CN201018296Y - Wireless electric energy supplying and receiving apparatus for automobile - Google Patents
Wireless electric energy supplying and receiving apparatus for automobile Download PDFInfo
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- CN201018296Y CN201018296Y CNU2007200051102U CN200720005110U CN201018296Y CN 201018296 Y CN201018296 Y CN 201018296Y CN U2007200051102 U CNU2007200051102 U CN U2007200051102U CN 200720005110 U CN200720005110 U CN 200720005110U CN 201018296 Y CN201018296 Y CN 201018296Y
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Abstract
The utility model relates to a wireless power supply and receiving device for vehicles, in particular to a wireless power supply device, which comprises a power supply module and a power supply control module. Wherein, the power supply module is composed of a plurality of power suppliers. The power supply control module is composed of a scanning control module and a power output detecting circuit. As at least one electronic device to be charged is provided with the wireless power receiving device and arranged on the power supply module and the wireless power supply device is started, the scanning control module sends an AC power source to each power supplier in sequence. In addition, the power output detecting circuit detects power output of each power supplier to determine and send power output details to a power supplier eligible to supply power. Other power suppliers failing to effectively supply power are removed to save power. The utility model is suitable for power equipments needing charging in vehicles and enables power equipments to quickly and conveniently obtain power, brings safety and reliability and saves electric power during operation.
Description
Technical field
The utility model relates to a kind of Vehicular rechargeable device, particularly a kind of supply of automobile-used power conservation type radio energy and receiving system with charge function.
Background technology
The energy source of Vehicular rechargeable device is mainly car battery at present, normally provide power supply by cigar lighter, yet the various control system and the additional functional device of Hyundai Motor, such as videodisc Play System, navigation system, burglary-resisting system and cold air conditioner system etc., all need power consumption, if the electric energy deficiency, automotive performance will be unstable, even have influence on traffic safety.Therefore, when using automobile power source, power saving is very important problem.
Now in the life, many consumer electronic devices, cell phone for example, personal digital assistant, MP3 walkman or digital camera etc., employed rechargeable battery often needs charging, and when driving to be away on a trip, the charge power supply of most convenient is exactly a car battery, so various Vehicular rechargeable devices just are provided on the market, traditional vehicle is with the normally wired charge mode of charging device, and different electronic installations may need different charging wires, and is quite inconvenient, even if the uniform specification of charging wire, the charging wire of each electronic installation of plug is very not convenient yet in car, even can damage to plugging interface.
So ask the city with regard to the design that wireless electrical energy supply device is arranged, wireless charging system comprise the charging panel of receiving power supply unit with in be built in the radio energy receiving system of electronic installation to be charged.The wireless charging principle is to utilize the electromagnetic coupled principle basically, and similar AC transformer inputs to primary winding to produce alternating electromagnetic field with alternating voltage, and alternating electromagnetic field is coupled to secondary coil to produce the output of induction alternating voltage.Because power supply on vehicle is a DC power supply, and battery charge also needs DC power supply usually, so charging panel comprises direct current usually to a-c transducer, and the radio energy receiving system comprises AC to DC converter usually.
In ideal conditions, when secondary coil is not coupled to load, because of there not being power output, so the input power supply does not just have power consumption.But it is in fact really not so, for example a transformer is electrically connected to power supply and when not being couple to load, described transformer still can generate heat after a period of time, and it mainly is from the primary winding electric current and the internal resistance thereof that produce alternating electromagnetic field that expression still has power consumption, its power consumption.Therefore, for the power saving purpose, when not being couple to load, preferably cut off the power supply of primary winding.In addition, when using the radio energy feeding mechanism, between the secondary coil (electric energy receiving coil) of primary winding of charging panel (supply of electrical energy coil) and electronic installation to be charged, can't as transformer with the iron core of high magnetic capacity with alternating electromagnetic field expeditiously from primary winding coupling interlinkage to secondary coil, so if the electric energy receiving coil of electronic installation to be charged is not the primary winding supply of electrical energy coil very close to charging panel, then the coupling interlinkage efficient of alternating electromagnetic field can be very low, just energy transmission efficiency can be very low, so, but should only provide the supply of electrical energy coil of electric energy to the energy high-efficiency transfer for the power saving purpose.
The utility model content
Therefore the purpose of this utility model just is, provides a kind of supply of power conservation type radio energy and receiving system with charge function, to be applicable to charging operations in the car.
The technical scheme that the utility model adopted is to adopt a kind of car radio energy feeding mechanism to achieve these goals, described vehicle radio electrical energy supply device comprises: one has the supply of electrical energy module of a plurality of supply of electrical energy devices, and one converts electrical energy into electromagnetic energy and is coupled to electronic installation to be charged; One X scan electrode module is coupled to described supply of electrical energy module; One Y scan electrode module is coupled to described supply of electrical energy module; The one scan control module is coupled to the input power supply, flow to a-c transducer always, is coupled between described input power supply and the described scan control module, and an electric energy output detection circuit is coupled to the scan control module, and an internal memory is coupled to described scan control module.
A plurality of supply of electrical energy device described in the utility model comprises a supply of electrical energy coil.
Internal memory described in the utility model is to be a random access memory.
Internal memory described in the utility model is to be a flash memory.
Direct current described in the utility model to a-c transducer is coupled between described input power supply and the described scan control module.
A kind of car radio energy receiving system, it is characterized in that: described radio energy receiving system comprises: an electric energy receiver, a controllable switch is coupled to described electric energy receiver; One precision rectifying filter, be coupled to described controllable switch and described rechargeable battery between, a battery power detector is coupled to described rechargeable battery, one charge control module, be coupled to described controllable switch and described battery power detector between, a pressurizer is coupled between described precision rectifying filter and the described rechargeable battery, one temperature-sensitive module, be coupled to described charge control module, a charging indicator light is coupled to described charge control module.
Electric energy receiver described in the utility model comprises an electric energy and receives the electromagnetic energy coil that described supply of electrical energy device produced that can be coupled
The technique effect that the utility model produced is, a kind of supply of power conservation type radio energy and receiving system with charge function is provided, to be applicable to the power consumption equipment that need in car, charge, make power consumption equipment can obtain electric energy easily fast and easily at any time, and safe and reliable when using, save electric energy.
Description of drawings
Fig. 1 is the embodiment schematic diagram of the utility model power conservation type radio energy feeding mechanism;
Fig. 2 is the function square and the peripheral associated components schematic diagram of the supply of electrical energy control module of Fig. 1;
Fig. 3 is the two-dimensional array supply of electrical energy device schematic diagram of the supply of electrical energy module of Fig. 1.
Fig. 4 is the wireless charging schematic diagram of supply of electrical energy module and radio energy receiving system.
Fig. 5 is that consumer electronic device is put the schematic diagram above the supply of electrical energy module.
Fig. 6 is the workflow diagram of the electric energy output scanning method embodiment of the utility model power conservation type radio energy feeding mechanism.
The primary clustering symbol description
10 radio energy feeding mechanisms, 11 power supplys (cigar lighter)
12 power supply Ports, 13 direct currents are to a-c transducer
14 supply of electrical energy control modules, 15 X electrode scan modules
16 Y electrode scan modules, 17 supply of electrical energy devices
18 supply of electrical energy modules, 21 scan control modules
23 electric energy output detection circuits, 25 internal memories
27 alternating electromagnetic fields, 28 supply of electrical energy coils
29 electric energy receiving coils, 40 consumer electronic devices
41 radio energy receiving systems, 42 electric energy receivers
43 controllable switch, 44 precision rectifying filters
45 pressurizers, 46 charge control module
47 battery power detectors, 48 temperature-sensitive modules
49 rechargeable batteries, 51 mobile phones
52 mobile phone electric energy receivers, 53 digital still cameras
54 digital still camera electric energy receivers, 600 workflows
The 601-611 step
Embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment is described in detail as follows.
See also accompanying drawing 1, accompanying drawing 1 is the schematic diagram that shows the preferred embodiment of power conservation type radio energy feeding mechanism 10 of the present utility model.Power conservation type radio energy feeding mechanism 10 comprises a power supply connector 12, flow to a-c transducer 13, a supply of electrical energy control module 14, an X electrode scan module 15, a Y electrode scan module 16 and a supply of electrical energy module 18 always.
Power supply connector 12 is in order to being electrically connected to the power supply 11 in the car, and the power supply 11 in the car normally provides DC power supply, and direct current to a-c transducer 13 is to be converted to AC power in order to the DC power supply that power supply in the car 11 is provided.Supply of electrical energy module 18 comprises a plurality of supply of electrical energy devices 17 of two-dimensional array, each supply of electrical energy device 17 all has its corresponding address, as shown in Figure 1 in regular turn from the 1st supply of electrical energy device (1 that is listed as, 1)～supply of electrical energy device (n, 1), to the supply of electrical energy device of m row (1, m)～the supply of electrical energy device (n, m).Supply of electrical energy control module 14 receives the AC power of direct current to a-c transducer 13 outputs, cooperates X electrode scan module 15 and Y electrode scan module 16 AC power to be sent to the supply of electrical energy device that is enabled in the supply of electrical energy module 18.
See also accompanying drawing 2, accompanying drawing 2 is function square and the peripheral associated components schematic diagrames that show the supply of electrical energy control module 14 of accompanying drawing 1.Supply of electrical energy control module 14 comprises one scan control module 21, an electric energy output detection circuit 23 and an internal memory 25.
After the electric energy output scanning operation of finishing all supply of electrical energy devices 17, each supply of electrical energy device 17 is not to be set to enabled status (promptly to get, operating state), be set to the decapacitation state exactly, supply of electrical energy control module 14 just is sent to AC power the supply of electrical energy device that all are set to activation, in other words, have only and to transmit electric energy to the supply of electrical energy device 17 of load efficiently and just be powered, other can't transmit electric energy to the supply of electrical energy device 17 of load efficiently and just not be powered, and so can avoid giving inefficient supply of electrical energy device 17 because of power supply and be directed at electric energy loss.
See also accompanying drawing 3, accompanying drawing 3 is two-dimensional array supply of electrical energy device 17 schematic diagrames that show the supply of electrical energy module 18 of accompanying drawing 1.A plurality of supply of electrical energy devices 17 of supply of electrical energy module 18 are the X power line X (1) that are coupled to X electrode scan module 15 by a plurality of ... X (i) ... X (a) ... X (n) and a plurality of are coupled to the Y power line Y (1) of Y electrode scan module 16 ... Y (j) ... Y (b) ... Y (m) control supply of electrical energy state.For example if will supply AC power to supply of electrical energy device (i, j+1), then AC power to be fed to X power line X (i) and Y power line Y (j+1), again if will supply AC power to supply of electrical energy device (a+1, b+1), then AC power will be fed to X power line X (a+1) and Y power line Y (b+1), all the other are in like manner analogized.
See also accompanying drawing 4, accompanying drawing 4 be show with AC power from the supply of electrical energy device of supply of electrical energy module 18 (i, j) 17 coupling electric energy to the radio energy receiving system 41 of consumer electronic device 40 to carry out the wireless charging schematic diagram of rechargeable battery 49.Radio energy receiving system 41 comprises an electric energy receiver 42, a controllable switch 43, a precision rectifying filter 44, a pressurizer 45, a charge control module 46, a battery power detector 47, a temperature-sensitive module 48 and a charging indicator light 50.
Electric energy receiver 42 comprises an electric energy receiving coil 29, and (i, j) supply of electrical energy device (i, j) 17 electromagnetic energy that provided promptly are provided the alternating electromagnetic field 27 that produced of a supply of electrical energy coil 28 of 17 from the supply of electrical energy device in order to coupling.Controllable switch 43 is in order to the conducting cut-off state between the alternating voltage of output that control electric energy receiver 42 is responded to and precision rectifying filter 44, when controllable switch 43 works in cut-off state, the alternating voltage of output that control electric energy receiver 42 is responded to can't be sent to precision rectifying filter 44, that is to say, though electric energy receiver 42 induction output AC voltages, but do not export electric energy, when controllable switch 43 works in conducting state, the alternating voltage of output that control electric energy receiver 42 is responded to can be sent to precision rectifying filter 44, that is to say that electric energy receiver 42 can provide alternating-current voltage source to precision rectifying filter 44.Precision rectifying filter 44 be in order to will the input alternating voltage rectification critically be direct voltage, the peak value of output dc voltage and the peak value of input ac voltage are almost equal, are not subjected to the influence of rectifier diode pressure drop.The direct voltage that precision rectifying filter 44 is exported comprises the ripple composition, eliminate the ripple composition of direct voltage so will utilize pressurizer 45, to produce desirable DC power supply rechargeable battery 49 is carried out charging work, but if rechargeable battery 49 can be directly with the output voltage of precision rectifying filter 44 as charge power supply, then pressurizer 45 is to ignore, that is to say that rechargeable battery 49 can directly be coupled to precision rectifying filter 44.
In the process of carrying out charging; if temperature too Gao Zehui damages rechargeable battery 49; so in order to protect rechargeable battery 49 to prolong its useful life; when temperature is too high; temperature-sensitive module 48 can be sent the high temperature signal to charge control module 46; this moment, charge control module 46 will switch to cut-off state with controllable switch 43, promptly stopped charging.In addition, when rechargeable battery 49 overcharges, also can damage rechargeable battery 49, so in order to prolong the useful life of rechargeable battery 49, when charging is finished, battery power detector 47 can be sent charging and finish signal to charge control module 46, and this moment, charge control module 46 will switch to cut-off state with controllable switch 43, promptly stopped charging.The charging indicator light 50 that is coupled to charge control module 46 is in order to show charged state, when carrying out charging operations, then light charging indicator light 50, when stopping charging operations, then charging indicator light 50 is no longer lighted, and so is not easy to use that the person judges whether to finish charging or temperature is too not high should not charge.When consumer electronic device 40 stops to charge, supply of electrical energy device (i, j) 17 just can't export load to by the effective supply electric energy, electric energy output detection circuit 23 detects just that internal memory 25 is the stored address (i of this situation, j) deletion, that is to say that (i, j) 17 to avoid consuming electric energy to the supply of electrical energy device no longer to supply AC power.
See also accompanying drawing 5, accompanying drawing 5 is to show two consumer electronic devices are put schematic diagram above the supply of electrical energy module.
Described two consumer electronic devices comprise a mobile phone 51 and a digital camera 53, the electric energy receiver 52 of mobile phone 51 is to be positioned at supply of electrical energy device (i+1, j+1) top, the electric energy receiver 54 of digital still camera 53 is to be positioned at supply of electrical energy device (a, b) with supply of electrical energy device (a+1, b) top, so after the electric energy output scanning operation of finishing all supply of electrical energy devices 17, cause has only the electric energy receiver 52 of mobile phone 51 and the electric energy receiver 54 reception electric energy of digital still camera 53, so just have only the supply of electrical energy device (i+1, j+1), the supply of electrical energy device (a, b), and supply of electrical energy device (a+1, b) electric energy output is higher than described predetermined value, therefore having only described three supply of electrical energy devices is to be enabled status, and all the other supply of electrical energy devices are the decapacitation state, that is to say, only supply AC power to supply of electrical energy device (i+1, j+1), the supply of electrical energy device (a, b), and the supply of electrical energy device (a+1, b), in order at the charging of mobile phone and digital camera, and save unnecessary electric energy consume.
See also accompanying drawing 6, accompanying drawing 6 is the electric energy output scanning methods that show the utility model power conservation type radio energy feeding mechanism
The schematic diagram of the workflow 600 of embodiment.Workflow 600 comprises the following step:
Step 601: beginning charging operations;
Step 602:X electrode begins scanning, and scan control module 21 is set the X electrode and opened beginning scan address i=1;
Step 603:Y electrode begins scanning, and scan control module 21 is set the Y electrode and opened beginning scan address j=1;
Step 604: electric energy output detection circuit 23 detection supply of electrical energy devices (i, whether electric energy j) is exported greater than a predetermined value, if the supply of electrical energy device (i, electric energy output j) is greater than described predetermined value, and then execution in step 605, otherwise, execution in step 606;
Step 605: (i j) deposits internal memory 25 in to scan control module 21 with the address;
Step 606: scan control module 21 increases progressively Y electrode scan address, j=j+1;
Step 607: whether scan control module 21 judges Y electrode scan address j greater than m, and greater than m, then execution in step 608 as if Y electrode scan address j, otherwise, execution in step 604;
Step 608: scan control module 21 increases progressively X electrode scan address, i=i+1;
Step 609: whether scan control module 21 judges X electrode scan address i greater than n, and greater than n, then execution in step 610 as if X electrode scan address i, otherwise, execution in step 603;
Step 610: supply of electrical energy control module 14 supply AC power are to the supply of electrical energy device corresponding to internal memory 25 stored addresses;
Step 611: finish charging operations.
In the workflow 600 of above-mentioned the utility model embodiment, the power supply of execution in step 610 is given the supply of electrical energy device corresponding to internal memory 25 stored addresses, can be to utilize a plurality of controllable switch that AC power is supplied to the supply of electrical energy device of all activations simultaneously, also can utilize scan method to present the supply of electrical energy device that AC power is given activation in regular turn.
When a plurality of consumption electronic products are charged simultaneously, if there are arbitrary consumption electronic products to finish charging earlier, then step 610 can comprise electric energy output detection circuit 23 in addition and detects the electric energy output of supply of electrical energy device of an activation less than described predetermined value, scan control module 21 is with the address deletion of the supply of electrical energy device of activation described in the internal memory 25, continue to be supplied to described supply of electrical energy device to stop AC power, avoid unnecessary electric energy consume.
From the above, radio energy supply of the present utility model and receiving system are in the process of charging operations, utilize the scan-type electric energy transmitting to detect to distinguish the supply of electrical energy device of high electric energy output, and the supply of electrical energy device of the paramount electric energy of power supply output only, so have the function of power saving especially, therefore also just be specially adapted to provide in the car charging operations of consumer electronic device.
The above person is specifying of possible embodiments of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.All equalizations of being done according to the utility model claim change and modify, and are all the utility model claim and contain, and also belong to the utility model claim at the embodiment that does not change the utility model essence.
Claims (7)
1. a car radio can feeding mechanism, and it is characterized in that: described car radio can comprise by feeding mechanism: one has the supply of electrical energy module of a plurality of supply of electrical energy devices, and one converts electrical energy into electromagnetic energy and is coupled to electronic installation to be charged; One X scan electrode module is coupled to described supply of electrical energy module; One Y scan electrode module is coupled to described supply of electrical energy module; The one scan control module is coupled to the input power supply, flow to a-c transducer always, is coupled between described input power supply and the described scan control module, and an electric energy output detection circuit is coupled to the scan control module, and an internal memory is coupled to described scan control module.
2. car radio energy feeding mechanism according to claim 1, it is characterized in that: described a plurality of supply of electrical energy devices comprise a supply of electrical energy coil.
3. car radio energy feeding mechanism according to claim 1, it is characterized in that: described internal memory is to be a random access memory.
4. car radio energy feeding mechanism according to claim 1, it is characterized in that: described internal memory is to be a flash memory.
5. car radio energy feeding mechanism according to claim 1, it is characterized in that: described direct current to a-c transducer is coupled between described input power supply and the described scan control module.
6. a car radio can receiving system, and it is characterized in that: described radio energy receiving system comprises: an electric energy receiver, and a controllable switch is coupled to described electric energy receiver; One precision rectifying filter, be coupled between described controllable switch and the described rechargeable battery, a battery power detector is coupled to described rechargeable battery, one charge control module, be coupled between described controllable switch and the described battery power detector, a pressurizer is coupled between described precision rectifying filter and the described rechargeable battery, one temperature-sensitive module, be coupled to described charge control module, a charging indicator light is coupled to described charge control module.
7. radio energy receiving system according to claim 6 is characterized in that: described electric energy receiver comprises the electric energy receiving coil electromagnetic energy that described supply of electrical energy device produced that can be coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200051102U CN201018296Y (en) | 2007-02-13 | 2007-02-13 | Wireless electric energy supplying and receiving apparatus for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200051102U CN201018296Y (en) | 2007-02-13 | 2007-02-13 | Wireless electric energy supplying and receiving apparatus for automobile |
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| Publication Number | Publication Date |
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| CN201018296Y true CN201018296Y (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200051102U Expired - Fee Related CN201018296Y (en) | 2007-02-13 | 2007-02-13 | Wireless electric energy supplying and receiving apparatus for automobile |
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| CN (1) | CN201018296Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515729B (en) * | 2008-11-14 | 2011-06-15 | 苏州达方电子有限公司 | Wireless charging device and receiving-end device thereof |
| CN102160254A (en) * | 2008-09-19 | 2011-08-17 | 丰田自动车株式会社 | Noncontact power receiving device and vehicle equipped with it |
| CN101662169B (en) * | 2009-02-26 | 2011-11-16 | 苏州达方电子有限公司 | Power management method, power management circuit using same and energy transmission system |
| CN102544610A (en) * | 2011-01-04 | 2012-07-04 | 周嗣轲 | Method and system for charging electric vehicle on road |
| CN103038089A (en) * | 2010-07-28 | 2013-04-10 | 丰田自动车株式会社 | Coil unit, non-contact power transmitting apparatus, non-contact power receiving apparatus, vehicle,non-contact power supply system |
| CN103066705A (en) * | 2012-09-10 | 2013-04-24 | 潘骏 | Vehicle electric wireless transmission system |
| CN103560562A (en) * | 2013-11-11 | 2014-02-05 | 天津工业大学 | Location self-adaptation wireless charging coupler |
| CN109143385A (en) * | 2017-06-28 | 2019-01-04 | 乐金电子研发中心(上海)有限公司 | Detection device of metal foreign body applied to wireless charging system |
| CN111245038A (en) * | 2018-11-29 | 2020-06-05 | 丰田自动车株式会社 | Power supply system |
| CN111245039A (en) * | 2018-11-28 | 2020-06-05 | 丰田自动车株式会社 | Power supply system |
-
2007
- 2007-02-13 CN CNU2007200051102U patent/CN201018296Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160254B (en) * | 2008-09-19 | 2013-11-13 | 丰田自动车株式会社 | Noncontact power receiving device and vehicle equipped with the same |
| CN102160254A (en) * | 2008-09-19 | 2011-08-17 | 丰田自动车株式会社 | Noncontact power receiving device and vehicle equipped with it |
| CN101515729B (en) * | 2008-11-14 | 2011-06-15 | 苏州达方电子有限公司 | Wireless charging device and receiving-end device thereof |
| CN101662169B (en) * | 2009-02-26 | 2011-11-16 | 苏州达方电子有限公司 | Power management method, power management circuit using same and energy transmission system |
| CN103038089A (en) * | 2010-07-28 | 2013-04-10 | 丰田自动车株式会社 | Coil unit, non-contact power transmitting apparatus, non-contact power receiving apparatus, vehicle,non-contact power supply system |
| CN102544610A (en) * | 2011-01-04 | 2012-07-04 | 周嗣轲 | Method and system for charging electric vehicle on road |
| CN103066705A (en) * | 2012-09-10 | 2013-04-24 | 潘骏 | Vehicle electric wireless transmission system |
| CN103066705B (en) * | 2012-09-10 | 2015-03-25 | 潘骏 | Vehicle electric wireless transmission system |
| CN103560562A (en) * | 2013-11-11 | 2014-02-05 | 天津工业大学 | Location self-adaptation wireless charging coupler |
| CN103560562B (en) * | 2013-11-11 | 2016-05-18 | 天津工业大学 | Position adaptive wireless charging coupler |
| CN109143385A (en) * | 2017-06-28 | 2019-01-04 | 乐金电子研发中心(上海)有限公司 | Detection device of metal foreign body applied to wireless charging system |
| CN111245039A (en) * | 2018-11-28 | 2020-06-05 | 丰田自动车株式会社 | Power supply system |
| CN111245039B (en) * | 2018-11-28 | 2023-12-26 | 丰田自动车株式会社 | Power supply system |
| CN111245038A (en) * | 2018-11-29 | 2020-06-05 | 丰田自动车株式会社 | Power supply system |
| CN111245038B (en) * | 2018-11-29 | 2023-07-07 | 丰田自动车株式会社 | Power supply system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20160213 |