CN111917197B - Positioning auxiliary device suitable for wireless charging system - Google Patents
Positioning auxiliary device suitable for wireless charging system Download PDFInfo
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- CN111917197B CN111917197B CN202010045957.3A CN202010045957A CN111917197B CN 111917197 B CN111917197 B CN 111917197B CN 202010045957 A CN202010045957 A CN 202010045957A CN 111917197 B CN111917197 B CN 111917197B
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- 239000003990 capacitor Substances 0.000 claims description 54
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- Computer Networks & Wireless Communication (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of wireless charging, in particular to a positioning auxiliary device suitable for a wireless charging system, which comprises a positioning auxiliary device body, wherein the positioning auxiliary device body comprises a positioning plate, a singlechip control module is arranged on the right side of the upper part of the surface of the positioning plate, and a rectifying module is arranged on the left side of the upper part of the surface of the positioning plate; the middle part of the surface of the positioning plate is provided with a receiving coil, at least three positioning coils are arranged in the receiving coil, four LED (light-emitting diode) prompting lamps are respectively arranged on the periphery of the outer end of the receiving coil, and the four LED prompting lamps are respectively a prompting lamp I, a prompting lamp II, a prompting lamp III and a prompting lamp IV; the first prompting lamp, the second prompting lamp and the third prompting lamp respectively correspond to the first positioning coil, the second positioning coil and the third positioning coil; the intelligent charging device has the advantages of convenience in use, convenience and rapidness in operation, and the accurate positioning of a charging area is realized by the fact that the prompting lamp corresponding to the positioning small coil is used as a guide and finally is controlled by the singlechip to be lighted.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a positioning auxiliary device suitable for a wireless charging system.
Background
With the rise of wireless charging in recent years, more and more mobile phone manufacturers start to add wireless charging functions to their mobile phones, and the concept of wireless charging has begun to move into our daily lives, the wireless charger of the standard Qi needs to place the power transmitting device on a desktop, and the power receiving device is attached to the wireless charger.
Remote (15 mm-30mm,30mm-50 mm) wireless chargers have appeared on the market. The use method of the remote charger is that the remote wireless charger is arranged under a desktop, and the electric energy receiving device only needs to be placed in a charging area of the electric energy transmitting device, but a series of new problems are caused: for example, when the electric power receiving area on the desktop is mounted, the electric power receiving area is deviated from the actual chargeable area (the mounting positioning is inaccurate), so that the charging efficiency is reduced, the electric power receiving area cannot be charged, even false alarm occurs. For conventional physical positioning methods, magnet positioning may be employed. For example, the positioning mode of the remote wireless charger of Shenzhen Yao Yuan technology Co., ltd is to use the method to attract two magnets above and below the desktop and then to carry out the subsequent installation.
However, in case that the tabletop is too thick, the method reveals the defects, and the positioning can be performed by adopting a method of increasing the magnetism by using a magnet, but the method also has the problems of inconvenient transportation, increased cost, unattractive appearance, possibility of injuring people and the like.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provide a positioning auxiliary device suitable for a wireless charging system.
The invention relates to a positioning auxiliary device suitable for a wireless charging system, which comprises a positioning auxiliary device body, wherein the positioning auxiliary device body comprises a positioning plate, a singlechip control module is arranged on the right side of the upper part of the surface of the positioning plate, and a rectifying module is arranged on the left side of the upper part of the surface of the positioning plate;
the middle part of the surface of the positioning plate is provided with a receiving coil, at least three positioning coils are arranged in the receiving coil, the three positioning coils are a positioning coil I, a positioning coil II and a positioning coil III respectively, and the positioning coil I, the positioning coil II and the positioning coil III are arranged in a delta shape; four LED indicator lamps are respectively arranged around the outer end of the receiving coil, and the four LED indicator lamps are respectively an indicator lamp I, an indicator lamp II, an indicator lamp III and an indicator lamp IV; the first prompting lamp, the second prompting lamp and the third prompting lamp respectively correspond to the first positioning coil, the second positioning coil and the third positioning coil; the prompting lamp IV is connected with the singlechip control module through a wire;
an LED display module is arranged at the right upper part of the outer side of the receiving coil; the singlechip control module is connected with the rectification module, the LED display module, the four LED prompt lamps, the receiving coil and the three positioning coils through wires respectively.
Further, the singlechip control module comprises a control circuit, the control circuit comprises a U1 chip, the 1 st pin of the U1 chip is connected with the VCC end, and the 2 nd pin to the 4 nd pin of the U1 chip are respectively connected with the L1 end, the Wake-up end and the VOUT_AD3 end; the capacitors C4 and C5 are connected in parallel to the 1 st pin and the VCC end of the U1 chip, and the other end of the capacitor C4 is grounded; the 5 th pin to the 8 th pin of the U1 chip are respectively connected with an L2 end, an VOUT_AD2 end, an VOUT_AD1 end and a GND end; the capacitor C6 is connected with the diode D13 in series, the other end of the diode D13 is connected with the VCC end, and the other end of the capacitor C6 is grounded; one end of a resistor R13 is connected with a capacitor C6, the other end of the resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with the capacitor C6, and the other end of the resistor R18 is connected with the Wake-up end; resistor R16 is connected in parallel between resistor R18 and capacitor C6.
Further, the LED display module comprises a display circuit, the display circuit comprises a resistor R23, a light emitting diode T1, a resistor R21 and a light emitting diode T3 which are connected in series, the other end of the light emitting diode T3 is connected with a VCC end, and the other end of the resistor R23 is grounded; the L1 end is connected with a lead between the light emitting diode T1 and the resistor R21 through the lead; the resistor R24, the light emitting diode TC, the resistor R22 and the light emitting diode T2 are connected in series, the other end of the light emitting diode T2 is connected with the VCC end, and the other end of the resistor R24 is grounded.
Further, the rectifying module comprises a rectifying circuit, the rectifying circuit comprises a P1 port, the P1 port is connected with a diode D7 in series, the other end of the diode D7 is connected with one end of a resistor R2, the resistor R2 is connected with a resistor R6 in series, and the other end of the resistor R6 is grounded; the diode D9 is connected with the capacitor C2 in series, the other end of the diode D9 is connected with the VCC end, and the other end of the capacitor C2 is grounded; the end VOUT_AD1 is respectively connected with one end of a resistor R2 and one end of a diode D9;
the P2 port is connected with a diode D10 in series, the other end of the diode D10 is connected with one end of a resistor R10, the resistor R10 is connected with a resistor R11 in series, and the other end of the resistor R11 is grounded; the diode D11 is connected with the capacitor C3 in series, the other end of the diode D11 is connected with the VCC end, and the other end of the capacitor C3 is grounded; the end VOUT_AD2 is respectively connected with one end of a resistor R10 and one end of a diode D11;
the P3 port is connected with a diode D12 in series, the other end of the diode D12 is connected with one end of a resistor R12, the resistor R12 is connected with a resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected in series with the capacitor C7, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the end VOUT_AD3 is respectively connected with one end of a resistor R12 and one end of a diode D14;
one end of the P4 port is connected with the LC end of the vehicle, the LC end is connected with the diode D6 in series, and the other end of the diode D6 is connected with one end of the diode D1 in parallel and is connected with the VOUT end; the other end of the diode D1 is connected with a Wake end, the Wake end is connected with a capacitor C1 in series, and the other end of the capacitor C1 is connected on a P4 port in parallel; the P5 port is connected with one end of the capacitor C1; one end of the diode D2 is connected with the Wake end in parallel, and the other end of the diode D2 is grounded; one end of the diode D8 is connected with the LC end in parallel, and the other end of the diode D8 is grounded; the diode D1 is connected with the resistor R1 in series, and the other end of the resistor R1 is connected with the VCC end phase in parallel; the resistor R3 is connected with the zener diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the zener diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected with the resistor R1 in parallel, and the other end of the filter capacitor PC1 is grounded.
Further, the U1 chip is a singlechip with the model of PMS 132B-S08.
Further, the two ends of the positioning plate are circular plate-shaped, and a runway-shaped plate body is formed.
Further, the circle centers of the first positioning coil, the second positioning coil and the third positioning coil are connected with each other to form a regular triangle structure, and the three circle centers are three vertexes of the regular triangle.
After the structure is adopted, the invention has the beneficial effects that: the invention relates to a positioning auxiliary device suitable for a wireless charging system, which utilizes a coil to generate induced current under a changed magnetic field, utilizes a singlechip to perform a mode of positioning a wireless charging product by adopting a control display part, uses a large receiving coil to receive electric energy to supply power for the singlechip, and at least sets three small positioning coils in the receiving coil to perform positioning and is assisted by using an LED lamp as a prompting lamp; the intelligent charging device has the advantages of convenience in use, convenience and rapidness in operation, and the accurate positioning of a charging area is realized by the fact that the prompting lamp corresponding to the positioning small coil is used as a guide and finally is controlled by the singlechip to be lighted.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the invention, if necessary:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a control circuit in the present invention;
FIG. 3 is a schematic diagram of a display circuit according to the present invention;
FIG. 4 is a schematic diagram of a portion of a rectifying circuit according to the present invention;
FIG. 5 is a schematic diagram of a portion of a rectifying circuit according to the present invention;
FIG. 6 is a partial schematic diagram of a rectifying circuit in the present invention;
fig. 7 is a partial four schematic diagram of a rectifying circuit in the present invention.
[ detailed description ] of the invention
The present invention will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and the description are for the purpose of illustrating the invention only and are not to be construed as limiting the invention.
As shown in fig. 1, the positioning auxiliary device for a wireless charging system according to the present embodiment includes a positioning auxiliary device body, where the positioning auxiliary device body includes a positioning plate, a singlechip control module is disposed on the right side of the upper surface of the positioning plate, and a rectifying module is disposed on the left side of the upper surface of the positioning plate;
the middle part of the surface of the positioning plate is provided with a receiving coil, at least three positioning coils are arranged in the receiving coil, the three positioning coils are a positioning coil I, a positioning coil II and a positioning coil III respectively, and the positioning coil I, the positioning coil II and the positioning coil III are arranged in a delta shape; four LED indicator lamps are respectively arranged around the outer end of the receiving coil, and the four LED indicator lamps are respectively an indicator lamp I, an indicator lamp II, an indicator lamp III and an indicator lamp IV; the first prompting lamp, the second prompting lamp and the third prompting lamp respectively correspond to the first positioning coil, the second positioning coil and the third positioning coil; the prompting lamp IV is connected with the singlechip control module through a wire;
an LED display module is arranged at the right upper part of the outer side of the receiving coil; the singlechip control module is connected with the rectification module, the LED display module, the four LED prompt lamps, the receiving coil and the three positioning coils through wires respectively.
Further, as shown in fig. 2, the single chip microcomputer control module comprises a control circuit, the control circuit comprises a U1 chip, the 1 st pin of the U1 chip is connected with a VCC end, and the 2 nd-4 nd pins of the U1 chip are respectively connected with an L1 end, a Wake-up end and a vout_ad3 end; the capacitors C4 and C5 are connected in parallel to the 1 st pin and the VCC end of the U1 chip, and the other end of the capacitor C4 is grounded; the 5 th pin to the 8 th pin of the U1 chip are respectively connected with an L2 end, an VOUT_AD2 end, an VOUT_AD1 end and a GND end; the capacitor C6 is connected with the diode D13 in series, the other end of the diode D13 is connected with the VCC end, and the other end of the capacitor C6 is grounded; one end of a resistor R13 is connected with a capacitor C6, the other end of the resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with the capacitor C6, and the other end of the resistor R18 is connected with the Wake-up end; resistor R16 is connected in parallel between resistor R18 and capacitor C6.
Further, as shown in fig. 3, the LED display module includes a display circuit, where the display circuit includes a resistor R23, a light emitting diode T1, a resistor R21, and a light emitting diode T3 connected in series, the other end of the light emitting diode T3 is connected to a VCC terminal, and the other end of the resistor R23 is grounded; the L1 end is connected with a lead between the light emitting diode T1 and the resistor R21 through the lead; the resistor R24, the light emitting diode TC, the resistor R22 and the light emitting diode T2 are connected in series, the other end of the light emitting diode T2 is connected with the VCC end, and the other end of the resistor R24 is grounded.
Further, as shown in fig. 4 to fig. 7, the rectifying module includes a rectifying circuit, where the rectifying circuit includes a P1 port, the P1 port is connected in series with a diode D7, the other end of the diode D7 is connected to one end of a resistor R2, the resistor R2 is connected in series with a resistor R6, and the other end of the resistor R6 is grounded; the diode D9 is connected with the capacitor C2 in series, the other end of the diode D9 is connected with the VCC end, and the other end of the capacitor C2 is grounded; the end VOUT_AD1 is respectively connected with one end of a resistor R2 and one end of a diode D9;
the P2 port is connected with a diode D10 in series, the other end of the diode D10 is connected with one end of a resistor R10, the resistor R10 is connected with a resistor R11 in series, and the other end of the resistor R11 is grounded; the diode D11 is connected with the capacitor C3 in series, the other end of the diode D11 is connected with the VCC end, and the other end of the capacitor C3 is grounded; the end VOUT_AD2 is respectively connected with one end of a resistor R10 and one end of a diode D11;
the P3 port is connected with a diode D12 in series, the other end of the diode D12 is connected with one end of a resistor R12, the resistor R12 is connected with a resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected in series with the capacitor C7, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the end VOUT_AD3 is respectively connected with one end of a resistor R12 and one end of a diode D14;
one end of the P4 port is connected with the LC end of the vehicle, the LC end is connected with the diode D6 in series, and the other end of the diode D6 is connected with one end of the diode D1 in parallel and is connected with the VOUT end; the method comprises the steps of carrying out a first treatment on the surface of the The other end of the diode D1 is connected with a Wake end, the Wake end is connected with a capacitor C1 in series, and the other end of the capacitor C1 is connected on a P4 port in parallel; the P5 port is connected with one end of the capacitor C1; one end of the diode D2 is connected with the Wake end in parallel, and the other end of the diode D2 is grounded; one end of the diode D8 is connected with the LC end in parallel, and the other end of the diode D8 is grounded; the diode D1 is connected with the resistor R1 in series, and the other end of the resistor R1 is connected with the VCC end phase in parallel; the resistor R3 is connected with the zener diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the zener diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected with the resistor R1 in parallel, and the other end of the filter capacitor PC1 is grounded.
Further, the U1 chip is a singlechip with the model of PMS 132B-S08.
Further, the two ends of the positioning plate are circular plate-shaped, and a runway-shaped plate body is formed.
Further, the circle centers of the first positioning coil, the second positioning coil and the third positioning coil are connected with each other to form a regular triangle structure, and the three circle centers are three vertexes of the regular triangle.
Further, the distances from the circle center of the receiving coil to the circle centers of the first positioning coil, the second positioning coil and the third positioning coil are equal.
The working principle of the invention is as follows:
in the design, a singlechip control module is arranged on the right side of the upper part of the surface of a positioning plate, and a rectifying module is arranged on the left side of the upper part of the surface of the positioning plate; the middle part of the surface of the positioning plate is provided with a receiving coil, at least three positioning coils are arranged in the receiving coil, and the three positioning coils are a positioning coil I, a positioning coil II and a positioning coil III respectively; the upper right part of the outer side of the receiving coil is provided with an LED display module;
the singlechip control module, the LED display module and the rectification module realize control, guide and accurate positioning through the control circuit, the display circuit and the rectification circuit respectively. Wherein: three pins Vout_AD1, vout_AD2 and Vout_AD3 of the singlechip control module are used as sampling channels; the P1 end, the P2 end and the P3 end are connected with a positioning coil; the P4 end and the P5 end are connected with a large power supply coil (receiving coil); t1, T2, T3 and TC are four LED display lamps; three indicator lights (indicator light one, indicator light two and indicator light three) corresponding to the three positioning coils are T1, T2 and T3; when the large receiving coil generates induced electromotive force in the changed magnetic field, the large receiving coil supplies power to the singlechip after passing through the rectifying circuit; the three positioning coils also transmit the generated electric energy to three pins Vout_AD1, vout_AD2 and Vout_AD3 as sampling voltages after rectification.
In this design, utilize electromagnetic induction principle, wireless electric energy transmitting terminal produces the magnetic field that changes, when positioner on the desktop is close to this magnetic field that changes, and the magnetic field that changes passes through positioner's receiving coil and can produce induced electromotive force, and the magnetic flux that passes receiving coil is bigger, and the induced electromotive force that produces also can be bigger, and control part uses the singlechip to sample receiving coil's voltage then drive LED lamp and shows.
The receiving coils can be divided into four, one large coil is used for generating electric energy to supply power to the control part, when the large coil is close to the wireless charging area, induced electromotive force is generated, the large coil is rectified by the rectifying circuit to supply power to the singlechip, and the other three small coils are used for realizing positioning. When the device is close to a wireless charging area, the three small coils can generate induced voltage under the action of electromagnetic induction, and the display part of the LED lamps is controlled by sampling the voltage of each positioning coil under the control of the singlechip.
The singlechip controls the LED (1/2/3) lamp corresponding to one positioning coil (1/2/3) with the smallest sampling voltage (indicating the smallest magnetic field intensity passing through the positioning coil) to be lighted by comparing the adopted voltage of each coil, at the moment, a user can move the positioning plate towards the lighting direction of the LED lamp, the operation is repeated, when the magnetic field intensities passing through the 3 positioning coils are approximately the same, the singlechip detects that the sampling voltages of the 3 positioning coils are in the error allowable range, and the singlechip controls the LED4 independent of the 3 positioning coils to be lighted, at the moment, the device is aligned with the charging area of the wireless charger.
In the invention, a large receiving coil receives electric energy to supply power for a singlechip, and three small coils are positioned; of course, a battery can be used for supplying power to the singlechip, and the positioning coils can be N connecting lines between the centers of the N positioning coils to form a regular polygon; each coil corresponds to one display module and corresponds to one LED indicator lamp.
The coils in the design can be manufactured by using single-strand, multi-strand enameled wires, multi-strand litz wire, PCB or FPC (flexible circuit board) and other form manufacturing processes.
The comparison of the positioning mechanism of the invention and the magnet positioning mechanism in the background technology has the following advantages:
(1) Compared with the traditional magnet positioning, the scheme is safer and the positioning distance is farther.
(2) The remote wireless charger is more convenient to install, and the accurate degree of positioning can be more intuitively seen through the display part during positioning.
The invention relates to a positioning auxiliary device suitable for a wireless charging system, which utilizes a coil to generate induced current under a changed magnetic field, utilizes a singlechip to perform a mode of positioning a wireless charging product by adopting a control display part, uses a large receiving coil to receive electric energy to supply power for the singlechip, and at least sets three positioning coils in the receiving coil to perform positioning and assists an LED lamp as a prompting lamp; the intelligent charging device has the advantages of convenience in use, convenience and rapidness in operation, and the accurate positioning of a charging area is realized by the fact that the prompting lamp corresponding to the positioning coil is used as a guide and finally is controlled by the singlechip to be lighted.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are therefore intended to be embraced therein.
Claims (5)
1. Positioning auxiliary device suitable for wireless charging system, its characterized in that: the positioning auxiliary device comprises a positioning auxiliary device body, wherein the positioning auxiliary device body comprises a positioning plate, a singlechip control module is arranged on the right side of the upper part of the surface of the positioning plate, and a rectifying module is arranged on the left side of the upper part of the surface of the positioning plate; the middle part of the surface of the positioning plate is provided with a receiving coil, at least three positioning coils are arranged in the receiving coil, the three positioning coils are a positioning coil I, a positioning coil II and a positioning coil III respectively, and the positioning coil I, the positioning coil II and the positioning coil III are arranged in a delta shape; four LED indicator lamps are respectively arranged around the outer end of the receiving coil, and the four LED indicator lamps are respectively an indicator lamp I, an indicator lamp II, an indicator lamp III and an indicator lamp IV; the first prompting lamp, the second prompting lamp and the third prompting lamp respectively correspond to the first positioning coil, the second positioning coil and the third positioning coil; the prompting lamp IV is connected with the singlechip control module through a wire; an LED display module is arranged at the right upper part of the outer side of the receiving coil; the singlechip control module is connected with the rectification module, the LED display module, the four LED prompting lamps, the receiving coil and the three positioning coils through wires respectively;
the single chip microcomputer control module comprises a control circuit, wherein the control circuit comprises a U1 chip, the 1 st pin of the U1 chip is connected with a VCC end, and the 2 nd pin to 4 nd pin of the U1 chip are respectively connected with an L1 end, a Wake-up end and a VOUT_AD3 end; the capacitors C4 and C5 are connected in parallel to the 1 st pin and the VCC end of the U1 chip, and the other end of the capacitor C4 is grounded; the 5 th pin to the 8 th pin of the U1 chip are respectively connected with an L2 end, an VOUT_AD2 end, an VOUT_AD1 end and a GND end; the capacitor C6 is connected with the diode D13 in series, the other end of the diode D13 is connected with the VCC end, and the other end of the capacitor C6 is grounded; one end of a resistor R13 is connected with a capacitor C6, the other end of the resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with the capacitor C6, and the other end of the resistor R18 is connected with the Wake-up end; the resistor R16 is connected in parallel between the resistor R18 and the capacitor C6;
the rectification module comprises a rectification circuit, the rectification circuit comprises a P1 port, the P1 port is connected with a diode D7 in series, the other end of the diode D7 is connected with one end of a resistor R2, the resistor R2 is connected with a resistor R6 in series, and the other end of the resistor R6 is grounded; the diode D9 is connected with the capacitor C2 in series, the other end of the diode D9 is connected with the VCC end, and the other end of the capacitor C2 is grounded; the end VOUT_AD1 is respectively connected with one end of a resistor R2 and one end of a diode D9;
the P2 port is connected with a diode D10 in series, the other end of the diode D10 is connected with one end of a resistor R10, the resistor R10 is connected with a resistor R11 in series, and the other end of the resistor R11 is grounded; the diode D11 is connected with the capacitor C3 in series, the other end of the diode D11 is connected with the VCC end, and the other end of the capacitor C3 is grounded; the end VOUT_AD2 is respectively connected with one end of a resistor R10 and one end of a diode D11;
the P3 port is connected with a diode D12 in series, the other end of the diode D12 is connected with one end of a resistor R12, the resistor R12 is connected with a resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected in series with the capacitor C7, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the end VOUT_AD3 is respectively connected with one end of a resistor R12 and one end of a diode D14;
one end of the P4 port is connected with the LC end of the vehicle, the LC end is connected with the diode D6 in series, and the other end of the diode D6 is connected with one end of the diode D1 in parallel and is connected with the VOUT end; the other end of the diode D1 is connected with a Wake end, the Wake end is connected with a capacitor C1 in series, and the other end of the capacitor C1 is connected on a P4 port in parallel; the P5 port is connected with one end of the capacitor C1; one end of the diode D2 is connected with the Wake end in parallel, and the other end of the diode D2 is grounded; one end of the diode D8 is connected with the LC end in parallel, and the other end of the diode D8 is grounded; the diode D1 is connected with the resistor R1 in series, and the other end of the resistor R1 is connected with the VCC end phase in parallel; the resistor R3 is connected with the zener diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the zener diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected with the resistor R1 in parallel, and the other end of the filter capacitor PC1 is grounded.
2. A positioning assistance apparatus for a wireless charging system according to claim 1 wherein: the LED display module comprises a display circuit, wherein the display circuit comprises a resistor R23, a light emitting diode T1, a resistor R21 and a light emitting diode T3 which are connected in series, the other end of the light emitting diode T3 is connected with a VCC end, and the other end of the resistor R23 is grounded; the L1 end is connected with a lead between the light emitting diode T1 and the resistor R21 through the lead; the resistor R24, the light emitting diode TC, the resistor R22 and the light emitting diode T2 are connected in series, the other end of the light emitting diode T2 is connected with the VCC end, and the other end of the resistor R24 is grounded.
3. A positioning assistance apparatus for a wireless charging system according to claim 1 wherein: the U1 chip is a singlechip with the model of PMS 132B-S08.
4. A positioning assistance apparatus for a wireless charging system according to claim 1 wherein: the two ends of the positioning plate are circular plate-shaped to form a runway-shaped plate body.
5. A positioning assistance apparatus for a wireless charging system according to claim 1 wherein: the circle centers of the first positioning coil, the second positioning coil and the third positioning coil are connected with each other to form a regular triangle structure, and the three circle centers are three vertexes of the regular triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045957.3A CN111917197B (en) | 2020-01-16 | 2020-01-16 | Positioning auxiliary device suitable for wireless charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045957.3A CN111917197B (en) | 2020-01-16 | 2020-01-16 | Positioning auxiliary device suitable for wireless charging system |
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| Publication Number | Publication Date |
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| CN111917197A CN111917197A (en) | 2020-11-10 |
| CN111917197B true CN111917197B (en) | 2024-01-16 |
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| CN202010045957.3A Active CN111917197B (en) | 2020-01-16 | 2020-01-16 | Positioning auxiliary device suitable for wireless charging system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383317A (en) * | 2014-08-25 | 2016-03-09 | 福特全球技术公司 | Self-locating multi-coil system for wireless vehicle charging |
| US9729003B1 (en) * | 2016-12-21 | 2017-08-08 | C-Corp International Co., Limited | Wireless charging device and method thereof |
| CN107979191A (en) * | 2016-10-25 | 2018-05-01 | 中兴通讯股份有限公司 | The dorsal shield of mobile terminal, the localization method and device of wireless charging process |
| CN207442545U (en) * | 2017-11-27 | 2018-06-01 | 浙江万安亿创电子科技有限公司 | A kind of alignment guidance device and the induction charging system that alignment guidance can be carried out |
| CN207496493U (en) * | 2017-11-27 | 2018-06-15 | 浙江万安亿创电子科技有限公司 | For the vehicle alignment guide of wireless charging system for electric automobile |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383317A (en) * | 2014-08-25 | 2016-03-09 | 福特全球技术公司 | Self-locating multi-coil system for wireless vehicle charging |
| CN107979191A (en) * | 2016-10-25 | 2018-05-01 | 中兴通讯股份有限公司 | The dorsal shield of mobile terminal, the localization method and device of wireless charging process |
| US9729003B1 (en) * | 2016-12-21 | 2017-08-08 | C-Corp International Co., Limited | Wireless charging device and method thereof |
| CN207442545U (en) * | 2017-11-27 | 2018-06-01 | 浙江万安亿创电子科技有限公司 | A kind of alignment guidance device and the induction charging system that alignment guidance can be carried out |
| CN207496493U (en) * | 2017-11-27 | 2018-06-15 | 浙江万安亿创电子科技有限公司 | For the vehicle alignment guide of wireless charging system for electric automobile |
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| CN111917197A (en) | 2020-11-10 |
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