CN114123549A - Double-circuit independent wireless charging system - Google Patents
Double-circuit independent wireless charging system Download PDFInfo
- Publication number
- CN114123549A CN114123549A CN202111417362.7A CN202111417362A CN114123549A CN 114123549 A CN114123549 A CN 114123549A CN 202111417362 A CN202111417362 A CN 202111417362A CN 114123549 A CN114123549 A CN 114123549A
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- Prior art keywords
- charging
- wireless charging
- coil
- independent wireless
- charging system
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- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
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- 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
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a double-path independent wireless charging system which comprises a double-path wireless charging module, a charging connecting wire and a control module; the two-way wireless charging module comprises a nanocrystalline flexible soft magnetic alloy guide sheet, a first charging coil and a second charging coil; the nanocrystalline flexible soft magnetic alloy guide plate is provided with an upper surface and a lower surface; the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet and are connected with the control module through the charging connecting wire. According to the utility model, the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet, so that double-path independent wireless charging can be realized, two electronic products can be wirelessly charged or one electronic product can be wirelessly charged without distinguishing the front side and the back side, the convenience of wireless charging is greatly improved, and the use experience of a user is improved.
Description
Technical Field
The utility model relates to the technical field of wireless charging, in particular to a double-path independent wireless charging system.
Background
The wireless charging technology is a novel technology for charging by utilizing the electromagnetic induction principle. The existing wireless charging technology generally includes a transmitting coil and a receiving coil, wherein the transmitting coil is connected to a wired power supply and converts electric energy into electromagnetic energy, and the receiving coil receives the electromagnetic energy from the transmitting coil through electromagnetic induction, so as to generate current for charging a battery or supplying power to equipment. Nowadays, charging technology of more and more electronic products, such as smart phones, tablet computers, wireless headsets, smart watches, etc., gradually develops to be wireless.
However, at present, the wireless charging technology in the market not only supports single-path wireless charging, that is, only one electronic product capable of being wirelessly charged can be charged, but also requires that the electronic product be placed on the side with the transmitting coil to be charged, so that in the using process, the phenomenon that the electronic product is not charged due to the misplaced side often occurs, and the using experience of a user is seriously influenced.
Therefore, there is a need for improvements in the prior art.
The above information is given as background information only to aid in understanding the present disclosure, and no determination or admission is made as to whether any of the above is available as prior art against the present disclosure.
Disclosure of Invention
The utility model provides a double-path independent wireless charging system, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a double-path independent wireless charging system comprises a double-path wireless charging module, a charging connecting wire and a control module; wherein the content of the first and second substances,
the two-way wireless charging module comprises a nanocrystalline flexible soft magnetic alloy guide sheet, a first charging coil and a second charging coil;
the nanocrystalline flexible soft magnetic alloy guide plate is provided with an upper surface and a lower surface;
the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet and are connected with the control module through the charging connecting wire.
Further, in the two-way independent wireless charging system, the two-way wireless charging module further comprises a first shell;
the nanocrystalline flexible soft magnetic alloy guide sheet, the first charging coil and the second charging coil are all arranged in the first shell.
Further, in the two-way independent wireless charging system, the number of the first charging coils is at least two;
at least two first charging coils are arranged in an overlapping mode.
Further, in the two-way independent wireless charging system, at least two second charging coils are provided;
at least two second charging coils are arranged in an overlapping mode.
Further, in the two-way independent wireless charging system, the first charging coil and the second charging coil are both oxygen-containing copper coils.
Further, in the two-way independent wireless charging system, the charging connecting line comprises a charging harness and a flexible magnetic-based polyester fabric;
the flexible magnetic-based polyester fabric is coated on the outer surface of the charging harness.
Further, in the two-way independent wireless charging system, the control module comprises a circuit board and a microprocessor;
the microprocessor is disposed on the circuit board.
Further, in the two-way independent wireless charging system, the control module further comprises a CAN bus interface and/or a LIN bus interface;
the CAN bus interface and/or the LIN bus interface are/is arranged on the circuit board and connected with the microprocessor.
Further, in the two-way independent wireless charging system, the control module further comprises a near field communication chip;
the near field communication chip is arranged on the circuit board and is connected with the microprocessor.
Further, in the two-way independent wireless charging system, the control module further comprises a second housing;
the second shell is a plastic shell doped with electromagnetic shielding particles;
the circuit board and the microprocessor are both arranged in the second shell.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the two-way independent wireless charging system provided by the embodiment of the utility model, the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet, so that two-way independent wireless charging can be realized, two electronic products can be wirelessly charged or one electronic product can be wirelessly charged without distinguishing the front side and the back side, the convenience of wireless charging is greatly improved, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural top view of a two-way independent wireless charging system according to an embodiment of the present invention;
fig. 2 is a schematic structural side view of a two-way independent wireless charging system according to an embodiment of the present invention;
fig. 3 is a schematic structural bottom view of a two-way independent wireless charging system according to an embodiment of the present invention.
Reference numerals:
the flexible soft magnetic alloy conducting strip of nanometer crystal 1, first charging coil 2, second charging coil 3, charging wire bundle 4, flexible magnetism base dacron 5, circuit board 6, microprocessor 7, CAN bus interface 8, LIN bus interface 9, near field communication chip 10, second casing 11.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Example one
In view of the above-mentioned drawbacks of the conventional wireless charging technology, the applicant of the present invention has made extensive practical experience and professional knowledge in many years based on the field design and manufacture, and has actively researched and innovated in cooperation with the application of theory, so as to hopefully create a technology capable of solving the drawbacks of the conventional technology, and make the wireless charging technology more practical. After continuous research and design and repeated trial production and improvement, the utility model with practical value is finally created.
Referring to fig. 1 to 3, an embodiment of the utility model provides a two-way independent wireless charging system, including a two-way wireless charging module, a charging connection line, and a control module; wherein the content of the first and second substances,
the two-way wireless charging module comprises a nanocrystalline flexible soft magnetic alloy guide sheet 1, a first charging coil 2 and a second charging coil 3;
the nanocrystalline flexible soft magnetic alloy guide plate 1 is provided with an upper surface and a lower surface;
It should be noted that, compared with the conventional rigid ferrite, the nanocrystalline flexible soft magnetic alloy guide plate 1 not only realizes high magnetic conductivity saturation ratio under the condition of ultra-thin volume, but also can reduce heat productivity while the charging efficiency is high, and can be bent and deformed, thereby being greatly convenient for installation and arrangement of forms of different product appearances.
In this embodiment, the two-way wireless charging module further includes a first housing;
flexible soft magnetic alloy guide plate of nanometer crystalline substance 1, first charging coil 2 and second charging coil 3 all set up in the first casing.
It should be noted that, it may be determined whether the first housing is needed according to actual situations, for example, when the two-way independent wireless charging system is used as a portable charger, the two-way wireless charging module needs the first housing to cover the nanocrystalline flexible soft magnetic alloy guide strip 1, the first charging coil 2 and the second charging coil 3, and when the two-way independent wireless charging system is integrated on an armrest box of an automobile, the two-way wireless charging module may be directly embedded on the armrest box, and the first housing is not needed any more.
In the present embodiment, the number of the first charging coils 2 is at least two; at least two first charging coils 2 are overlapped.
Likewise, the number of the second charging coils 3 is at least two; at least two of the second charging coils 3 are arranged to overlap.
It should be noted that, in this embodiment, three first charging coils 2 and three second charging coils 3 are taken as an example, and the advantage of adopting the overlapping arrangement of the multiple coils is that, compared with the conventional single coil, not only the charging range is widened, but also the smooth and uninterrupted charging effect of each coil is realized, some special scenes are avoided, for example, the problem of accidental charging interruption caused by the fact that a mobile phone deviates from the charging coils when a vehicle bumps is avoided, and the stability of wireless charging is ensured.
In the present embodiment, the first charging coil 2 and the second charging coil 3 are both oxygen-containing copper coils.
It should be noted that, compared with the conventional enameled wire coil, the oxygen-containing copper coil not only reduces the internal resistance of the conductor and the heat productivity, but also improves the Q value and the emission efficiency of the coil.
In the present embodiment, the charging connection line includes a charging harness 4 and a flexible magnetic-based polyester fabric 5;
the flexible magnetic-based polyester fabric 5 is coated on the outer surface of the charging harness 4.
It should be noted that, when using some concrete scenes, for example use on the car, because the interior trim space on the car is compact and narrow and small, the wireless module of charging of double-circuit not be convenient for with control module combines together, therefore this embodiment not only considers will the wireless module of charging of double-circuit with control module adopts long-range distributed deployment, connects through charging the connecting wire distance promptly, but also considers that the connecting wire that charges need possess the ability that the flexible warp in compact and narrow and small space, also need accord with car electron EMC electromagnetic compatibility legal standard simultaneously, so this embodiment has adopted low impedance flexible magnetism base dacron 5 will charging harness 4 wraps up, and respectively the control module with the wireless module department ground connection that charges of double-circuit.
In the present embodiment, the control module includes a circuit board 6 and a microprocessor 7;
the microprocessor 7 is arranged on the circuit board 6.
It should be noted that the control MOSFET array or the IGBT array drives the two-way wireless charging module to realize the two-way non-interfering independent 15W wireless flash charging function.
Preferably, the control module further comprises a CAN bus interface 8 and/or a LIN bus interface 9, a near field communication chip;
the CAN bus interface 8 and/or the LIN bus interface 9 and the near field communication chip 10 are respectively arranged on the circuit board 6 and are connected with the microprocessor 7.
It should be noted that, in this embodiment, the wireless charging status information may be sent out through the 1-way CAN bus or the 1-way LIN bus, for example, sent to the vehicle interconnection of the vehicle. In addition, the mobile phone has an NFC near field communication function, whether the identity with the mobile phone ID can legally start the vehicle is identified through the near field communication chip 10, and the driving customization requirements such as seat width, automobile interior lamp color, active air suspension height and the like are automatically adjusted.
In this embodiment, the control module further comprises a second housing 11;
the second shell 11 is a plastic shell doped with electromagnetic shielding particles;
the circuit board 6 and the microprocessor 7 are both disposed within the second housing 11.
It should be noted that the plastic shell doped with the electromagnetic shielding particles not only meets the legal standards of electromagnetic compatibility of automotive electronics EMC, but also achieves the purpose of reducing the overall weight due to the fact that the plastic material is lighter than the metal material, and actively responds to the calls of oil saving, energy saving and emission reduction.
Although the terms two-way wireless charging module, charging connection line and control module are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
According to the two-way independent wireless charging system provided by the embodiment of the utility model, the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet, so that two-way independent wireless charging can be realized, two electronic products can be wirelessly charged or one electronic product can be wirelessly charged without distinguishing the front side and the back side, the convenience of wireless charging is greatly improved, and the use experience of a user is improved.
The foregoing description of the embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same elements or features may also vary in many respects. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.
Example embodiments are provided so that this disclosure will be thorough and will fully convey the scope to those skilled in the art. Numerous details are set forth, such as examples of specific parts, devices, and methods, in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In certain example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises" and "comprising" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.
Claims (10)
1. A double-path independent wireless charging system is characterized by comprising a double-path wireless charging module, a charging connecting line and a control module; wherein the content of the first and second substances,
the two-way wireless charging module comprises a nanocrystalline flexible soft magnetic alloy guide sheet, a first charging coil and a second charging coil;
the nanocrystalline flexible soft magnetic alloy guide plate is provided with an upper surface and a lower surface;
the first charging coil and the second charging coil are respectively arranged on the upper surface and the lower surface of the nanocrystalline flexible soft magnetic alloy guide sheet and are connected with the control module through the charging connecting wire.
2. The two-way independent wireless charging system of claim 1, wherein the two-way wireless charging module further comprises a first housing;
the nanocrystalline flexible soft magnetic alloy guide sheet, the first charging coil and the second charging coil are all arranged in the first shell.
3. The two-way independent wireless charging system according to claim 1, wherein the first charging coils are at least two;
at least two first charging coils are arranged in an overlapping mode.
4. The two-way independent wireless charging system according to claim 1, wherein the second charging coils are at least two;
at least two second charging coils are arranged in an overlapping mode.
5. The two-way independent wireless charging system according to claim 1, wherein the first charging coil and the second charging coil are both oxygen-containing copper coils.
6. The two-way independent wireless charging system according to claim 1, wherein the charging connection line comprises a charging harness and a flexible magnetic-based polyester fabric;
the flexible magnetic-based polyester fabric is coated on the outer surface of the charging harness.
7. The two-way independent wireless charging system of claim 1, wherein the control module comprises a circuit board and a microprocessor;
the microprocessor is disposed on the circuit board.
8. The two-way independent wireless charging system according to claim 7, wherein the control module further comprises a CAN bus interface and/or a LIN bus interface;
the CAN bus interface and/or the LIN bus interface are/is arranged on the circuit board and connected with the microprocessor.
9. The two-way independent wireless charging system of claim 7, wherein the control module further comprises a near field communication chip;
the near field communication chip is arranged on the circuit board and is connected with the microprocessor.
10. The two-way independent wireless charging system of claim 7, wherein the control module further comprises a second housing;
the second shell is a plastic shell doped with electromagnetic shielding particles;
the circuit board and the microprocessor are both arranged in the second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417362.7A CN114123549A (en) | 2021-11-25 | 2021-11-25 | Double-circuit independent wireless charging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111417362.7A CN114123549A (en) | 2021-11-25 | 2021-11-25 | Double-circuit independent wireless charging system |
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| CN114123549A true CN114123549A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111417362.7A Pending CN114123549A (en) | 2021-11-25 | 2021-11-25 | Double-circuit independent wireless charging system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638113A (en) * | 2012-04-11 | 2012-08-15 | 华中科技大学 | Magnetic coupling resonance device |
| CN104602451A (en) * | 2015-01-12 | 2015-05-06 | 衢州顺络电路板有限公司 | Circuit board with embedded magnetic material and for wireless charging and manufacturing method |
| KR20170017674A (en) * | 2015-08-06 | 2017-02-15 | 삼성전기주식회사 | Wireless power charging device |
| CN108418317A (en) * | 2018-02-08 | 2018-08-17 | 深圳顺络电子股份有限公司 | Wireless charging magnetic conductive board and preparation method thereof and wireless charging module |
| CN109036796A (en) * | 2018-08-30 | 2018-12-18 | 江苏金羿先磁新材料科技有限公司 | A kind of two-sided wireless charging transmitting terminal mould group |
-
2021
- 2021-11-25 CN CN202111417362.7A patent/CN114123549A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638113A (en) * | 2012-04-11 | 2012-08-15 | 华中科技大学 | Magnetic coupling resonance device |
| CN104602451A (en) * | 2015-01-12 | 2015-05-06 | 衢州顺络电路板有限公司 | Circuit board with embedded magnetic material and for wireless charging and manufacturing method |
| KR20170017674A (en) * | 2015-08-06 | 2017-02-15 | 삼성전기주식회사 | Wireless power charging device |
| CN108418317A (en) * | 2018-02-08 | 2018-08-17 | 深圳顺络电子股份有限公司 | Wireless charging magnetic conductive board and preparation method thereof and wireless charging module |
| CN109036796A (en) * | 2018-08-30 | 2018-12-18 | 江苏金羿先磁新材料科技有限公司 | A kind of two-sided wireless charging transmitting terminal mould group |
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Application publication date: 20220301 |
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