CN111917197A - Positioning auxiliary device suitable for wireless charging system - Google Patents
Positioning auxiliary device suitable for wireless charging system Download PDFInfo
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- CN111917197A CN111917197A CN202010045957.3A CN202010045957A CN111917197A CN 111917197 A CN111917197 A CN 111917197A CN 202010045957 A CN202010045957 A CN 202010045957A CN 111917197 A CN111917197 A CN 111917197A
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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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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 single-chip microcomputer 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; a receiving coil is arranged in the middle of the surface of the positioning plate, at least three positioning coils are arranged in the receiving coil, four LED 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 first prompting lamp, a second prompting lamp, a third prompting lamp and a fourth prompting lamp; the first prompt lamp, the second prompt lamp and the third prompt lamp respectively correspond to the first positioning coil, the second positioning coil and the third positioning coil; the intelligent charging device has the advantages that the use is convenient, the operation is convenient and fast, the prompting lamp controlled by the single chip microcomputer finally lights up through the guiding of the prompting lamp corresponding to the small positioning coil, and the accurate positioning of a charging area is realized.
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 begin to add wireless charging functions to their mobile phones, and the concept of wireless charging has begun to go into our daily life, and the wireless charger of standard Qi needs to place the power transmitting device on a table, and the power receiving equipment is tightly attached to the wireless charger.
Remote (15 mm-30mm,30mm-50 mm) wireless chargers have appeared on the market today. The use method of the remote charger is to install the remote wireless charger under a desktop, and the power receiving device only needs to be placed in the charging area of the power transmitting device, but a new series of problems are caused by the fact that: for example, when the device is installed, the power receiving area on the desktop is deviated from the actual chargeable area (the installation location is inaccurate), which causes the situations of reduced charging efficiency, incapability of charging, even false alarm, and the like. For conventional physical positioning methods, magnet positioning may be used. For example, the positioning method of the remote wireless charger of yaoyuan technology ltd, shenzhen is that two magnets are used to attract the charger from the upper part and the lower part of the desktop, and then the charger is mounted later.
However, in case of too thick table top, the method has disadvantages that the positioning can be performed by increasing the magnet to enhance the magnetic property, but the transportation is inconvenient, the cost is increased, the appearance is not beautiful, and people may be injured.
Disclosure of Invention
The present invention is directed to a positioning assistance device for a wireless charging system, which overcomes the drawbacks and disadvantages of the related art.
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 single-chip microcomputer 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 first positioning coil, a second positioning coil and a third positioning coil respectively, and the first positioning coil, the second positioning coil and the third positioning coil are arranged in a delta shape; four LED 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 first prompting lamp, a second prompting lamp, a third prompting lamp and a fourth prompting lamp; the first prompt lamp, the second prompt lamp and the third prompt 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 lead;
an LED display module is arranged at the right upper part of the outer side of the receiving coil; the single-chip microcomputer control module is respectively connected with the rectifying module, the LED display module, the four LED prompting lamps, the receiving coil and the three positioning coils through leads.
Further, 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 to 4 th 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 No. 1 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 the L2 terminal, the VOUT _ AD2 terminal, the VOUT _ AD1 terminal and the GND terminal; 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 a resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with a capacitor C6, and the other end of a resistor R18 is connected with a Wake-up end; the resistor R16 is connected in parallel between the resistor R18 and the capacitor C6.
Further, 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 end L1 is connected with the lead between the light emitting diode T1 and the resistor R21 through a 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, a resistor R2 is connected with 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 VOUT _ AD1 end is respectively connected with one end of a resistor R2 and one end of a diode D9;
the port P2 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 the 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 VOUT _ AD2 end is respectively connected with one end of a resistor R10 and one end of a diode D11;
the port P3 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 the resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected with the capacitor C7 in series, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the VOUT _ AD3 end 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 an LC end, the LC end is connected with a diode D6 in series, and the other end of the diode D6 is connected with one end of a diode D1 in parallel and connected with a VOUT end; the other end of the diode D1 is connected with a Wake end, the Wake end is connected with the capacitor C1 in series, and the other end of the capacitor C1 is connected with a P4 port in parallel; the P5 port is connected with one end of a 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 in series with the resistor R1, and the other end of the resistor R1 is connected in parallel with the VCC end; the resistor R3 is connected with the voltage-stabilizing diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the voltage-stabilizing diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected in parallel with the resistor R1, and the other end of the filter capacitor PC1 is grounded.
Further, the U1 chip is a single chip microcomputer of which the model is PMS 132B-S08.
Furthermore, the two ends of the positioning plate are in a shape of a circular plate to form a track-shaped plate body.
Furthermore, the centers of circles 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 centers of circles are three vertexes of the regular triangle.
After adopting the structure, 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 induction current under a changing magnetic field, utilizes a singlechip to carry out 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, sets at least three small positioning coils in the receiving coil to carry out positioning, and assists in taking an LED lamp as a prompting lamp; the intelligent charging device has the advantages that the use is convenient, the operation is convenient and fast, the prompting lamp controlled by the single chip microcomputer finally lights up through the guiding of the prompting lamp corresponding to the small positioning coil, and the accurate positioning of a charging area is realized.
[ 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, and are not to be considered limiting of the invention, in which:
FIG. 1 is a schematic structural view 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 in the present invention;
FIG. 4 is a schematic diagram of a portion of a rectifier circuit of the present invention;
FIG. 5 is a schematic diagram of a portion two of the rectifier circuit of the present invention;
FIG. 6 is a partial, tri-schematic view of a rectifier circuit in the present invention;
fig. 7 is a partial fourth schematic diagram of a rectifier circuit in the present invention.
[ detailed description ] embodiments
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
As shown in fig. 1, the positioning assisting device suitable for a wireless charging system according to the present embodiment includes a positioning assisting device body, the positioning assisting device body includes a positioning plate, a single chip microcomputer 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 first positioning coil, a second positioning coil and a third positioning coil respectively, and the first positioning coil, the second positioning coil and the third positioning coil are arranged in a delta shape; four LED 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 first prompting lamp, a second prompting lamp, a third prompting lamp and a fourth prompting lamp; the first prompt lamp, the second prompt lamp and the third prompt 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 lead;
an LED display module is arranged at the right upper part of the outer side of the receiving coil; the single-chip microcomputer control module is respectively connected with the rectifying module, the LED display module, the four LED prompting lamps, the receiving coil and the three positioning coils through leads.
Further, as shown in fig. 2, the single chip microcomputer control module includes a control circuit, the control circuit includes a U1 chip, pin 1 of the U1 chip is connected to the VCC terminal, and pins 2 to 4 of the U1 chip are connected to the L1 terminal, the Wake-up terminal, and the VOUT _ AD3 terminal, respectively; the capacitors C4 and C5 are connected in parallel to the No. 1 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 the L2 terminal, the VOUT _ AD2 terminal, the VOUT _ AD1 terminal and the GND terminal; 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 a resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with a capacitor C6, and the other end of a resistor R18 is connected with a Wake-up end; the resistor R16 is connected in parallel between the resistor R18 and the capacitor C6.
Further, as shown in fig. 3, the LED display module includes a display circuit, 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 the VCC terminal, and the other end of the resistor R23 is grounded; the end L1 is connected with the lead between the light emitting diode T1 and the resistor R21 through a 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. 4-7, the rectifier module includes a rectifier circuit, the rectifier 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, a 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 VOUT _ AD1 end is respectively connected with one end of a resistor R2 and one end of a diode D9;
the port P2 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 the 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 VOUT _ AD2 end is respectively connected with one end of a resistor R10 and one end of a diode D11;
the port P3 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 the resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected with the capacitor C7 in series, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the VOUT _ AD3 end 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 an LC end, the LC end is connected with a diode D6 in series, and the other end of the diode D6 is connected with one end of a diode D1 in parallel and connected with a VOUT end; (ii) a The other end of the diode D1 is connected with a Wake end, the Wake end is connected with the capacitor C1 in series, and the other end of the capacitor C1 is connected with a P4 port in parallel; the P5 port is connected with one end of a 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 in series with the resistor R1, and the other end of the resistor R1 is connected in parallel with the VCC end; the resistor R3 is connected with the voltage-stabilizing diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the voltage-stabilizing diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected in parallel with the resistor R1, and the other end of the filter capacitor PC1 is grounded.
Further, the U1 chip is a single chip microcomputer of which the model is PMS 132B-S08.
Furthermore, the two ends of the positioning plate are in a shape of a circular plate to form a track-shaped plate body.
Furthermore, the centers of circles 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 centers of circles are three vertexes of the regular triangle.
Furthermore, 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, the right side of the upper part of the surface of the positioning plate is provided with a single chip microcomputer control module, and the left side of the upper part of the surface of the positioning plate is provided with a rectifying module; a receiving coil is arranged in the middle of the surface of the positioning plate, at least three positioning coils are arranged in the receiving coil, and the three positioning coils are a first positioning coil, a second positioning coil and a third positioning coil respectively; an LED display module is arranged at the right upper part of the outer side of the receiving coil;
the single chip microcomputer control module, the LED display module and the rectifying module respectively realize control, guide and accurate positioning through the control circuit, the display circuit and the rectifying circuit. Wherein: three pins Vout _ AD1, Vout _ AD2 and Vout _ AD3 of the singlechip control module are used as sampling channels; the ends P1, P2 and P3 are connected with a positioning coil; a large power supply coil (receiving coil) is connected to the P4 terminal and the P5 terminal; t1, T2, T3 and TC are four LED display lamps; t1, T2 and T3 correspond to three prompting lamps (a prompting lamp I, a prompting lamp II and a prompting lamp III) of the three positioning coils; when the large receiving coil generates induced electromotive force in a changing magnetic field, the induced electromotive force supplies power to the singlechip after passing through the rectifying circuit; the three positioning coils also rectify the generated electric energy and transmit the voltage as a sampling voltage to three pins, namely Vout _ AD1, Vout _ AD2 and Vout _ AD 3.
In this design, utilize the electromagnetic induction principle, the wireless power transmitting terminal produces the magnetic field that changes, and when positioner on the desktop was close to this magnetic field of change, the magnetic field of change passed through positioner's receiving coil and can produce induced electromotive force, and the magnetic flux when passing receiving coil is big more, and the induced electromotive force of production also can be big more, and the control part is sampled then is driven the LED lamp with the voltage of singlechip to receiving coil and is shown.
The receiving coils can be divided into four, one of the four receiving coils is used for generating electric energy to supply power to the control part, the large coil can generate induced electromotive force when being close to a wireless charging area, the induced electromotive force is rectified by the rectifying circuit and then supplies power to the single chip microcomputer, and the other three small coils are used for realizing positioning. A regular triangle is formed by the three small coils, each small coil corresponds to a display module (the display part can be formed by a plurality of LED lamps), when the device is close to a wireless charging area, the three small coils can generate induction 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 single chip microcomputer.
The single chip microcomputer controls an LED (1/2/3) lamp corresponding to a positioning coil (1/2/3) with the minimum sampling voltage (explaining that the magnetic field intensity passing through the positioning coil is minimum) to be turned on by comparing the adopted voltage of each coil, at the moment, a user can move the positioning plate towards the direction of turning on the LED lamp, the operation is repeated, when the magnetic field intensity passing through 3 positioning coils is approximately the same, the single chip microcomputer detects that the sampling voltage of 3 positioning coils is within the range allowed by errors, the single chip microcomputer controls the LED4 independent of the 3 positioning coils to be turned on, and 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 to a singlechip, and three small coils are used for positioning; certainly, a battery can also be used for supplying power to the singlechip, the number of the positioning coils can be N, and connecting lines among the circle centers of the N positioning coils form a regular polygon; each coil corresponds to one display module and one LED prompting lamp.
The coil in the design can be manufactured by manufacturing processes of single-strand enameled wire, multi-strand litz wire, PCB (printed circuit board) or FPC (flexible printed circuit board) and the like.
Compared with the magnet positioning mechanism in the background art, the positioning mechanism has the following advantages:
(1) compared with the traditional magnet positioning, the scheme is safer and has a longer positioning distance.
(2) The installation of the remote wireless charger is more convenient, and the accurate degree of positioning can be seen more visually by a person 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 induction current under a changing magnetic field, utilizes a singlechip to carry out 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, at least three positioning coils are arranged in the receiving coil to carry out positioning, and assists in using an LED lamp as a prompting lamp; the intelligent charging device has the advantages that the use is convenient, the operation is convenient and fast, the prompting lamp controlled by the single chip microcomputer is finally turned on as a guide through the prompting lamp corresponding to the positioning coil, and the accurate positioning of a charging area is realized.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (7)
1. The utility model provides a location auxiliary device suitable for wireless charging system which characterized in that: the device comprises a positioning auxiliary device body, wherein the positioning auxiliary device body comprises a positioning plate, a single-chip microcomputer 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 first positioning coil, a second positioning coil and a third positioning coil respectively, and the first positioning coil, the second positioning coil and the third positioning coil are arranged in a delta shape; four LED 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 first prompting lamp, a second prompting lamp, a third prompting lamp and a fourth prompting lamp; the first prompt lamp, the second prompt lamp and the third prompt 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 lead; an LED display module is arranged at the right upper part of the outer side of the receiving coil; the single-chip microcomputer control module is respectively connected with the rectifying module, the LED display module, the four LED prompting lamps, the receiving coil and the three positioning coils through leads.
2. The positioning aid for a wireless charging system according to claim 1, wherein: 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 to 4 th 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 No. 1 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 the L2 terminal, the VOUT _ AD2 terminal, the VOUT _ AD1 terminal and the GND terminal; 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 a resistor R13 is connected with a Wake end, one end of a resistor R18 is connected with a capacitor C6, and the other end of a resistor R18 is connected with a Wake-up end; the resistor R16 is connected in parallel between the resistor R18 and the capacitor C6.
3. The positioning aid 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 end L1 is connected with the lead between the light emitting diode T1 and the resistor R21 through a 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.
4. The positioning aid for a wireless charging system according to claim 1, wherein: the rectifying module comprises a rectifying circuit, the rectifying circuit comprises a P1 port, a 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, a resistor R2 is connected with 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 VOUT _ AD1 end is respectively connected with one end of a resistor R2 and one end of a diode D9; the port P2 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 the 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 VOUT _ AD2 end is respectively connected with one end of a resistor R10 and one end of a diode D11; the port P3 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 the resistor R14 in series, and the other end of the resistor R14 is grounded; the diode D41 is connected with the capacitor C7 in series, the other end of the diode D14 is connected with the VCC end, and the other end of the capacitor C7 is grounded; the VOUT _ AD3 end 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, 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 connected with the VOUT end; the other end of the diode D1 is connected with a Wake end, the Wake end is connected with the capacitor C1 in series, and the other end of the capacitor C1 is connected with a P4 port in parallel; the P5 port is connected with one end of a 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 in series with the resistor R1, and the other end of the resistor R1 is connected in parallel with the VCC end; the resistor R3 is connected with the voltage-stabilizing diode D3 in series and then connected with the resistor R1 in parallel; the resistor R4 is connected with the voltage-stabilizing diode D4 in series and then connected with the resistor R1 in parallel; one end of the filter capacitor PC1 is connected in parallel with the resistor R1, and the other end of the filter capacitor PC1 is grounded.
5. A positioning assistance device suitable for use in a wireless charging system according to claim 2, wherein: the U1 chip is a single chip microcomputer of PMS 132B-S08.
6. The positioning aid for a wireless charging system according to claim 1, wherein: the two ends of the positioning plate are in the shape of a circular plate to form a track-shaped plate body.
7. The positioning aid 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.
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| CN202010045957.3A CN111917197B (en) | 2020-01-16 | 2020-01-16 | Positioning auxiliary device suitable for wireless charging system |
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| CN202010045957.3A 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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2020
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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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| CN111917197B (en) | 2024-01-16 |
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