CN104034971A - Method and apparatus for charging detection of electronic device - Google Patents
Method and apparatus for charging detection of electronic device Download PDFInfo
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- CN104034971A CN104034971A CN201310068029.9A CN201310068029A CN104034971A CN 104034971 A CN104034971 A CN 104034971A CN 201310068029 A CN201310068029 A CN 201310068029A CN 104034971 A CN104034971 A CN 104034971A
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Abstract
The invention discloses a method and apparatus for charging detection of an electronic device. The electronic device carries out wireless charging through a wireless charging device. The method comprises: supplying charging currents to the electronic device; detecting a charging parameter of a battery, and generating a first detection result; comparing the first detection result with a threshold parameter; and if the first detection result is smaller than the threshold parameter, generating a first prompt, the first prompt being used for indicating that the charging parameter is smaller than the threshold parameter. Therefore, according to the invention, the relative position relation between the wireless charging device and the electronic device can be determined through the charging parameter of the battery of the electronic device, and the first prompt for prompting a user of the electronic device to improve the relative position relation is generated, such that the efficiency of charging the battery of the electronic device by the wireless charging device is improved.
Description
Technical field
The present invention relates to field of computer technology, more specifically, the present invention relates to a kind of method and apparatus for electronic equipment being charged and detecting.
Background technology
In recent years, the electronic equipment such as notebook, desk-top computer, panel computer (PAD), mobile phone, multimedia player, PDA(Personal Digital Assistant) is universal all the more.Nearly all electronic equipment can both charge by rechargeable battery, to reach the object of prolongs standby time and Reusability.
Along with the development of battery technology and charging technique, some manufacturers have started to produce the wireless charging device (, wireless charger) that can charge to these batteries by wireless charging technology.Wireless charging technology is a kind of completely not by electric wire but the technology of utilizing battery that magnetic field is electronic equipment to charge.In such charge circuit configuration, wireless charging device comprises main charging circuit, in this main charging circuit, at least comprises primary coil; And this electronic equipment comprises secondary charging circuit, in this pair charging circuit, at least comprise secondary coil.In the time that time dependent electric current is applied to the primary coil in wireless charging device, charging current can generate in secondary coil, makes it possible to the battery to electronic equipment easily and charges.
Clearly, because wireless charging technology is utilized magnetic resonance principle and form resonance between wireless charging device and electronic equipment, to this battery is charged via air transmission charge, so this just requires to only have when exactly when contraposition, could realize the high efficiency of transmission of electric energy between the main charging circuit of wireless charging device and the secondary charging circuit of electronic equipment.
But, in existing wireless charging scheme, there is no the charge condition of method detected electrons device battery, even if make between wireless charging device and electronic equipment contraposition not accurate enough, user also possibly cannot find.This charge efficiency by the battery that causes wireless charging device to electronic equipment declines, and What is more, and whole charge circuit may complete failure.
Therefore, need a kind of novel method and apparatus for detection that electronic equipment is charged to solve the problems referred to above.
Summary of the invention
In order to solve the problems of the technologies described above, according to an aspect of the present invention, a kind of method for electronic equipment being charged and detecting is provided, and described electronic equipment carries out wireless charging by wireless charging device, and described method comprises: the battery to described electronic equipment provides charging current; Detect the charge parameter of described battery and generate the first testing result; Described the first testing result and threshold parameter are compared; And if described the first testing result is less than described threshold parameter, generate the first prompting, described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
In addition, according to a further aspect in the invention, provide a kind of device for electronic equipment being charged and detecting, described electronic equipment carries out wireless charging by wireless charging device, described device comprises: electric current provides unit, provides charging current for the battery to described electronic equipment; Parameter detecting unit, for detection of the charge parameter of described battery and generate the first testing result; Parameter comparing unit, for comparing described the first testing result and threshold parameter; And prompting generation unit, if be less than described threshold parameter for described the first testing result, generating the first prompting, described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
Compared with prior art, adopt according to the method and apparatus for electronic equipment being charged and detecting of the present invention, can be in providing charging current to the battery of described electronic equipment, detect the charge parameter of described battery and generate the first testing result, if described the first testing result is less than threshold parameter, generates and be used to indicate the first prompting that described charge parameter is less than described threshold parameter.Therefore, in the present invention, can judge the relative position relation between wireless charging device and electronic equipment by the charge parameter of detected electrons device battery, and in the time judging between wireless charging device and electronic equipment that contraposition is not accurate enough, generate and be used for pointing out the user of electronic equipment to improve the first prompting of this relative position relation, to make contraposition exactly between the main charging circuit of wireless charging device and the secondary charging circuit of electronic equipment, thereby improve the charge efficiency of wireless charging device to electric device battery.
Other features and advantages of the present invention will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in instructions, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 illustrates according to method for measuring charged of the present invention.
Fig. 2 illustrates according to charging detection device of the present invention.
Fig. 3 illustrates the method for measuring charged according to first embodiment of the invention.
Fig. 4 illustrates the charging detection device according to first embodiment of the invention.
Fig. 5 illustrates the method for measuring charged according to second embodiment of the invention.
Fig. 6 illustrates the charging detection device according to second embodiment of the invention.
Fig. 7 illustrates the method for measuring charged according to third embodiment of the invention.
Fig. 8 illustrates the charging detection device according to third embodiment of the invention.
Fig. 9 illustrates the method for measuring charged according to fourth embodiment of the invention.
Figure 10 illustrates the charging detection device according to fourth embodiment of the invention.
Embodiment
Describe in detail with reference to the accompanying drawings according to each embodiment of the present invention.Here, it should be noted that in the accompanying drawings, identical Reference numeral is given and substantially had ingredient identical or similar structures and function, and will omit being repeated in this description about them.
Hereinafter, describe according to the method and apparatus for electronic equipment being charged and detecting of the present invention with reference to Fig. 1 and Fig. 2.
Fig. 1 illustrates according to method for measuring charged of the present invention, and Fig. 2 illustrates according to charging detection device of the present invention.
The illustrated method for measuring charged of Fig. 1 is for detection that electronic equipment is charged, and described electronic equipment carries out wireless charging by wireless charging device.This method for measuring charged is realized by the illustrated charging detection device of Fig. 2.Particularly, described charging detection device 100 comprises: electric current provides unit 110, parameter detecting unit 120, parameter comparing unit 130 and prompting generation unit 140.
As illustrated in figure 1, described method for measuring charged comprises:
In step S110, electric current provides unit 110 to provide charging current to the battery of described electronic equipment;
In step S120, parameter detecting unit 120 detects the charge parameter of described battery and generates the first testing result;
In step S130, parameter comparing unit 130 compares described the first testing result and threshold parameter; And
In step S140, if described the first testing result is less than described threshold parameter, point out generation unit 140 to generate the first prompting, described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
As can be seen here, adopt according to the method and apparatus for electronic equipment being charged and detecting of the present invention, can be in providing charging current to the battery of described electronic equipment, detect the charge parameter of described battery and generate the first testing result, if described the first testing result is less than threshold parameter, generates and be used to indicate the first prompting that described charge parameter is less than described threshold parameter.Therefore, in the present invention, can judge the relative position relation between wireless charging device and electronic equipment by the charge parameter of detected electrons device battery, and in the time judging between wireless charging device and electronic equipment that contraposition is not accurate enough, generate and be used for pointing out the user of electronic equipment to improve the first prompting of this relative position relation, to make contraposition exactly between the main charging circuit of wireless charging device and the secondary charging circuit of electronic equipment, thereby improve the charge efficiency of wireless charging device to electric device battery.
Hereinafter, with reference to Fig. 3 and Fig. 4, the method and apparatus for electronic equipment being charged and detecting according to first embodiment of the invention is described.
Fig. 3 illustrates the method for measuring charged according to first embodiment of the invention, and Fig. 4 illustrates the charging detection device 100 according to first embodiment of the invention.
Fig. 3 is illustrated can be realized by the illustrated charging detection device 100 of Fig. 4 according to the method for measuring charged of first embodiment of the invention.As illustrated in Fig. 4, with in Fig. 2 similarly, this charging detection device 100 can comprise: electric current provides unit 110, parameter detecting unit 120, parameter comparing unit 130 and prompting generation unit 140.
This charging detection device 100 can be for detection that one or more electronic equipments are charged, and described electronic equipment carries out wireless charging by wireless charging device.Described wireless charging device can be wireless charger, and itself and power-supply device (for example, direct supply, AC power) connect, and comprise main charging circuit, in this main charging circuit, at least comprise primary coil.And described electronic equipment can be any type electronic equipment (for example, notebook, desk-top computer, PAD, mobile phone, multimedia player, PDA etc.), and comprise secondary charging circuit, in this pair charging circuit, at least comprise secondary coil.This wireless charging device and this electronic equipment form charge circuit, in charge circuit, form magnetic resonance, so that the electric charge that stems from power-supply device is transferred to the secondary coil of electronic equipment from the primary coil of wireless charging device, and utilize described electric charge to charge to the battery of electronic equipment.
In addition, this charging detection device 100 can communicate by any mode and this electronic equipment and/or this wireless charging device.
In one example, this charging detection device 100 can be used as a software module and/or hardware module and is integrated in this electronic equipment, and in other words, this electronic equipment can comprise this charging detection device 100.For example, in the time that electronic equipment is mobile phone, a software module in the operating system that this charging detection device 100 can be this mobile phone, or can be aimed at the application program that this mobile phone is developed; Certainly, this charging detection device 100 can be one of numerous hardware modules of this mobile phone equally.
In like manner, this charging detection device 100 also can be used as a software module and/or hardware module and is integrated in this wireless charging device, or alternatively, a part of unit in this charging detection device 100 can be integrated in this electronic equipment, and another part unit can be integrated in this wireless charging device simultaneously.
In another example, this charging detection device 100 can be also the equipment separating with this electronic equipment and this wireless charging device, and this charging detection device 100 can be connected to this electronic equipment and this wireless charging device by wired and/or wireless network, and transmits interactive information according to the data layout of agreement.
Example using mobile phone as electronic equipment is specifically described to embodiments of the invention below.But, it should be noted that, the invention is not restricted to this.This electronic equipment can be the electronic equipment of any type, and it includes but not limited to: desk-top computer, notebook, panel computer, electronic reader, multimedia player and personal digital assistant etc.In addition, can also apply the present invention to other reciprocal processes between charging detection device and electronic equipment and wireless charging device.
As illustrated in Fig. 4, particularly, this prompting generation unit 140 can be position regulation prompting generation unit, for generating the position regulation prompting as the first prompting, described position regulation prompting is manually adjusted the relative position between described electronic equipment and described wireless charging device for the user's prompting to described electronic equipment, to increase described charge parameter.
As illustrated in Fig. 3, comprise according to the method for measuring charged of first embodiment of the invention:
In step S310, provide charging current to the battery of electronic equipment.
For example, in the time that user wants for example, to come electronic equipment (, mobile phone) to charge by wireless charging device (, wireless charger), he/her can move electronic equipment near this wireless charging device.
For example, this wireless charging device can be the tabular charging platform of a horizontal positioned, and the surface of this platform usually can be more than or equal to the surface of this electronic equipment.Under normal conditions, the surface area of this charging platform is greater than the surface area of this electronic equipment significantly, and for example, the former is at least the latter's twice.What is more, and this tabular charging platform may comprise multiple main charging circuits, to provide wireless charging service for multiple electronic equipments simultaneously.Below, succinct in order to describe, in the situation that only carrying out wireless charging to an electronic equipment, wireless charging device goes on to say.
At this moment, user can lie in a horizontal plane in electronic equipment on this wireless charging device.Because the surface area of this wireless charging device is very large, so user is difficult to ensure in the time placing electronic equipment, the secondary charging circuit of electronic equipment can be alignd exactly with the main charging circuit of wireless charging device, like this charge efficiency of the battery that makes electronic equipment is reduced, and cause the duration of charging to extend, even cannot normally carry out wireless charging.For this reason, in the present embodiment, this charging detection device 100 is manually adjusted the relative position between described electronic equipment and described wireless charging device by generating position regulation prompting to user's prompting of described electronic equipment, to increase described charge parameter.
Particularly, after electronic equipment being lain in a horizontal plane in user on this wireless charging device, this charging detection device 100 can detect wireless charging pumping signal, that is to say, system detects magnetic field induction signal, currently can carry out wireless charging and judge.At this moment, this charging detection device 100 can communicate with electronic equipment, whether enters wireless charging pattern, and receive user's selection by electronic equipment to user's prompting.If user selects to agree to enter the wireless charging pattern for electronic equipment being carried out to wireless charging, this charging detection device 100 can further judge the current voltage of the battery of described electronic equipment.If described current voltage is lower than a threshold voltage, this charging detection device 100 makes electronic equipment enter steady current (Constant Current) pattern, and this method for measuring charged continues to carry out step subsequently; And if described current voltage is more than or equal to this threshold voltage, this charging detection device 100 makes electronic equipment enter constant voltage (Constant Voltage) pattern, and this method for measuring charged finishes.
In this constant-current mode, this charging detection device 100 charges to the battery of this electronic equipment with constant charging current, and charging voltage constantly rises along with the saturated of battery; And in this constant-voltage mode, this charging detection device 100 charges to the battery of this electronic equipment with constant charging voltage, and charging current constantly declines along with the saturated of battery.Under normal conditions, this constant-current mode is for the battery under power shortage state, and this constant-voltage mode is for the battery under basic state of saturation.
So, if the current voltage of battery of judging electronic equipment lower than this threshold voltage, this battery is in power shortage state, these charging detection device 100 active electron equipment enter constant-current mode.At this moment, in this charging detection device 100, electric current provides unit 110 to provide constant charging current to the battery of electronic equipment, to carry out wireless charging operation.
In step S320, detect the charge parameter of battery and generate the first testing result.
Provide unit 110 after the battery of described electronic equipment provides charging current at electric current, parameter detecting unit 120 detects the charge parameter of described battery and generates the first testing result.
In one example, the received charging current of battery that this parameter detecting unit 120 can detected electrons equipment, and this testing result can be the amperage of this charging current.But, the invention is not restricted to this.In another example, the received charging voltage of battery that this parameter detecting unit 120 also can detected electrons equipment, and this testing result can be the volt of this charging voltage.
In step S330, the first testing result and threshold parameter are compared.
Next, this parameter comparing unit 130 receives the first testing result that parameter detecting unit 120 generates, and described the first testing result and threshold parameter are compared.
For example, in the time that this first testing result is the amperage of charging current, this threshold parameter can be the amperage of threshold current.This threshold current can set in advance, and for example it for example, corresponding to charging current when the certain charge efficiency to electronic equipment (, 70%) at wireless charging device.Alternatively, this threshold current can be also user-defined, for example its charging current when wishing that as user the charging to electronic equipment completes within the time of an appointment, or for example, when user wishes within the time of an appointment electronic equipment to be charged to certain percentage (, 50%), charging current when ensureing this electronic equipment of Interim use.
Then, this parameter comparing unit detected charging current of 130 comparative parameter detecting unit 120 and this threshold current.If the detected charging current in parameter detecting unit 120 is more than or equal to this threshold current, show that between wireless charging device and electronic equipment, contraposition is accurate, without carrying out any operation, and this method for measuring charged finishes.If the detected charging current in parameter detecting unit 120 is less than this threshold current, show that between wireless charging device and electronic equipment, contraposition is not accurate enough, and this method for measuring charged advances to step S340.
In step S340, if the first testing result is less than threshold parameter, generate position regulation prompting.
Be less than described threshold parameter if judge described the first testing result, these parameter comparing unit 130 notice prompting generation units 140 generate the first prompting, and described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
As mentioned above, in the present embodiment, this prompting generation unit 140 can be position regulation prompting generation unit, it is when judging at this parameter comparing unit 130 between wireless charging device and electronic equipment that contraposition is not accurate enough, generate position regulation prompting, and communicate with electronic equipment, to make pointing out between wireless charging device and electronic equipment contraposition not accurate enough to the user of described electronic equipment, and the current relative position that need to manually adjust between described electronic equipment and described wireless charging device, to increase described charge parameter.
Can be by comprising that at least one means in the multiple means such as sound, optics and vibration point out the user of described electronic equipment manually to adjust the relative position between described electronic equipment and described wireless charging device.
For example, this position regulation prompting generation unit 140 can play to user by the loudspeaker of electronic equipment the acoustic information of " warning, please aims at wireless charging device by electronic equipment ".Or this position regulation prompting generation unit 140 can carry out to show to user by the display of electronic equipment the image information of " warning, please aims at wireless charging device by electronic equipment ".Also or, this position regulation prompting generation unit 140 below at least one in various operations completes above-mentioned prompting task: the vibration that produces certain frequency by the Vib. of electronic equipment; For example, send the light flash of certain color and/or certain frequency by the warning light (, LED) of electronic equipment; And send the alarm sound of certain frequency by the loudspeaker of electronic equipment.
In step S350, again detect the charge parameter of battery and generate the second testing result.
Under normal conditions, after receiving the position regulation prompting that position regulation prompting generation unit 140 generates, user will manually adjust the relative position between described electronic equipment and described wireless charging device.
Correctly aimed at electronic equipment and wireless charging device in order to ensure user, preferably, after a Preset Time, parameter detecting unit 120 can again detect the charge parameter (for example, charging current) of described battery and generate the second testing result.
In step S360, the second testing result and threshold parameter are compared.
Next, this parameter comparing unit 130 receives the second testing result that parameter detecting unit 120 generates, and described the second testing result and threshold parameter are compared again.
For example, this parameter comparing unit 130 detected charging current of comparative parameter detecting unit 120 and this threshold current again.If the detected charging current in parameter detecting unit 120 is more than or equal to this threshold current, after showing the manual adjustment through user, between wireless charging device and electronic equipment, contraposition is accurate, and this method for measuring charged advances to step S370.If the detected charging current in parameter detecting unit 120 is still less than this threshold current, the manual adjustment that shows user not yet makes between wireless charging device and electronic equipment contraposition accurate, and this parameter comparing unit 130 notifies position regulation prompting generation unit 140 to continue to generate position regulation promptings.
In step S370, if the second testing result is more than or equal to threshold parameter, stop generating position regulation prompting.
Be more than or equal to described threshold parameter if judge described the second testing result, this parameter comparing unit 130 notifies position regulation prompting generation unit 140 to stop generating above-mentioned position regulation prompting, user can know that previous manual adjustment has made between wireless charging device and electronic equipment contraposition accurate like this, and wireless charging device meets the demands to the charge efficiency of electronic equipment.
As can be seen here, adopt the method and apparatus for electronic equipment being charged and detecting according to first embodiment of the invention, after can entering wireless charging mode, monitoring charge parameter also contrasts with predefined threshold value, if charge parameter is starkly lower than predefined threshold parameter, utilize the modes such as sound, optics, vibration to send prompting (warning) information to user.Therefore, in the first embodiment of the present invention, can be at wireless charging device to the low charge efficiency of electric device battery, automatically send prompting (warning) information, so that prompting user manually adjusts the relative position between wireless charging device (transmitting terminal) and electronic equipment (receiving end), until system monitoring is to normal, thereby the charging that has significantly improved user is experienced.
It should be noted that, although communicate to make electronic equipment to complete prompting operation to user as example has illustrated the method and apparatus for electronic equipment being charged and detecting according to first embodiment of the invention taking charging detection device and electronic equipment hereinbefore, the invention is not restricted to this.
For example, this charging detection device self can be equipped with input block (for example, touch apparatus, keyboard etc.) and output unit (for example, display, loudspeaker, Vib., warning light etc.), whether to enter wireless charging pattern to user's prompting, and receive user's selection; And/or utilize the modes such as sound, optics, vibration to send position regulation prompting to user, and without communicating by letter with any of electronic equipment.
Or wireless charging device also can be equipped with input block and output unit, and charging detection device and this wireless charging device communicate to make this wireless charging device to complete the prompting operation to user.
Hereinafter, with reference to Fig. 5 and Fig. 6, the method and apparatus for electronic equipment being charged and detecting according to second embodiment of the invention is described.
Fig. 5 illustrates the method for measuring charged according to second embodiment of the invention, and Fig. 6 illustrates the charging detection device 100 according to second embodiment of the invention.
And wherein in the time that between wireless charging device and electronic equipment, contraposition is not accurate enough, carry out the first embodiment that reminding user manually adjusts relative position differently by generating position regulation prompting, in a second embodiment, point out to make electronic equipment automatically to move by generating directional vibration, and then adjust the relative position between wireless charging device and electronic equipment.
As illustrated in Fig. 6, particularly, this prompting generation unit 140 can be directional vibration prompting generation unit, for generating the first direction vibration prompt as the first prompting, described first direction vibration prompt is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment and move towards first direction.At this moment, need in this electronic equipment, be equipped with Vib. or other generation of vibration unit.
As illustrated in Fig. 5, comprise according to the method for measuring charged of second embodiment of the invention:
In step S510, provide charging current to the battery of electronic equipment.
In step S520, detect the charge parameter of battery and generate the first testing result.
In step S530, the first testing result and threshold parameter are compared.
Step S510 in the second embodiment is identical to S330 and step S360 with the step S310 in the first embodiment to S530 and step S560 subsequently, and therefore omits its detailed description.
In step S540, if the first testing result is less than threshold parameter, generate first direction vibration prompt.
Be less than described threshold parameter if judge described the first testing result, these parameter comparing unit 130 notice prompting generation units 140 generate the first prompting, and described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
As mentioned above, in the present embodiment, this prompting generation unit 140 can be directional vibration prompting generation unit, it is when judging at this parameter comparing unit 130 between wireless charging device and electronic equipment that contraposition is not accurate enough, generate first direction vibration prompt, and communicate with electronic equipment, to make described electronic equipment produce directional vibration in first direction, to automatically adjust the relative position between described electronic equipment and described wireless charging device.
But for cost consideration, manufacturer often wishes for charging detection device 100 is equipped with minimum hardware component, so this charging detection device 100 may not can be equipped with magnetic field intensity sensing cell or other processing units.That is to say, this charging detection device 100 possibly cannot be judged and how this first direction is set could full out makes wireless charging device and electronic equipment aligned position each other.
At this moment, this directional vibration prompting generation unit 140 can select a direction as first direction randomly, and generates this first direction vibration prompt, to transmit to electronic equipment.Alternatively, this directional vibration prompting generation unit 140 also can select the most preferential direction as this first direction according to the direction genesis sequence setting in advance.
In step S550, again detect the charge parameter of battery and generate the second testing result.
Receive the first direction vibration prompt being generated by directional vibration prompting generation unit 140 from charging detection device 100 at electronic equipment after, this electronic equipment will produce movement at first direction by vibrating according to this first direction vibration prompt.
Preferably, after a Preset Time, parameter detecting unit 120 can again detect the charge parameter (for example, charging current) of described battery and generate the second testing result.
In step S560, the second testing result and threshold parameter are compared.
In step S570, if the second testing result is more than or equal to threshold parameter, stop generating first direction vibration prompt.
Be more than or equal to described threshold parameter if parameter comparing unit 130 is judged described the second testing result, directional vibration prompting generation unit 140 stops generating above-mentioned first direction vibration prompt.At this moment, can notice, previous automatic adjustment has made between wireless charging device and electronic equipment contraposition accurate, and wireless charging device meets the demands to the charge efficiency of electronic equipment.
In step S580, if the second testing result is less than threshold parameter, the second testing result and the first testing result are compared.
On the contrary, be less than described threshold parameter if parameter comparing unit 130 is judged described the second testing result, the first testing result that the second testing result that this parameter comparing unit 130 further generates parameter detecting unit 120 in step S550 and it generate in step S520 compares.
For example, the charging current that these parameter comparing unit 130 comparative parameter detecting units 120 detect in twice detection.If parameter detecting unit 120 detected charging current in step S550 is less than detected charging current in step S520, after showing the directional vibration through electronic equipment, compared with previous relative position between the two, more greatly (contraposition deviation between wireless charging device and electronic equipment obtains, the adjustment direction of electronic equipment againsts one's expectation), and this method for measuring charged advances to step S590.If parameter detecting unit 120 detected charging current in step S550 is greater than detected charging current in step S520, after showing the directional vibration through electronic equipment, compared with previous relative position between the two, between wireless charging device and electronic equipment, contraposition is more accurate, but still fails to meet the demands.At this moment, this parameter comparing unit 130 notifies directional vibration prompting generation unit 140 to continue to generate first direction vibration prompts, so that electronic equipment is continued towards first direction directional vibration, and at repeating step S550 and S560 subsequently.
In step S590, if the second testing result is less than the first testing result, stops generating first direction vibration prompt and generate second direction vibration prompt.
Be less than described the first testing result if judge described the second testing result, this parameter comparing unit 130 notifies directional vibration prompting generation unit 140 stop generating described first direction vibration prompt and generate second direction vibration prompt, described second direction vibration prompt is used for controlling described electronic equipment and produces directional vibration, to move towards second direction, described second direction is contrary with described first direction.Then, this directional vibration prompting generation unit 140 communicates with electronic equipment, to make described electronic equipment produce directional vibration in second direction, so as with the direction of previous opposite direction in, automatically adjust the relative position between described electronic equipment and described wireless charging device.
Alternatively, this directional vibration prompting generation unit 140 also can select the second preferential direction as this second direction according to the direction genesis sequence setting in advance.
In step S600, again detect the charge parameter of battery and generate the 3rd testing result.
In step S610, the 3rd testing result and threshold parameter are compared.
In step S620, if the 3rd testing result is more than or equal to threshold parameter, stop generating second direction vibration prompt.
Step S600 in the present embodiment is similar to S370 to the step S350 in S570 or the first embodiment to the step S550 in the present embodiment to S620.
Particularly, after again through a Preset Time, parameter detecting unit 120 can detect again the charge parameter of described battery and generate the 3rd testing result.Then, parameter comparing unit 130 receives the 3rd testing result that parameter detecting unit 120 generates, and described the 3rd testing result and threshold parameter are compared again.
If judging described the second testing result, parameter comparing unit 130 is more than or equal to described threshold parameter, show that wireless charging device meets the demands to the charge efficiency of electronic equipment, and directional vibration prompting generation unit 140 stops generating above-mentioned second direction vibration prompt.If judging described the second testing result, parameter comparing unit 130 is still less than described threshold parameter, show that between wireless charging device and electronic equipment, contraposition is not adequate accurately, and this parameter comparing unit 130 notifies directional vibration prompting generation unit 140 to continue to generate second direction vibration prompt.
Alternatively, this method for measuring charged also can repeated execution of steps S580 and S590.Like this, this parameter comparing unit 130 can further compare the testing result of the testing result of parameter detecting unit 120 up-to-date generations and last generation.And, if the testing result of described up-to-date generation is less than the described testing result generating for last time, this directional vibration prompting generation unit 140 selects direction subsequently as third direction in the direction genesis sequence setting in advance, and moves towards third direction to control described electronic equipment; And if the testing result of described up-to-date generation is greater than the described testing result generating for last time, this parameter comparing unit 130 notifies directional vibration prompting generation unit 140 to continue to generate second direction vibration prompt, so that electronic equipment is continued towards second direction directional vibration.And this method for measuring charged can change the direction of vibration of electronic equipment by that analogy, until contraposition accurately till (, wireless charging device meets the demands to the charge efficiency of electronic equipment) between wireless charging device and electronic equipment.
As can be seen here, adopt the method and apparatus for electronic equipment being charged and detecting according to second embodiment of the invention, after can entering wireless charging mode, monitoring charge parameter also contrasts with predefined threshold value, if charge parameter is starkly lower than predefined threshold parameter, make electronic equipment automatically change the relative position between wireless charging device and electronic equipment by directional vibration.Therefore, in the second embodiment of the present invention, can be at wireless charging device to the low charge efficiency of electric device battery, make electronic equipment (receiving end) towards wireless charging device (transmitting terminal) automated movement, until both accurate contrapositions, thereby avoid user's manual operation, more significantly improved user's charging experience and operating experience.
It should be noted that, although communicate to make electronic equipment to produce directional vibration as example has illustrated the method and apparatus for electronic equipment being charged and detecting according to second embodiment of the invention taking charging detection device and electronic equipment hereinbefore, the invention is not restricted to this.
For example, this wireless charging device also can be equipped with the generation of vibration unit of Vib. and so on, and charging detection device and this wireless charging device communicate to make this wireless charging device to complete directional vibration operation, to adjust the relative position between it and electronic equipment.
Hereinafter, with reference to Fig. 7 and Fig. 8, the method and apparatus for electronic equipment being charged and detecting according to third embodiment of the invention is described.
Fig. 7 illustrates the method for measuring charged according to third embodiment of the invention, and Fig. 8 illustrates the charging detection device 100 according to third embodiment of the invention.
And wherein in the time that between wireless charging device and electronic equipment, contraposition is not accurate enough, generate the second embodiment that a certain directional vibration points out experimentally adjustment relative position differently by random or predetermined,
In the 3rd embodiment, the specific direction vibration prompt that indicates exactly the relative position between wireless charging device and electronic equipment by generating automatically moves electronic equipment towards wireless charging device, and then fast and directly both is aimed at exactly.
As illustrated in Figure 8, particularly, this prompting generation unit 140 can be specific direction vibration prompt generation unit, for generating the specific direction vibration prompt as the first prompting, described specific direction vibration is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment moves towards specific direction, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place, wherein, described primary importance be magnetic field intensity that described wireless charging device produces be peaked position (, the position of main charging circuit), and the described second place is the position of the secondary charging circuit in described electronic equipment, the electric charge that described secondary charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.At this moment, with in the second embodiment similarly, need in this electronic equipment, be equipped with Vib. or other generation of vibration unit.
In addition, this charging detection device 100 can also comprise: intensity sensing cell 150, the magnetic field intensity producing for sensing wireless charging device; And/or position determination unit 160, for determining described primary importance and the described second place.
As illustrated in Fig. 7, comprise according to the method for measuring charged of third embodiment of the invention:
In step S710, provide charging current to the battery of electronic equipment.
In step S720, detect the charge parameter of battery and generate the first testing result.
In step S730, the first testing result and threshold parameter are compared.
Step S710 in the 3rd embodiment is identical to S530 with the step S510 in the second embodiment to S730, and therefore omits its detailed description.
In step S740, if the first testing result is less than threshold parameter, the magnetic field intensity that sensing wireless charging device produces.
Be less than described threshold parameter if judge described the first testing result, show that between wireless charging device and electronic equipment, contraposition is not accurate enough, so these parameter comparing unit 130 notice prompting generation units 140 generate the first prompting, described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
As mentioned above, in the present embodiment, this prompting generation unit 140 can be specific direction vibration prompt generation unit, it generates the specific direction vibration prompt that indicates exactly the relative position between wireless charging device and electronic equipment when judging at this parameter comparing unit 130 between wireless charging device and electronic equipment that contraposition is not accurate enough.
For this reason, before this specific direction vibration prompt generation unit 140 generates specific direction vibration prompt, the magnetic field intensity that this intensity sensing cell 150 magnetic field intensity that first wireless charging device produces described in sensing and described electronic equipment receive.For example, this intensity sensing cell 150 can be Magnetic sensor, such as Hall element, magnetoresistive transducer, giant magneto-resistance sensor, fluxgate sensor etc.
In step S750, determine primary importance and the second place.
Then, sensing result is sent to position determination unit 160 by this intensity sensing cell 150.This position determination unit 160 determines that according to this sensing result the magnetic field intensity that described wireless charging device produces is peaked position (for example, the position of the primary coil in wireless charging device), as primary importance.Meanwhile, this position determination unit 160 determines that according to this sensing result the magnetic field intensity that described electronic equipment receives is peaked position (for example, the position of the secondary coil in wireless charging device), as the second place.
Alternatively, this primary importance (, the position of the main charging circuit in described wireless charging device) and this second place (, the position of the secondary charging circuit in described electronic equipment) also can be set in advance in this intensity sensing cell 150 by user.
In step S760, generate specific direction vibration prompt.
Next, after this position determination unit 160 receives determined primary importance and the second place, this specific direction vibration prompt generation unit 140 generates according to these two positions the specific direction vibration prompt that indicates specific direction, described specific direction is the direction of pointing to primary importance from the second place, and communicate with electronic equipment, to make described electronic equipment produce directional vibration in specific direction, so that fast and directly by described electronic equipment and described wireless charging device auto-alignment, and without adjusting through any experimental position.
In step S770, judge the relativeness between primary importance and the second place.
After electronic equipment receives from charging detection device 100 the specific direction vibration prompt being generated by specific direction vibration prompt generation unit 140, this electronic equipment by according to this specific direction vibration prompt and at specific direction by vibrating the movement producing towards wireless charging device.
Preferably, after a Preset Time, position determination unit 160 can be determined the relativeness between primary importance and the second place again.
In step S780, if the second place overlaps with primary importance, stop generating specific direction vibration prompt.
If position determination unit 160 is judged the second place and is overlapped with primary importance, after showing the directional vibration through electronic equipment, between wireless charging device and electronic equipment, contraposition is accurate, and wireless charging device meets the demands to the charge efficiency of electronic equipment.Now, this position determination unit 160 notifies specific direction vibration prompt generation unit 140 to stop generating specific direction vibration prompt, and this method for measuring charged finishes.
If position determination unit 160 is judged the second place and is not yet overlapped with primary importance, the self-orientation vibration that shows electronic equipment not yet makes between wireless charging device and electronic equipment contraposition accurate, and this position determination unit 160 notifies specific direction vibration prompt generation unit 140 to continue to generate these specific direction vibration prompts.
As can be seen here, adopt the method and apparatus for electronic equipment being charged and detecting according to third embodiment of the invention, after can entering wireless charging mode, monitoring charge parameter also contrasts with predefined threshold value, if charge parameter is starkly lower than predefined threshold parameter, the magnetic field intensity of wireless charging device and described electronic equipment described in sensing, and generation indicates the specific direction vibration prompt of both relative positions, to make electronic equipment vibrate the relative position automatically changing between wireless charging device and electronic equipment by specific direction.Therefore, in the third embodiment of the present invention, can be at wireless charging device to the low charge efficiency of electric device battery, in specific direction, make electronic equipment (receiving end) towards wireless charging device (transmitting terminal) automated movement, until both accurate contrapositions, thereby further improve the efficiency that automated location moves, the time of having avoided experimental movement to spend, further improved user's charging experience and operating experience.
It should be noted that, although hereinbefore Magnetic sensor is positioned to charging detection device as example has illustrated the method and apparatus for electronic equipment being charged and detecting according to third embodiment of the invention, the invention is not restricted to this.
For example, for cost consideration, this Magnetic sensor can not be to be positioned at charging detection device, but be positioned at electronic equipment or wireless charging device, and charging detection device and this electronic equipment or this wireless charging device communicate to make charging detection device to produce correct specific direction vibration prompt, to adjust the relative position between this wireless charging device and this electronic equipment.
In addition, with the same in the second embodiment, this wireless charging device also can be equipped with the generation of vibration unit of Vib. and so on, to complete above-mentioned directional vibration operation.Or, vibrated by this wireless charging device and this electronic equipment, to complete this relative position move operation simultaneously.
Hereinafter, with reference to Fig. 9 and Figure 10, the method and apparatus for electronic equipment being charged and detecting according to fourth embodiment of the invention is described.
Fig. 9 illustrates the method for measuring charged according to fourth embodiment of the invention, and Figure 10 illustrates the charging detection device 100 according to fourth embodiment of the invention.
And wherein in the time that between wireless charging device and electronic equipment, contraposition is not accurate enough, make the 3rd embodiment that electronic equipment automatically moves towards wireless charging device differently by generating specific direction vibration prompt, in the 4th embodiment, carry out reminding user and manually electronic equipment is moved towards wireless charging device by generating the specific direction information that indicates exactly the relative position between wireless charging device and electronic equipment, and then fast and directly both are aimed at exactly, and fully reduced because self-orientation vibrates the cost of realizing causing.
As illustrated in Figure 10, particularly, this prompting generation unit 140 can be specific direction information generation unit, for generating the specific direction information as the first prompting, described specific direction information is not only used to indicate described charge parameter and is less than described threshold parameter, can also point out the user of described electronic equipment in specific direction, to adjust the relative position between described electronic equipment and described wireless charging device, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place, wherein, described primary importance is that the magnetic field intensity that described wireless charging device produces is peaked position, and the described second place is the position of the charging circuit in described electronic equipment, the electric charge that described charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.At this moment, with in the 3rd embodiment similarly, this charging detection device 100 can also comprise: intensity sensing cell 150 and/or position determination unit 160.
As illustrated in Fig. 9, comprise according to the method for measuring charged of fourth embodiment of the invention:
In step S910, provide charging current to the battery of electronic equipment.
In step S920, detect the charge parameter of battery and generate the first testing result.
In step S930, the first testing result and threshold parameter are compared.
In step S940, if the first testing result is less than threshold parameter, the magnetic field intensity that sensing wireless charging device produces.
In step S950, determine primary importance and the second place.
Step S910 in the 4th embodiment is similar to S750 to the step S710 in the 3rd embodiment to S950, and therefore omits its detailed description.
In step S960, generate specific direction information.
As mentioned above, in the present embodiment, this prompting generation unit 140 can be specific direction information generation unit, it is when judging at this parameter comparing unit 130 between wireless charging device and electronic equipment that contraposition is not accurate enough, generate the specific direction information that indicates exactly the relative position between wireless charging device and electronic equipment for the user's prompting to described electronic equipment, so that user manually adjusts above-mentioned two equipment in specific direction.
Particularly, this parameter comparing unit 130 judge between wireless charging device and electronic equipment contraposition not accurate enough after, the magnetic field intensity of wireless charging device and described electronic equipment described in intensity sensing cell 150 sensings, and position determination unit 160 is determined primary importance and the second place according to this sensing result.
Next, after this position determination unit 160 receives determined primary importance and the second place, this specific direction information generation unit 140 generates according to these two positions the specific direction information that indicates specific direction, described specific direction is the direction of pointing to primary importance from the second place, and communicate with electronic equipment, to make pointing out between wireless charging device and electronic equipment contraposition not accurate enough to the user of described electronic equipment, and currently should in what direction, manually adjust the relative position between described electronic equipment and described wireless charging device, to increase the most efficiently described charge parameter, and artificially judge angle and the amplitude of adjustment without user.
For example, can be by comprising that at least one means in the multiple means such as sound, optics and vibration point out the user of described electronic equipment manually to adjust the relative position between described electronic equipment and described wireless charging device.
For example, this specific direction information generation unit 140 can play to user by the loudspeaker of electronic equipment the acoustic information of " please that electronic equipment is mobile to a direction (as: up and down etc.) ".Or, this specific direction information generation unit 140 can carry out to show to user by the display of electronic equipment the image information of " a direction arrow ", which direction mobile electronic device can make it aim at wireless charging device to user's prompting to.Also or, this specific direction information generation unit 140 can produce by the Vib. of electronic equipment vibration prompt etc. of this specific direction of deflection.
In step S970, judge the relativeness between primary importance and the second place.
In step S980, if the second place overlaps with primary importance, stop generating specific direction information.
Step S970 in the 4th embodiment is identical to S780 with the step S770 in the 3rd embodiment to S980, and therefore omits its detailed description.
Finally, it should be noted that, in order to prevent because user's excessive mobile electronic device in this specific direction makes electronic equipment and wireless charging device transfer to mutually and departing from again from coincidence position, preferably, this method for measuring charged can repeated execution of steps S950 to S980, until contraposition accurately till (, wireless charging device meets the demands to the charge efficiency of electronic equipment) between wireless charging device and electronic equipment.
As can be seen here, adopt the method and apparatus for electronic equipment being charged and detecting according to fourth embodiment of the invention, after can entering wireless charging mode, monitoring charge parameter also contrasts with predefined threshold value, if charge parameter is starkly lower than predefined threshold parameter, the magnetic field intensity of wireless charging device and described electronic equipment described in sensing, and generation indicates the specific direction information of both relative positions, to utilize sound, optics, the modes such as vibration are sent prompting (warning) information to user, making user can be informed in mobile electronic device in which direction can make it accurately aim at wireless charging device.Therefore, in the fourth embodiment of the present invention, can be at wireless charging device to the low charge efficiency of electric device battery, automatically send prompting (warning) information, so that prompting user manually adjusts the relative position between wireless charging device (transmitting terminal) and electronic equipment (receiving end) in specific direction, until both accurate contrapositions, thereby further improve the operating efficiency that the manual position carried out by user moves, avoid user's time that mobile electronic device spends in the opposite way round, user's charging experience and operating experience are improved significantly.
It should be noted that, although communicate to make electronic equipment to complete prompting operation to user as example has illustrated the method and apparatus for electronic equipment being charged and detecting according to fourth embodiment of the invention taking charging detection device and electronic equipment hereinbefore, the invention is not restricted to this.
As in the first embodiment, this charging detection device self and/or wireless charging device also can be equipped with input block and output unit, to complete above-mentioned prompting operation.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by means of software and realize, and can certainly all implement by software or hardware.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, disk, CD etc., comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Describe each embodiment of the present invention in the above in detail.But, it should be appreciated by those skilled in the art that without departing from the principles and spirit of the present invention, can carry out various amendments to these embodiment, combination or sub-portfolio, and such amendment should fall within the scope of the present invention.
Claims (20)
1. the method for electronic equipment being charged and detecting, described electronic equipment carries out wireless charging by wireless charging device, it is characterized in that, and described method comprises:
Battery to described electronic equipment provides charging current;
Detect the charge parameter of described battery and generate the first testing result;
Described the first testing result and threshold parameter are compared; And
If described the first testing result is less than described threshold parameter, generate the first prompting, described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
2. according to the method for claim 1, it is characterized in that, after generating the step of the first prompting, described method also comprises:
Again detect the charge parameter of described battery and generate the second testing result;
Described the second testing result and described threshold parameter are compared; And
If described the second testing result is more than or equal to described threshold parameter, stop generating described the first prompting.
3. according to the method for claim 1, it is characterized in that, described first prompts for specific direction information, described specific direction information is not only used to indicate described charge parameter and is less than described threshold parameter, can also point out the user of described electronic equipment in specific direction, to adjust the relative position between described electronic equipment and described wireless charging device, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place
Wherein, described primary importance is that the magnetic field intensity that described wireless charging device produces is peaked position, and
The described second place is the position of the charging circuit in described electronic equipment, the electric charge that described charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.
4. according to the method for claim 1, it is characterized in that, described first prompts for vibration prompt.
5. according to the method for claim 4, it is characterized in that, described vibration prompt comprises first direction vibration prompt, and described first direction vibration prompt is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment and move towards first direction.
6. according to the method for claim 5, it is characterized in that, after generating the step of the first prompting, described method also comprises:
Again detect the charge parameter of described battery and generate the second testing result;
Described the second testing result and described threshold parameter are compared; And
If described the second testing result is more than or equal to described threshold parameter, stop generating described the first prompting.
7. according to the method for claim 6, it is characterized in that, described method also comprises:
If described the second testing result is less than described threshold parameter, described the second testing result and described the first testing result are compared; And
If described the second testing result is less than described the first testing result, stop generating described first direction vibration prompt and generate second direction vibration prompt, described second direction vibration prompt is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment and move towards second direction, described second direction is different from described first direction.
8. according to the method for claim 4, it is characterized in that, described vibration prompt is specific direction vibration prompt, described specific direction vibration is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment moves towards specific direction, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place
Wherein, described primary importance is that the magnetic field intensity that described wireless charging device produces is peaked position, and
The described second place is the position of the charging circuit in described electronic equipment, the electric charge that described charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.
9. according to the method for claim 3 or 8, it is characterized in that, before generating the step of the first prompting, described method also comprises:
The magnetic field intensity that described in sensing, wireless charging device produces; And
Determine described primary importance and the described second place.
10. according to the method for claim 9, it is characterized in that, after generating the step of the first prompting, described method also comprises:
Judge the relativeness between described primary importance and the described second place; And
If the described second place overlaps with described primary importance, stop generating described the first prompting.
11. 1 kinds of devices for electronic equipment being charged and detecting, described electronic equipment carries out wireless charging by wireless charging device, it is characterized in that, and described device comprises:
Electric current provides unit, provides charging current for the battery to described electronic equipment;
Parameter detecting unit, for detection of the charge parameter of described battery and generate the first testing result;
Parameter comparing unit, for comparing described the first testing result and threshold parameter; And
Prompting generation unit, if be less than described threshold parameter for described the first testing result, generates the first prompting, and described the first prompting is used to indicate described charge parameter and is less than described threshold parameter.
12. according to the device of claim 11, it is characterized in that,
Described parameter detecting unit, after described prompting generation unit generates the first prompting, again detects the charge parameter of described battery and generates the second testing result,
Described parameter comparing unit compares described the second testing result and described threshold parameter, and
If described the second testing result is more than or equal to described threshold parameter, described prompting generation unit stops generating described the first prompting.
13. according to the device of claim 11, it is characterized in that, described first prompts for specific direction information, described specific direction information is for pointing out the user of described electronic equipment to adjust the relative position between described electronic equipment and described wireless charging device at specific direction, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place
Wherein, described primary importance is that the magnetic field intensity that described wireless charging device produces is peaked position, and
The described second place is the position of the charging circuit in described electronic equipment, the electric charge that described charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.
14. according to the device of claim 11, it is characterized in that, described first prompts for vibration prompt.
15. according to the device of claim 14, it is characterized in that, described vibration prompt comprises first direction vibration prompt, and described first direction vibration prompt is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment and move towards first direction.
16. according to the device of claim 15, it is characterized in that,
Described parameter detecting unit, after described prompting generation unit generates the first prompting, again detects the charge parameter of described battery and generates the second testing result,
Described parameter comparing unit compares described the second testing result and described threshold parameter, and
If described the second testing result is more than or equal to described threshold parameter, described prompting generation unit stops generating described the first prompting.
17. according to the device of claim 16, it is characterized in that,
If described the second testing result is less than described threshold parameter, described parameter comparing unit compares described the second testing result and described the first testing result, and
If described the second testing result is less than described the first testing result, described prompting generation unit stops generating described first direction vibration prompt and generates second direction vibration prompt, described second direction vibration prompt is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment and move towards second direction, described second direction is different from described first direction.
18. according to the device of claim 14, it is characterized in that, described vibration prompt is specific direction vibration prompt, described specific direction vibration is not only used to indicate described charge parameter and is less than described threshold parameter, can also control described electronic equipment moves towards specific direction, to increase described charge parameter, described specific direction is the direction of pointing to primary importance from the second place
Wherein, described primary importance is that the magnetic field intensity that described wireless charging device produces is peaked position, and
The described second place is the position of the charging circuit in described electronic equipment, the electric charge that described charging circuit transmits to described electronic equipment for receiving described wireless charging device, and utilize described electric charge to charge to described battery.
19. according to the device of claim 13 or 18, it is characterized in that, described device also comprises:
Intensity sensing cell, before generating the first prompting at described prompting generation unit, the magnetic field intensity that wireless charging device produces described in sensing; And
Position determination unit, for determining described primary importance and the described second place.
20. according to the device of claim 19, it is characterized in that,
Described position determination unit, after described prompting generation unit generates the first prompting, judges the relativeness between described primary importance and the described second place, and
If the described second place overlaps with described primary importance, described prompting generation unit stops generating described the first prompting.
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