CN203674774U - Vehicle charging platform used for portable electronic equipment - Google Patents
Vehicle charging platform used for portable electronic equipment Download PDFInfo
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- CN203674774U CN203674774U CN201320772438.2U CN201320772438U CN203674774U CN 203674774 U CN203674774 U CN 203674774U CN 201320772438 U CN201320772438 U CN 201320772438U CN 203674774 U CN203674774 U CN 203674774U
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- vehicle
- printed circuit
- mounted charge
- circuit board
- pcb
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Abstract
The utility model relates to automobile electronic technology, particularly to a vehicle charging platform used for a portable electronic equipment. The vehicle charging platform used for the portable electronic equipment according to an embodiment of the utility model comprises a printed circuit board; a plurality of primary coils formed on a first side of the printed circuit board; a plurality of secondary coils formed on a second side of the printed circuit board, wherein the first side is opposite to the second side.
Description
Technical field
The utility model relates to automotive electronic technology, particularly a kind of vehicle-mounted charge platform for portable electric appts.
Background technology
Wireless power transmission is a kind of special power supply formula, has at present the different modes such as electromagnetic induction, electromagentic resonance and microwave, and wherein, electromagnetic induction is that the electric current in coil is directly carried out to the closely transmitting-receiving below lcm with electromagnetic wave form.Fig. 1 is the schematic diagram of typical electromagnetic induction charged method.As shown in Figure 1, three phase worker power carries out high-frequency inversion through the direct current obtaining after rectifying and wave-filtering in inverter, the high-frequency alternating electric current producing injects primary coil, in proximity space, produce high-frequency alternating magnetic flux, secondary coil obtains induced electromotive force by coupling high-frequency alternating magnetic flux, after overpower adjustment link, exports load to.
Due to electromagnetic space divergence, efficiency is not high enough, and therefore way of electromagnetic induction is more suitable for the portable electric appts mutually " pasting ", such as MP3 player, mobile phone, electric shaver and electric toothbrush etc. conventionally.At present in automobile generally also for portable electric appts configures charger, but charging modes take contact as main, it is not too convenient to use.
Utility model content
The purpose of this utility model is to provide a kind of vehicle-mounted charge platform for portable electric appts, and it can realize the charging to multiple portable electric appts.
Above-mentioned purpose of the present utility model can realize by following technical proposal:
For a vehicle-mounted charge platform for portable electric appts, comprising:
Printed circuit board (PCB);
Be formed at multiple primary coils of the first side of described printed circuit board (PCB);
Be formed at multiple secondary coils of the second side of described printed circuit board (PCB), described the second side is relative with described the first side.
Preferably, in above-mentioned vehicle-mounted charge platform, described multiple primary coils are hexagonal spiral circle, and they have identical size and arrange at grade with cellular pattern.Better, each described secondary coil is round screw thread coil, and its center of circle is positioned at the center as the equilateral triangle on summit take the center of three adjacent described primary coils, and its outer radius equals the inscribe radius of a circle of described equilateral triangle.
Preferably, in above-mentioned vehicle-mounted charge platform, described printed circuit board (PCB) is multilayer board, and described multiple primary coils are divided into some groups, every group of different layers plane being positioned near described printed circuit board (PCB) the first side.Better, the primary coil in every group is have the hexagonal spiral circle of same size and be arranged in same layer plane with cellular pattern, and the primary coil in does not on the same group shift to install in the direction perpendicular to layer plane.
Preferably, in above-mentioned vehicle-mounted charge platform, each described secondary coil is round screw thread coil, and residing position, its center of circle is aimed at it in vertical direction with the center of primary coil described in one of them.
Preferably, in above-mentioned vehicle-mounted charge platform, the first side of described printed circuit board (PCB) and the surface of the second side cover ferrite layer and copper metal layer successively.
Preferably, in above-mentioned vehicle-mounted charge platform, further comprise the high-frequency inverter circuit that is arranged on described the first side and is connected with described primary coil, be changed to high-frequency alternating electric current and export described primary coil to for the DC inverter that automotive electrical system is supplied with.
Preferably, in above-mentioned vehicle-mounted charge platform, further comprise:
Be arranged on the full bridge rectifier of described the second side, its be connected with described secondary coil take by the high-frequency alternating current conversion of described secondary coil induction as direct current; And
The power control circuit being connected with described full bridge rectifier, for controlling the power output of described full bridge rectifier.
Accompanying drawing explanation
Above-mentioned and/or other side of the present utility model and advantage become the description of the various aspects by below in conjunction with accompanying drawing more clear and are easier to understand, and in accompanying drawing, same or analogous unit adopts identical label to represent, accompanying drawing comprises:
Fig. 1 is the schematic diagram of typical contactless charging method.
Fig. 2 is according to the schematic diagram of the vehicle-mounted charge platform for portable electric appts of an embodiment of the utility model.
Fig. 3 A and 3B are the schematic diagram of the primary coil in vehicle-mounted charge platform shown in Fig. 2, wherein, and the schematic diagram that Fig. 3 A is single primary coil, and the arrangement schematic diagram that Fig. 3 B is multiple primary coils.
Fig. 4 is the schematic diagram of the secondary coil in vehicle-mounted charge platform shown in Fig. 2.
Fig. 5 is according to the schematic diagram of the vehicle-mounted charge platform for portable electric appts of another embodiment of the utility model.
Fig. 6 is the schematic diagram of the primary coil in vehicle-mounted charge platform shown in Fig. 5.
Fig. 7 is the schematic diagram can be applicable to shown in Fig. 2 and 5 for the power control circuit of the vehicle-mounted charge platform of portable electric appts.
Embodiment
Below by being described with reference to the drawings, embodiment sets forth the utility model.But it will be appreciated that, these embodiments are only exemplary, there is no restriction for spirit of the present utility model and protection range.
In this manual, " connection " word should be understood to be included in the situation that directly transmits energy or signal between two unit, or indirectly transmit the situation of energy or signal through one or more Unit the 3rd, and alleged signal includes but not limited to the signal existing with the form of electricity, light and magnetic here.
" comprise " and the term of " comprising " and so on represent except have in specification and claims, have directly and the unit and step of clearly statement, the technical solution of the utility model is not got rid of yet and is had other unit of directly or clearly not explained and the situation of step.
By accompanying drawing, specific embodiment of the utility model is described below.
Fig. 2 is according to the schematic diagram of the vehicle-mounted charge platform for portable electric appts of an embodiment of the utility model.
The vehicle-mounted charge platform 10 for portable electric appts according to the present embodiment comprises printed circuit board (PCB) 110, multiple primary coil 120 and multiple secondary coil 130.
As shown in Figure 2, primary coil 120 is formed at the first side 110A of printed circuit board (PCB) 110.It is pointed out that " the first side " described here refers to one of them surface of printed circuit board (PCB) 110 and/or the region of this near surface.In the present embodiment, utilize printed circuit board technology primary coil 120 to be only printed on to the surface of printed circuit board (PCB).
Continue referring to Fig. 2, secondary coil 130 is formed at the second side 110B of printed circuit board (PCB), and this second side 110B is relative with aforementioned the first side 110A.It is pointed out that " the second side " described here is interpreted as the region of printed circuit board (PCB) 110 another surfaces and/or this near surface.In the present embodiment, utilize printed circuit board technology secondary coil 130 to be printed on to the surface of printed circuit board (PCB).
Alternatively, vehicle-mounted charge platform 10 also can comprise high-frequency inverter circuit, full-wave rectifying circuit and power control circuit (not shown).
High-frequency inverter circuit can be arranged on the first side 110A of printed circuit board (PCB) and be connected with primary coil 120, comprise multiple relatively independent subelements, each subelement is connected with one of them primary coil 120 separately and is changed to high-frequency alternating electric current and exports primary coil 120 to the DC inverter that automotive electrical system is supplied with.
Full bridge rectifier can be arranged on the second side 110B of printed circuit board (PCB), and it comprises multiple relatively independent subelements, each subelement be connected with one of them secondary coil 130 separately take by the high-frequency alternating current conversion of secondary coil induction as direct current.
In addition, the power control circuit being connected with full bridge rectifier also can be set on the second side 110B, for controlling the power output of full bridge rectifier.Equally, power control circuit also comprises multiple subelements, is eachly connected with one of them subelement of full-wave rectifying circuit.
It is to be noted, above-mentioned high-frequency inverter circuit, full-wave rectifying circuit and power control circuit might not be included in vehicle-mounted charge platform 10, for example, in the time that automotive electrical system can provide required high-frequency inversion electric current, high-frequency inverter circuit will become no longer to be needed; And for example, full-wave rectifying circuit and power control circuit also can be arranged on portable charged equipment.
Fig. 3 A and 3B are the schematic diagram of the primary coil in vehicle-mounted charge platform shown in Fig. 2, wherein, and the schematic diagram that Fig. 3 A is single primary coil, and the arrangement schematic diagram that Fig. 3 B is multiple primary coils.
As shown in Figure 3A, primary coil 120 is hexagonal spiral circle.Compare round screw thread coil, hexagonal spiral circle can utilize the area of printed circuit board (PCB) more fully.Preferably, these hexagonal spiral circles have identical size and as shown in Figure 3 B, arrange at grade with cellular pattern.In Fig. 3 B, the position representing with P has the strongest magnetic field intensity.
Fig. 4 is the schematic diagram of the secondary coil in vehicle-mounted charge platform shown in Fig. 2.
As shown in Figure 4, each secondary coil 130 is round screw thread coil, preferably, the center of circle of round screw thread coil is positioned at the center as the equilateral triangle on summit take the center of three adjacent primary coils, and its outer radius equals the inscribe radius of a circle of equilateral triangle.
In the present embodiment, in order to obtain outstanding effectiveness, also can cover successively ferrite layer and copper metal layer on the surface of printed circuit board (PCB) 110.
Fig. 5 is according to the schematic diagram of the vehicle-mounted charge platform for portable electric appts of another embodiment of the utility model.
The vehicle-mounted charge platform 10 for portable electric appts according to the present embodiment comprises printed circuit board (PCB) 110, multiple primary coil 120 and multiple secondary coil 130.Alternatively, vehicle-mounted charge platform also can comprise high-frequency inverter circuit, full-wave rectifying circuit and power control circuit, wherein, high-frequency inverter circuit is arranged on the first side 110A of printed circuit board (PCB) and is connected with primary coil 120, and its DC inverter that automotive electrical system is supplied with is changed to high-frequency alternating electric current and exports primary coil 120 to.Full bridge rectifier is arranged on the second side 110B of printed circuit board (PCB), its be connected with secondary coil 130 take by the high-frequency alternating current conversion of secondary coil induction as direct current.On the second side 110B, the power control circuit being connected with full bridge rectifier is also set, for controlling the power output of full bridge rectifier.
As shown in Figure 5, in the present embodiment, printed circuit board (PCB) 110 is three layer printed circuit boards, and correspondingly, primary coil 120 is divided into three groups of 120A, 120B and 120C, and they are formed at printed circuit board (PCB) 110 corresponding layer plane places.
Referring to Fig. 5, with previous embodiments, secondary coil 130 is formed at the second side 110B of printed circuit board (PCB), and this second side 110B is relative with aforementioned the first side 110A.
Fig. 6 is the schematic diagram of the primary coil in vehicle-mounted charge platform shown in Fig. 5.
With previous embodiments, each primary coil is here also hexagonal spiral circle.Each hexagonal spiral circle in every group has identical size and as shown in Figure 6, is arranged in same layer plane with cellular pattern.In Fig. 6, heavy line represents first group of primary coil 120A, and it is positioned at the surface of printed circuit board (PCB) 110 as shown in Figure 5; Thick dashed line represents second group of primary coil 120B, and it is between first and second layer of printed circuit board (PCB) 110 as shown in Figure 5; Fine dotted line represents first group of primary coil 120C, its printed circuit board (PCB) 110 as shown in Figure 5 second and the 3rd layer between.The position representing with P in Fig. 6 has the strongest magnetic field intensity.Continue referring to Fig. 6, the primary coil in is not on the same group shifted to install in the direction perpendicular to layer plane.
In the present embodiment, each secondary coil 130 is also round screw thread coil, and preferably, residing position, the center of circle of secondary coil 130 is aimed at it in vertical direction with the center of one of them primary coil.
Fig. 7 is the schematic diagram can be applicable to shown in Fig. 2 and 5 for the power control circuit of the vehicle-mounted charge platform of portable electric appts.Power control circuit 70 shown in Fig. 7 comprises inductor L
s, diode D, capacitor C
s, power switch pipe T
1with comparator A
1, wherein, inductor L
s, diode D, capacitor C
sbe connected between two outputs of full-wave rectifying circuit power switch pipe T
1source electrode be connected to inductor L
swith the common contact of diode D, drain electrode is connected with one of them output of full-wave rectifying circuit, grid and comparator A
1output be connected.In the time of work, inductor L
smainly the output current of full-wave rectifying circuit is carried out to flat ripple, the effect of diode D is the one-way transmission that realizes charge power, prevents power switch pipe T
1load short circuit when conducting.Capacitor C
sfor buffer condenser, as power switch pipe T
1when shutoff, the output current of full-wave rectifying circuit is through inductor L
sflow into capacitor C with diode D
s, and as power switch pipe T
1when conducting, capacitor C
sto load discharge.On the other hand, power switch pipe T
1turn-on and turn-off adopt following manner realize: comparator A
1self-capacitance device C will sample
svoltage and the reference voltage at two ends compare, if the former is greater than the latter, export high level so that power switch pipe T
1conducting, otherwise make power switch pipe T
1turn-off.
Although represented and aspects more of the present utility model be discussed, but those skilled in the art are to be appreciated that and can change aspect above-mentioned under the condition that does not deviate from the utility model principle and spirit, therefore scope of the present utility model will be limited by claim and the content that is equal to.
Claims (9)
1. for a vehicle-mounted charge platform for portable electric appts, it is characterized in that, comprising:
Printed circuit board (PCB);
Be formed at multiple primary coils of the first side of described printed circuit board (PCB);
Be formed at multiple secondary coils of the second side of described printed circuit board (PCB), described the second side is relative with described the first side.
2. vehicle-mounted charge platform according to claim 1, wherein, described multiple primary coils are hexagonal spiral circle, they have identical size and arrange at grade with cellular pattern.
3. vehicle-mounted charge platform according to claim 2, wherein, each described secondary coil is round screw thread coil, and its center of circle is positioned at the center as the equilateral triangle on summit take the center of three adjacent described primary coils, and its outer radius equals the inscribe radius of a circle of described equilateral triangle.
4. vehicle-mounted charge platform according to claim 1, wherein, described printed circuit board (PCB) is multilayer board, described multiple primary coils are divided into some groups, every group of different layers plane being positioned near described printed circuit board (PCB) the first side.
5. vehicle-mounted charge platform according to claim 4, wherein, primary coil in every group is have the hexagonal spiral circle of same size and be arranged in same layer plane with cellular pattern, and the primary coil in does not on the same group shift to install in the direction perpendicular to layer plane.
6. vehicle-mounted charge platform according to claim 5, wherein, each described secondary coil is round screw thread coil, residing position, its center of circle is aimed at it in vertical direction with the center of primary coil described in one of them.
7. vehicle-mounted charge platform according to claim 1, wherein, the first side of described printed circuit board (PCB) and the surface of the second side cover ferrite layer and copper metal layer successively.
8. vehicle-mounted charge platform according to claim 1, wherein, further comprise the high-frequency inverter circuit that is arranged on described the first side and is connected with described primary coil, be changed to high-frequency alternating electric current and export described primary coil to for the DC inverter that automotive electrical system is supplied with.
9. vehicle-mounted charge platform according to claim 8, wherein, further comprises:
Be arranged on the full bridge rectifier of described the second side, its be connected with described secondary coil take by the high-frequency alternating current conversion of described secondary coil induction as direct current; And
The power control circuit being connected with described full bridge rectifier, for controlling the power output of described full bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772438.2U CN203674774U (en) | 2013-11-29 | 2013-11-29 | Vehicle charging platform used for portable electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772438.2U CN203674774U (en) | 2013-11-29 | 2013-11-29 | Vehicle charging platform used for portable electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674774U true CN203674774U (en) | 2014-06-25 |
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ID=50971026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772438.2U Expired - Fee Related CN203674774U (en) | 2013-11-29 | 2013-11-29 | Vehicle charging platform used for portable electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193969A (en) * | 2018-07-18 | 2019-01-11 | 中国电子科技集团公司第七研究所 | A kind of microwave power transmission system and emulation mode suitable for mobile target |
| CN112747777A (en) * | 2019-10-30 | 2021-05-04 | 爱信精机株式会社 | Rotation angle sensor |
-
2013
- 2013-11-29 CN CN201320772438.2U patent/CN203674774U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193969A (en) * | 2018-07-18 | 2019-01-11 | 中国电子科技集团公司第七研究所 | A kind of microwave power transmission system and emulation mode suitable for mobile target |
| CN112747777A (en) * | 2019-10-30 | 2021-05-04 | 爱信精机株式会社 | Rotation angle sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20211129 |