CN115333260A - Method and device for adjusting flux linkage and wireless charging receiving equipment - Google Patents
Method and device for adjusting flux linkage and wireless charging receiving equipment Download PDFInfo
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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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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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
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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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The application relates to the technical field of wireless charging, and discloses a method for adjusting flux linkage, which comprises the following steps: and acquiring the charging efficiency of the wireless charging receiving equipment in a preset time period. The displacement device is controlled according to the charging efficiency so that the relative distance between the high permeability material and the receiving coil is changed. Therefore, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the density of the flux linkage can be adjusted by the wireless charging receiving equipment, and the stability of flux linkage adjustment is improved. The application also discloses a device and wireless receiving equipment that charges for adjusting the flux linkage.
Description
Technical Field
The present application relates to the field of wireless charging technologies, and for example, to a method and an apparatus for adjusting a flux linkage, and a wireless charging receiving device.
Background
The wireless charging technology is widely applied to the fields of common wireless charging receiving equipment in life, such as mobile phones, mice, tablet computers and the like. The wireless charging technology utilizes electromagnetic induction to realize electric energy transmission. Since the wireless charging receiving device is often provided with some metal and low magnetic conductivity devices, electromagnetic induction is easily interfered, and a non-ideal magnetic linkage loop with extra loss is formed. Thereby making wireless charging inefficient. The existing method for improving wireless charging efficiency is as follows: the size or the operating frequency of the exciting current of the wireless charging transmitting equipment end is adjusted, so that the density of flux linkage is improved, and the charging efficiency is improved. For example: chinese patent document CN106451648A discloses a wireless charging device and method, including: when the wireless charging equipment operates, the wireless charging control device detects whether a chargeable mobile terminal which enters a wireless charging range of the wireless charging equipment exists or not; if the mobile terminal is in the wireless charging state, establishing Bluetooth connection with the mobile terminal through the Bluetooth module and carrying out data communication so as to obtain feedback information fed back by the mobile terminal and used for wireless charging; and adjusting the working frequency of the charging module according to the feedback information so as to enable the working frequency of the charging module to be matched with the feedback information, and wirelessly charging the mobile terminal by adopting the adjusted working frequency of the charging module. Chinese patent document CN110661345A discloses an electromagnetic induction type wireless charging system and a control method for integrating charging and communication thereof, which comprises the following steps: an information acquisition step, which is to acquire the voltage, the current and the temperature value of a primary side device of the electromagnetic induction type wireless charging system; a charging abnormity detection step, namely comparing the voltage, the current and the temperature values with respective preset thresholds in sequence or in any sequence, judging whether the electromagnetic induction type wireless charging system has an abnormal condition, and sending a charging abnormity instruction when the acquired value of any one of the voltage, the current and the temperature values exceeds the preset threshold, and entering a signal transmission control step; when the voltage, the current and the temperature value do not exceed the preset threshold value, entering a signal receiving control step; a signal receiving control step, namely acquiring an induced current of a primary coil, extracting a primary device signal to receive a data signal transmitted by a secondary device, judging whether the primary device signal has a fault signal according to a preset threshold value of the primary device signal, if so, receiving fault information corresponding to the fault signal and finishing charging, otherwise, entering a charging control step; a charging control step, namely adjusting the charging voltage and frequency of the primary side device according to the data signal transmitted by the secondary side device, and entering a signal transmission control step after receiving the data signal transmitted by the secondary side device; a signal transmission control step, wherein after the charging control step is finished, data of a primary side device is collected, a frequency modulation module of the primary side device is controlled to transmit a signal to a secondary side device according to the data of the primary side device, whether the current electric quantity value (SOC) of a load is greater than a preset total electric quantity threshold value (SOC 0) or not is judged, if yes, the charging is finished, and if not, the information collection step is returned again; and after receiving the charging abnormity instruction in the charging abnormity detection step, controlling a frequency modulation module of the primary side device to transmit a charging abnormity signal to the secondary side device through the coupling between the primary side coil and the secondary side coil, and finishing charging.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in the related art, the wireless charging receiving device end is not adjusted, and the density of flux linkages is controlled by adjusting the frequency of the exciting current of the wireless charging transmitting device end, so that the adjustment of the wireless charging efficiency is realized. Since the frequency of the excitation current cannot exceed the value specified by the protocol, the debugging range is limited when flux linkage adjustment is performed, and it is difficult to ensure the stability of flux linkage adjustment.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for adjusting flux linkage and wireless charging receiving equipment, so that the stability of flux linkage adjustment can be improved.
In some embodiments, the method for adjusting the magnetic linkage is applied to a wireless charging receiving device end, a receiving coil, a high-permeability material and a displacement device are arranged in the wireless charging receiving device, and the displacement device is used for controllably driving the high-permeability material to move; the method comprises the following steps: and acquiring the charging efficiency of the wireless charging receiving equipment in a preset time period. Controlling the displacement device according to the charging efficiency so that the relative distance between the high-permeability material and the receiving coil is changed.
In some embodiments, controlling the displacement device such that the relative distance between the high permeability material and the receive coil changes as a function of the charging efficiency comprises: and under the condition that the charging efficiency is lower than a preset efficiency value, acquiring a first adjusting position corresponding to the displacement device according to the charging efficiency. And controlling the displacement device to adjust according to the first adjusting position.
In some embodiments, obtaining a first adjustment position corresponding to the displacement device according to the charging efficiency includes: matching a first adjusting position corresponding to the charging efficiency from a preset adjusting position database; the adjustment position database stores a corresponding relationship between the charging efficiency and the first adjustment position.
In some embodiments, the displacement device includes a bracket, a movable mechanism, and a driving device, the high magnetic permeability material is disposed on the bracket, the bracket is connected to the movable mechanism, and the driving device is configured to drive the movable mechanism to move, so as to drive the bracket to move; controlling the displacement device to adjust according to the first adjustment position, comprising: and controlling the driving device to drive the movable mechanism to move so as to drive the bracket to move, so that the high-permeability material on the bracket moves to the first adjusting position.
In some embodiments, the high permeability material comprises first and second high permeability ferrite blocks disposed at respective ends of the bracket; the moving mechanism is used for driving the first high-magnetic-permeability ferrite block and the second high-magnetic-permeability ferrite block on the bracket to be close to or far away from the receiving coil under the driving of the driving device.
In some embodiments, controlling the displacement device according to the charging efficiency so that the relative distance between the high-permeability material and the receiving coil is changed further comprises: monitoring the charging temperature of the wireless charging receiving equipment, and acquiring a temperature difference value between the charging temperature and a preset temperature value under the condition that the charging temperature exceeds the preset temperature value. And acquiring a second adjusting position according to the temperature difference value, and controlling the displacement device to adjust according to the second adjusting position.
In some embodiments, obtaining a second adjusted position based on the temperature difference value comprises: and obtaining an adjusting distance corresponding to the temperature difference value. And adjusting the first adjusting position according to the adjusting distance to obtain a second adjusting position.
In some embodiments, the device for adjusting the magnetic linkage is applied to a wireless charging receiving device end, a receiving coil, a high-permeability material and a displacement device are arranged in the wireless charging receiving device, and the displacement device is used for controllably driving the high-permeability material to move; the means for adjusting the flux linkage comprises: the acquisition module is configured to acquire the charging efficiency of the wireless charging receiving device within a preset time period. A control module configured to control the displacement device such that a relative distance between the high permeability material and the receive coil changes as a function of the charging efficiency.
In some embodiments, the wireless charging receiving device comprises a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform the method for adjusting flux linkage described above.
In some embodiments, the means for adjusting the flux linkage comprises a receiving coil, a high permeability material, and a displacement means for controlled movement of the high permeability material; the relative distance between the high permeability material and the receiving coil changes when in motion.
The method and the device for adjusting the flux linkage and the wireless charging receiving equipment provided by the embodiment of the disclosure can achieve the following technical effects: the charging efficiency of the wireless charging receiving device in the preset time period is obtained. The displacement device is controlled according to the charging efficiency so that the relative distance between the high permeability material and the receiving coil is changed. Therefore, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the flux linkage density can be adjusted at the wireless charging receiving equipment end, and the flux linkage adjustment stability is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:
fig. 1 is a schematic diagram of a first method for adjusting flux linkage provided by an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a first displacement device provided in an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a second displacement device provided in accordance with an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a third displacement device provided in an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a second method for adjusting flux linkage provided by embodiments of the present disclosure;
FIG. 6 is a schematic diagram of an apparatus for adjusting flux linkage provided by an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a wireless charging receiving device according to an embodiment of the present disclosure.
Reference numerals:
1: a first base; 2: a telescopic rod; 3: a high magnetic permeability material; 4: a second base; 5: rotating the rod; 6: a support; 7: a telescopic device; 8: a telescopic arm; 9: a fixed structure; 10: a first high magnetic permeability ferrite block; 11: a second high magnetic permeability ferrite block; 12: a gear; 13: a drive motor; 14: a drive shaft; 15: a coil; 16: a coil magnetic sheet.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. E.g., a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
The application can be applied to wireless charging receiving equipment.
In addition, the wireless charging receiving device according to the embodiment of the present invention may include, but is not limited to, a mobile phone, a wireless handheld device, a Tablet Computer (Tablet Computer), and the like.
With reference to fig. 1, an embodiment of the present disclosure provides a method for adjusting a magnetic linkage, which is applied to a wireless charging receiving device, where a receiving coil, a high-permeability material, and a displacement device are disposed in the wireless charging receiving device, and the displacement device is used for controlling to drive the high-permeability material to move; the method comprises the following steps:
step S101, the wireless charging receiving device obtains the charging efficiency of the wireless charging receiving device in a preset time period.
And S102, the wireless charging receiving equipment controls the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed.
By adopting the method for adjusting the flux linkage provided by the embodiment of the disclosure, the charging efficiency of the wireless charging receiving equipment in the preset time period is obtained. The displacement device is controlled according to the charging efficiency so that the relative distance between the high-permeability material and the receiving coil is changed. Therefore, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the flux linkage density can be adjusted at the wireless charging receiving equipment end, and the flux linkage adjustment stability is improved.
Optionally, as shown in fig. 2, fig. 2 is a schematic structural diagram of a first displacement device provided in the embodiment of the present disclosure. The displacement device comprises a first base 1 and a telescopic rod 2, a high-permeability material 3 is fixed at one end of the telescopic rod 2, and the other end of the telescopic rod 2 is connected with the first base 1. The telescopic rod 2 is controlled to drive the high-permeability material 3 to move up and down, so that the relative distance between the high-permeability material 3 and the receiving coil is changed.
Optionally, as shown in fig. 3, fig. 3 is a schematic structural diagram of a second displacement device provided in the embodiment of the present disclosure. The displacement device comprises a second base 4 and a rotating rod 5, wherein the high-magnetic-permeability material 3 is fixed at one end of the rotating rod 5, and the other end of the rotating rod 5 is connected with the second base 4. The rotating rod 5 is controlled to drive the high-permeability material 3 to rotate, so that the relative distance between the high-permeability material 3 and the receiving coil is changed.
Further, the wireless charging receiving device controls the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed, and the wireless charging receiving device comprises: the wireless charging receiving equipment acquires a first adjusting position corresponding to the displacement device according to the charging efficiency under the condition that the charging efficiency is lower than a preset efficiency value. And controlling the displacement device to adjust according to the first adjusting position. Therefore, flux linkage guiding the wireless charging receiving equipment is actively changed, flux linkage flux is effectively adjusted, and energy obtained by a receiving coil at the end of the wireless charging receiving equipment is adjustable. This can improve the stability and the practicality of wireless receiving equipment that charges. Because the product design of correlation technique forms to relatively poor magnetic circuit environment, leads to flux linkage stability easily and is not enough to support wireless normal work that charges, initiatively carries out the flux linkage guide through wireless receiving arrangement that charges, adjusts the intensive degree of flux linkage according to wireless charge efficiency, can change the flux linkage environment in order to overcome relatively poor magnetic circuit environment problem.
Further, the first adjustment position is used to characterize the relative distance between the high permeability material and the receive coil.
Further, the wireless receiving equipment that charges obtains the first adjustment position that the displacement device corresponds according to charge efficiency, includes: the wireless charging receiving equipment matches a first adjusting position corresponding to the charging efficiency from a preset adjusting position database. The adjustment position database stores a corresponding relationship between the charging efficiency and the first adjustment position.
In some embodiments, the preset efficiency value is 80%, the charging efficiency is 50%, and the charging efficiency of the wireless charging receiving device is lower than the preset efficiency value by 80%. A first adjustment position "2cm" corresponding to 50% of the charging efficiency is matched from a preset adjustment position database. In some embodiments, the closer the high permeability material is to the receiving coil, the more dense the flux linkage, the more induced current is generated, and the higher the charging efficiency.
Furthermore, the displacement device comprises a bracket, a movable mechanism and a driving device, wherein the high-permeability material is arranged on the bracket, the bracket is connected with the movable mechanism, and the driving device is used for driving the movable mechanism to move so as to drive the bracket to move; wireless receiving arrangement that charges controls displacement device and adjusts according to first adjustment position, includes: the wireless charging receiving equipment controls the driving device to drive the movable mechanism to move, so that the support is driven to move, and the high-permeability material on the support moves to the first adjusting position. Wherein, receiving coil includes coil and coil magnetic sheet.
Further, the high-permeability material comprises a first high-permeability ferrite block and a second high-permeability ferrite block, and the first high-permeability ferrite block and the second high-permeability ferrite block are respectively arranged at two ends of the bracket; the movable mechanism is used for driving the first high-magnetic-permeability ferrite block and the second high-magnetic-permeability ferrite block on the bracket to be close to or far away from the receiving coil under the driving of the driving device.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a third displacement device provided in the embodiment of the present disclosure. The displacement means comprises a support 6, a moving mechanism and drive means, and the high permeability material comprises a first high permeability ferrite block 10 and a second high permeability ferrite block 11. Wherein, the movable mechanism is a telescopic device 7, and the telescopic device 7 comprises a telescopic arm 8 and a fixed structure 9. First and second high magnetic permeability ferrite blocks 10 and 11 are respectively provided at both ends of the bracket 6. One end of the telescopic arm 8 is connected with the bracket 6, and the other end of the telescopic arm 8 is connected with the fixed structure 9. The outside of the bottom of the fixed structure 9 is provided with a gear 12, the driving means comprises a driving motor 13 and a transmission shaft 14, and the transmission shaft 14 is engaged with the gear 12. The driving motor drives the transmission shaft to rotate, and the linkage gear is in variable-speed engagement to enable the telescopic arm to ascend or descend, so that the first high-magnetic-permeability ferrite block and the second high-magnetic-permeability ferrite block on the support are driven to be close to or far away from the receiving coil. Wherein, the receiving coil comprises a coil 15 and a coil magnetic sheet 16. In some embodiments, a wireless charging receiving device includes a receiving coil, a high permeability material, and a displacement apparatus. The magnetic linkage generated at the wireless charging transmitting equipment end forms a loop according to a common wireless charging mode, namely the magnetic linkage mainly diffuses to the edge of the coil along the guidance of the magnetic sheet of the coil after passing through the coil. Then penetrates the air to the high magnetic permeability material at the end of the wireless charging and transmitting device, and finally forms a loop. When the driving motor is started to extend the telescopic arm, the first and second high magnetic permeability ferrite blocks are gradually raised and brought close to the coil magnetic sheet. When the first and second high magnetic permeability ferrite blocks and the coil magnetic sheet are coplanar, all the magnetic chains are attracted and pass through the first and second high magnetic permeability ferrite blocks on both sides of the coil according to the magnetic chain characteristics. And penetrating air to return to the wireless charging transmitting device outside the first high-magnetic-permeability ferrite block and the second high-magnetic-permeability ferrite block so as to form a group of new magnetic chains.
Further, the wireless receiving equipment that charges controls displacement device according to the efficiency of charging for after the relative distance between high magnetic permeability material and the receiving coil changes, still include: the wireless receiving equipment that charges monitors the charging temperature of wireless receiving equipment that charges, and under the condition that the charging temperature surpassed preset temperature value, the difference in temperature value between charging temperature and the preset temperature value was acquireed. And acquiring a second adjusting position according to the temperature difference value, and controlling the displacement device to adjust according to the second adjusting position. Wherein the preset temperature value is 50 degrees.
Further, the wireless receiving equipment that charges obtains the second adjustment position according to the temperature difference value, includes: the wireless charging receiving equipment obtains the adjustment distance corresponding to the temperature difference value. And adjusting the first adjusting position according to the adjusting distance to obtain a second adjusting position. Like this, through monitoring the charging temperature, under the condition that the charging temperature surpassed preset temperature value, then think the flux linkage after the adjustment and heated the place that should not heat, through adjusting first adjustment position according to the adjustment distance, can readjust the intensive degree of flux linkage to avoid the too high condition of charging temperature, improve the stability of flux linkage adjustment.
Further, wireless receiving equipment that charges obtains the adjustment distance that the temperature difference value corresponds, includes: the wireless charging receiving equipment matches out the adjusting distance corresponding to the temperature difference value from a preset adjusting distance database. The preset adjustment distance database stores the corresponding relationship between the temperature difference value and the adjustment distance.
With reference to fig. 5, an embodiment of the present disclosure provides a method for adjusting a magnetic linkage, which is applied to a wireless charging receiving device, where a receiving coil, a high-permeability material, and a displacement device are disposed in the wireless charging receiving device, and the displacement device is used for controllably driving the high-permeability material to move; the method comprises the following steps:
in step S501, the wireless charging receiving device obtains charging efficiency of the wireless charging receiving device in a preset time period.
Step S502, the wireless charging receiving device controls the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed.
Step S503, the wireless charging receiving device monitors the charging temperature of the wireless charging receiving device, and acquires a temperature difference value between the charging temperature and a preset temperature value when the charging temperature exceeds the preset temperature value.
Step S504, the wireless charging receiving device obtains an adjustment distance corresponding to the temperature difference value.
Step S505, the wireless charging receiving device adjusts the first adjustment position according to the adjustment distance, and obtains a second adjustment position.
Step S506, the wireless charging receiving device controls the displacement device to adjust according to the second adjustment position.
By adopting the method for adjusting the flux linkage provided by the embodiment of the disclosure, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the intensity of flux linkage at the wireless charging receiving equipment end can be adjusted, meanwhile, the charging temperature of the wireless charging receiving equipment is monitored after flux linkage adjustment, the condition of overhigh charging temperature can be avoided, and the stability of flux linkage adjustment is improved.
With reference to fig. 6, an embodiment of the present disclosure provides a device for adjusting a magnetic linkage, which is applied to a wireless charging receiving device, where a receiving coil, a high-permeability material, and a displacement device are disposed in the wireless charging receiving device, and the displacement device is used for controllably driving the high-permeability material to move. The apparatus for adjusting flux linkage includes: an acquisition module 601 and a control module 602. The obtaining module 601 is configured to obtain the charging efficiency of the wireless charging receiving device in a preset time period, and send the charging efficiency to the control module. The control module 602 is configured to receive the charging efficiency sent by the obtaining module and control the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed.
By adopting the device for adjusting the flux linkage provided by the embodiment of the disclosure, the charging efficiency of the wireless charging receiving equipment in the preset time period is obtained through the obtaining module. The control module controls the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed. Therefore, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the density of the flux linkage can be adjusted by the wireless charging receiving equipment, and the stability of flux linkage adjustment is improved.
Further, the control module is configured to control the displacement device according to the charging efficiency in such a way that a relative distance between the high magnetic permeability material and the receiving coil changes: and under the condition that the charging efficiency is lower than the preset efficiency value, acquiring a first adjusting position corresponding to the displacement device according to the charging efficiency, and controlling the displacement device to adjust according to the first adjusting position.
Further, the control module is configured to obtain a first adjustment position corresponding to the displacement device according to the charging efficiency by: and matching a first adjusting position corresponding to the charging efficiency from a preset adjusting position database, wherein the adjusting position database stores the corresponding relation between the charging efficiency and the first adjusting position.
Furthermore, the displacement device comprises a support, a movable mechanism and a driving device, wherein the high-permeability material is arranged on the support, the support is connected with the movable mechanism, and the driving device is used for driving the movable mechanism to move so as to drive the support to move. The control module is configured to control the displacement device to adjust to the first adjustment position by: the control driving device drives the movable mechanism to move, so that the support is driven to move, and the high-permeability material on the support is moved to the first adjusting position.
Further, the device for adjusting the flux linkage further comprises an adjusting module, wherein the adjusting module is configured to monitor the charging temperature of the wireless charging receiving equipment after controlling the displacement device according to the charging efficiency, and acquire a temperature difference value between the charging temperature and a preset temperature value when the charging temperature exceeds the preset temperature value. And acquiring a second adjusting position according to the temperature difference value, and controlling the displacement device to adjust according to the second adjusting position.
Further, the adjustment module is configured to obtain the second adjustment position from the temperature difference value by: and obtaining an adjusting distance corresponding to the temperature difference value. And adjusting the first adjusting position according to the adjusting distance to obtain a second adjusting position.
As shown in fig. 7, an embodiment of the present disclosure provides a wireless charging receiving device, which includes a Processor (Processor) 700 and a Memory (Memory) 701 storing program instructions. Optionally, the wireless charging receiving device may further include a Communication Interface (Communication Interface) 702 and a bus 703. The processor 700, the communication interface 702, and the memory 701 may communicate with each other via a bus 703. Communication interface 702 may be used for information transfer. The processor 700 may call logic instructions in the memory 701 to perform the method for adjusting flux linkage of the above-described embodiment.
By adopting the wireless charging receiving equipment provided by the embodiment of the disclosure, the charging efficiency of the wireless charging receiving equipment in the preset time period is obtained through the obtaining module. The control module controls the displacement device according to the charging efficiency, so that the relative distance between the high-permeability material and the receiving coil is changed. Therefore, the receiving coil, the high-permeability material and the displacement device are arranged in the wireless charging receiving equipment, and the displacement device in the wireless charging receiving equipment is controlled according to the charging efficiency to drive the high-permeability material to be close to or far away from the receiving coil. Therefore, the density of the flux linkage can be adjusted by the wireless charging receiving equipment, and the stability of flux linkage adjustment is improved.
Optionally, the wireless charging receiving device includes: smart phones, wireless handheld devices or tablet computers, etc.
Optionally, the wireless charging reception device comprises means for adjusting the flux linkage, a processor and a memory storing program instructions, the processor being configured to trigger the means for adjusting the flux linkage to perform the flux linkage adjustment when executing the program instructions.
Optionally, the wireless charging receiving device is a means for adjusting flux linkage. The device for adjusting the magnetic linkage comprises a receiving coil, a high-permeability material and a displacement device, wherein the displacement device is used for controllably driving the high-permeability material to move; the relative distance between the high permeability material and the receiving coil changes when in motion.
Further, the program instructions in the memory 701 may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 701 is a computer-readable storage medium and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 700 executes functional applications and data processing, i.e. implements the method for adjusting flux linkage in the above embodiments, by executing program instructions/modules stored in the memory 701.
The memory 701 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, memory 701 may include high speed random access memory, and may also include non-volatile memory.
The embodiment of the disclosure provides a storage medium, and program instructions execute the method for adjusting the flux linkage when running.
Embodiments of the present disclosure provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for adjusting a flux linkage.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, 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. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method or apparatus comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosure, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. The method for adjusting the flux linkage is applied to a wireless charging receiving device end, wherein a receiving coil, a high-permeability material and a displacement device are arranged in the wireless charging receiving device, and the displacement device is used for controlling and driving the high-permeability material to move; the method comprises the following steps:
acquiring the charging efficiency of the wireless charging receiving equipment in a preset time period;
controlling the displacement device according to the charging efficiency so that a relative distance between the high-permeability material and the receiving coil is changed.
2. The method of claim 1, wherein controlling the displacement device such that a relative distance between the high permeability material and the receive coil changes as a function of the charging efficiency comprises:
under the condition that the charging efficiency is lower than a preset efficiency value, acquiring a first adjusting position corresponding to the displacement device according to the charging efficiency;
and controlling the displacement device to adjust according to the first adjusting position.
3. The method of claim 2, wherein obtaining a first adjusted position corresponding to the displacement device based on the charging efficiency comprises:
matching a first adjusting position corresponding to the charging efficiency from a preset adjusting position database; the adjustment position database stores a corresponding relationship between the charging efficiency and the first adjustment position.
4. The method of claim 2, wherein the displacement device comprises a support, a movable mechanism, and a driving device, wherein the high magnetic permeability material is disposed on the support, the support is connected to the movable mechanism, and the driving device is configured to drive the movable mechanism to move, so as to drive the support to move; controlling the displacement device to adjust according to the first adjustment position, comprising:
and controlling the driving device to drive the movable mechanism to move so as to drive the bracket to move, so that the high-magnetic-permeability material on the bracket moves to the first adjusting position.
5. The method of claim 4, wherein the high permeability material comprises first and second high permeability ferrite blocks disposed at respective ends of the bracket; the moving mechanism is used for driving the first high-magnetic-permeability ferrite block and the second high-magnetic-permeability ferrite block on the bracket to be close to or far away from the receiving coil under the driving of the driving device.
6. The method of claim 2, wherein controlling the displacement device based on the charging efficiency such that the relative distance between the high permeability material and the receiving coil changes further comprises:
monitoring the charging temperature of the wireless charging receiving equipment, and acquiring a temperature difference value between the charging temperature and a preset temperature value when the charging temperature exceeds the preset temperature value;
acquiring a second adjusting position according to the temperature difference value;
and controlling the displacement device to adjust according to the second adjusting position.
7. The method of claim 6, wherein obtaining a second adjusted position based on the temperature differential value comprises:
obtaining an adjusting distance corresponding to the temperature difference value;
and adjusting the first adjusting position according to the adjusting distance to obtain a second adjusting position.
8. The device for adjusting the magnetic linkage is characterized by being applied to a wireless charging receiving device end, wherein a receiving coil, a high-permeability material and a displacement device are arranged in the wireless charging receiving device, and the displacement device is used for controlling and driving the high-permeability material to move; the means for adjusting the flux linkage comprises:
the acquisition module is configured to acquire the charging efficiency of the wireless charging receiving equipment within a preset time period;
a control module configured to control the displacement device such that a relative distance between the high permeability material and the receive coil changes as a function of the charging efficiency.
9. A wireless charging receiving device comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for adjusting flux linkage of any of claims 1 to 7 when executing the program instructions.
10. A device for adjusting flux linkage, characterized by comprising a receiving coil, a high permeability material and a displacement device for controlled movement of the high permeability material; the relative distance between the high permeability material and the receiving coil changes when in motion.
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|---|---|---|---|
| CN202211269313.8A CN115333260A (en) | 2022-10-17 | 2022-10-17 | Method and device for adjusting flux linkage and wireless charging receiving equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211269313.8A CN115333260A (en) | 2022-10-17 | 2022-10-17 | Method and device for adjusting flux linkage and wireless charging receiving equipment |
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Application publication date: 20221111 |