CN106329739A - Wireless energy emission mechanism, wireless energy receiving mechanism and electromagnetic coupling mechanism - Google Patents
Wireless energy emission mechanism, wireless energy receiving mechanism and electromagnetic coupling mechanism Download PDFInfo
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- CN106329739A CN106329739A CN201610978112.3A CN201610978112A CN106329739A CN 106329739 A CN106329739 A CN 106329739A CN 201610978112 A CN201610978112 A CN 201610978112A CN 106329739 A CN106329739 A CN 106329739A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 65
- 230000008878 coupling Effects 0.000 title claims abstract description 18
- 238000010168 coupling process Methods 0.000 title claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 18
- 230000005291 magnetic effect Effects 0.000 claims abstract description 316
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 229910000859 α-Fe Inorganic materials 0.000 claims description 32
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000035939 shock Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- H02J5/005—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
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- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a wireless energy emission mechanism, a wireless energy receiving mechanism and an electromagnetic coupling mechanism; the wireless energy emission mechanism comprises a ring disk shaped primary side coil and a primary side magnetic core consisting of a first T-shaped magnetic core and a second T-shaped magnetic core which are in central symmetry; the primary side magnetic core is attached to the ring disk face of the primary side coil; the wireless energy receiving mechanism comprises a rectangular disk shaped secondary side coil and a secondary side magnetic coil consisting of a T-shaped secondary side magnetic core and a stripe secondary side magnetic core which are in central symmetry; the secondary side magnetic core is attached on the rectangular disk face of the secondary side coil; the electromagnetic coupling mechanism couples the wireless energy emission mechanism with the wireless energy receiving mechanism so as to realize the transmission of wireless energy; the primary side magnetic core and the secondary side magnetic core are composed of multiple magnetic cores in the manner of center symmetry; this structure has better earthquake resistant effect in relative to the overspread magnetic core; thus the magnetic conductive effects of the primary side magnetic core and the secondary side magnetic core are more stable, and the primary side magnetic core and the secondary side magnetic core are convenient to produce and use.
Description
Technical field
The present invention relates to wireless power transmission technical field, be specifically related to wireless energy transmission mechanism, wireless energy reception
Mechanism and electromagnetic coupling mechanisms.
Background technology
Wireless power transmission be utilize a kind of special installation the electric energy of power supply is changed into can the energy of radio transmission, connecing
Wireless energy is transformed back into again electric energy by receiving end, thus realizes the wireless power to electrical appliance.Existing wireless power transmission is most
Use contactless charging technique, utilize electromagnetic induction principle, using two coils near as electromagnetic coupling mechanisms, when electric current exists
When one coil midstream moves, produced electromagnetic field becomes medium, causes also producing in another coil electromotive force.
Electromagnetic coupling mechanisms is during transmission energy, and magnetic circuit is affected by magnetic resistance, and air reluctance is relative to magnetic core
Magnetic resistance is relatively big, so in loop coil, using toroidal core to have a problem that, it is simply that the magnetic line of force is easy to inside magnetic core
Forming loop, so arising that the magnetic line of force is gathered in the core portion of primary coil, and being unfavorable for guiding to secondary the magnetic line of force
Sideline is enclosed, and causes the ability transmitting energy to reduce；And there is the problems such as frangible, shock resistance is poor, vapour in bigger toroidal core
Car occurs that vibrations are a kind of common phenomenons, so the index that anti-vibration requires need to be met, and annular shock resistance is the most weak, one
Denier magnetic core ruptures, and electromagnetic coupling mechanisms will be affected, and makes systematic parameter change, it is possible to makes system no longer be operated in humorous
Shake state, thus affect the transmission of energy.
Summary of the invention
Present invention solves the problem in that and a kind of lightweight and that electric energy transmission capacity is stable wireless energy transmission machine is provided
Structure, wireless energy receiving mechanism and electromagnetic coupling mechanisms.
Concrete technical scheme is as follows:
A kind of wireless energy transmission mechanism, including primary coil and former limit magnetic core, it it is critical only that: described former limit magnetic core bag
Including the T-shaped magnetic core of N bar first and the T-shaped magnetic core of N bar second, described first T-shaped magnetic core includes the first horizontal magnetic core and the first vertical magnetic
Core, the length of the described first horizontal magnetic core is less than the length of the described first vertical magnetic core；Described second T-shaped magnetic core includes that second is horizontal
To the vertical magnetic core of magnetic core and second, the length of the described second horizontal magnetic core more than the length of the described second vertical magnetic core, described the
The length of one vertical magnetic core is more than the length of the described second vertical magnetic core；Described primary coil is ring discoid coil, described
One T-shaped magnetic core and the second T-shaped magnetic core are attached on the annular anchor ring of described primary coil with alternateing, and the two is respectively in center
Being distributed symmetrically and evenly, the described first vertical magnetic core and the second vertical magnetic core all radially set along the annular disk surfaces of described primary coil
Put.
The technical scheme principle of wireless energy transmission mechanism, arranges former limit magnetic core on primary coil, is used for guiding magnetic force
The trend of line, so that the more magnetic line of force can pass through secondary coil；First T-shaped magnetic core of centrosymmetry setting and the 2nd T
After type core combination, be paved with magnetic core guide the magnetic line of force ability identical in the case of, the first T-shaped magnetic core and the second T-shaped magnetic
Shock resistance after core combination is more preferable than the shock resistance being paved with magnetic core, and the former limit that the first T-shaped magnetic core and the second T-shaped core combination become
Magnetic core lighter in weight.
For more preferably realizing a kind of wireless energy transmission mechanism, may further be:
The medial surface of the described first horizontal magnetic core is near the edge of described primary coil outermost one circle coiling；Described second is horizontal
To the edge of the close described primary coil outermost one circle coiling of the lateral surface of magnetic core, the structure so arranged, make former limit magnetic core draw
The effect of the magnetic conduction line of force is more preferable, makes Distribution of Magnetic Field evenly；
Described first T-shaped magnetic core and the second T-shaped magnetic core are spliced by bar shaped ferrite, the described first horizontal magnetic core bag
Including two described bar shaped ferrite, the described first vertical magnetic core includes a described bar shaped ferrite；Described second horizontal magnetic core
Including a described bar shaped ferrite, the described second vertical magnetic core includes two described bar shaped ferrite, ferritic magnetic conduction energy
Force rate is relatively strong, utilizes bar shaped ferrite to be spliced to form former limit magnetic core, and the shock resistance making former limit magnetic core is more preferable, and magnetic conduction effect is more steady
Fixed.
A kind of wireless energy receiving mechanism, including secondary coil and secondary magnetic core, it it is critical only that: described secondary magnetic core bag
Including N bar T-shaped secondary magnetic core and N bar bar shaped secondary magnetic core, described T-shaped secondary magnetic core includes horizontal secondary magnetic core and vertical secondary magnetic
Core, the length of described horizontal secondary magnetic core is more than the length of described vertical secondary magnetic core；
Described secondary coil is rectangular disk coil, and described T-shaped secondary magnetic core and bar shaped secondary magnetic core paste with alternateing
Being attached in the card of described secondary coil, the two is centrosymmetric respectively and is uniformly distributed, and sets in the card of described secondary coil
Having the annular spread district with described secondary coil central point as the center of circle, described vertical secondary magnetic core and bar shaped secondary magnetic core are all along institute
State being radially arranged of annular spread district.
The technical scheme principle of wireless energy receiving mechanism, arranges secondary magnetic core on secondary coil, is used for guiding magnetic force
The trend of line, so that the more magnetic line of force can pass secondary coil；T-shaped secondary magnetic core and bar shaped that centrosymmetry is arranged are secondary
After the core combination of limit, be paved with magnetic core guide the magnetic line of force ability identical in the case of, T-shaped secondary magnetic core and bar shaped secondary magnetic core
Shock resistance after combination is more preferable than the shock resistance being paved with magnetic core, and the secondary that T-shaped secondary magnetic core becomes with bar shaped secondary core combination
Magnetic core lighter in weight.
For more preferably realizing a kind of wireless energy receiving mechanism, may further be:
Described secondary magnetic core includes four described T-shaped secondary magnetic cores and four described bar shaped secondary magnetic cores, four described bars
Shape secondary magnetic core lays respectively on two diagonal of described secondary coil, and the lateral surface of four described horizontal secondary magnetic cores is close
The edge of the outermost one circle coiling of described secondary coil；The structure so arranged, makes secondary magnetic core guide the effect of the magnetic line of force more
Good, make Distribution of Magnetic Field evenly；
Described T-shaped secondary magnetic core and bar shaped secondary magnetic core are spliced by bar shaped ferrite, described horizontal secondary magnetic core
Including two described bar shaped ferrite, described vertical secondary magnetic core includes a described bar shaped ferrite, described bar shaped secondary magnetic
Core includes a described bar shaped ferrite；Ferritic magnetic conduction ability is stronger, utilizes bar shaped ferrite to be spliced to form secondary line
Circle, the shock resistance making secondary coil is more preferable, and magnetic conduction effect is more stable.
Based on the wireless energy transmission mechanism in foregoing invention and wireless energy receiving mechanism, it is also contemplated that another kind of sending out
Bright, electromagnetic coupling mechanisms, it it is critical only that: by described wireless energy transmission mechanism and described wireless energy receiving mechanism phase mutual coupling
Conjunction realizes wireless energy transfer.
The technical scheme principle of electromagnetic coupling structure, when transmitting energy between primary coil and secondary coil, described
Primary coil and secondary coil both sides are respectively provided with former limit magnetic core and secondary magnetic core, be used for guiding primary coil and secondary coil it
Between the magnetic line of force, make more magnetic line of force through secondary coil.
For preferably realizing a kind of electromagnetic coupling structure, may further be:
Described wireless energy transmission mechanism is additionally provided with former limit housing, and this former limit housing includes the first housing and the second shell
Body, the inner surface at described first housing offers primary coil storage tank, and described primary coil is installed in described primary coil
In storage tank；Inner surface at described second housing offers former limit magnetic core storage tank, and described former limit magnetic core storage tank includes
One T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank, described first T-shaped magnetic core and the second T-shaped magnetic core are installed in described respectively
In first T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank, so it is easy to carry and described wireless energy transmission machine is installed
Structure；
Described wireless energy receiving mechanism is additionally provided with secondary housing, and this secondary housing includes the 3rd housing and the 4th shell
Body, the inner surface at described 3rd housing offers secondary coil storage tank, and described secondary coil is installed in described secondary coil
In storage tank；Inner surface at described 4th housing offers secondary magnetic core storage tank, and described secondary magnetic core storage tank includes T-shaped
Secondary magnetic core storage tank and bar shaped secondary magnetic core storage tank, described T-shaped secondary magnetic core and bar shaped secondary magnetic core are installed in institute respectively
Stating in T-shaped secondary magnetic core storage tank and bar shaped secondary magnetic core storage tank, being so easy to carry and installing described wireless energy receives
Mechanism；
Dead slot is also distributed, so on the inner surface of described first housing, the second housing, the 3rd housing and the 4th housing
Can alleviate former limit housing and the weight of secondary housing, and reduce produce former limit housing and secondary housing use material.
The invention have the benefit that the mode group that former limit magnetic core and secondary magnetic core all use polylith magnetic core to be centrosymmetric
Become, be paved with magnetic core draw magnetic effect identical in the case of, alleviate wireless energy transmission mechanism respectively and wireless energy connect
Receiving the design weight of mechanism, it is simple to produce and use, meanwhile, the anti seismic efficiency that this structure is paved with magnetic core relatively is more preferable, thus
The magnetic conduction effect making former limit magnetic core and secondary magnetic core is more stable；Former limit magnetic core uses T-shaped core structure, can effectively prevent magnetic field from existing
Form closed loop at the magnetic core of former limit, make the more magnetic line of force through secondary coil, make the ability of wireless energy transfer become higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wireless energy transmission mechanism；
Fig. 2 is the structural representation of a kind of wireless energy receiving mechanism；
Fig. 3 is the mounting structure schematic diagram of primary coil and the first housing；
Fig. 4 is the mounting structure schematic diagram of former limit magnetic core and the second housing；
Fig. 5 is secondary coil and the mounting structure schematic diagram of the 3rd housing；
Fig. 6 is secondary magnetic core and the mounting structure schematic diagram of the 4th housing；
Fig. 7 is continuous annular magnet cored structure schematic diagram；
Fig. 8 is interrupted annular magnet cored structure schematic diagram；
Fig. 9 be under different core structure mutually inductance value with the change form of pickup end offset distance；
Figure 10 is different core structure mutual inductance curve of deviations；
Figure 11 is different core structure mutual inductance change curves.
Annotation: the first horizontal magnetic core is 1-1, and the first vertical magnetic core is 1-2, and the second horizontal magnetic core is 2-1, the second vertical magnetic
Core is 2-2, and primary coil is 3, and horizontal secondary magnetic core is 5-1, and vertical secondary magnetic core is 5-2, and bar shaped secondary magnetic core is 4, secondary
Coil is 6, and the first housing is 7-1, and the second housing is 7-2, and the 3rd housing is 8-1, and the 4th housing is 8-2, and dead slot is 9, continuously
Annulus magnetic core is 10, interrupted annulus magnetic core 11.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
As shown in Figure 1: a kind of wireless energy transmission mechanism, including primary coil 3 and former limit magnetic core, former limit magnetic core includes four
The T-shaped magnetic core of bar first and four the second T-shaped magnetic cores, the first T-shaped magnetic core includes the vertical magnetic core 1-of the first horizontal magnetic core 1-1 and first
2, the length of the first horizontal magnetic core 1-1 length less than the first vertical magnetic core 1-2；Second T-shaped magnetic core includes the second horizontal magnetic core
The vertical magnetic core 2-2 of 2-1 and second, the length of the second horizontal magnetic core 2-1 length more than the second vertical magnetic core 2-2, first is vertical
The length of magnetic core 1-2 is more than length 2-2 of the second vertical magnetic core；
Primary coil 3 is ring discoid coil, and the first T-shaped magnetic core and the second T-shaped magnetic core are attached to former limit with alternateing
On the annular anchor ring of coil 3, the two is centrosymmetric respectively and is uniformly distributed, the vertical magnetic core 2-2 of the first vertical magnetic core 1-2 and second
All being radially arranged along primary coil 3 annular disk surfaces；The medial surface of the first horizontal magnetic core 1-1 and primary coil 3 outermost one circle around
The edge in the vertical direction of line overlaps；The lateral surface of the second horizontal magnetic core 2-1 and the edge of primary coil 3 outermost one circle coiling
In the vertical direction overlaps；
First T-shaped magnetic core and the second T-shaped magnetic core can be one-body molded by modeling, it would however also be possible to employ the standardized bar of polylith
Shape ferrite is spliced, and in the present embodiment, the first T-shaped magnetic core and the second T-shaped magnetic core are by bar shaped standard-sized on market
Ferrite is spliced, the bar shaped ferrite a size of 4cm*9cm*1cm used in the magnetic core of former limit, the first horizontal magnetic core 1-1 bag
Including two bar shaped ferrite, the first vertical magnetic core 1-2 includes a bar shaped ferrite；Second horizontal magnetic core 2-1 includes a rule
Shape ferrite, the second vertical magnetic core 2-2 includes two bar shaped ferrite, and wherein, the splicing of bar shaped ferrite is it is critical that two-by-two
The end face of bar shaped ferrite overlaps.
As shown in Figure 2: a kind of wireless energy receiving mechanism, including secondary coil 6 and secondary magnetic core, secondary magnetic core includes four
Bar T-shaped secondary magnetic core and four bar shaped secondary magnetic cores 4, T-shaped secondary magnetic core includes horizontal secondary magnetic core 5-1 and vertical secondary magnetic core
5-2, the length of the horizontal secondary magnetic core 5-1 length more than vertical secondary magnetic core 5-2；
Secondary coil 6 is rectangular disk coil, and T-shaped secondary magnetic core and bar shaped secondary magnetic core 4 are attached to pair with alternateing
In the card of sideline circle 6, the two is centrosymmetric respectively and is uniformly distributed, and is provided with secondary coil 6 in the card of secondary coil 6
Central point is the annular spread district in the center of circle, and the radial direction of vertical secondary magnetic core 5-2 and bar shaped secondary magnetic core 4 the most annularly areal area sets
Put；
Secondary magnetic core includes four T-shaped secondary magnetic cores and four bar shaped secondary magnetic cores 4, and four bar shaped secondary magnetic cores 4 are respectively
It is positioned on two diagonal of secondary coil 6, the lateral surface of four horizontal secondary magnetic core 5-1 and outermost one circle of secondary coil 6
The edge in the vertical direction of coiling overlaps；
T-shaped secondary magnetic core and bar shaped secondary magnetic core 4 can be one-body molded by modeling, it would however also be possible to employ polylith is standardized
Bar shaped ferrite is spliced, and in the present embodiment, T-shaped secondary magnetic core and bar shaped secondary magnetic core 4 are by standard-sized on market
Bar shaped ferrite is spliced, the bar shaped ferrite a size of 4cm*4cm*1cm, horizontal secondary magnetic core 5-used in secondary magnetic core
1 includes that two bar shaped ferrite, vertical secondary magnetic core 5-2 include that a described bar shaped ferrite, bar shaped secondary magnetic core 4 include one
Bar bar shaped ferrite, wherein, splicing it is critical that the end face of bar shaped ferrite overlaps two-by-two of bar shaped ferrite.
As shown in Figures 1 to 6: a kind of electromagnetic coupling mechanisms, including embodiment wireless energy transmission mechanism and wireless energy
Outside all technical characteristics described in receiving mechanism, intercouple reality by wireless energy transmission mechanism and wireless energy receiving mechanism
The transmission of existing wireless energy；
Wireless energy transmission mechanism is additionally provided with former limit housing, and the size of former limit housing is 50cm*50cm*3cm, former limit shell
Body includes the first housing 7-1 and the second housing 7-2, and the inner surface at the first housing 7-1 offers primary coil storage tank, former limit
Coil 3 is installed in primary coil storage tank；Inner surface at the second housing 7-2 offers former limit magnetic core storage tank, former limit magnetic
Core storage tank includes that the first T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank, the first T-shaped magnetic core and the second T-shaped magnetic core are respectively
It is installed in the first T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank；First T-shaped magnetic core storage tank and the second T-shaped magnetic core hold
Put the size of groove, the first T-shaped magnetic core and the second T-shaped magnetic core just can be made respectively to be embedded in the inside；First housing 7-1 and
Second housing 7-2 tetra-angle is connected by screw rod is fixing, and the two makes former limit magnetic core just be attached to the annular of primary coil 3 after fastening
In card；
Wireless energy receiving mechanism is additionally provided with secondary housing, and the size of secondary housing is 30cm*30cm*3cm, secondary shell
Body includes the 3rd housing 8-1 and the 4th housing 8-2, and the inner surface at the 3rd housing 8-1 offers secondary coil storage tank, secondary
Coil 6 is installed in secondary coil storage tank；Inner surface at the 4th housing 8-2 offers secondary magnetic core storage tank, secondary magnetic
Core storage tank includes T-shaped secondary magnetic core storage tank and bar shaped secondary magnetic core storage tank, T-shaped secondary magnetic core and bar shaped secondary magnetic core 4
It is installed in respectively in T-shaped secondary magnetic core storage tank and bar shaped secondary magnetic core storage tank, at the first housing 7-1, the second housing 7-2,
Dead slot 9 is also distributed on the inner surface of the 3rd housing 8-1 and the 4th housing 8-2；T-shaped secondary magnetic core storage tank and bar shaped secondary magnetic
The size of core storage tank, just can make T-shaped secondary magnetic core and bar shaped secondary magnetic core 4 be embedded in the inside respectively, plays solid
Fixed T-shaped secondary magnetic core and bar shaped secondary magnetic core 4 act on, and the 3rd housing 8-1 and tetra-angles of the 4th housing 8-2 are fixing even by screw rod
Connecing, the two makes secondary magnetic core just be attached on secondary coil 6 after fastening；It addition, for the ease of primary coil 3 and secondary coil
6 circumscripted power lines, are further opened with wire hole, primary coil 3 and secondary coil 6 on the sidewall of former limit housing and secondary housing
Two terminal studs are outwards drawn by wire hole respectively.
For embodying the remarkable result of the present invention further, next for T-shaped magnetic core, continuous annulus magnetic core and interrupted annulus
Magnetic core is analyzed, as Fig. 7 to Figure 11 illustrates in the case of other experiment conditions are identical, and three's difference core structure
Mutual inductance value respectively with pickup end offset distance change situation, wherein the inductance value of transmitting terminal is 50uh, by the form of Fig. 9
With in the mutual inductance curve of deviation of Figure 10 it can be seen that former limit core structure in T-shaped magnetic core, the i.e. present invention, it is at secondary coil
And the distance between primary coil is during 0cm changes to 15cm, mutual inductance value changes to 22.307uh, phase from 47.184uh
In the case of Tong, the mutual inductance value of continuous annulus magnetic core changes to 14.225uh from 31.858uh, the mutual inductance value of interrupted annulus magnetic core from
35.804uh changes to 16.294uh, relative to the former limit magnetic core of other two kinds of core structures, identical at secondary core structure, with
Time pickup end offset distance change in the case of, the mutual induction amount that T-shaped core structure makes secondary coil receive is the most most；From figure
It can be seen that identical at secondary core structure in 11, simultaneously in the case of the change of pickup end offset distance, T-shaped magnetic core is used to tie
Structure former limit magnetic core, the rate of change transmitting inductance value between primary coil and secondary coil is minimum；
In sum, former limit magnetic core uses T-shaped core structure, can effectively prevent magnetic field from forming closed loop at the magnetic core of former limit,
Ensure there is the more magnetic line of force by secondary coil, make the efficiency of wireless energy transfer become higher.
Claims (10)
1. a wireless energy transmission mechanism, including primary coil and former limit magnetic core, it is characterised in that: described former limit magnetic core includes
The T-shaped magnetic core of N bar first and the T-shaped magnetic core of N bar second, described first T-shaped magnetic core includes the first horizontal magnetic core and the first vertical magnetic core,
The length of the described first horizontal magnetic core is less than the length of the described first vertical magnetic core；Described second T-shaped magnetic core includes that second is horizontal
Magnetic core and the second vertical magnetic core, the length of the described second horizontal magnetic core more than the length of the described second vertical magnetic core, described first
The length of vertical magnetic core is more than the length of the described second vertical magnetic core；
Described primary coil is ring discoid coil, and described first T-shaped magnetic core and the second T-shaped magnetic core are attached to institute with alternateing
Stating on the annular anchor ring of primary coil, the two is centrosymmetric respectively and is uniformly distributed, the described first vertical magnetic core and second vertical
Magnetic core is all radially arranged along the annular disk surfaces of described primary coil.
Wireless energy transmission mechanism the most according to claim 1, it is characterised in that: the medial surface of the described first horizontal magnetic core
Edge near described primary coil outermost one circle coiling；The lateral surface of the described second horizontal magnetic core is near described primary coil
The edge of an outer circle coiling.
Wireless energy transmission mechanism the most according to claim 1, it is characterised in that: the medial surface of the described first horizontal magnetic core
Edge near described primary coil outermost one circle coiling；The lateral surface of the described second horizontal magnetic core is near described primary coil
The edge of an outer circle coiling.
4. a wireless energy receiving mechanism, including secondary coil and secondary magnetic core, it is characterised in that: described secondary magnetic core includes
N bar T-shaped secondary magnetic core and N bar bar shaped secondary magnetic core, described T-shaped secondary magnetic core includes horizontal secondary magnetic core and vertical secondary magnetic
Core, the length of described horizontal secondary magnetic core is more than the length of described vertical secondary magnetic core；
Described secondary coil is rectangular disk coil, and described T-shaped secondary magnetic core and bar shaped secondary magnetic core are attached to alternateing
In the card of described secondary coil, and it is centrosymmetric respectively and is uniformly distributed, the card of described secondary coil is provided with institute
Stating the annular spread district that secondary coil central point is the center of circle, described vertical secondary magnetic core and bar shaped secondary magnetic core are all along described annular
Being radially arranged of areal area.
Wireless energy receiving mechanism the most according to claim 4, it is characterised in that: described secondary magnetic core includes described in four
T-shaped secondary magnetic core and four described bar shaped secondary magnetic cores, four described bar shaped secondary magnetic cores lay respectively at described secondary coil
Article two, on diagonal, the lateral surface of four described horizontal secondary magnetic cores is near the limit of the outermost one circle coiling of described secondary coil
Edge.
Wireless energy receiving mechanism the most according to claim 4, it is characterised in that: described T-shaped secondary magnetic core and bar shaped are secondary
Limit magnetic core is spliced by bar shaped ferrite, and described horizontal secondary magnetic core includes two described bar shaped ferrite, described vertically
Secondary magnetic core includes that a described bar shaped ferrite, described bar shaped secondary magnetic core include a described bar shaped ferrite.
7. an electromagnetic coupling mechanisms, it is characterised in that: include that the wireless energy transmission mechanism described in claim 1 and right are wanted
The wireless energy receiving mechanism described in 4, described wireless energy transmission mechanism is asked to intercouple with described wireless energy receiving mechanism
Realize wireless energy transfer.
Electromagnetic coupling mechanisms the most according to claim 7, it is characterised in that: described wireless energy transmission mechanism is additionally provided with
Former limit housing, this former limit housing includes the first housing and the second housing, and the inner surface at described first housing offers former sideline
Circle storage tank, described primary coil is installed in described primary coil storage tank；Inner surface at described second housing offers
Former limit magnetic core storage tank, described former limit magnetic core storage tank includes the first T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank, institute
State the first T-shaped magnetic core and the second T-shaped magnetic core is installed in described first T-shaped magnetic core storage tank and the second T-shaped magnetic core storage tank respectively
In.
Electromagnetic coupling mechanisms the most according to claim 8, it is characterised in that: described wireless energy receiving mechanism is additionally provided with
Secondary housing, this secondary housing includes the 3rd housing and the 4th housing, and the inner surface at described 3rd housing offers secondary line
Circle storage tank, described secondary coil is installed in described secondary coil storage tank；Inner surface at described 4th housing offers
Secondary magnetic core storage tank, described secondary magnetic core storage tank includes T-shaped secondary magnetic core storage tank and bar shaped secondary magnetic core storage tank, institute
State T-shaped secondary magnetic core and bar shaped secondary magnetic core is installed in described T-shaped secondary magnetic core storage tank respectively and bar shaped secondary magnetic core houses
In groove.
Electromagnetic coupling mechanisms the most according to claim 9, it is characterised in that: described first housing, the second housing,
Dead slot is also distributed on the inner surface of three housings and the 4th housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610978112.3A CN106329739B (en) | 2016-11-07 | 2016-11-07 | Wireless energy transmission mechanism, wireless energy receiving mechanism and electromagnetic coupling mechanisms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978112.3A CN106329739B (en) | 2016-11-07 | 2016-11-07 | Wireless energy transmission mechanism, wireless energy receiving mechanism and electromagnetic coupling mechanisms |
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| CN106329739A true CN106329739A (en) | 2017-01-11 |
| CN106329739B CN106329739B (en) | 2018-09-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110098667A (en) * | 2019-06-04 | 2019-08-06 | 安徽工程大学 | A kind of wireless charging system based on magnetic structure |
| CN112467889A (en) * | 2020-11-24 | 2021-03-09 | 国网江苏省电力有限公司 | Segmented guide rail type wireless energy transmitting mechanism with signal coil and transmission system |
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| CN106329739B (en) | 2018-09-18 |
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