CN103545850A - Electronic device - Google Patents
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- CN103545850A CN103545850A CN201210237795.9A CN201210237795A CN103545850A CN 103545850 A CN103545850 A CN 103545850A CN 201210237795 A CN201210237795 A CN 201210237795A CN 103545850 A CN103545850 A CN 103545850A
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Abstract
The invention discloses an electronic device. The electronic device can convert power in a rechargeable battery into magnetic energy to output, so that other electronic devices can acquire required energy through electromagnetic induction. When electric quantity of a rechargeable battery of one electronic device is insufficient and the rechargeable battery needs to be charged, the rechargeable battery can receive power from a rechargeable battery of another electronic device in a wireless manner, so that wireless charging among electronic devices is implemented, and the electronic devices can continue operating. According to the electronic device, a frequency modulation circuit is utilized to increase the frequency of the alternating current before the alternating current is transmitted, the size of a coil can decreased effectively, and the requirements of electronic device miniaturization can be better met. Since the power of the rechargeable battery can be converted, a user dose not need to find a fixed mains socket to charge, and the requirements of the user when out can be met; the electronic device has prolonged operation time on the premise of no extension of battery capacity.
Description
Technical field
The present invention relates to wireless charging technical field, particularly relate to a kind of electronic equipment.
Background technology
Along with scientific and technical progress, the electronic equipment that facilitates user to carry is also more and more, as mobile phone, notebook computer, camera, panel computer etc., a lot of help that these electronic equipments provide for user, also more and more tightr with contacting of user's daily life, working and learning.
In order to support these electronic device works, need to be that these electronic equipments are equipped with rechargeable batteries, use rechargeable battery to power for electronic equipment.Yet along with the variation day by day of electronic functionalities, the power consumption of electronic equipment is also more and more higher.In to the routine use of electronic equipment, usually occur only having used a bit of time electronic equipment just to point out electric weight not enough, the situation that cannot work.
Although can allow in rechargeable battery and can be filled with more electric energy by expanding the mode of rechargeable battery capacity, such processing mode must make the volume of rechargeable battery become large, meanwhile, it is that large capacity rechargeable battery charges that user needs the more time.Meanwhile, the fail safe of high capacity cell is also low than small-capacity cells.
Therefore, how not increase under the prerequisite of rechargeable battery capacity, making electronic equipment there is the longer operating time and be still the technical problem of needing in the industry solution badly.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of electronic equipment, has the object of longer operating time to realize electronic equipment, and technical scheme is as follows:
, comprising: rechargeable battery and the electromagnetic emission unit being connected with described rechargeable battery, described electromagnetic emission unit comprises: DA transducer, frequency modulation circuit and the first coil,
Described DA transducer is connected with described rechargeable battery, and the first direct voltage of described rechargeable battery is converted to the first alternating voltage;
Described frequency modulation circuit is connected with described DA transducer, and the frequency of described the first alternating voltage is carried out to modulation treatment, generates the first voltage, and wherein, the frequency of described the first voltage is higher than the frequency of described the first alternating voltage;
Described the first coil is connected with described frequency modulation circuit, by described the first voltage transitions, is magnetic energy output.
Preferably, described electronic equipment also with another electronic equipment wireless connections, by described the first coil, described magnetic energy is input in described another electronic equipment, so that described another electronic equipment is carried out to charging process.
Preferably,, also comprise: the electromagnetism receiving element being connected with described rechargeable battery, for being described rechargeable battery charging by receiving the magnetic energy of other electronic equipments outputs and being converted into electric energy.
Preferably, described electromagnetism receiving element comprises: AD converter, frequency demodulation circuit and the second coil,
The magnetic energy of described second coil-induced other electronic equipment outputs is also converted into second voltage;
Described frequency demodulation circuit is connected with described the second coil, and the frequency of described second voltage is carried out to demodulation process, the second alternating voltage of generation, and wherein, the frequency of described the second alternating voltage is lower than the frequency of described second voltage;
Described AD converter is connected with described frequency demodulation circuit, and described the second alternating voltage is converted to the second direct voltage;
Described AD converter is also connected with described rechargeable battery, and using described the second direct voltage is that described rechargeable battery carries out charging process.
Preferably, also comprise: controller, described controller is connected with described electromagnetic emission unit, controls described electromagnetic emission unit and carries out work.
Preferably, also comprise: controller, described electromagnetism receiving element, described electromagnetism receiving element are connected with described controller respectively, and described electromagnetism receiving element controlled by described controller and described electromagnetism transmitting element carries out work.
Preferably, also comprise: the range sensor being connected with described controller, the first distance of induction and other electric rooms, when described the first distance is less than default first threshold, sends first signal to described controller.
Preferably, after receiving described first signal, described controller is exported the first information by output equipment to user.
Preferably, described controller, after the first instruction that receives user, is controlled described electromagnetic emission unit or described electromagnetism receiving element is started working.
Preferably, described controller is also connected with described rechargeable battery, when the electric weight in detecting described rechargeable battery is greater than default Second Threshold, controls described electromagnetism receiving element and quits work.
By applying above technical scheme, a kind of electronic equipment that the embodiment of the present invention provides, can be converted to the electric energy in rechargeable battery magnetic energy output, thereby make other electronic equipments to obtain needed energy by electromagnetic induction.When the electric quantity of rechargeable battery deficiency of a certain electronic equipment need to be charged, the electric energy in just can another electronic equipment rechargeable battery of wireless receiving, thus realized the wireless charging of electric room, electronic equipment can be worked on.The frequency of frequency of utilization modulation circuit raising alternating current of the present invention is transmitted the size that can effectively reduce coil again, more meets the needs of electronics miniaturization.Because the present invention can transform the energy of rechargeable battery, so user need to not charge finding fixing city's electrical outlet, more meets the needs that user goes out.The present invention can make electronic equipment not increase under the prerequisite of battery capacity, extends the operating time of electronic equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of electronic equipment that Fig. 1 provides for the embodiment of the present invention;
The structural representation of electromagnetic emission unit in a kind of electronic equipment that Fig. 2 provides for the embodiment of the present invention;
A kind of electronic equipment that Fig. 3 provides for the embodiment of the present invention and the connection diagram of other electronic equipments;
The structural representation of the another kind of electronic equipment that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 9 provides for the embodiment of the present invention.
Embodiment
In order to make those skilled in the art person understand better the technical scheme in the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, should belong to the scope of protection of the invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of electronic equipment 001, can comprise: rechargeable battery 100 and the electromagnetic emission unit 200 being connected with described rechargeable battery 100, as shown in Figure 2, described electromagnetic emission unit 200 can comprise: DA transducer 210, frequency modulation circuit 220 and the first coil 230
Described DA transducer 210 is connected with described rechargeable battery 100, and the first direct voltage of described rechargeable battery 100 is converted to the first alternating voltage;
Be understandable that, DA transducer 210 can be converted to analog quantity by digital quantity, when being input as direct voltage, just converting direct-current voltage into alternating-current voltage can be exported.
Described frequency modulation circuit 220 is connected with described DA transducer 210, and the frequency of described the first alternating voltage is carried out to modulation treatment, generates the first voltage, and wherein, the frequency of described the first voltage is higher than the frequency of described the first alternating voltage;
Because the frequency of the first alternating voltage of DA transducer 210 output is lower, and be not suitable for the wireless transmission of electric weight.Because electromagnetic frequency is low, its wavelength is longer, and corresponding, coil that just need to be longer carries out electromagnetic transmitting and receiving.Because the size of electronic equipment is limit, need to use less coil, therefore the frequency of the first alternating voltage can be carried out to modulation treatment, the first voltage that generated frequency is higher.
Described the first coil 230 is connected with described frequency modulation circuit 220, by described the first voltage transitions, is magnetic energy output.
Wherein, the first voltage that frequency is higher can be exported by the first coil 230, due to the characteristic of alternating current, magnetic flux is changed.While including coil in other electronic equipments around, will respond to generation electromotive force, thereby realize the wireless transmission of energy in rechargeable battery.
Wherein, described electronic equipment 001 can be mobile phone, notebook computer, camera, panel computer, multimedia player etc.
A kind of electronic equipment that the embodiment of the present invention provides, can be converted to the electric energy in rechargeable battery magnetic energy output, thereby make other electronic equipments to obtain needed energy by electromagnetic induction.When the electric quantity of rechargeable battery deficiency of a certain electronic equipment need to be charged, the electric energy in just can another electronic equipment rechargeable battery of wireless receiving, thus realized the wireless charging of electric room, electronic equipment can be worked on.The frequency of frequency of utilization modulation circuit raising alternating current of the present invention is transmitted the size that can effectively reduce coil again, more meets the needs of electronics miniaturization.Because the present invention can transform the energy of rechargeable battery, so user need to not charge finding fixing city's electrical outlet, more meets the needs that user goes out.The present invention can make electronic equipment not increase under the prerequisite of battery capacity, extends the operating time of electronic equipment.
As shown in Figure 3, described electronic equipment 001 can also with another electronic equipment 002 wireless connections, by described the first coil 230, described magnetic energy is input in described another electronic equipment 002, so that described another electronic equipment 002 is carried out to charging process.
In actual applications, user may carry a plurality of electronic equipments simultaneously, and at this moment, when the situation of electric weight deficiency appears in a certain electronic equipment, other electronic equipments just can carry out wireless charging to it.As: user travels outdoors, and has carried mobile phone and camera simultaneously, and mobile phone occurs that electric weight is not enough, and user cannot normally call, and at this moment just can use camera to carry out wireless charging to mobile phone.For another example: when the mobile phone electric weight that carries as user is not enough, can use friend's the electronic equipments such as mobile phone to carry out wireless charging to it.
Be understandable that, in another electronic equipment 002, only need to be provided with the device that can induced flux changes and be converted to electric energy, as coil.Certainly, in another electronic equipment 002, can also comprise circuit and the device that some are processed alternating current, the present invention does not limit at this.
As shown in Figure 4, in the another kind of electronic equipment 001 that the embodiment of the present invention provides, can also comprise: the electromagnetism receiving element 300 being connected with described rechargeable battery 100, for being described rechargeable battery 100 chargings by receiving the magnetic energy of other electronic equipments outputs and being converted into electric energy.
Be understandable that, while having electromagnetism receiving element 300 and electromagnetic emission unit 200 in electronic equipment 001, electronic equipment 001 both can be other electronic equipments chargings simultaneously, also can allow other electronic equipments be electronic equipment 001 charging, and applicability is better.
As shown in Figure 5, the described electromagnetism receiving element 300 in the another kind of electronic equipment 001 that the embodiment of the present invention provides can comprise: AD converter 310, frequency demodulation circuit 320 and the second coil 330,
The magnetic energy of described second other electronic equipment outputs of coil 330 inductions is also converted into second voltage;
Be understandable that, when the second coil 330 magnetic flux around changes, the second coil 330 just can produce induced electromotive force, and magnetic energy is converted to alternating current, thus output AC voltage.
In actual applications, the first coil 230 and the second coil 330 can be same coil.
Described frequency demodulation circuit 320 is connected with described the second coil 330, and the frequency of described second voltage is carried out to demodulation process, generates the second alternating voltage, and wherein, the frequency of described the second alternating voltage is lower than the frequency of described second voltage;
It will be appreciated by persons skilled in the art that corresponding to frequency of utilization modulation circuit 220, the present invention can be demodulated into by second voltage the alternating voltage that frequency is lower by frequency demodulation circuit 320.
Described AD converter 310 is connected with described frequency demodulation circuit 320, and described the second alternating voltage is converted to the second direct voltage;
Be understandable that, AD converter can be converted to digital quantity by analog quantity, when being input as the second alternating voltage, just can be converted to the second direct voltage.
Described AD converter 310 is also connected with described rechargeable battery 100, and using described the second direct voltage is that described rechargeable battery 100 carries out charging process.
As shown in Figure 6, the another kind of electronic equipment 001 that the embodiment of the present invention provides, can also comprise: controller 400, described controller 400 is connected with described electromagnetic emission unit 200, controls described electromagnetic emission unit 200 and carries out work.
In actual applications, controller 400 can receive user's instruction and according to user's instruction, control electromagnetic emission unit 200 and carry out work.Concrete, controller 400 can make electromagnetic emission unit 200 in running order according to user's OPEN, according to user's out code, makes electromagnetic emission unit 200 in non operating state.
As shown in Figure 7, in the another kind of electronic equipment that the embodiment of the present invention provides, can also comprise: controller 400, described electromagnetic emission unit 200, described electromagnetism receiving element 300 are connected with described controller 400 respectively, and described electromagnetism receiving element 300 controlled by described controller 400 and described electromagnetic emission unit 200 carries out work.
In actual applications, controller 400 can receive user's instruction and carry out work according to user's instruction control electromagnetic emission unit 200 and electromagnetism receiving element 300.
As shown in Fig. 8 and Fig. 9, in the another kind of electronic equipment that the embodiment of the present invention provides, can also comprise: the range sensor 500 being connected with described controller 400, the first distance of induction and other electric rooms, when described the first distance is less than default first threshold, to described controller 400, send first signal.
Be understandable that, for the efficiency of electromagnetic induction, consider, need to carry out two electric room close together of wireless charging, therefore can 500 inductions of service range transducer the two the first distance and provide foundation for controller 400.Wherein, electronic equipment shown in Fig. 8 comprises electromagnetic emission unit 200, and electronic equipment shown in Fig. 9 comprises electromagnetic emission unit 200 and electromagnetism receiving element 300.
In the another kind of electronic equipment providing in the embodiment of the present invention, after receiving described first signal, described controller 400 can be exported the first information to user by output equipment.
Wherein, the first information can be for pointing out the information within the scope of wireless charging of two electronic equipments of user.The first information also can carry out the information of wireless charging for prompting user.
In the another kind of electronic equipment providing in the embodiment of the present invention, described controller 400, after the first instruction that receives user, can be controlled described electromagnetic emission unit 200 or described electromagnetism receiving element 300 is started working.
Wherein, the first instruction can confirm to start to carry out for user the instruction of wireless charging.
In actual applications, user can only open the needed unit of wireless charging.As: when user's electronic equipment is electric energy recipient, user only needs to open electromagnetism receiving element 300, makes it carry out work.When user's electronic equipment is electric energy output side, user only needs to open electromagnetic emission unit 200, makes it carry out work.
In the another kind of electronic equipment 001 providing in the embodiment of the present invention, described controller 400 can also be connected with described rechargeable battery 100, when the electric weight in detecting described rechargeable battery 100 is greater than default Second Threshold, controls described electromagnetism receiving element 300 and quit work.
Be understandable that, after the electric weight in rechargeable battery 100 is full of, just can allow electromagnetism receiving element 300 quit work.Preferably, when the electric weight in electronic equipment 001 in rechargeable battery is greater than default Second Threshold, can also sends a message and refer in other electronic equipments for electronic equipment 001 charging, the electromagnetic emission unit in it is quit work.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, each embodiment stresses is the difference with other embodiment.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an electronic equipment, is characterized in that, comprising: rechargeable battery and the electromagnetic emission unit being connected with described rechargeable battery, and described electromagnetic emission unit comprises: DA transducer, frequency modulation circuit and the first coil,
Described DA transducer is connected with described rechargeable battery, and the first direct voltage of described rechargeable battery is converted to the first alternating voltage;
Described frequency modulation circuit is connected with described DA transducer, and the frequency of described the first alternating voltage is carried out to modulation treatment, generates the first voltage, and wherein, the frequency of described the first voltage is higher than the frequency of described the first alternating voltage;
Described the first coil is connected with described frequency modulation circuit, by described the first voltage transitions, is magnetic energy output.
2. electronic equipment according to claim 1, it is characterized in that, described electronic equipment also with another electronic equipment wireless connections, by described the first coil, described magnetic energy is input in described another electronic equipment, so that described another electronic equipment is carried out to charging process.
3. electronic equipment according to claim 1 and 2, is characterized in that, also comprises: the electromagnetism receiving element being connected with described rechargeable battery, and for being described rechargeable battery charging by receiving the magnetic energy of other electronic equipments outputs and being converted into electric energy.
4. electronic equipment according to claim 3, is characterized in that, described electromagnetism receiving element comprises: AD converter, frequency demodulation circuit and the second coil,
The magnetic energy of described second coil-induced other electronic equipment outputs is also converted into second voltage;
Described frequency demodulation circuit is connected with described the second coil, and the frequency of described second voltage is carried out to demodulation process, the second alternating voltage of generation, and wherein, the frequency of described the second alternating voltage is lower than the frequency of described second voltage;
Described AD converter is connected with described frequency demodulation circuit, and described the second alternating voltage is converted to the second direct voltage;
Described AD converter is also connected with described rechargeable battery, and using described the second direct voltage is that described rechargeable battery carries out charging process.
5. electronic equipment according to claim 1, is characterized in that, also comprises: controller, described controller is connected with described electromagnetic emission unit, controls described electromagnetic emission unit and carries out work.
6. electronic equipment according to claim 3, it is characterized in that, also comprise: controller, described electromagnetism receiving element, described electromagnetism receiving element are connected with described controller respectively, and described electromagnetism receiving element controlled by described controller and described electromagnetism transmitting element carries out work.
7. according to the electronic equipment described in claim 5 or 6, it is characterized in that, also comprise: the range sensor being connected with described controller, the first distance of induction and other electric rooms, when described the first distance is less than default first threshold, to described controller, send first signal.
8. electronic equipment according to claim 7, is characterized in that, after receiving described first signal, described controller is exported the first information by output equipment to user.
9. electronic equipment according to claim 8, is characterized in that, described controller, after the first instruction that receives user, is controlled described electromagnetic emission unit or described electromagnetism receiving element is started working.
10. according to the electronic equipment described in claim 5 or 6, it is characterized in that, described controller is also connected with described rechargeable battery, when the electric weight in detecting described rechargeable battery is greater than default Second Threshold, controls described electromagnetism receiving element and quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210237795.9A CN103545850B (en) | 2012-07-09 | 2012-07-09 | A kind of electronic equipment |
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| CN201210237795.9A CN103545850B (en) | 2012-07-09 | 2012-07-09 | A kind of electronic equipment |
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| CN103545850A true CN103545850A (en) | 2014-01-29 |
| CN103545850B CN103545850B (en) | 2017-06-27 |
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| CN201210237795.9A Active CN103545850B (en) | 2012-07-09 | 2012-07-09 | A kind of electronic equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103762695A (en) * | 2014-02-11 | 2014-04-30 | 联想(北京)有限公司 | Electronic equipment with wireless charging function and electronic equipment with wireless charged function |
| CN104901435A (en) * | 2015-06-03 | 2015-09-09 | 北京有感科技有限责任公司 | Wireless power supply device, wireless charging system and wireless charging method |
| CN105576845A (en) * | 2016-02-25 | 2016-05-11 | 苏州立感电子科技有限公司 | Wireless power supply device, wireless charging system and wireless charging method |
| CN106451636A (en) * | 2016-10-27 | 2017-02-22 | 广东小天才科技有限公司 | Charging protection method and device and terminal equipment |
| CN113612285A (en) * | 2021-08-13 | 2021-11-05 | 广州城市理工学院 | Automatic forward and reverse charging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103762695A (en) * | 2014-02-11 | 2014-04-30 | 联想(北京)有限公司 | Electronic equipment with wireless charging function and electronic equipment with wireless charged function |
| CN104901435A (en) * | 2015-06-03 | 2015-09-09 | 北京有感科技有限责任公司 | Wireless power supply device, wireless charging system and wireless charging method |
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| CN113612285A (en) * | 2021-08-13 | 2021-11-05 | 广州城市理工学院 | Automatic forward and reverse charging method |
| CN113612285B (en) * | 2021-08-13 | 2023-06-02 | 广州城市理工学院 | Automatic forward and reverse charging method |
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| CN103545850B (en) | 2017-06-27 |
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