CN107294217A - A kind of non-contact type apparatus for transmitting electric energy - Google Patents
A kind of non-contact type apparatus for transmitting electric energy Download PDFInfo
- Publication number
- CN107294217A CN107294217A CN201710494704.2A CN201710494704A CN107294217A CN 107294217 A CN107294217 A CN 107294217A CN 201710494704 A CN201710494704 A CN 201710494704A CN 107294217 A CN107294217 A CN 107294217A
- Authority
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- China
- Prior art keywords
- electric energy
- coil
- bridge circuit
- magnetic core
- contact type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 230000005611 electricity Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of non-contact type apparatus for transmitting electric energy, including the battery bag and device for converting electric energy transmitted based on non-contact type electric energy.Battery bag based on non-contact type electric energy transmission includes matrix magnetic core, receiving coil, the skeleton for being wound with coil, the bridge circuit being connected with coil, the battery pack being connected with bridge circuit, and matrix magnetic core bottom design has breeder tube.Device for converting electric energy, including convex magnetic core, transmitting coil, the bridge circuit being connected with coil, the power supply being connected with bridge circuit, transmitting coil are wound on convex magnetic core.The switching tube in parallel with diode reverse is equipped with bridge circuit.The contactless electric energy transfer function of machinery can be achieved in the present invention, by the switching sequence for controlling receiving coil side switching tube and transmitting coil side switching tube, battery bag is realized electric energy contactless efficient, transmitted in both directions with the device for converting electric energy inside grid side or electric automobile under different electricity, meet battery bag efficiently charging and the convenient demand for changing electricity.
Description
Technical field:
The present invention relates to electricity field, more particularly to electric energy transmission technology, particularly a kind of non-contact type electric energy transmission dress
Put.
Background technology:
In the prior art, electric automobile changes electric battery bag, mostly realizes electricity by the connection of wire and plug and socket
It can transmit, this power supply mode directly contacted is vulnerable to the influence of the burn into water, dust and dirt in the external world, in hot plugging
During, electric arc not only occurs, can also abrasion be produced to charging inlet.
The content of the invention：
It is an object of the invention to provide a kind of non-contact type apparatus for transmitting electric energy, described this non-contact type electric energy is passed
Defeated device will solve battery bag wire and plug in the prior art and this direct contact power supply mode of socket connection is vulnerable to outside
Boundary's influence, the technical problem that electric arc and the charging inlet that weares and teares occurs during hot plugging.
This non-contact type apparatus for transmitting electric energy of the present invention, including the battery bag and electricity transmitted based on non-contact type electric energy
Matrix magnetic core, first coil, coil bone are provided with energy conversion equipment, the battery bag transmitted based on non-contact type electric energy
Convex magnetic core, the second coil, the second bridge-type are provided with frame, the first bridge circuit and battery pack, described device for converting electric energy
Circuit and power supply, wherein, the matrix magnetic core and the convex of device for converting electric energy of the battery bag that described non-contact type electric energy is transmitted
Magnetic core is coupled, and is provided with coil rack in described matrix magnetic core, described first coil is looped around on coil rack, described
The two ends of first coil are connected with the first bridge circuit, and four switching tubes are provided with the first described bridge circuit, described
Four switching tubes are connected in antiparallel four diodes in the first bridge circuit, the output end of first bridge circuit respectively
With battery pack connection, the second described coil encircling is arranged on convex magnetic core periphery, the two ends of the second coil and the second bridge-type electricity
Road is connected, and four switching tubes is provided with the second described bridge circuit, four described switching tubes are connected in antiparallel respectively
Four diodes in second bridge circuit, the output end of the second described bridge circuit is connected with power supply.
Further, the bottom of matrix magnetic core is provided with a plurality of breeder tubes.
Further, first coil, the material of the second coil are made up of litz wire or copper foil.
Further, switching tube uses wholly-controled device.
Further, convex magnetic core and matrix magnetic core are using high-permeability materials such as ultracrystallite, the amorphous of same attribute.
Further, the first bridge circuit and the second bridge circuit are half-bridge circuit.
The present invention compares with prior art, and its effect is positive and obvious.This non-contact type electric energy of the present invention
Transmitting device, including the battery bag and device for converting electric energy transmitted based on non-contact type electric energy.Based on non-contact type electric energy transmission
Battery bag in be provided with matrix magnetic core, receiving coil (transmitting coil), the skeleton for being wound with coil, be connected with coil bridge-type electricity
Road, the battery pack being connected with bridge circuit, matrix magnetic core bottom design have breeder tube.The two ends connection one of battery bag interior loop
Individual rectifier bridge, two output ends of the rectifier bridge connect the positive pole and negative pole of battery pack respectively.It is provided with device for converting electric energy convex
Type magnetic core, transmitting coil (receiving coil), the bridge circuit being connected with coil, the power supply being connected with bridge circuit, it is characterized in that
Coil is wound on convex magnetic core, and the two ends of coil connect a rectifier bridge, and two output ends of the rectifier bridge connect power supply respectively
Positive pole and negative pole.The matrix magnetic core and the convex magnetic core coupling of device for converting electric energy of the battery bag of described non-contact type electric energy transmission
Close.The matrix magnetic core in battery bag transmitted based on non-contact type electric energy is used with the convex magnetic core in device for converting electric energy to be had
The high-permeability materials such as ultracrystallite, the amorphous of same attribute, coil windings are by the wire coiling such as litz wire, copper foil, bridge-type electricity
The switching tube on road uses wholly-controled device, and reverse parallel connection fast recovery diode respectively.
When battery bag charges, coil in matrix magnetic core is wound on as receiving coil, the coil in device for converting electric energy
It is used as transmitting coil；When battery bag is discharged, coil in matrix magnetic core is wound on as transmitting coil, in device for converting electric energy
Coil is used as receiving coil.The turn ratio number and winding method of transmitting coil and receiving coil can be carried out with actual conditions as needed
A certain degree of adjustment so that in the case that the battery bag in the present invention can preferably be operated in different voltages.
The present invention is when with power network docking, and the battery bag based on non-contact type electric energy transmission is in charging, grid side power supply
The receiving coil connected in bridge inverter main circuit, output the connection transmitting coil, with battery bag of bridge inverter main circuit constitutes transformation
Receiving coil in the former secondary coil of device, battery bag is charged by bridge rectifier to battery pack.When the electricity in battery bag
During energy feedback grid, the battery pack connection bridge inverter main circuit in battery bag, the output connection transmitting coil of bridge inverter main circuit,
The receiving coil constituted with the receiving coil in device for converting electric energy in the former secondary coil of transformer, device for converting electric energy passes through
Bridge rectifier is to grid side feedback electric energy.
When battery bag charges, the power supply of grid side exports square-wave signal by the bridge inverter main circuit of device for converting electric energy
uAB, the input signal u of rectification side is known by the duality of circuitCDIt is also square wave voltage signal, now uABThe advanced u of voltage-phaseCD
Voltage-phase；When battery bag is to power network feedback energy, battery pack is by bridge inverter main circuit output square wave electricity in battery bag
Press signal uCD, the input signal u of rectification side is known by the duality of circuitABIt is also square wave voltage signal, now uCDVoltage-phase
Advanced uABVoltage-phase.
The present invention is in electric automobile internal work, and the battery bag transmitted based on non-contact type electric energy is carried to electric automobile
During power supply energy, battery pack connection bridge inverter main circuit, the output connection transmitting coil of bridge inverter main circuit, with device for converting electric energy
The receiving coil that interior receiving coil is constituted in the former secondary coil of transformer, device for converting electric energy is given by bridge rectifier
Power supply provides energy, the motor for driving electric automobile.When electric automobile is in regenerative braking state, device for converting electric energy
Interior electric energy is delivered to the receiving coil inside battery bag by the transmitting coil being connected with bridge circuit, by bridge rectifier electricity
Road is that battery pack is charged.
When device for converting electric energy of the battery bag into electric automobile provides energy, the battery pack in battery bag is through bridge type
Inverter circuit output square wave voltage signal uCD, the input signal u of rectification side is known by the duality of circuitABIt is also voltage square wave letter
Number, now uCDThe advanced u of voltage-phaseABVoltage-phase.When electric automobile regenerative braking, the power supply of device for converting electric energy
By bridge inverter main circuit output square wave voltage signal uAB, the input signal u of rectification side is known by the duality of circuitCDThe side of being also
Wave voltage signal, now uABThe advanced u of voltage-phaseCDVoltage-phase.
The present invention applies suitable control by monitoring the information of voltage inside battery bag in real time to the switching tube in battery bag
Signal processed, makes the battery pack in battery bag to complete the ZVT in full-load range in different electricity, and subtract
The flowing of small quadergy, completes the high efficiency of transmission of electric energy.Bridge circuit can also use half-bridge circuit, and remaining and structure are similar,
The simple replacement of the circuit switch element is within the scope of the present invention.The device for converting electric energy being previously mentioned in the present invention is not
It is confined in electric automobile, the other embodiments of any use motor work are within the scope of the present invention.
Compared with prior art, the present invention provides a kind of contactless energy transmission means, can be in full-load range
The ZVT of switching tube is realized, and can be operated under charge and discharge mode, the efficiency of transmission of electric energy is substantially increased.Institute
The battery bag transmitted based on non-contact type electric energy is stated in charging, two bridge circuits can be reduced by the sequential of controlling switch pipe
Between reactive power flowing, further improve electric energy efficiency of transmission.
Brief description of the drawings：
Fig. 1 is the structural representation of the non-contact type apparatus for transmitting electric energy of the present invention.
Structural representation when Fig. 2 is non-contact type apparatus for transmitting electric energy and the power network docking of the present invention.
Fig. 3 is structural representation of the non-contact type apparatus for transmitting electric energy of the present invention in electric automobile internal work.
Fig. 4 is convex core structure schematic diagram.
Fig. 5 is matrix core structure schematic diagram.
Fig. 6 is the structural representation of convex magnetic core and matrix magnetic core coupling operational.
Embodiment：
Embodiment one:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, non-contact type apparatus for transmitting electric energy of the invention, including based on
The battery bag S1 and device for converting electric energy S2 of non-contact type electric energy transmission, the battery bag transmitted based on non-contact type electric energy
Matrix magnetic core 1, first coil 3, coil rack 2, the first bridge circuit B1 and battery pack V are provided with S1bat, described electric energy
Convex magnetic core 7, the second coil 6, the second bridge circuit B2 and power supply U are provided with conversion equipment S2, wherein, described noncontact
Matrix magnetic core 1 in the battery bag S1 of formula electric energy transmission is coupled with the convex magnetic core 7 in device for converting electric energy S2, described matrix
Coil rack 2 is provided with magnetic core 1, described first coil 3 is looped around on coil rack 2, the two ends of described first coil 3
C, D are connected with the first bridge circuit B1, and four switching tubes S5, S6, S7 and S8, institute are provided with the first described bridge circuit B1
Four the switching tubes S5, S6, S7 and S8 stated are connected in antiparallel four diodes L5, L6, L7 in the first bridge circuit respectively
And L8, the first bridge circuit B1 output end and battery pack VbatConnection, the second described coil 6 is circumferentially positioned at convex
The periphery of magnetic core 7, the ends A of the second coil 6, B are connected with the second bridge circuit B2, are provided with the second described bridge circuit B2
Four switching tubes S1, S2, S3 and S4, it is electric that four described switching tubes S1, S2, S3 and S4 are connected in antiparallel the second bridge-type respectively
Four diodes L1, L2, L3 and L4 in the B2 of road, the output end of the second described bridge circuit B2 are connected with power supply U.
Further, the bottom of matrix magnetic core 1 is provided with a plurality of breeder tubes 4.
Further, first coil 3, the material of the second coil 6 are made up of litz wire or copper foil.
Further, switching tube S1, S2, S3, S4, S5, S6, S7 and S8 use wholly-controled device.
Further, convex magnetic core 7 and matrix magnetic core 1 are using high-permeability materials such as ultracrystallite, the amorphous of same attribute.
Further, the first bridge circuit B1 and the second bridge circuit B2 replace with half-bridge circuit.
Battery bag S1 in the present invention can realize the contactless electric energy transfer function of machinery with device for converting electric energy S2.It is logical
Cross control receiving coil (transmitting coil) 6 side S1, S2, S3 and S4 and transmitting coil (receiving coil) 3 side S5, S6, S7 and S8
Switching sequence, makes battery bag to realize that electric energy is non-with the device for converting electric energy inside grid side or electric automobile under different electricity
Efficient, the transmitted in both directions of contact, meet battery bag efficiently charging and the convenient demand for changing electricity.
Claims (6)
1. a kind of non-contact type apparatus for transmitting electric energy, including the battery bag and electric energy converting means transmitted based on non-contact type electric energy
Put, matrix magnetic core, first coil, coil rack, first are provided with the battery bag transmitted based on non-contact type electric energy
Convex magnetic core, the second coil, the second bridge circuit and electricity are provided with bridge circuit and battery pack, described device for converting electric energy
Source, it is characterised in that：The matrix magnetic core and the convex magnetic of device for converting electric energy of the battery bag of described non-contact type electric energy transmission
Core is coupled, and is provided with coil rack in described matrix magnetic core, described first coil is looped around on coil rack, and described the
The two ends of one coil are connected with the first bridge circuit, and four switching tubes, described four are provided with the first described bridge circuit
Individual switching tube is connected in antiparallel four diodes in the first bridge circuit respectively, the output end of first bridge circuit and
Battery pack is connected, and the second described coil encircling is arranged on convex magnetic core periphery, the two ends of the second coil and the second bridge circuit
It is connected, is provided with four switching tubes in the second described bridge circuit, four described switching tubes is connected in antiparallel the respectively
Four diodes in two bridge circuits, the output end of the second described bridge circuit is connected with power supply.
2. non-contact type apparatus for transmitting electric energy as claimed in claim 1, it is characterised in that：The bottom of described matrix magnetic core is set
It is equipped with a plurality of breeder tubes.
3. non-contact type apparatus for transmitting electric energy as claimed in claim 1, it is characterised in that：Described first coil, the second line
The material of circle is made up of litz wire or copper foil.
4. non-contact type apparatus for transmitting electric energy as claimed in claim 1, it is characterised in that：Described switching tube is using full control
Type device.
5. non-contact type apparatus for transmitting electric energy as claimed in claim 1, it is characterised in that：Described convex magnetic core and matrix magnetic
Core is using high-permeability materials such as ultracrystallite, the amorphous of same attribute.
6. non-contact type apparatus for transmitting electric energy as claimed in claim 1, it is characterised in that：The first described bridge circuit and
Two bridge circuits are half-bridge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494704.2A CN107294217A (en) | 2017-06-26 | 2017-06-26 | A kind of non-contact type apparatus for transmitting electric energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494704.2A CN107294217A (en) | 2017-06-26 | 2017-06-26 | A kind of non-contact type apparatus for transmitting electric energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107294217A true CN107294217A (en) | 2017-10-24 |
Family
ID=60098180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494704.2A Pending CN107294217A (en) | 2017-06-26 | 2017-06-26 | A kind of non-contact type apparatus for transmitting electric energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107294217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111725898A (en) * | 2019-03-18 | 2020-09-29 | 蔻林科技发展(上海)有限公司 | Non-metal contact electric energy transmission connecting device |
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2017
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| DE102007050382A1 (en) * | 2007-10-22 | 2009-04-23 | Braun Gmbh | Induction coil arrangement for e.g. shaver, has primary coil winding arranged in middle region of primary-side coil core, where middle region is curved towards secondary-side coil core in charging condition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111725898A (en) * | 2019-03-18 | 2020-09-29 | 蔻林科技发展(上海)有限公司 | Non-metal contact electric energy transmission connecting device |
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