CN101330229A - Non-contact type apparatus for transmitting electric energy - Google Patents
Non-contact type apparatus for transmitting electric energy Download PDFInfo
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- CN101330229A CN101330229A CNA2007101112837A CN200710111283A CN101330229A CN 101330229 A CN101330229 A CN 101330229A CN A2007101112837 A CNA2007101112837 A CN A2007101112837A CN 200710111283 A CN200710111283 A CN 200710111283A CN 101330229 A CN101330229 A CN 101330229A
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Abstract
The invention relates to a non-contact electrical energy transmission device, particularly a non-contact charging device between an electrical energy emission device and an electrical energy receiving device, so as to realize the information exchange between the electrical energy emission device and the electrical energy reception device. The technical proposal is as follows: the electrical energy emission device and the electrical energy receiving device carry out the electrical energy transmission through coupling two air core coils. Additionally, the device utilizes the RFID technique to realize the information exchange between the electrical energy emission device and the electrical energy receiving device. On one hand, the electrical energy emission device performs the identification of the electrical energy receiving device, that is, the ID identification; on the other hand, the information exchange of the charging state between the electrical energy emission device and the electrical energy reception device is realized, thereby realizing the real-time monitoring of the charging process. Therefore, the non-contact electrical energy transmission device ensures the safe and controllable electrical energy transmission.
Description
Technical field
The present invention relates to a kind of non-contact type apparatus for transmitting electric energy.
Background technology
Development of science and technology is maked rapid progress, and various portable electronic products such as mobile phone, digital camera, palmtop PC, PDA etc. are more and more.For electronic product dissimilar or the same kind different model, supplying cell is disunity all, so each electronic product all has a charging device that matches, and objectionable intermingling.So both waste resource, increased the cost of product, be unfavorable for environmental protection again.The problem of its existence promptly is that charging device is not general, charging device can only be the electronic product charging of a certain specific model, if charging device and electronic product do not mate, charging device can not carry out identification to electronic product, can not discern battery types and adjust the power of its charging, may damage electronic product.In addition, existing charging device is most of to charge to electronic product for wired mode, and for the user, charging also is cumbersome.
Summary of the invention
The present invention has overcome some shortcomings that exist in the prior art, and a kind of non-contact type apparatus for transmitting electric energy with information interaction function is provided, and the present invention includes electric energy transmitting apparatus and electric energy receiving equipment.Electric energy transmitting apparatus and electric energy receiving equipment carry out electric energy transmitting by two hollows to the coupling between hollow coil.This device utilizes the RFID technology to realize carrying out information interaction between electric energy transmitting apparatus and the electric energy receiving equipment simultaneously, and the electric energy transmitting apparatus carries out identification to the electric energy receiving equipment on the one hand, i.e. ID authentication; Electric energy transmitting apparatus and electric energy receiving equipment carry out the mutual of charging status information on the other hand, monitor charging process in real time.
Technical scheme of the present invention is:
The present invention includes two parts: electric energy transmitting apparatus and electric energy receiving equipment.
Described electric energy transmitting apparatus and electric energy receiving equipment utilize the RFID technology to realize carrying out information interaction between electric energy transmitting apparatus and the electric energy accepting device by the coil coupling realization electric energy transmitting of two hollows to hollow.
Described non-contact type apparatus for transmitting electric energy, in order to realize the mutual of information, the electric energy receiving equipment has loaded the IC chip that can rewrite product information.
Described non-contact type apparatus for transmitting electric energy is the safe charging device that carries out the ID authentication according to product information.
Described non-contact type apparatus for transmitting electric energy, electric energy transmitting apparatus and electric energy receiving equipment are mutual by charging status information, monitor charging process in real time.
Described non-contact type apparatus for transmitting electric energy, before electric energy transmitting, electric energy transmitting apparatus and electric energy receiving equipment will carry out information interaction.
Described non-contact type apparatus for transmitting electric energy, electric energy transmitting apparatus confirm after the product information, according to product information to battery charge.
The present invention compared with prior art, its profitable fruit is, the present invention utilizes hollow that the coupling between hollow coil is realized contactless power transfer, electric energy transmitting efficient height; The electric energy transmitting apparatus is equipped with the software that can control charge power according to charge volume, chargeable ascending various products; The electric energy transmitting apparatus has loaded the IC chip that can rewrite product information, has realized miniaturization (ICization); The electric energy transmitting apparatus utilizes the RFID technology to find out dissimilar electronic products, charges for dissimilar electronic products simultaneously, such as mobile phone, PDA, music player, digital camera etc., has realized the versatility of charging device.
Description of drawings
Fig. 1 is basic conception figure of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is a charging process flow chart of the present invention.
Embodiment
Fig. 1 illustrates the present invention and comprises two parts: electric energy transmitting apparatus 1, electric energy receiving equipment 2.Adjust the height and position relation of hollow coil 11 and hollow coil 21, when two hollows are the 2-30 millimeter to the distance between the hollow coil, reach the Best Coupling state, can make device charge efficiency height.
Fig. 2 illustrates structure of the present invention.Respectively electric energy transmitting apparatus and electric energy receiving equipment are described in detail.
The electric energy transmitting apparatus comprises hollow coil 11, driver control part 12, drive division 13, control signal treatment circuit 14, detection portion (ID authentication, abnormality detection) 15, RFID information and passes the portion 16 that connects, electric current and detect parts such as 17.Insert at device under the state of AC power supplies, hollow coil 11 can not send electricity earlier, is in minimum power consumption state when or else the electric energy transmitting apparatus is charged.RFID information biography meets portion 16 and sends faintness wave (RFID sensing intermittently), if have the energy receiving equipment close this moment, then can catch the feedback signal of RFID, according to feedback signal, certified product is confirmed information such as name of product, manufacturer, battery types, battery capacity, state of charge.RFID can realize multiple target identification, and promptly in this device, the electric energy transmitting apparatus can be surveyed a plurality of different types of electrical equipment simultaneously.RFID information biography meets portion 16 product information that obtains is sent into detection portion 15, detection portion 15 comprises ID Verification System and abnormality detection system, be responsible for ID authentication and abnormality detection respectively, by preliminary authentication, whether the electric energy transmitting apparatus can be discerned near object is effective chargeable electrical equipment; By further authentication, the electric energy transmitting apparatus is confirmed product information.Abnormality detection system, promptly detecting in charging process has no abnormally, if abnormal conditions are arranged, then by control signal treatment circuit 14, control electric energy transmitting apparatus stops charging at once.Have in the main detection of this system: (1) detects inductance, be in electric energy transmitting apparatus and the electric energy receiving equipment two hollow coils detect the excess load electric current in conjunction with situation (2), promptly detect electric current and detect 17 current conditions (3) temperature detection, when there is a plurality of electric energy receiving equipment on electric energy transmitting apparatus surface, even initial temperature disequilibrium also can detect.Driver control part 12, drive division 13 are equipped with the software that can control charge power according to charge volume, can make the electric energy transmitting apparatus give descending various product chargings.
The electric energy receiving equipment comprises hollow coil 21, RFID/IC mark 22, ID authentication department 23, charging control, charge information portion 24, rechargeable battery 25.RFID/IC mark 22, promptly the electric energy receiving equipment has loaded the IC chip that can rewrite product information, by the read-write to the IC chip, realizes carrying out information interaction between electric energy transmitting apparatus and the electric energy receiving equipment.Charge information, charging control section 24 write the IC chip in real time promptly by the safe charging of control circuit realization to battery, and with charging status information, feed back to the electric energy transmitting apparatus, make it to monitor in real time charging process.
Fig. 3 illustrates charging process of the present invention
1, the electric energy transmitting apparatus inserts AC power supplies, and hollow coil can not send electricity earlier, and power circuit is in minimum power consumption state.
2, the electric energy transmitting apparatus begins to seek equipment to be charged, as seeks success, then detects the other side's ID, and whether preliminary authentication is effective rechargeable devices.
If 3 is effective rechargeable devices, then the electric energy transmitting apparatus detects product information to be charged, product information is further authenticated, i.e. name of product, manufacturer, battery types, battery capacity, state of charge etc.
4, the electric energy transmitting apparatus is given equipment charge to be charged according to product information, start the abnormality detection system of electric energy transmitting apparatus simultaneously, detect and show that by indicator light charge efficiency is to judge the couple state of two hollow coils, indicator light is red, illustrate that coil does not reach the most basic coupling, such charge efficiency is not enough, can't carry out charging operations, needs to adjust the position relation of equipment room this moment; Indicator light is red flicker, illustrates that the coil coupling meets the requirements substantially, can carry out charging operations, does not just reach Best Coupling.If but could not satisfy the requirement of the quick charge of equipment to be charged, the electric energy transmitting apparatus could be a cost to sacrifice charge efficiency, adjusts charge power; Indicator light is green flicker, illustrates that coil has reached the Best Coupling state, and the electric energy transmitting apparatus charges the battery, and charge efficiency is than higher.Indicator light is green, illustrates that battery is full of.
5, in charging process, monitor the charged state of equipment to be charged in real time.Show charged state by indicator light, described in 4, indicator light is that red flicker or green flicker explanation are being charged, and indicator light is that green illustrates that then charging finishes.Generation unusually or battery is in full state in the charging process, then stops charging; Battery underfill and no abnormal generation then continue charging, till being full of.
Previous exemplary embodiment and advantage only are exemplary, and are not interpreted as limiting the present invention.The present invention easily can be applied to the equipment of other type.And, the description of example embodiment of the present invention is intended to illustrative, but not limits the scope of the invention, and for a person skilled in the art, a lot of replacements, modifications and variations will be conspicuous.
Claims (14)
1, a kind of non-contact type apparatus for transmitting electric energy comprises two parts: electric energy transmitting apparatus, electric energy receiving equipment.It is characterized in that: can carry out information interaction between described electric energy transmitting apparatus and the described electric energy receiving equipment, thereby realize electric energy safe, controlled transmission.
2, non-contact type apparatus for transmitting electric energy according to claim 1 is characterized in that: described information comprises product information and charging status information.
3, according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-2, it is characterized in that: coupling realizes electric energy transmitting to hollow coil by two hollows for electric energy transmitting apparatus and electric energy receiving equipment, utilizes the RFID technology to realize information interaction.
4, non-contact type apparatus for transmitting electric energy according to claim 3 is characterized in that: when two hollows of electric energy transmitting apparatus and electric energy receiving equipment are the 2-30 millimeter to the distance between the hollow coil, can reach the Best Coupling state.
5, according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-4, it is characterized in that: electric energy transmitting apparatus and electric energy receiving equipment are mutual by product information, carry out the ID authentication to realize safe charging.
6, according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-5, it is characterized in that: electric energy transmitting apparatus and electric energy receiving equipment are mutual by charging status information, monitor charging process in real time.
7, according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-6, it is characterized in that described electric energy transmitting apparatus comprises:
Hollow coil is used for being coupled to realize electric energy transmitting with the hollow coil of electric energy receiving equipment;
RFID information passes and meets portion, is used for surveying equipment to be charged by the RFID technology;
Detection portion is used for carrying out the ID authentication according to the product information that passes the portion's of connecing reception from RFID information, and the detection of the abnormal conditions of can charging;
The control signal treatment circuit is used for the control of charging of signal according to detection portion output.
8,, it is characterized in that described electric energy transmitting apparatus can survey a plurality of dissimilar electronic products by the RFID technology, and a plurality of dissimilar electronic products are charged simultaneously according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-7.
9,, it is characterized in that described electric energy transmitting apparatus can adjust charge power according to charge volume according to described non-contact type apparatus for transmitting electric energy one of among the claim 1-8.
10, according to the described non-contact type apparatus for transmitting electric energy of claim 3-9, it is characterized in that the described electric energy transmitting apparatus abnormal conditions of can charging detect, the abnormality detection content comprises:
Inductance detects, promptly in electric energy transmitting apparatus and the electric energy receiving equipment two hollow coils in conjunction with situation;
Excess load current detecting, the i.e. current conditions of two hollow coils;
When temperature detection, electric energy transmitting apparatus surface have a plurality of electric energy receiving equipment, even initial temperature disequilibrium also can detect.
11, non-contact type apparatus for transmitting electric energy according to claim 1 is characterized in that described electric energy receiving equipment comprises:
Hollow coil is used for being coupled to realize electric energy transmitting with the hollow coil of electric energy transmitting apparatus;
ID authentication department is used for the identification to electric energy transmitting apparatus charge power.The electric energy receiving equipment can be selected charge mode according to the battery condition of charge power and battery, and transmits signal to charge information, charging control section, and the control charging circuit is to battery charge.
RFID/IC mark, embedding can rewrite the IC chip of product information, by the read-write to this IC chip, realize carrying out information interaction between electric energy transmitting apparatus and the electric energy receiving equipment;
Charging control, charge information portion, be responsible for charging control and battery management, promptly by the safe charging of control circuit realization to battery, control writes the IC chip in real time with charging status information when charging, feed back to the electric energy transmitting apparatus, make it to monitor in real time charging process.
12, non-contact type apparatus for transmitting electric energy according to claim 1, it is characterized in that a kind of contactless charging method, this non-contact type apparatus for transmitting electric energy comprises two parts: electric energy transmitting apparatus, electric energy receiving equipment, can carry out information interaction between described electric energy transmitting apparatus and the described electric energy receiving equipment, the method for charging comprises step:
The electric energy transmitting apparatus is sought equipment to be charged by the RFID technology, as seeks success, then detects the other side's ID, and whether preliminary authentication is effective rechargeable devices;
If authentication is effective rechargeable devices, then the electric energy transmitting apparatus detects product information to be charged, product information is further authenticated, i.e. name of product, manufacturer, battery types, battery capacity, state of charge etc.;
The electric energy transmitting apparatus is given equipment charge to be charged according to product information, starts the abnormality detection system of electric energy transmitting apparatus simultaneously, detects and shows that by indicator light charge efficiency is to judge the couple state of two hollow coils.
13, according to claim 12ly treat the method that charging device charges, it is characterized in that in charging process, monitor the charged state of equipment to be charged in real time by non-contact type apparatus for transmitting electric energy.
14, according to claim 12ly treat the method that charging device charges by non-contact type apparatus for transmitting electric energy, it is characterized in that in charging process, described electric energy transmitting apparatus can be adjusted charge power according to charge volume, to satisfy the quick charge requirement of equipment to be charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101112837A CN101330229A (en) | 2007-06-21 | 2007-06-21 | Non-contact type apparatus for transmitting electric energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101112837A CN101330229A (en) | 2007-06-21 | 2007-06-21 | Non-contact type apparatus for transmitting electric energy |
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| CN101330229A true CN101330229A (en) | 2008-12-24 |
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| CNA2007101112837A Pending CN101330229A (en) | 2007-06-21 | 2007-06-21 | Non-contact type apparatus for transmitting electric energy |
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| CN101917048A (en) * | 2010-09-09 | 2010-12-15 | 深圳市五洲龙汽车有限公司 | Field energy sending device and field energy receiving device |
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| WO2011026363A1 (en) * | 2009-09-01 | 2011-03-10 | 北京中星微电子有限公司 | Contactless charging equipment and charging method, rechargeable battery and charger thereof |
| CN102082449A (en) * | 2009-11-30 | 2011-06-01 | 美国博通公司 | Battery and battery circuit module |
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| JP2020511108A (en) * | 2017-04-07 | 2020-04-09 | オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． | Wireless charging device, wireless charging method, and device to be charged |
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| US11368050B2 (en) | 2017-04-07 | 2022-06-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless charging device, method, and device to-be-charged |
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