CN209000712U - A kind of wireless charging transmitting coil and wireless charging structure - Google Patents
A kind of wireless charging transmitting coil and wireless charging structure Download PDFInfo
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- CN209000712U CN209000712U CN201821856871.3U CN201821856871U CN209000712U CN 209000712 U CN209000712 U CN 209000712U CN 201821856871 U CN201821856871 U CN 201821856871U CN 209000712 U CN209000712 U CN 209000712U
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Abstract
The utility model provides a kind of wireless charging transmitting coil and wireless charging structure, the transmitting coil includes at least three layers of coil configuration layer arranged with upper and lower stack manner, and each loop construction includes coil substrate, lug boss, circular coil and coil location hole in each coil row layer of cloth；First coil arrangement layer includes at least three first coil structures, and tangent to each other between adjacent circular coil；Second coil row layer of cloth includes at least one second loop construction being set between first coil arrangement layer and tertiary coil arrangement layer；Tertiary coil arrangement layer includes at least three tertiary coil structures, and tangent to each other between adjacent circular coil；The center of circle of three circular coils tangent to each other in the center of circle of three circular coils tangent to each other and tertiary coil arrangement layer constitutes an equilateral triangle in first coil arrangement layer, and the center of two equilateral triangles is overlapped in the stacking direction, while being overlapped with the center of circle of a circular coil in the second coil row layer of cloth in stacking direction.
Description
Technical field
The utility model relates to wireless charging fields, more particularly to a kind of wireless charging transmitting coil and wireless charging knot
Structure.
Background technique
Wireless charging technology (Wireless charging technology) is derived from wireless power transmission technology, is to pass through
Electromagnetic induction realizes the wireless transmission of electric energy.For wireless charging technology, the coil position pair of transmitting terminal and receiving end
The coupling performance of coil has a significant impact, i.e. the dislocation of transmitting end-coil and reception end-coil is largely affected by charging effect
Rate.
With the fast development in wireless charging market, higher demand is proposed to wireless charging device.And it is existing wireless
Charger mostly uses greatly unicoil as transmitting terminal, and end-coil is received when such structure charges must be placed in transmitting end-coil
Heart position could charge, so that charged area is limited, transmitting terminal coil utilization rate is low, far from so as to cause charging convenience
Foot.
In consideration of it, it is necessary to design one kind new wireless charging transmitting coil and wireless charging structure to solve above-mentioned skill
Art problem.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of wireless charging emission lines
Circle and wireless charging structure, solving existing unicoil wireless charger has charged area limited, and coil utilization rate is low to ask
Topic.
In order to achieve the above objects and other related objects, the utility model provides a kind of wireless charging transmitting coil, described
Wireless charging transmitting coil includes at least: at least three layers of coil configuration layer arranged with upper and lower stack manner, each coil row layer of cloth
In include the identical loop construction of multiple structures, each loop construction includes: the coil substrate equipped with lug boss, is formed in
Circular coil in the coil substrate, and the coil location hole of the perforation lug boss upper and lower surfaces；
First coil arrangement layer includes: to be set to conplane at least three at least three layers of coil configuration layer
One loop construction, and it is tangent to each other between the circular coil in the adjacent first coil structure；
Second coil row layer of cloth includes: at least one being set between first coil arrangement layer and tertiary coil arrangement layer
Second loop construction；
Tertiary coil arrangement layer includes: to be set to conplane at least three tertiary coils structure, and adjacent described
It is tangent to each other between circular coil in tertiary coil structure；
Wherein, that in the center of circle of three circular coils tangent to each other and tertiary coil arrangement layer in first coil arrangement layer
The center of circle of this three tangent circular coil respectively constitutes an equilateral triangle, and the center of two equilateral triangles is in stacking side
It is overlapped, while being overlapped with the center of circle of a circular coil in the second coil row layer of cloth in stacking direction upwards, it is described wireless to reduce
The charging blind area of charging transmitting coil.
Optionally, in any layer of three layers of coil configuration layer further include: with its loop construction be set to it is conplane extremely
Few 4th loop construction, the 4th loop construction are set on the outside of its loop construction, and in adjacent windings structure
It is tangent to each other between circular coil；In any layer of remaining two layers of coil row layer of cloth further include: be set to together with its loop construction
At least one the 5th loop construction of one plane, the 5th loop construction is set on the outside of its loop construction, and adjacent lines
It is tangent to each other between circular coil in coil structures；Wherein, the circular coil in the 5th loop construction is set to another two layers
Coil configuration stacking postpones in the charging blind area of generation.
Optionally, the first coil is arranged layer further include: with the first coil structure setting in it is conplane extremely
Few 4th loop construction, the 4th loop construction are set to the outside of the first coil structure, and adjacent windings
It is tangent to each other between circular coil in structure；The second coil row layer of cloth further include: be arranged with second loop construction
In at least one conplane the 5th loop construction, the 5th loop construction is set to the outer of second loop construction
Side, and it is tangent to each other between the circular coil in adjacent windings structure；The tertiary coil is arranged layer further include: with described the
Three-winding structure setting is set to the third at least one conplane the 6th loop construction, the 6th loop construction
The outside of loop construction, and it is tangent to each other between the circular coil in adjacent windings structure；Wherein, the 6th loop construction
In circular coil be set to first coil arrangement layer and second coil configuration stacking postpones the charging blind area of generation
In.
Optionally, the first coil arrangement layer includes: to be set to same plane and in three first of four column arrangements
Loop construction and three the 4th loop constructions, wherein include two first coil structures in first row, include in secondary series
One first coil structure includes two the 4th loop constructions in third column, includes one described the in the 4th column
Four loop constructions, and it is tangent to each other between circular coil in adjacent windings structure；
The second coil row layer of cloth includes: to be set to same plane and in a second coil knot of three column arrangements
Structure and three the 5th loop constructions, wherein include second loop construction in first row, include two institutes in secondary series
State the 5th loop construction, include the 5th loop construction in third column, and in adjacent windings structure circular coil it
Between it is tangent to each other；
The tertiary coil arrangement layer includes: to be set to same plane and in three tertiary coil knots of four column arrangements
Structure and three the 6th loop constructions, wherein include a tertiary coil structure in first row, include two institutes in secondary series
Tertiary coil structure is stated, includes the 6th loop construction in third column, includes two the 6th coils in the 4th column
Structure, and it is tangent to each other between circular coil in adjacent windings structure.
Optionally, the stacked area of any circular coil and the circular coil gross area in the wireless charging transmitting coil
Ratio is 0.47~0.71.
Optionally, the thickness of any coil configuration layer is 0.31mm~0.41mm, the wireless charging transmitting coil
Overall thickness is 1mm~1.16mm.
The utility model additionally provides a kind of wireless charging structure, and the wireless charging structure includes:
Pedestal；
It is installed on the magnetic masking layer of the base upper surface；
It is installed on the magnetic masking layer upper surface, wireless charging transmitting coil as described above；
It is installed on the PCBA board of the base lower surface；
Wherein, the end of a thread of each coil is electrically connected with the pad in the PCBA board in the wireless charging transmitting coil.
Optionally, the pedestal includes base body, positioning column and mounting post, and the positioning column is set to the base body
Upper surface, the mounting post be set to the base body lower surface；
The magnetic masking layer is equipped with the magnetic screen location hole for penetrating through its upper and lower surfaces, and the magnetic masking layer passes through
Magnetic screen location hole and positioning column adaptation are installed on the upper surface of the base body；
The wireless charging transmitting coil is installed on the upper of the magnetic masking layer by coil location hole and positioning column adaptation
Surface；
The PCBA board is equipped with the mounting hole for penetrating through its upper and lower surfaces, and the PCBA board passes through mounting hole and peace
Dress column adaptation is installed on the lower surface of the base body.
Optionally, the connector being electrically connected with the pad, the wireless charging emission lines are provided in the PCBA board
The end of a thread of each circular coil is electrically connected by connector with the pad in circle.
As described above, a kind of wireless charging transmitting coil and wireless charging structure of the utility model, have beneficial below
Effect: the utility model passes through to each round wire in first coil arrangement layer, the second coil row layer of cloth and tertiary coil arrangement layer
The Position Design of circle, so that charging blind area minimizes, charged area is maximized, when avoiding wireless charging because of transmitting end-coil and
Receive end-coil dislocation and caused by charge efficiency decline, the problem of can not charging, not only increase charge efficiency, but also mention
The high position freedom of wireless charging device.Wireless charging structure described in the utility model is applicable to different portable electronic pieces
Equipment has many advantages, such as that versatile, charge efficiency is high.The utility model carries out each coil row layer of cloth by single coil structure
Design, have more flexibility and convenience.
Detailed description of the invention
Fig. 1 is shown as the schematic diagram of wireless charging transmitting coil middle line coil structures described in embodiment one.
Fig. 2 is shown as a kind of stacked schematic diagram of the circular coil of wireless charging transmitting coil described in embodiment one.
Fig. 3 is shown as the circular coil arrangement schematic diagram of each coil row layer of cloth in wireless charging transmitting coil described in Fig. 2.
The circular coil that Fig. 4 is shown as another kind wireless charging transmitting coil described in embodiment one is stacked schematic diagram.
Fig. 5 is shown as the circular coil arrangement schematic diagram of each coil row layer of cloth in wireless charging transmitting coil described in Fig. 4.
The circular coil that Fig. 6 is shown as another kind wireless charging transmitting coil described in embodiment one is stacked schematic diagram.
Fig. 7 is shown as the circular coil arrangement schematic diagram of each coil row layer of cloth in wireless charging transmitting coil described in Fig. 6.
Fig. 8 is shown as the schematic diagram of wireless charging structure described in embodiment two.
Fig. 9 is shown as the circuit block diagram of circuit structure in PCBA board described in embodiment two.
Component label instructions
1 wireless charging structure
10 wireless charging transmitting coils
100 first coils arrangement layer
101 first coil structures
1011 coil substrates
1012 lug bosses
1013 circular coils
1014 coil location holes
102 the 4th loop constructions
200 second coil row layer of cloths
201 second loop constructions
202 the 5th loop constructions
300 tertiary coils arrangement layer
301 tertiary coil structures
302 the 6th loop constructions
20 pedestals
21 base bodies
22 positioning columns
30 magnetic masking layers
31 magnetic screen location holes
40 PCBA boards
41 mounting holes
Specific embodiment
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Fig. 1 is please referred to Fig. 9.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
Embodiment one
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of wireless charging transmitting coil, the wireless charging transmitting coils
10 include at least: at least three layers of coil configuration layer arranged with upper and lower stack manner, include multiple structures in each coil row layer of cloth
Identical loop construction, each loop construction include: the coil substrate 1011 equipped with lug boss 1012, are formed in the line
Circular coil 1013 in cycle basis plate 1011, and the coil location hole of perforation 1012 upper and lower surfaces of lug boss
1014；
First coil arrangement layer 100 includes: to be set to conplane at least three at least three layers of coil configuration layer
A first coil structure 101, and it is tangent to each other between the circular coil in the adjacent first coil structure 101；
Second coil row layer of cloth 200 includes: to be set between first coil arrangement layer 100 and tertiary coil arrangement layer 300
At least one second loop construction 201；
Tertiary coil arrangement layer 300 includes: to be set to conplane at least three tertiary coils structure 301, and phase
It is tangent to each other between circular coil in the adjacent tertiary coil structure 301；
Wherein, the center of circle of three circular coils tangent to each other in first coil arrangement layer 100 and tertiary coil arrangement layer
The center of circle of three circular coils tangent to each other respectively constitutes an equilateral triangle, and the center of two equilateral triangles in 300
It is overlapped, while being overlapped with the center of circle of a circular coil in the second coil row layer of cloth 200 in stacking direction in the stacking direction, to subtract
The charging blind area of the small wireless charging transmitting coil realizes that charging blind area minimizes, and charged area maximizes.
It should be noted that in the present embodiment, the diameter of circular coil is identical in each loop construction.It is described in order to reduce
The charging blind area of wireless charging transmitting coil, first coil described in the present embodiment are arranged three circles tangent to each other in layer 100
Three circular coils tangent to each other are oppositely arranged (such as first coil arrangement in shape coil and tertiary coil arrangement layer 300
Three circular coils tangent to each other are in two column arrangements in layer 100, wherein include two circular coils in first row, in secondary series
Including a circular coil；Three circular coils tangent to each other are in two column arrangements in tertiary coil arrangement layer 300, wherein first
Include a circular coil in column, include two circular coils in secondary series).
Specifically, the loop construction is made of FPC technique or Sheet Metal Forming Technology；It should be noted that the present embodiment is logical
The design for crossing single coil structure carries out different arrangements using multiple single coil structures and combines, to form required coil row layer of cloth,
Considerably increase the design flexibility and convenience of the wireless charging transmitting coil；Cooperate the coil location hole simultaneously, with
Convenient for assembling to lattice coil arrangement layer, it is fabricated to wireless charging structure.
As an example, in any layer of three layers of coil configuration layer further include: be set to same plane with its loop construction
At least one the 4th loop construction, the 4th loop construction is set on the outside of its loop construction, and adjacent windings structure
In circular coil between it is tangent to each other；In any layer of remaining two layers of coil row layer of cloth further include: be arranged with its loop construction
In at least one conplane the 5th loop construction, the 5th loop construction is set on the outside of its loop construction, and phase
It is tangent to each other between circular coil in adjacent line coil structures；Wherein, the circular coil in the 5th loop construction is set to separately
Two layers of coil configuration stacking postpones in the charging blind area of generation.Specifically, the 4th loop construction is set to the First Line
In circle arrangement layer 100, the 5th loop construction is set in the second coil row layer of cloth 200；Or the 4th coil knot
Structure is set in the first coil arrangement layer 100, and the 5th loop construction is set to the tertiary coil arrangement layer 300
In；Or the 4th loop construction is set in the second coil row layer of cloth 200, the 5th loop construction is set to described
Tertiary coil is arranged in layer 300；Wherein, the 4th loop construction can arrange along line direction, can also arrange along column direction,
Or it arranges simultaneously along line direction and column direction；5th loop construction can arrange along line direction, can also be along column direction
Arrangement, or arrange simultaneously along line direction and column direction.Optionally, as shown in Figure 4 and Figure 5, the 4th loop construction 102 is set
It is placed in the first coil arrangement layer 100, and arranges along line direction；5th loop construction 202 is set to described
Two coil is arranged in layer 200, and is arranged along line direction.
As another example, the first coil arrangement layer 100 further include: be set to the first coil structure 101
At least one conplane the 4th loop construction 102, the 4th loop construction 102 are set to the first coil structure
101 outside, and it is tangent to each other between the circular coil in adjacent windings structure；The second coil row layer of cloth 200 also wraps
It includes: being set at least one conplane the 5th loop construction 202, the 5th coil with second loop construction 201
Structure 202 is set to the outside of second loop construction 201, and phase each other between the circular coil in adjacent windings structure
It cuts；The tertiary coil is arranged layer 300 further include: with the tertiary coil structure 301 be set to it is conplane at least one
6th loop construction 302, the 6th loop construction 302 are set to the outside of the tertiary coil structure 301, and adjacent lines
It is tangent to each other between circular coil in coil structures；Wherein, the circular coil in the 6th loop construction 302 is set to described
In the charging blind area generated after first coil arrangement layer 100 and the second coil row layer of cloth 200 are stacked.Specifically, described
Four loop constructions 102 can arrange along line direction, can also arrange along column direction, or arrange simultaneously along line direction and column direction
Cloth；5th loop construction 202 can arrange along line direction, can also arrange along column direction, or simultaneously along line direction and
Column direction arrangement；6th loop construction 302 can arrange along line direction, can also arrange along column direction, or edge simultaneously
Line direction and column direction arrangement.
Optionally, in the present embodiment, as shown in Figure 6 and Figure 7, the first coil arrangement layer 100 includes: to be set to together
One plane and the three first coil structures 101 and three the 4th loop constructions 102 for arranging arrangement in four, wherein in first row
Including two first coil structures 101, includes a first coil structure 101 in secondary series, include in third column
Two the 4th loop constructions 102 include the 4th loop construction 102, and adjacent windings structure in the 4th column
It is tangent to each other between middle circular coil；
The second coil row layer of cloth 200 includes: to be set to same plane and in second coil of three column arrangements
Structure 201 and three the 5th loop constructions 202, wherein include second loop construction 201, secondary series in first row
In include two the 5th loop constructions 202, include the 5th loop construction 202, and adjacent lines in third column
It is tangent to each other between circular coil in coil structures；
The tertiary coil arrangement layer 300 includes: to be set to same plane and in three tertiary coils of four column arrangements
Structure 301 and three the 6th loop constructions 302, wherein include a tertiary coil structure 301, secondary series in first row
In include two tertiary coil structures 301, third column in include the 6th loop construction 302, the 4th column in wrap
Two the 6th loop constructions 302 are included, and tangent to each other between circular coil in adjacent windings structure.
As an example, the stacked area of any circular coil and the total face of circular coil in the wireless charging transmitting coil 10
Long-pending ratio is 0.47~0.71, to avoid the excessive reduction charge efficiency of stacked area, while avoiding the too small appearance of stacked area
It is also easy to produce charging blind area.
As an example, the thickness of any coil configuration layer is 0.31mm~0.41mm, the wireless charging transmitting coil
Overall thickness be 1mm~1.16mm.
Embodiment two
As shown in figure 8, present embodiments providing a kind of wireless charging structure, the wireless charging structure 1 includes:
Pedestal 20；
It is installed on the magnetic masking layer 30 of 20 upper surface of pedestal, for the wireless charging transmitting coil and described
PCBA board is electromagnetically shielded；
It is installed on 30 upper surface of magnetic masking layer, the wireless charging transmitting coil 10 as described in embodiment one, and wait fill
Receiving coil in electric equipment is used cooperatively, to carry out wireless charging to the charging equipment；
It is installed on the PCBA board 40 of 20 lower surface of pedestal, for the position according to the charging equipment, from described
Select corresponding coil as actuating coil in wireless charging transmitting coil, to pass through the actuating coil to the charging equipment
Wireless charging is carried out, while wireless charging process is controlled；
Wherein, in the wireless charging transmitting coil 10 each circular coil the end of a thread (not shown) Yu the PCBA board
Pad (not shown) electrical connection on 40.
As an example, as shown in figure 8, the pedestal 20 includes that base body 21, positioning column 22 and mounting post (are not shown in figure
Out), the positioning column 22 is set to the upper surface of the base body 21, and the mounting post is set to the following table of the base body 21
Face；
The magnetic masking layer 30 is equipped with the magnetic screen location hole 31 for penetrating through its upper and lower surfaces, the magnetic masking layer
30 are adapted to the upper surface for being installed on the base body 21 by magnetic screen location hole 31 and positioning column 22；
The wireless charging transmitting coil 10 is installed on the magnetic masking layer by coil location hole and the adaptation of positioning column 22
30 upper surface；
The PCBA board 40 is equipped with the mounting hole 41 for penetrating through its upper and lower surfaces, and the PCBA board 40 passes through installation
Hole 41 and mounting post adaptation are installed on the lower surface of the base body 21.
It should be noted that any line circle hole in order to guarantee the 10 middle line coil structures of wireless charging transmitting coil
It can be positioned by positioning column, the quantity of positioning column described in the present embodiment and position need to be emitted according to the wireless charging
The quantity of each loop construction and arrangement are configured in coil 10；The quantity of magnetic screen location hole in the magnetic masking layer 30 can
It is configured, not necessarily to be corresponded with positioning column according to actual needs, quantity can be less than the quantity of positioning column.
As an example, described first in the pedestal 20, the magnetic masking layer 30, the wireless charging transmitting coil 10
Coil row layer of cloth 100, the second coil row layer of cloth 200, the tertiary coil arrangement layer 300 between be to be realized by glue-line
Fixed, wherein the glue-line is layers of two-sided；Layers of two-sided such as is pasted prior to 21 upper surface of base body, is then led to
Cross the upper surface that the magnetic masking layer 30 is installed on the base body 21 by positioning column 22 and magnetic screen location hole 31.The bottom
It is then screwed between seat 20 and the PCBA board 40, wherein the mounting post is equipped with and is adapted to the screw
Screw thread.Optionally, the positioning column and the mounting post can be same structure, i.e., the mounting post is penetrated through the pedestal sheet
Body, and be extended up and down simultaneously.
As an example, the PCBA board 40 is equipped with the connector (not shown) being electrically connected with the pad, it is described
The end of a thread of each circular coil is electrically connected by connector with the pad in wireless charging transmitting coil 10.
As an example, as shown in figure 9, the circuit structure in the PCBA board 40 includes:
DC supply input circuit is connected to external power supply, for the wireless charging structure output direct current, with for
The wireless charging structure power supply；
Wireless charging control circuit is connected to the DC supply input circuit, fills for what is fed back according to demodulator circuit
The actuating coil information of power information and coil selector feedback, controls the DC supply input circuit and sends out to the wireless charging
Actuating coil power supply in ray circle；And the mistake fed back according to current monitoring circuit, electric voltage observation circuit or temperature observation circuit
Stream protection signal, overvoltage protection signal or overheat protector signal, turn off the charging operations of the wireless charging structure, to realize
Stream, over-voltage or overheat protector；
Coil selector is connected between the wireless charging control circuit and the wireless charging transmitting coil, is used for
The position of charging equipment is detected, and is selected from the wireless charging transmitting coil according to the location information of the charging equipment
Corresponding coil is selected as actuating coil, while to the wireless charging control circuit feedback operation coil information；
Resonance circuit is connected between the wireless charging control circuit and the wireless charging transmitting coil, and being used for will
Direct current is converted to alternating current, in order to make the wireless charging transmitting coil generate alternating magnetic field, by the alternating magnetic field into
Row magnetic field coupling is to excite the reception end-coil inside charging equipment, to realize the wireless charging of charging equipment；
Demodulator circuit is connected between the wireless charging control circuit and the wireless charging transmitting coil, for
Charging equipment is communicated, and to obtain the charge information of charging equipment, and is filled to wireless charging control circuit feedback
Power information；
Current monitoring circuit is connected between the wireless charging control circuit and the wireless charging transmitting coil, is used
It is greater than default electricity in the operating current for realizing actuating coil in the monitoring wireless charging transmitting coil, and in the operating current
When stream, judge at this time as current anomaly state, and feed back overcurrent protection signal to the wireless charging control circuit；
Electric voltage observation circuit is connected between the wireless charging control circuit and the wireless charging transmitting coil, is used
The operating voltage of actuating coil in the wireless charging transmitting coil described in real-time monitoring, and it is greater than default electricity in the operating voltage
When pressure, judge at this time as electric voltage exception state, and feed back overvoltage protection signal to the wireless charging control circuit；And
Temperature observation circuit is connected between the wireless charging control circuit and the wireless charging transmitting coil, is used
The temperature of actuating coil in the wireless charging transmitting coil described in real-time monitoring, and when monitoring temperature is higher than preset temperature, sentence
Disconnected be temperature anomaly state at this time, and feeds back overheat protector signal to the wireless charging control circuit.
Specifically, as shown in figure 9, circuit structure in the PCBA board 40 further include: it is automatically controlled to be connected to the wireless charging
The LED control circuit of circuit processed controls the light on and off of LED light for the working condition according to the wireless charging structure, with display
The working condition of the wireless charging structure.
Specifically, as shown in figure 9, circuit structure in the PCBA board 40 further include: it is defeated to be connected to the DC power supply
Enter the voltage protection circuit between circuit and the wireless charging transmitting coil, for carrying out to the wireless charging transmitting coil
Voltage protection.
Specifically, as shown in figure 9, circuit structure in the PCBA board 40 further include: it is automatically controlled to be connected to the wireless charging
The I2C communication interface circuit of circuit processed, is used to connect with external devices, with consult the wireless charging structure working condition and
Running parameter.
In conclusion a kind of wireless charging transmitting coil and wireless charging structure of the utility model, have beneficial below
Effect: the utility model passes through to each round wire in first coil arrangement layer, the second coil row layer of cloth and tertiary coil arrangement layer
The Position Design of circle, so that charging blind area minimizes, charged area is maximized, when avoiding wireless charging because of transmitting end-coil and
Receive end-coil dislocation and caused by charge efficiency decline, the problem of can not charging, not only increase charge efficiency, but also mention
The high position freedom of wireless charging device.Wireless charging structure described in the utility model is applicable to different portable electronic pieces
Equipment has many advantages, such as that versatile, charge efficiency is high.The utility model carries out each coil row layer of cloth by single coil structure
Design, have more flexibility and convenience.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (9)
1. a kind of wireless charging transmitting coil, which is characterized in that the wireless charging transmitting coil includes at least: with stacked on top
At least three layers of coil configuration layer that mode is arranged include the identical loop construction of multiple structures in each coil row layer of cloth, each described
Loop construction includes: the coil substrate equipped with lug boss, the circular coil being formed in the coil substrate, and described in perforation
The coil location hole of lug boss upper and lower surfaces；
First coil arrangement layer includes: to be set to conplane at least three First Line at least three layers of coil configuration layer
Coil structures, and it is tangent to each other between the circular coil in the adjacent first coil structure；
Second coil row layer of cloth include: be set to first coil arrangement layer and tertiary coil arrangement layer between at least one second
Loop construction；
Tertiary coil arrangement layer includes: to be set to conplane at least three tertiary coils structure, and the adjacent third
It is tangent to each other between circular coil in loop construction；
Wherein, phase each other in the center of circle of three circular coils tangent to each other and tertiary coil arrangement layer in first coil arrangement layer
The center of circle for three circular coils cut respectively constitutes an equilateral triangle, and the center of two equilateral triangles is in the stacking direction
It is overlapped, while being overlapped with the center of circle of a circular coil in the second coil row layer of cloth in stacking direction, to reduce the wireless charging
The charging blind area of transmitting coil.
2. wireless charging transmitting coil according to claim 1, which is characterized in that in any layer of three layers of coil configuration layer
Further include: at least one conplane the 4th loop construction, the 4th loop construction setting are set to its loop construction
On the outside of its loop construction, and it is tangent to each other between the circular coil in adjacent windings structure；Remaining two layers of coil row layer of cloth
Any layer in further include: be set at least one conplane the 5th loop construction, the 5th line with its loop construction
Coil structures are set on the outside of its loop construction, and tangent to each other between the circular coil in adjacent windings structure；Wherein, described
Circular coil in 5th loop construction is set to another two layers of coil configuration stacking and postpones in the charging blind area of generation.
3. wireless charging transmitting coil according to claim 1, which is characterized in that the first coil arrangement layer also wraps
Include: with the first coil structure setting at least one conplane the 4th loop construction, the 4th loop construction is set
It is placed in the outside of the first coil structure, and tangent to each other between the circular coil in adjacent windings structure；Described second
Coil row layer of cloth further include: it is set at least one conplane the 5th loop construction with second loop construction, it is described
5th loop construction is set to the outside of second loop construction, and between the circular coil in adjacent windings structure each other
It is tangent；The tertiary coil is arranged layer further include: with the tertiary coil structure setting in it is conplane at least one the 6th
Loop construction, the 6th loop construction are set to the outside of the tertiary coil structure, and the circle in adjacent windings structure
It is tangent to each other between shape coil；Wherein, the circular coil in the 6th loop construction is set to the first coil arrangement layer
It is postponed in the charging blind area of generation with second coil configuration stacking.
4. wireless charging transmitting coil according to claim 3, which is characterized in that first coil arrangement layer includes:
It is set to same plane and in the three first coil structures and three the 4th loop constructions of four column arrangements, wherein first row
In include two first coil structures, include a first coil structure in secondary series, include two in third column
4th loop construction includes the 4th loop construction, and circular coil in adjacent windings structure in the 4th column
Between it is tangent to each other；
The second coil row layer of cloth include: be set to same plane and in three column arrangement second loop constructions and
Three the 5th loop constructions, wherein include second loop construction in first row, include two described the in secondary series
Five loop constructions, third column in include the 5th loop construction, and in adjacent windings structure between circular coil that
This is tangent；
Tertiary coil arrangement layer include: be set to same plane and in three tertiary coil structures of four column arrangements and
Three the 6th loop constructions, wherein include a tertiary coil structure in first row, include two described the in secondary series
Three-winding structure, third column in include the 6th loop construction, the 4th column in include two the 6th loop constructions,
And it is tangent to each other between circular coil in adjacent windings structure.
5. wireless charging transmitting coil according to claim 1, which is characterized in that appoint in the wireless charging transmitting coil
The stacked area of one circular coil and the ratio of the circular coil gross area are 0.47~0.71.
6. wireless charging transmitting coil according to claim 1, which is characterized in that the thickness of any coil configuration layer is
0.31mm~0.41mm, the overall thickness of the wireless charging transmitting coil are 1mm~1.16mm.
7. a kind of wireless charging structure, which is characterized in that the wireless charging structure includes:
Pedestal；
It is installed on the magnetic masking layer of the base upper surface；
It is installed on the magnetic masking layer upper surface, wireless charging transmitting coil such as claimed in any one of claims 1 to 6；
It is installed on the PCBA board of the base lower surface；
Wherein, the end of a thread of each coil is electrically connected with the pad in the PCBA board in the wireless charging transmitting coil.
8. wireless charging structure according to claim 7, which is characterized in that the pedestal includes base body, positioning column
And mounting post, the positioning column are set to the upper surface of the base body, the mounting post is set to the following table of the base body
Face；
The magnetic masking layer is equipped with the magnetic screen location hole for penetrating through its upper and lower surfaces, and the magnetic masking layer passes through magnetic cup
It covers location hole and positioning column adaptation is installed on the upper surface of the base body；
The wireless charging transmitting coil is installed on the upper surface of the magnetic masking layer by coil location hole and positioning column adaptation；
The PCBA board is equipped with the mounting hole for penetrating through its upper and lower surfaces, and the PCBA board passes through mounting hole and mounting post
Adaptation is installed on the lower surface of the base body.
9. wireless charging structure according to claim 7 or 8, which is characterized in that be provided in the PCBA board with it is described
The connector of pad electrical connection, the end of a thread of each circular coil passes through connector and the pad in the wireless charging transmitting coil
Electrical connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856871.3U CN209000712U (en) | 2018-11-12 | 2018-11-12 | A kind of wireless charging transmitting coil and wireless charging structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821856871.3U CN209000712U (en) | 2018-11-12 | 2018-11-12 | A kind of wireless charging transmitting coil and wireless charging structure |
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| CN209000712U true CN209000712U (en) | 2019-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886722A (en) * | 2021-03-25 | 2021-06-01 | 深圳劲芯微电子有限公司 | Wireless charger and charging coil structure thereof |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886722A (en) * | 2021-03-25 | 2021-06-01 | 深圳劲芯微电子有限公司 | Wireless charger and charging coil structure thereof |
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Inventor after: Dai Fei Inventor after: Lin Yang Inventor after: Lin Tao Inventor after: Wang Jin Inventor before: Dai Fei Inventor before: Lin Yang Inventor before: Lin Tao Inventor before: Wang Jin |
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| CB03 | Change of inventor or designer information |