CN109462286A - A kind of wireless charger automatically correcting charge position - Google Patents
A kind of wireless charger automatically correcting charge position Download PDFInfo
- Publication number
- CN109462286A CN109462286A CN201811158441.9A CN201811158441A CN109462286A CN 109462286 A CN109462286 A CN 109462286A CN 201811158441 A CN201811158441 A CN 201811158441A CN 109462286 A CN109462286 A CN 109462286A
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- China
- Prior art keywords
- charging
- motor
- module
- coil
- wireless
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 5
- 230000006698 induction Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- H02J7/025—
Abstract
The present invention provides a kind of wireless chargers for automatically correcting charge position, including wireless charging panel, and the charge coil, the pallet for placing charge coil, the first motor for driving pallet mobile and the first control circuit for driving first motor operating that are set in wireless charging panel；First control circuit includes coil current acquisition module, coil current comparison module, first motor drive module；First motor drive module drives first motor rotation, to drive pallet to drive charge coil mobile, the current charging current of coil current acquisition module acquisition charge coil, and it is sent to coil current comparison module and was compared with the charging current of a upper acquisition time, if charging current increases, first motor drive module driving first motor drives charge coil to continue to move to along when front direction；If charging current reduces, first motor drive module driving first motor drives charge coil to move along the opposite direction when front direction.
Description
Technical field
The present invention relates to wireless charging more particularly to wireless chargers.
Background technique
The bracket extension and contraction control of wireless vehicle mounted charger on the market is infrared induction and gravity, infrared induction mode at present
It can be appreciated that apparent window in appearance；And the mode of gravity sensing has a pallet in charger bottom；At present on the market
Wireless vehicle mounted charger does not have Automatic-searching optimal charge position functions, and various sizes of wireless charging mobile phone is possible to
It cannot charge normal or charge efficiency is low.
Summary of the invention
The main technical problem to be solved by the present invention is to provide a kind of wireless charger for automatically correcting charge position, energy
Shorten the charging time so that charging current maximizes in enough Automatic-searching optimal charge positions.
In order to solve the above technical problems, the present invention provides a kind of wireless charger for automatically correcting charge position,
Including wireless charging panel, and be set in the wireless charging panel charge coil, for placing the charge coil
Pallet, the first motor for driving the pallet mobile and the driving first motor operating first control circuit；
The first control circuit includes coil current acquisition module, coil current comparison module, first motor driving mould
Block；The first motor drive module driving first motor rotation, so that pallet is driven to drive charge coil mobile, the coil
Current acquisition module acquires the current charging current of charge coil, and is sent to coil current comparison module and when a upper acquisition
Between the charging current put be compared, if charging current increases, first motor drive module drives first motor to drive charging
Coil is continued to move to along when front direction；If charging current reduces, the driving first motor drive of first motor drive module is filled
Electric coil is moved along the opposite direction when front direction.
In a preferred embodiment: the first motor driving pallet is moved along the length direction of wireless charging panel.
In a preferred embodiment: further including an equipment clamping device and for driving the equipment clamping device work
The second motor made and the second control circuit for driving second motor to operate.
In a preferred embodiment: the clamping device is divided into two clamp arm, second motor driven, two clamp arm edges
The close to each other or direction that is located remotely from each other it is mobile.
In a preferred embodiment: the second control circuit includes trigger module and the second motor drive module, when filling
When electric equipment is close to the wireless charging panel, the trigger module sends the first trigger signal to the second motor drive module and drives
Dynamic second motor rotation, so that described two clamp arm are moved to range along the direction being located remotely from each other.
In a preferred embodiment: when user takes charging equipment, the trigger module sends the second trigger signal extremely
Second motor drive module drives the rotation of the second motor, so that described two clamp arm are moved to maximum along the direction being located remotely from each other
Stroke；
In a preferred embodiment: soft when described two clamp arm are moved to range along the direction being located remotely from each other
Whether part judges automatically has charging equipment, if there is charging equipment, the second motor drive module drives the rotation of the second motor opposite direction,
So that described two clamp arm, which are moved to two clamp arm along direction close to each other, clamps charging；If postponing without charging equipment
The second motor drive module drives the rotation of the second motor opposite direction after a certain period of time, so that described two clamp arm are along close to each other
Direction be moved to minimum stroke.
In a preferred embodiment: the trigger module is a pole of charging capacitor；One pole of the charging capacitor is arranged
In the front of the wireless charging panel；
When charging equipment is close to the wireless charging panel, a pole of charging equipment and charging capacitor forms spatial distribution
Capacitor, capacitance increases as the distance between charging equipment and wireless charging panel increase, when capacitance reaches setting value,
The trigger module issues the first trigger signal.
In a preferred embodiment: a pole of the charging capacitor be additionally arranged at the wireless charging panel along width
Two sides in direction；
When user takes electric equipment with hand, a pole of hand and charging capacitor forms spatial distribution capacitor, capacitance with
The distance between charging equipment and wireless charging panel increase and increase, when capacitance reaches setting value, the trigger module hair
Second trigger signal out.
In a preferred embodiment: wireless charging panel is arranged in along the two sides of width direction in the clamp arm.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
A kind of wireless charger automatically correcting charge position provided by the invention, non-touch short distance capacitive sensing are same
The wireless charger that wireless coil Automatic-searching optimal charge position combines can accomplish concealed induction and match different rulers
Very little wireless charging mobile phone, while wireless charging efficiency is more high-efficient than common wireless charger.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the preferred embodiment of the present invention；
Fig. 2 is the assembling stereogram of the preferred embodiment of the present invention；
Fig. 3 is the principle modules figure of control circuit in the preferred embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments；But the present invention is not limited to the embodiment.
With reference to Fig. 1-3, a kind of wireless charger for automatically correcting charge position, including wireless charging are present embodiments provided
Panel 1, and be set in the wireless charging panel 1 charge coil 2, the pallet 3 for placing the charge coil 2,
The first control circuit that first motor 4 and the driving first motor 4 for driving the pallet 3 mobile operate；
The first control circuit includes coil current acquisition module, coil current comparison module, first motor driving mould
Block；The first motor drive module driving first motor 4 rotates, so that pallet 3 is driven to drive charge coil 2 mobile, it is described
Coil current acquisition module acquires the current charging current of charge coil 2, and is sent to coil current comparison module and upper one
The charging current of acquisition time is compared, if charging current increases, first motor drive module drives 4 band of first motor
Dynamic charge coil 2 is continued to move to along when front direction；If charging current reduces, first motor drive module drives first motor
4 drive charge coils 2 are moved along the opposite direction when front direction.
The specific course of work are as follows:
1) the current charging current A1 of coil current acquisition module acquisition charge coil 2, and compared with a preset value A0
Compared with judging that charging equipment is currently located in non-charged area, enter step 2 if A1 < A0；Charging equipment is judged if A1 > A0
It is currently located in charged area, enters step 3；
2) first motor drive module driving first motor 4 rotates forward, and drives charge coil 2 to be moved to after the end and drives the again
The reversion of one motor 4 drives charge coil 2 mobile；When first motor 4, which inverts, drives charge coil 2 mobile, coil current acquisition
Module sentences single charging equipment and is currently located in charged area every the charging current A1 of 100ms acquisition charge coil 2 as A1 > A0
In；
3) first motor drive module driving first motor 4 rotates forward, and drives charge coil 2 mobile, coil current acquires mould
Block acquires the charging current A1 of charge coil 2 every 100ms, and is compared with the charging current of a upper acquisition time；
If charging current is increase state, judge that 2 moving direction of charge coil is correct, first motor 4 continues to rotate forward, until charging cable
The charging current of circle 2 reaches maximum value；If charging current is reduction state, 2 moving direction mistake of charge coil is judged, first
Motor 4 inverts, and charge coil 2 is driven to move backward, until the charging current of charge coil 2 reaches maximum value.
In the present embodiment, the first motor 4 drives pallet 3 to move along the length direction of wireless charging panel 1.
In the present embodiment, this wireless charger is onboard wireless charger, and in order to fixed charging equipment, this is vehicle-mounted
Wireless charger further includes an equipment clamping device 5 and the second motor 6 for driving the equipment clamping device 5 to work
With the second control circuit for driving second motor 6 to operate.
The clamping device is divided into two clamp arm, and wireless charging panel 1 is arranged in along the two of width direction in the clamp arm
Side.Second motor 6 drives two clamp arm to move along direction that is close to each other or being located remotely from each other.The second control circuit
Including 6 drive module of trigger module and the second motor, when charging equipment is close to the wireless charging panel 1, the trigger mode
Block sends 6 drive module of the first trigger signal to the second motor and drives the rotation of the second motor 6, so that described two clamp arm are along phase
Mutually separate direction is moved to range；Whether software judges automatically at this time has charging equipment, has charging equipment clamp arm direct
Closure is closed automatically after being delayed 3 minutes without charging equipment clamp arm, and 6 drive module of the second motor drives the second motor 6 when closure
Opposite direction rotation, so that described two clamp arm, which are moved to two clamp arm along direction close to each other, clamps charging equipment or shifting
It moves to minimum stroke.
When user takes charging equipment, the trigger module sends 6 drive module of the second trigger signal to the second motor
The second motor 6 is driven to rotate, so that described two clamp arm are moved to range along the direction being located remotely from each other；At this time software from
It is dynamic to judge whether there is charging equipment, there is charging equipment clamp arm to be directly closed, no charging equipment clamp arm is closed automatically after being delayed 3 minutes
It closes, 6 drive module of the second motor driving, 6 opposite direction of the second motor rotation when closure, so that described two clamp arm are along mutually leaning on
Close direction is moved to minimum stroke.
Judge whether there is charging equipment dependence is to have charging equipment to be directly closed by capacitive sensing, then without equipment
Timing closing.In actual use, first chucking device can be allowed to open, equipment is placed into certain time, software judgement has charging
It is directly closed when equipment；It is automatic to be closed when not operating for a long time.This control mode can be convenient charging equipment pick-and-place.In order to
Realize the accurate triggering of above two trigger condition, the trigger module is a pole of charging capacitor；The one of the charging capacitor
The front of the wireless charging panel 1 is arranged in pole；
When charging equipment is close to the wireless charging panel 1, a pole of charging equipment and charging capacitor forms space point
Cloth capacitor, capacitance increases as the distance between charging equipment and wireless charging panel 1 increase, when capacitance reaches setting value
When, the trigger module issues the first trigger signal.
One pole of the charging capacitor is additionally arranged at two sides along width direction of the wireless charging panel 1；
When user takes electric equipment with hand, a pole of hand and charging capacitor forms spatial distribution capacitor, capacitance with
The distance between charging equipment and wireless charging panel 1 increase and increase, when capacitance reaches setting value, the trigger module hair
Second trigger signal out.Maloperation in order to prevent is manually placed at mobile phone side after a certain period of time as user, trigger module just meeting
The second trigger signal is triggered, this time is preferably 2s.
In the present embodiment, coil current comparison module, second control circuit and first motor drive module are in Fig. 3
MCU2.The principle of spatial distribution capacitor are as follows: voltage difference if it exists between any two mutually insulated conductors adds space itself
Just there is the presence of medium, distribution capacity, capacitor can be formed in space when so that two conductors are close to certain distance
Capacitance size by between the right opposite relative areas of two conductors, two conductors distance and space medium determine.
Therefore, the pole of copper foil, spring or the metal foil of specific shape as capacitor, the other end are set on circuit boards
It is served as by the hand or charging equipment of user；Due to the area of copper foil, spring or metal foil be it is fixed, medium is exactly air
It is also determining.Therefore capacitance is just determined by the distance between two conductors, and distance increases capacitance and increases.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this,
Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non-
Substantive change belongs to the behavior for invading the scope of the present invention.
Claims (10)
1. a kind of wireless charger for automatically correcting charge position, it is characterised in that including wireless charging panel, and be set to
Charge coil in the wireless charging panel, the pallet for placing the charge coil, for driving the pallet mobile
First motor and drive the first control circuit of first motor operating；
The first control circuit includes coil current acquisition module, coil current comparison module, first motor drive module；Institute
The driving first motor rotation of first motor drive module is stated, so that pallet is driven to drive charge coil mobile, the coil current
Acquisition module acquires the current charging current of charge coil, and is sent to coil current comparison module and a upper acquisition time
Charging current be compared, if charging current increase, first motor drive module drive first motor drive charge coil
It is continued to move to along when front direction；If charging current reduces, first motor drive module drives first motor to drive charging cable
Circle is moved along the opposite direction when front direction；Until charge coil is parked in maximum charging current position.
2. a kind of wireless charger for automatically correcting charge position according to claim 1, it is characterised in that: described first
Motor driven pallet is moved along the length direction of wireless charging panel.
3. a kind of wireless charger for automatically correcting charge position according to claim 1 or 2, it is characterised in that: also wrap
Include an equipment clamping device and the second motor and driving second motor for driving the equipment clamping device work
The second control circuit of operating.
4. a kind of wireless charger for automatically correcting charge position according to claim 3, it is characterised in that: the clamping
Device is divided into two clamp arm, and second motor driven, two clamp arm are moved along direction that is close to each other or being located remotely from each other.
5. a kind of wireless charger for automatically correcting charge position according to claim 4, it is characterised in that: described second
Control circuit includes trigger module and the second motor drive module, described when charging equipment is close to the wireless charging panel
Trigger module sends the first trigger signal to the second motor drive module and drives the rotation of the second motor, so that described two clamp arm edges
The direction that is located remotely from each other be moved to range.
6. a kind of wireless charger for automatically correcting charge position according to claim 5, it is characterised in that: when user takes
When taking charging equipment, the trigger module sends the second trigger signal to the second motor drive module and drives the rotation of the second motor,
So that described two clamp arm are moved to range along the direction being located remotely from each other.
7. a kind of wireless charger for automatically correcting charge position according to claim 5 or 6, it is characterised in that: work as institute
When stating two clamp arm and being moved to range along the direction being located remotely from each other, whether software judges automatically has charging equipment, if having
Charging equipment, the second motor drive module drives the rotation of the second motor opposite direction, so that described two clamp arm are along close to each other
Direction be moved to two clamp arm and clamp charging；If postponing the second motor drive module drive after a certain period of time without charging equipment
Dynamic second motor opposite direction rotation, so that described two clamp arm are moved to minimum stroke along direction close to each other.
8. a kind of wireless charger for automatically correcting charge position, feature according to any one of claim 4-6 exist
In: the trigger module is a pole of charging capacitor；The wireless charging panel is being arranged in just in one pole of the charging capacitor
Face；
When charging equipment is close to the wireless charging panel, a pole of charging equipment and charging capacitor forms spatial distribution electricity
To hold, capacitance increases as the distance between charging equipment and wireless charging panel increase, when capacitance reaches setting value, institute
It states trigger module and issues the first trigger signal.
9. a kind of wireless charger for automatically correcting charge position according to any one of claim 8, it is characterised in that:
One pole of the charging capacitor is additionally arranged at two sides along width direction of the wireless charging panel；
When user takes electric equipment with hand, a pole of hand and charging capacitor forms spatial distribution capacitor, and capacitance is with charging
The distance between equipment and wireless charging panel increase and increase, when capacitance reaches setting value, trigger module sending the
Two trigger signals.
10. a kind of wireless charger for automatically correcting charge position according to claim 9, it is characterised in that: the folder
Wireless charging panel is arranged in along the two sides of width direction in arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158441.9A CN109462286A (en) | 2018-09-30 | 2018-09-30 | A kind of wireless charger automatically correcting charge position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811158441.9A CN109462286A (en) | 2018-09-30 | 2018-09-30 | A kind of wireless charger automatically correcting charge position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109462286A true CN109462286A (en) | 2019-03-12 |
Family
ID=65607226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811158441.9A Pending CN109462286A (en) | 2018-09-30 | 2018-09-30 | A kind of wireless charger automatically correcting charge position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462286A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3809559A1 (en) * | 2019-10-14 | 2021-04-21 | Yi Sheng Lin | Method for generating wireless charging alignment line on a mobile phone |
| CN112886723A (en) * | 2021-01-25 | 2021-06-01 | 深圳市威尔丽斯科技有限公司 | Wireless charger capable of automatically positioning charging and implementation method |
| CN116613866A (en) * | 2023-07-20 | 2023-08-18 | 深圳市美仕奇科技有限公司 | Wireless charging method and charging equipment compatible with mobile phones of different sizes |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |
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| RJ01 | Rejection of invention patent application after publication |