CN202662446U - Novel wirelessly-charged loose coupling transformer - Google Patents
Novel wirelessly-charged loose coupling transformer Download PDFInfo
- Publication number
- CN202662446U CN202662446U CN2011204822859U CN201120482285U CN202662446U CN 202662446 U CN202662446 U CN 202662446U CN 2011204822859 U CN2011204822859 U CN 2011204822859U CN 201120482285 U CN201120482285 U CN 201120482285U CN 202662446 U CN202662446 U CN 202662446U
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- coil
- receiving coil
- cavity
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Abstract
The utility model discloses a novel wirelessly-charged loose coupling transformer, which comprises a transmitting coil and a receiving coil, wherein the transmitting coil comprises a cavity coil; the cavity coil is formed by coiling copper wires provided with cavities; the cavities of the copper wires of the cavity coil are filled with magnetic powder; multiple layers of high-temperature insulating rubber tapes are wound outside the cavity coil to form a slab coil; a plurality of ferrite bars are continuously adhered to the upper surface of the slab coil to form a magnetic yoke; the receiving coil comprises a receiving coil I which is the same as the transmitting coil and also comprises a receiving coil II and a receiving coil III which are identical in material of the slab coil and different in number of turns of the slab coil, and the receiving coil I, the receiving coil II and the receiving coil III are connected in parallel and sequentially and coaxially stacked from bottom to top; and the transmitting coil and the receiving coil are respectively fixed in a disc-shaped cavity. According to the novel wirelessly-charged loose coupling transformer, the magnetic powder is filled in the specific cavity wires, therefore the conductive and magnetic properties of the coil per se are further improved and the system efficiency and safety are better improved.
Description
Technical field
The utility model relates to the wireless charging field, is specifically related to the loosely coupled transformer of the novel radio charging in a kind of resonance Electromagnetic Coupling System that is applied to high-power wireless charging.
Background technology
Existing technology is for generally the sample theory (non-radiative electromagnetic energy resonant tunneling effect) of magnetic induction and magnetic resonance of charging electric vehicle.Occur similar technology at home and abroad and specialized in the electric automobile wireless charging.Its technology maturity could have been introduced to the market and developed! Seen from this point, utilized magnetic induction and mr techniques can satisfy the requirement of electric automobile! Ripe theory is the ICPT system now! Concrete principle is for having realized that with former secondary change compensation leakage inductance is larger because the coil coupling medium is air, general required power compensation.Form resonant circuit by series capacitance through-put power is compensated, to improve the power delivery ability, the power loss in the compensation transmission course.Used like this resonance principle in the magnetic resonance, can make the electric power transfer distance reach reasonable request.The controller of 2 ends carries out respectively the control of the relative motion of Based Intelligent Control and their magnetic core to load (battery pack) and power supply (electrical network), they use wireless transmission to carry out information exchange, can realize network-type management (how power supplys are to single load charging concept)!
Can find, overall structure is seen, the wireless technology that distortion is derived from transformer utilizes now ripe Design of Transformer theory and wireless high-frequency theory can realize work.Rely on ripe technology and complete electromagnetic theory to carry out the loosely coupled transformer analysis of wireless charging.Can get from experimentation, carry out the innovation of the structure of loosely coupled transformer, can better improve system effectiveness and fail safe.
The utility model content
The utility model purpose is exactly in order to remedy the defective of prior art, and the loosely coupled transformer of the novel radio charging in a kind of resonance Electromagnetic Coupling System that is applied to the high-power wireless charging is provided.
The utility model is achieved through the following technical solutions:
The loosely coupled transformer of novel radio charging, it is characterized in that: include transmitting coil, receiving coil, described transmitting coil includes a cavity coil, described cavity coil is to be coiled to form by the copper wire with cavity, be filled with the magnetic conduction powder in the cavity of the copper wire of described cavity coil, described cavity coil twines the multi-layer high-temperature insulating tape outward and consists of a slab coil, and described slab coil upper surface is pasted continuously a plurality of ferrite bars and consisted of yoke; Described receiving coil includes a receiving coil identical with transmitting coil one, also comprise two but receiving coil two, receiving coils three that coil turn different identical from described slab coil material, the coil turn of described receiving coil three is less than the coil turn of receiving coil two, the coil turn of described receiving coil two is less than the coil turn of receiving coil one, coaxial stacking successively from bottom to up after described receiving coil one, receiving coil two, receiving coil three parallel connections; Described transmitting coil, receiving coil are individually fixed in the plate-like cavity.
The loosely coupled transformer of described a kind of novel radio charging, it is characterized in that: described receiving coil three lacks three circles than the coil turn of receiving coil two, and described receiving coil two lacks three circles than the coil turn of receiving coil one.
The loosely coupled transformer of described a kind of novel radio charging is characterized in that: the slab coil upper surface of described transmitting coil and receiving coil one is pasted 36 ferrite bars continuously.
The loosely coupled transformer of described a kind of novel radio charging, it is characterized in that: the material of described plate-like cavity is the iron based nano crystal material.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model uses distinctive cavity wire rod, during fill the magnetic conduction powder, further improve the conductive magnetic properties of coil itself, better improve system effectiveness and fail safe.
Description of drawings
Fig. 1 is the front view of transmitting coil of the present utility model.
Fig. 2 is the front view of receiving coil of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the loosely coupled transformer of novel radio charging, include transmitting coil, receiving coil, described transmitting coil includes a cavity coil, described cavity coil is to be coiled to form by the copper wire with cavity, be filled with the magnetic conduction powder in the cavity of the copper wire of described cavity coil, described cavity coil twines the multi-layer high-temperature insulating tape outward and consists of a slab coil 1, and described slab coil 1 upper surface is pasted continuously a plurality of ferrite bars 2 and consisted of yoke; Described receiving coil includes a receiving coil identical with transmitting coil 1, also comprise two but receiving coil two 4, receiving coils three 5 that coil turn different identical from described slab coil 1 material, the coil turn of described receiving coil 35 is less than the coil turn of receiving coil 24, the coil turn of described receiving coil 24 is less than the coil turn of receiving coil 1, coaxial stacking successively from bottom to up after described receiving coil 1, receiving coil 24, receiving coil 35 parallel connections; Described transmitting coil, receiving coil are individually fixed in the plate-like cavity 6.
Described receiving coil 35 lacks three circles than the coil turn of receiving coil 24, and described receiving coil 24 lacks three circles than the coil turn of receiving coil 1.
Slab coil 1 upper surface of described transmitting coil and receiving coil 1 is pasted 36 ferrite bars continuously.
The material of described plate-like cavity 6 is the iron based nano crystal material.
Claims (4)
1. the loosely coupled transformer of novel radio charging, it is characterized in that: include transmitting coil, receiving coil, described transmitting coil includes a cavity coil, described cavity coil is to be coiled to form by the copper wire with cavity, be filled with the magnetic conduction powder in the cavity of the copper wire of described cavity coil, described cavity coil twines the multi-layer high-temperature insulating tape outward and consists of a slab coil, and described slab coil upper surface is pasted continuously a plurality of ferrite bars and consisted of yoke; Described receiving coil includes a receiving coil identical with transmitting coil one, also comprise two but receiving coil two, receiving coils three that coil turn different identical from described slab coil material, the coil turn of described receiving coil three is less than the coil turn of receiving coil two, the coil turn of described receiving coil two is less than the coil turn of receiving coil one, coaxial stacking successively from bottom to up after described receiving coil one, receiving coil two, receiving coil three parallel connections; Described transmitting coil, receiving coil are individually fixed in the plate-like cavity.
2. the loosely coupled transformer of a kind of novel radio charging according to claim 1, it is characterized in that: described receiving coil three lacks three circles than the coil turn of receiving coil two, and described receiving coil two lacks three circles than the coil turn of receiving coil one.
3. the loosely coupled transformer of a kind of novel radio charging according to claim 1 is characterized in that: 36 ferrite bars of the continuous stickup of the slab coil upper surface of described transmitting coil and receiving coil one.
4. the loosely coupled transformer of a kind of novel radio charging according to claim 1, it is characterized in that: the material of described plate-like cavity is the iron based nano crystal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204822859U CN202662446U (en) | 2011-11-29 | 2011-11-29 | Novel wirelessly-charged loose coupling transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204822859U CN202662446U (en) | 2011-11-29 | 2011-11-29 | Novel wirelessly-charged loose coupling transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662446U true CN202662446U (en) | 2013-01-09 |
Family
ID=47457334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204822859U Expired - Fee Related CN202662446U (en) | 2011-11-29 | 2011-11-29 | Novel wirelessly-charged loose coupling transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2533833A (en) * | 2015-06-22 | 2016-07-06 | Univ Bristol | Wireless sensor |
| CN112290634A (en) * | 2020-11-03 | 2021-01-29 | Tcl通讯（宁波）有限公司 | Charging device |
-
2011
- 2011-11-29 CN CN2011204822859U patent/CN202662446U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2533833A (en) * | 2015-06-22 | 2016-07-06 | Univ Bristol | Wireless sensor |
| GB2533833B (en) * | 2015-06-22 | 2016-12-14 | Univ Bristol | Wireless ultrasound sensor with two induction coils |
| US11927568B2 (en) | 2015-06-22 | 2024-03-12 | The University Of Bristol | Double inductance coils for powering wireless ultrasound transducers |
| CN112290634A (en) * | 2020-11-03 | 2021-01-29 | Tcl通讯（宁波）有限公司 | Charging device |
| CN112290634B (en) * | 2020-11-03 | 2022-08-05 | Tcl通讯（宁波）有限公司 | Charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI GUOXUAN HIGH-TECH POWER ENERGY CO., LTD. Free format text: FORMER NAME: HEFEI GUOXUAN HIGH-TECH POWER ENERGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Patentee after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Patentee before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Patentee after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230000 Yaohai Industrial Park, Anhui, Hefei No. D weft Road, No. 7 Patentee before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20201129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |