CN 206962544U
- Authority
- CN
- China
- Prior art keywords
- remote controller
- pin
- lithium battery
- bridge rectifier
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of TV remote controller wireless charging receiving circuit in TV remote controller field, including：Resonance coil, receive the electromagnetic wave energy from transmitting coil；Bridge rectifier, the AC conversion that resonance coil is received are sent to charge protector for direct current；Charge protector, to protecting lithium battery during lithium cell charging；Lithium battery, to store the electric energy received, and it is remaining electronic component power supply in remote control；Resonance coil electrically connects with bridge rectifier; bridge rectifier electrically connects with charge-discharge protection circuit; charge-discharge protection circuit is connected with lithium battery; the electromagnetic wave sent can be converted into stable electric energy and be filled with lithium battery by the utility model; the stability and security of remote controller battery charging are ensure that, in being charged available for TV remote controller.
Description
Technical field
A kind of TV remote controller is the utility model is related to, more particularly to a kind of remote control wireless charging circuit.
Background technology
TV remote controller is a kind of device for being used for remote control TV.Modern TV remote controller, mainly by integrating
Circuit electroplax and formed for producing the button of different messages.TV remote controller is the indispensable electronic product of every household.
For existing remote control simultaneously by battery powered, battery consumption is big, and often changes also pretty troublesome, while also pollutes environment.
Utility model content
The purpose of this utility model is to provide a kind of TV remote controller wireless charging receiving circuit, and guarantee electric energy can be stablized can
That leans on is filled with lithium battery.
What the purpose of this utility model was realized in：A kind of TV remote controller wireless charging receiving circuit, including：
Resonance coil, receive the electromagnetic wave energy from transmitting coil；
Bridge rectifier, the AC conversion that resonance coil is received are sent to charge protector for direct current；
Charge protector, to protecting lithium battery during lithium cell charging；
Lithium battery, to store the electric energy received, and it is remaining electronic component power supply in remote control；
The resonance coil electrically connects with bridge rectifier, and bridge rectifier electrically connects with charge-discharge protection circuit,
Charge-discharge protection circuit is connected with lithium battery.
Further limited as of the present utility model, power supply is additionally provided between bridge rectifier and charge protector
Module, to stablize the electric energy of bridge rectifier output, the power module selects WRA1205D-10W power modules.
Further limited as of the present utility model, the resonance coil is made up of the inductance L3 and electric capacity C5 of parallel connection.
Further limited as of the present utility model, the filtered electric capacity C4 of output end of the bridge rectifier and charge and discharge
Electric protection circuit is connected.
Further being limited as of the present utility model, the charge protector selects charging management chip TP4057,
4 pin of TP4057 chips connect the output cathode of bridge rectifier, 3 pin lithium battery anodes of TP4057 chips, TP4057 chips
2 pin connect cathode of lithium battery, 6 pin of TP4057 chips connect cathode of lithium battery through resistance R11.
Further limited as of the present utility model, short circuit has filter capacitor between 3 pin and 2 pin of the TP4057 chips
1 pin of C7, TP4057 chip is grounded through diode D1, resistance R10, electric capacity C6, and 2 pin of TP4057 chips are through diode D2, electricity
R10, electric capacity C6 ground connection are hindered, the electrode points between resistance R10 and electric capacity C6 also connect 4 pin of TP4057 chips.
During utility model works, resonance coil receives frequency and resonant frequency identical AC energy are whole by bridge-type
Current circuit is translated into direct current energy, then is converted into stable electric energy by power module and is sent to charge protector, then
It is filled with by charge protector in lithium battery.
Compared with prior art, the beneficial effects of the utility model are, the electromagnetism that the utility model will can be sent
Ripple is converted into stable electric energy and is filled with lithium battery, ensure that the stability and security of remote controller battery charging.This practicality is new
Type can be used in TV remote controller charging.
Brief description of the drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
A kind of TV remote controller wireless charging receiving circuit as shown in Figure 1, including：
Resonance coil, the electromagnetic wave energy from transmitting coil is received, the resonance coil is by inductance L3 and electricity in parallel
Hold C5 compositions；
Bridge rectifier, the AC conversion that resonance coil is received are sent to charge protector for direct current, institute
The filtered electric capacity C4 of output end for stating bridge rectifier is connected with power module；
Power module, will stablize the electric energy of bridge rectifier output, the power module selects WRA1205D-
10W power modules；
Charge protector, to protecting lithium battery during lithium cell charging, the charge protector is from charging
4 pin of managing chip TP4057, TP4057 chip connect the output cathode of bridge rectifier, 3 pin lithium batteries of TP4057 chips
Positive pole, 2 pin of TP4057 chips connect cathode of lithium battery, and 6 pin of TP4057 chips connect cathode of lithium battery through resistance R11, described
Short circuit has 1 pin of filter capacitor C7, TP4057 chip through diode D1, resistance R10, electricity between 3 pin and 2 pin of TP4057 chips
Hold C6 ground connection, 2 pin of TP4057 chips are grounded through diode D2, resistance R10, electric capacity C6, the electricity between resistance R10 and electric capacity C6
Limit also connects 4 pin of TP4057 chips；
Lithium battery, to store the electric energy received, and it is remaining electronic component power supply in remote control；
The resonance coil electrically connects with bridge rectifier, and bridge rectifier electrically connects with power module, power supply mould
Block is electrically connected with charge-discharge protection circuit, and charge-discharge protection circuit is connected with lithium battery.
The charging management chip TP4057 selected in the utility model is different from general charge and discharge protective chip, TP4057
Built-in PMOSFET, without external MOSFET or isolating diode；Its charging voltage is fixed on 4.2V（Precision is up to 1%）, charging electricity
Stream can be set by external resistor；It uses 6 pin SOT to encapsulate, and wherein VCC input supply voltages scope is -0.3-9V, its
PROG pin voltages can control the charging current of lithium battery, R24=1.66K, charging current I in figureBAT=500mA, works as charging current
During less than 50mA, it will terminate charging automatically；In addition, CHRG and STDBY controls red green two LEDs to show charging circuit respectively
Working condition, it is as shown in the table；
。
The utility model is not limited to above-described embodiment, on the basis of technical scheme disclosed in the utility model, this
The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour can is special to some of which technology
Sign makes some and replaces and deform, and these are replaced and deformed in the scope of protection of the utility model.
Claims (6)
- A kind of 1. TV remote controller wireless charging receiving circuit, it is characterised in that including：Resonance coil, receive the electromagnetic wave energy from transmitting coil；Bridge rectifier, the AC conversion that resonance coil is received are sent to charge protector for direct current；Charge protector, to protecting lithium battery during lithium cell charging；Lithium battery, to store the electric energy received, and it is remaining electronic component power supply in remote control；The resonance coil electrically connects with bridge rectifier, and bridge rectifier electrically connects with charge-discharge protection circuit, charge and discharge Electric protection circuit is connected with lithium battery.
- A kind of 2. TV remote controller wireless charging receiving circuit according to claim 1, it is characterised in that bridge rectifier Power module is additionally provided between charge protector, to stablize the electric energy of bridge rectifier output, the power supply mould Block selects WRA1205D-10W power modules.
- 3. a kind of TV remote controller wireless charging receiving circuit according to claim 1 or 2, it is characterised in that described humorous The coil that shakes is made up of the inductance L3 and electric capacity C5 of parallel connection.
- A kind of 4. TV remote controller wireless charging receiving circuit according to claim 1 or 2, it is characterised in that the bridge The filtered electric capacity C4 of output end of formula rectification circuit is connected with charge-discharge protection circuit.
- 5. a kind of TV remote controller wireless charging receiving circuit according to claim 1 or 2, it is characterised in that described to fill Electric protection circuit connects the output cathode of bridge rectifier from 4 pin of charging management chip TP4057, TP4057 chip, 3 pin lithium battery anodes of TP4057 chips, 2 pin of TP4057 chips connect cathode of lithium battery, and 6 pin of TP4057 chips are through resistance R11 connects cathode of lithium battery.
- A kind of 6. TV remote controller wireless charging receiving circuit according to claim 5, it is characterised in that the TP4057 1 pin that short circuit has filter capacitor C7, TP4057 chip between 3 pin and 2 pin of chip connects through diode D1, resistance R10, electric capacity C6 Ground, 2 pin of TP4057 chips are grounded through diode D2, resistance R10, electric capacity C6, and the electrode points between resistance R10 and electric capacity C6 are also Connect 4 pin of TP4057 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689710.9U CN206962544U (en) | 2017-06-14 | 2017-06-14 | A kind of TV remote controller wireless charging receiving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689710.9U CN206962544U (en) | 2017-06-14 | 2017-06-14 | A kind of TV remote controller wireless charging receiving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962544U true CN206962544U (en) | 2018-02-02 |
Family
ID=61379264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720689710.9U Expired - Fee Related CN206962544U (en) | 2017-06-14 | 2017-06-14 | A kind of TV remote controller wireless charging receiving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768394A (en) * | 2019-10-31 | 2020-02-07 | 广州华凌制冷设备有限公司 | Remote controller and vehicle-mounted air conditioner |
-
2017
- 2017-06-14 CN CN201720689710.9U patent/CN206962544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768394A (en) * | 2019-10-31 | 2020-02-07 | 广州华凌制冷设备有限公司 | Remote controller and vehicle-mounted air conditioner |
| CN110768394B (en) * | 2019-10-31 | 2021-09-10 | 广州华凌制冷设备有限公司 | Remote controller and vehicle-mounted air conditioner |
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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 |
Granted publication date: 20180202 Termination date: 20180614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |