CN110165752A - Wireless charge and discharge device and its charging/discharging thereof - Google Patents
Wireless charge and discharge device and its charging/discharging thereof Download PDFInfo
- Publication number
- CN110165752A CN110165752A CN201910567319.5A CN201910567319A CN110165752A CN 110165752 A CN110165752 A CN 110165752A CN 201910567319 A CN201910567319 A CN 201910567319A CN 110165752 A CN110165752 A CN 110165752A
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- 238000007599 discharging Methods 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 239000004065 semiconductor Substances 0.000 claims description 55
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H02J7/025—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of wireless charge and discharge device and its charging/discharging thereof, the device includes power module and control module, power module is that control module exports electric energy, control module includes central control unit, frequency conversion drive module and charge-discharge modules, central control unit sends driving control signal to frequency conversion drive module, frequency conversion drive module exports pulse control signal to charge-discharge modules according to driving control signal, to control being turned on/off for charge-discharge modules, electric energy is exported outward by charge-discharge modules by power module, or, charging signals are received by charge-discharge modules control power module.Charging/discharging thereof of the invention is electrically operated using above-mentioned wireless charge and discharge device progress charge and discharge.Wireless charging coil two-way operation may be implemented in the present invention, avoids conventional wireless charging transmitting and the separated mode of receiving coil, space hold is few, at low cost.
Description
[technical field]
The present invention relates to wireless charging technical fields, more particularly, to a kind of wireless charge and discharge device and the charge and discharge Denso
The charging/discharging thereof set.
[background technique]
Mobile power source is also charger baby, traveling charger etc., is a kind of to integrate the portable of power supply and charge function
Charger can charge whenever and wherever possible to digital equipments such as mobile phone, tablet computers.
Mobile power source currently on the market uses wired charging method, usually with cellular phone data line, special charging line pair
Charger baby or charger baby charge to outside, inevasible to use corresponding connector.Wherein, connector (regardless of
Which kind of mode) it can be reduced with plug number, contact life, directly affect charger baby service life.Also, currently on the market
Charger baby, by the way of connecting line charging, inconvenient carrying (being restricted by charging cable) patches due to not can avoid to exist
Part, shell charge and discharge power port are unable to reach dust-proof and moisture-proof.
[summary of the invention]
The main object of the present invention, which is to provide, a kind of applied to mobile power source and may be implemented the wireless of wireless charge and discharge
Charge and discharge device.
It is a further object of the present invention to provide a kind of applied to mobile power source and the wireless of wireless charge and discharge may be implemented
The charging/discharging thereof of charge and discharge device.
In order to realize above-mentioned main purpose, wireless charge and discharge device provided by the invention includes power module and control
Module, the power module are that the control module exports electric energy, and the control module includes central control unit, frequency conversion drive
Module and charge-discharge modules, the central control unit send driving control signal, the change to the frequency conversion drive module
Frequency drive module exports pulse control signal to the charge-discharge modules according to the driving control signal, to control the charge and discharge
Electric module is turned on/off, and electric energy is exported outward by the charge-discharge modules by the power module, alternatively, being filled by described
Discharge module controls the power module and receives charging signals.
Further embodiment is that the power module includes power management module and battery module, the power management
Module is electrically connected with the battery module.
Further scheme is that the charge-discharge modules include full-bridge power switch and inductance coil, the full-bridge
Power switch is electrically connected with the inductance coil.
Further scheme is, the full-bridge power switch include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor with
And the 4th metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor are electrically connected with the second end of the frequency conversion drive module, second metal-oxide-semiconductor
Grid be electrically connected with the third end of the frequency conversion drive module, the grid of the third metal-oxide-semiconductor and the frequency conversion drive module
The electrical connection of the 4th end, the grid of the 4th metal-oxide-semiconductor is electrically connected with the 5th end of the frequency conversion drive module.
Further scheme is, the first end of the inductance coil is connected to the source electrode of first metal-oxide-semiconductor and described
Between the drain electrode of second metal-oxide-semiconductor, the second end of the inductance coil is connected to the source electrode and the described 4th of the third metal-oxide-semiconductor
Between the drain electrode of metal-oxide-semiconductor.
Further scheme is gone back between the grid of first metal-oxide-semiconductor and the second end of the frequency conversion drive module
It is connected with first resistor, is also connected with second between the grid of second metal-oxide-semiconductor and the third end of the frequency conversion drive module
Resistance, is also connected with 3rd resistor between the grid of the third metal-oxide-semiconductor and the 4th end of the frequency conversion drive module, and described
The 4th resistance is also connected between the grid of four metal-oxide-semiconductors and the 5th end of the frequency conversion drive module.
Further scheme is that the charge-discharge modules further include the 5th resistance, first capacitor and the second capacitor, institute
The first end for stating the 5th resistance is connected to the first end of the inductance coil, and the second end of the 5th resistance is connected to described
The first end of one capacitor, the second end of the first capacitor are connected to the first end of second capacitor, second capacitor
Second end is connected to the second end of the inductance coil.
It can be seen that wireless charging may be implemented by simple circuit design in wireless charge and discharge device provided by the invention
Electric coil two-way operation emits and receives and completed by the same inductance coil.When wireless charge and discharge device is in internally charging
When mode, inductance coil is used as receiving coil, after electromagnetic pulse is incuded by the inductance coil, is filled to wireless charge and discharge
Internal cell is set to charge；When wireless charge and discharge device is in external charge mode, pattern switching to emission mode, accordingly
The work of emitting portion circuit, inductance coil is as transmitting terminal to external equipment charge.
So circuit structure of the invention avoids conventional wireless charging transmitting and the separated mode of receiving coil, it can be with
Fuselage interior space is saved, and traditional scheme is greatly reduced because of increased costs caused by using separated reception and transmitting coil.
In order to realize above-mentioned another object, the charging/discharging thereof of wireless charge and discharge device provided by the invention includes following
Step: after determining that the wireless charge and discharge device is in external charge mode, central control unit exports control instruction to change
Frequency drive module, the frequency conversion drive module output control pulse drive full-bridge power switch, and the full-bridge power switch will be electric
Pond inside modules DC power supply is converted to high-frequency ac current, and launches outward electromagnetic energy by inductance coil；If it is determined that institute
When stating wireless charge and discharge device and being not at external charge mode, then judge whether the wireless charge and discharge device is in internal charging
Mode, if so, the central control unit exports control instruction to close the full-bridge power switch so that the full-bridge
Power switch internal diode constitutes full-bridge rectification, and the high-frequency magnetoelectric gesture that inductance coil senses is converted into direct current as electricity
Source control module provides power supply, and carries out charging operations to battery module.
It can be seen that wireless charging electric wire may be implemented by simple circuit design in charging/discharging thereof provided by the invention
Two-way operation is enclosed, that is, emits and receives and completed by the same inductance coil.When wireless charge and discharge device is in internal charge mode
When, inductance coil is used as receiving coil, after electromagnetic pulse is incuded by the inductance coil, in wireless charge and discharge device
Portion's battery charges；When wireless charge and discharge device is in external charge mode, pattern switching to emission mode is corresponding to emit
Partial circuit work, inductance coil is as transmitting terminal to external equipment charge.
So circuit structure of the invention avoids conventional wireless charging transmitting and the separated mode of receiving coil, it can be with
Fuselage interior space is saved, and traditional scheme is greatly reduced because of increased costs caused by using separated reception and transmitting coil.
[Detailed description of the invention]
Fig. 1 is the circuit diagram of wireless charge and discharge device embodiment of the invention.
[specific embodiment]
In order to which the objects, technical solutions and advantages of invention are more clearly understood, with reference to the accompanying drawings and embodiments, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
It limits the use of in the present invention.
Wireless charge and discharge device embodiment:
As shown in Figure 1, wireless charge and discharge device of the invention includes power module 1 and control module, power module 1 is
Control module exports electric energy, and control module includes central control unit 20, frequency conversion drive module 30 and charge-discharge modules, center
Control unit 20 sends driving control signal to frequency conversion drive module 30, and frequency conversion drive module 30 is according to driving control signal to filling
Discharge module exports pulse control signal, to control being turned on/off for charge-discharge modules, passes through charge and discharge mould by power module 1
Block exports electric energy outward, alternatively, receiving charging signals by charge-discharge modules control power module 1.Wherein, frequency conversion drive module 30
It can be the metal-oxide-semiconductor driving circuit composition of a frequency converter and a routine.
In the present embodiment, power module 1 includes power management module 11 and battery module 12, power management module 11
It is electrically connected with battery module 12.Wherein, power management module 11 can be lithium battery managing chip, can monitor and entirely charge
Journey executes preliminary filling, constant current, three stage of the constant pressure charge function of battery module.
In the present embodiment, charge-discharge modules include full-bridge power switch 41 and inductance coil L1, full-bridge power switch
41 are electrically connected with inductance coil L1.
In the present embodiment, full-bridge power switch 41 includes metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4, MOS
The grid of pipe Q1 is electrically connected with the second end of frequency conversion drive module 30, the grid of metal-oxide-semiconductor Q2 and the third of frequency conversion drive module 30
End electrical connection, the grid of metal-oxide-semiconductor Q3 are electrically connected with the 4th end of frequency conversion drive module 30, the grid and frequency conversion drive of metal-oxide-semiconductor Q4
5th end of module 30 is electrically connected.
Wherein, the first end of inductance coil L1 is connected between the drain electrode of source electrode and metal-oxide-semiconductor Q2 of metal-oxide-semiconductor Q1, inductor wire
The second end of circle L1 is connected between the drain electrode of source electrode and metal-oxide-semiconductor Q4 of metal-oxide-semiconductor Q3.
Wherein, resistance R1, metal-oxide-semiconductor Q2 are also connected between the grid of metal-oxide-semiconductor Q1 and the second end of frequency conversion drive module 30
Grid and frequency conversion drive module 30 third end between be also connected with resistance R2, the grid and frequency conversion drive module of metal-oxide-semiconductor Q3
It is also connected with resistance R3 between 30 the 4th end, is also connected between the grid of metal-oxide-semiconductor Q4 and the 5th end of frequency conversion drive module 30
There is resistance R4.
In the present embodiment, charge-discharge modules further include resistance R5, capacitor C1 and capacitor C2, and the first end of resistance R5 connects
It is connected to the first end of inductance coil L1, the second end of resistance R5 is connected to the first end of capacitor C1, the second end connection of capacitor C1
To the first end of capacitor C2, the second end of capacitor C2 is connected to the second end of inductance coil L1.
It can be seen that wireless charging may be implemented by simple circuit design in wireless charge and discharge device provided by the invention
Electric coil two-way operation emits and receives and completed by the same inductance coil L1.It is internally filled when wireless charge and discharge device is in
When power mode, inductance coil L1 is used as receiving coil, after electromagnetic pulse is incuded by inductance coil L1, to wireless charge and discharge
Electric installation internal cell charges；When wireless charge and discharge device is in external charge mode, pattern switching to emission mode,
Corresponding emitting portion circuit work, inductance coil L1 is as transmitting terminal to external equipment charge.
So circuit structure of the invention avoids conventional wireless charging transmitting and the separated mode of receiving coil, it can be with
Fuselage interior space is saved, and traditional scheme is greatly reduced because of increased costs caused by using separated reception and transmitting coil.
The charging/discharging thereof embodiment of wireless charge and discharge device:
In the present embodiment, the charging/discharging thereof of wireless charge and discharge device is the following steps are included: in the wireless charge and discharge of determination
After device is in external charge mode, central control unit 20 exports control instruction to frequency conversion drive module 30, frequency conversion drive mould
30 output control pulse of block drives full-bridge power switch 41, and full-bridge power switch 41 converts 12 internal dc source of battery module
For high-frequency ac current, and electromagnetic energy is launched outward by inductance coil L1；If it is determined that wireless charge and discharge device is not at pair
When outer charge mode, then judge whether wireless charge and discharge device is in internal charge mode, if so, central control unit 20 is defeated
Control instruction is to close full-bridge power switch 41 so that 41 internal diode of full-bridge power switch is constituted full-bridge rectification, and general out
The high-frequency magnetoelectric gesture that inductance coil L1 is sensed is converted into direct current and provides power supply for power management module 11, and to battery mould
Block 12 carries out charging operations.
Wherein, when 4 metal-oxide-semiconductors of H bridge are closed, the parasitic diode of metal-oxide-semiconductor itself constitutes full-bridge rectification；Inductance coil
The high-frequency electrical kinetic potential that L1 is sensed is organized into DC current by diode, and H bridge provides power supply for charge inside module, internally
Portion's battery module 12 charges.
In a particular application, wireless charge and discharge device of the invention is when charging to external equipment: being controlled by center
Unit 20 issues control instruction to frequency conversion drive module 30, and 30 output control pulse of frequency conversion drive module drives metal-oxide-semiconductor Q1, MOS
Pipe Q2, metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4 (full-bridge power switch), become high-frequency ac current for internal cell DC power supply, pass through electricity
Feel coil L1, emits electromagnetic energy to external equipment.
When charging to wireless charge and discharge device: control signal is exported by central control unit 20, by full bridge power
Switch 41 is closed, and 4 metal-oxide-semiconductors of full-bridge switch (metal-oxide-semiconductor Q1-Q4) endophyte diode, full-bridge rectification is constituted, by inductance coil
The high-frequency magnetoelectric gesture that L1 is sensed, rectification electric signal are converted to DC signal, provide power supply for power management module 11, and
It charges to internal battery module 12.
It can be seen that wireless charging electric wire may be implemented by simple circuit design in charging/discharging thereof provided by the invention
Two-way operation is enclosed, that is, emits and receives and completed by the same inductance coil L1.When wireless charge and discharge device is in internally charging mould
When formula, inductance coil L1 is used as receiving coil, after electromagnetic pulse is incuded by inductance coil L1, is filled to wireless charge and discharge
Internal cell is set to charge；When wireless charge and discharge device is in external charge mode, pattern switching to emission mode, accordingly
The work of emitting portion circuit, inductance coil L1 is as transmitting terminal to external equipment charge.
So circuit structure of the invention avoids conventional wireless charging transmitting and the separated mode of receiving coil, it can be with
Fuselage interior space is saved, and traditional scheme is greatly reduced because of increased costs caused by using separated reception and transmitting coil.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept invented is not limited thereto,
All insubstantial modifications made using this design to the present invention, are also fallen within the scope of protection of the present invention.
Claims (8)
1. wireless charge and discharge device, including power module and control module, the power module is control module output
Electric energy, it is characterised in that:
The control module includes central control unit, frequency conversion drive module and charge-discharge modules, the central control unit
Driving control signal is sent to the frequency conversion drive module, the frequency conversion drive module is according to the driving control signal to described
Charge-discharge modules output pulse control signal is passed through with controlling being turned on/off for the charge-discharge modules by the power module
The charge-discharge modules export electric energy outward, alternatively, controlling the power module by the charge-discharge modules receives charging signals.
2. wireless charge and discharge device according to claim 1, it is characterised in that:
The power module includes power management module and battery module, and the power management module and the battery module are electric
Connection.
3. wireless charge and discharge device according to claim 1, it is characterised in that:
The charge-discharge modules include full-bridge power switch and inductance coil, the full-bridge power switch and the inductance coil
Electrical connection.
4. wireless charge and discharge device according to claim 3, it is characterised in that:
The full-bridge power switch include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor and the 4th metal-oxide-semiconductor, described first
The grid of metal-oxide-semiconductor is electrically connected with the second end of the frequency conversion drive module, the grid of second metal-oxide-semiconductor and the frequency conversion drive
The third end of module is electrically connected, and the grid of the third metal-oxide-semiconductor is electrically connected with the 4th end of the frequency conversion drive module, and described the
The grid of four metal-oxide-semiconductors is electrically connected with the 5th end of the frequency conversion drive module.
5. wireless charge and discharge device according to claim 4, it is characterised in that:
The first end of the inductance coil is connected between the drain electrode of source electrode and second metal-oxide-semiconductor of first metal-oxide-semiconductor, institute
The second end for stating inductance coil is connected between the drain electrode of source electrode and the 4th metal-oxide-semiconductor of the third metal-oxide-semiconductor.
6. wireless charge and discharge device according to claim 4, it is characterised in that:
It is also connected with first resistor between the grid of first metal-oxide-semiconductor and the second end of the frequency conversion drive module, described
Second resistance, the grid of the third metal-oxide-semiconductor are also connected between the grid of two metal-oxide-semiconductors and the third end of the frequency conversion drive module
3rd resistor, the grid of the 4th metal-oxide-semiconductor and the change are also connected between pole and the 4th end of the frequency conversion drive module
The 4th resistance is also connected between 5th end of frequency drive module.
7. wireless charge and discharge device according to claim 3, it is characterised in that:
The charge-discharge modules further include the 5th resistance, first capacitor and the second capacitor, and the first end of the 5th resistance connects
It is connected to the first end of the inductance coil, the second end of the 5th resistance is connected to the first end of the first capacitor, described
The second end of first capacitor is connected to the first end of second capacitor, and the second end of second capacitor is connected to the inductance
The second end of coil.
8. the charging/discharging thereof of wireless charge and discharge device, which is characterized in that the wireless charge and discharge device is using aforesaid right
It is required that any one of 1 to the 7 wireless charge and discharge device；
The charging/discharging thereof the following steps are included:
After determining that the wireless charge and discharge device is in external charge mode, central control unit exports control instruction to frequency conversion
Drive module, the frequency conversion drive module output control pulse drive full-bridge power switch, and the full-bridge power switch is by battery
Inside modules DC power supply is converted to high-frequency ac current, and launches outward electromagnetic energy by inductance coil；
If it is determined that whether then judging the wireless charge and discharge device when the wireless charge and discharge device is not at external charge mode
In internal charge mode, if so, the central control unit export control instruction with close the full-bridge power switch with
So that the full-bridge power switch internal diode constitutes full-bridge rectification, and the high-frequency magnetoelectric gesture that inductance coil is sensed is converted
Power supply is provided for power management module at direct current, and charging operations are carried out to battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567319.5A CN110165752A (en) | 2019-06-27 | 2019-06-27 | Wireless charge and discharge device and its charging/discharging thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910567319.5A CN110165752A (en) | 2019-06-27 | 2019-06-27 | Wireless charge and discharge device and its charging/discharging thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110165752A true CN110165752A (en) | 2019-08-23 |
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ID=67636746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910567319.5A Pending CN110165752A (en) | 2019-06-27 | 2019-06-27 | Wireless charge and discharge device and its charging/discharging thereof |
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| Country | Link |
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| CN (1) | CN110165752A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560970A (en) * | 2016-03-21 | 2017-04-12 | 中兴新能源汽车有限责任公司 | Wireless charging receiving device, electric car, and wireless charging system |
| CN107919715A (en) * | 2017-12-19 | 2018-04-17 | 深圳市金威澎电子有限公司 | A kind of double-direction radio charging unit and charging method |
| CN108173356A (en) * | 2018-02-09 | 2018-06-15 | 北京云狐时代科技有限公司 | A kind of mobile terminal and wireless charging method based on wireless charging |
| CN208807726U (en) * | 2018-07-17 | 2019-05-03 | 惠州市红米电子有限公司 | A kind of Multifunctional cosmetic mirror |
| CN209881457U (en) * | 2019-06-27 | 2019-12-31 | 珠海市嘉德电能科技有限公司 | Wireless charging and discharging device |
-
2019
- 2019-06-27 CN CN201910567319.5A patent/CN110165752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560970A (en) * | 2016-03-21 | 2017-04-12 | 中兴新能源汽车有限责任公司 | Wireless charging receiving device, electric car, and wireless charging system |
| CN107919715A (en) * | 2017-12-19 | 2018-04-17 | 深圳市金威澎电子有限公司 | A kind of double-direction radio charging unit and charging method |
| CN108173356A (en) * | 2018-02-09 | 2018-06-15 | 北京云狐时代科技有限公司 | A kind of mobile terminal and wireless charging method based on wireless charging |
| CN208807726U (en) * | 2018-07-17 | 2019-05-03 | 惠州市红米电子有限公司 | A kind of Multifunctional cosmetic mirror |
| CN209881457U (en) * | 2019-06-27 | 2019-12-31 | 珠海市嘉德电能科技有限公司 | Wireless charging and discharging device |
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