CN2927450Y - Series and parallel switchover connector for charging lithium-battery of electric vehicle - Google Patents
Series and parallel switchover connector for charging lithium-battery of electric vehicle Download PDFInfo
- Publication number
- CN2927450Y CN2927450Y CN 200620026888 CN200620026888U CN2927450Y CN 2927450 Y CN2927450 Y CN 2927450Y CN 200620026888 CN200620026888 CN 200620026888 CN 200620026888 U CN200620026888 U CN 200620026888U CN 2927450 Y CN2927450 Y CN 2927450Y
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- switch
- contact
- lithium battery
- socket
- plug
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Abstract
The utility model relates to a series-parallel conversion connector for lithium battery-charging for the electric bicycle, which is characterized in that the series-parallel conversion connector comprises a plug and a socket, wherein the plug is provided with a contact spring strip and a salient head and the socket comprises the main structure members, an adjusting core, two detachable switch side plates and a detachable base plate; a switch which is formed by a longitudinal arrangement of a normal close fixed contact, a movable contact and a normal open fixed contact in turn is horizontally arranged on the switch side plate, a plug slot is arranged on the top surface of the adjusting core, and the contact poke slots are arranged at the two sides of the adjusting core, wherein a supporting spring is arranged at the bottom; through the insertion and pullout of the plug to poke the switch contact can convert the connect mode of the lithium battery and achieve the effort of series discharge and parallel charge. The utility model has the advantages that: the utility model provides a series-parallel convention connector for the series discharge and parallel charge of the lithium battery so as to achieve the parallel charge, solve the problems of the lithium battery and eliminate the damages such as burning explosion, and ensures the charging voltage of the battery to a desired quantity.
Description
Technical field
The utility model relates to electric bicycle charging and discharging lithium battery device, relates in particular to a kind of series-parallel converting connector for lithium cell charging of electric bicycle.
Background technology
Electric bicycle develops rapidly in market because of it is laborsaving, energy-conservation as the Personal Transporter.In recent years, also be applied to the electric bicycle field as the lithium battery of emerging green energy resource, but generally adopt the mode of discharged in series serial connection charge.Because lithium battery has the characteristic that can not overcharge, voltage surpasses the danger that 4.25V promptly has combustion explosion.And during serial connection charge, adopt voltage divider principle, because of the inconsistency of each battery performance, in the charging process, voltage height skewness, what have is high, and what have is low, when total voltage is insufficient, individual cell voltage can occur and reach high value, certainly exist the danger that overcharges.For avoiding taking place dangerous accident, the method for taking at present is to design charging voltage on the low side, brings the problem of lithium cell charging deficiency thus again.As adopt the charged in parallel mode not only can avoid the problems referred to above, can also further improve the serviceability of battery, because electric bicycle electrokinetic cell electric current is big, number of batteries is many in the lithium battery group, if adopt the mode of discharged in series charged in parallel, the connection in series-parallel of splicing ear is converted into the problem that must solve.
The utility model content
Main purpose of the present utility model is at the problems referred to above, a kind of connection in series-parallel conversion equipment of realizing the battery discharged in series charged in parallel of lithium battery group easily is provided, to realize charged in parallel, solve the even problem of each lithium battery unbalanced-voltage-division, thereby the dangerous accident such as burning, blast of stopping produces and guarantees that battery charging voltage reaches desired quantity.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of series-parallel converting connector for lithium cell charging of electric bicycle, it is characterized in that forming by plug, socket, described plug comprises noses three parts of rectangle upper hand shank, middle part intercalation part and bottom, be fixed with integral type plug contact spring along intercalation part one side, opposite side along intercalation part band positioning convex is fixed with two-piece type plug contact spring on the positioning convex both sides, the lead that connects the charge power supply positive and negative electrode passes the wire guide that is arranged at handle portion and is connected with the plug contact spring that is positioned at the intercalation part both sides respectively; Described socket is a rectangle structure, by main component, slide core, two detachable switch side plates and detachable base plate constitute, main component comprises top board and the two end plates that is provided with the socket that freely inserts for intercalation part, the positioning convex of corresponding plug portion is provided with corresponding detent on the socket, the socket bottom is provided with the socket contact spring that contacts with plug contact spring chucking along the socket both sides, one example is the one part receptacle contact spring, opposite side is the two-piece type socket contact spring that is provided with along the detent both sides, and both sides socket contact spring is fixed on the fixed mount that is arranged at two ends, top board bottom; Described switch side plate is loaded on the main component both sides, be symmetrical arranged the horizontal switch identical on the two switch side plates respectively with lithium battery quantity, per two switches are one group, the lithium battery that the corresponding order of connection is arranged, switch are by normally closed fixed contact, moving contact and often open fixed contact and vertically rearrange successively; Described base plate is loaded on the main component bottom, is provided with two location holes and 2-3 lower spring groove above it; What be connected with every group of switch can be arranged on switch side plate or the base plate through the negative pole end crowbar circuit that composes in parallel with electric capacity again after resistance forms branch road that is connected in series by diode; Described slide core is the structural member of set in main component of the approximate T shape of cross section, its end face have make the aforementioned fixation frame and on the socket contact spring embed wherein plug slot, the control handle of the moving contact that the switch on the corresponding switch side plate in its two sides stretches out is provided with the contact allocating slot that accommodates this control handle, location hole and lower spring groove on its corresponding base plate in bottom are respectively equipped with reference column and the upper spring groove that inserts location hole, and support spring is packed in upper spring groove and the lower spring groove; Described switch, crowbar circuit are connected as follows with lithium battery: each fixed contact of often opening of organizing first switch of switch all connects discharge voltage negative pole end and charging voltage negative pole end simultaneously, second switch often open the positive terminal that fixed contact all connects charging voltage; The normally closed fixed contact of first group first switch connects first lithium battery anode, the moving contact of second switch and the resistance capacitance link of crowbar circuit, and the moving contact of first group first switch connects discharge voltage positive terminal, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit; The normally closed fixed contact of second group of first switch connects second lithium battery anode, the resistance capacitance link of the moving contact of second switch and crowbar circuit, the moving contact of second group of first switch connects first cathode of lithium battery, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit, connect so successively, the normally closed fixed contact of organizing first switch until the end connects an end lithium battery anode, the resistance capacitance link of the moving contact of second switch and crowbar circuit, the moving contact of end group first switch connects second from the bottom cathode of lithium battery, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit, an end cathode of lithium battery directly connects the negative pole end of charging voltage.
The some claws that are provided with on the side of the two end plates of corresponding described main component and the base respectively on the switch side plate of described socket and the base plate have the hole clipping of suit on it.
The beneficial effects of the utility model are: owing to provide a kind of series-parallel converting connector for lithium cell charging of electric bicycle, lithium battery is transformed into charged in parallel by discharged in series in the battery pack thereby can make efficiently and easily, the realization of charged in parallel has solved the even problem of each lithium battery unbalanced-voltage-division, thereby the dangerous accident such as burning, blast of stopping produces and guarantees the battery charge abundance, and voltage reaches desired quantity.
Description of drawings
Fig. 1 is structural representation of the present utility model (removing anterior end plate);
Fig. 2 is the assembling schematic diagram of Fig. 1;
Fig. 3 is a circuit structure schematic diagram of the present utility model;
Fig. 4 is the structure of charged state of the present utility model and uses connection diagram.Below in conjunction with drawings and Examples the utility model is described in detail.
Embodiment
Fig. 1～Fig. 3 shows a kind of structure of series-parallel converting connector for lithium cell charging of electric bicycle, assembling and circuit structure schematic diagram, it is characterized in that this electric bicycle lithium battery series-parallel converting connector is by plug 4, socket 13 is formed, described plug 4 comprises rectangular upper hand shank 7, noses 8 three parts of middle part intercalation part 9 and bottom, be fixed with integral type plug contact spring 10 along intercalation part 9 one sides, opposite side along intercalation part band positioning convex 12 is fixed with two-piece type plug contact spring 11 on positioning convex 12 both sides, plug contact spring 10 in the actual fabrication, 11 are made as one with plug 4 by Shooting Technique; The lead 6 that connects charge power supply 38 positive and negative electrodes passes the wire guide 5 that is arranged at handle portion 7 and is connected with the plug contact spring 10 and 11 that is positioned at intercalation part 9 both sides respectively; Plug contact spring 10 has charge power supply cathode voltage V1+ in this example, and two-piece type plug contact spring 11 has cathode voltage V1-.Described socket 13 is a rectangle structure, by main component 29, slide core 19, two detachable switch side plates 17 and detachable base plate 21 constitute, main component 29 comprises top board 14 and the two end plates 33 that is provided with the socket 15 that freely inserts for intercalation part 9, the positioning convex 12 of corresponding plug portion 9 is provided with corresponding detent 16 on the socket 15, socket 15 bottoms are provided with the socket contact spring that contacts with plug contact spring 10 and 11 chuckings along the socket both sides, one side is an one part receptacle contact spring 27, opposite side is the two-piece type socket contact spring 36 that is provided with along the location notch both sides, after plug 4 inserts, both sides socket contact spring 27,36 will have charge power supply 38 cathode voltage V1+ and cathode voltage V1-respectively.Both sides socket contact spring 27,36 is fixed on the fixed mount 18 that is arranged at two ends, top board 14 bottom, and socket contact spring 27,36 and fixed mount 18 are made as one by Shooting Technique in the actual fabrication.Described switch side plate 17 is loaded on main component 29 both sides, be symmetrical arranged the horizontal switch 20 (SW in Fig. 3) identical on the two switch side plates 17 respectively with lithium battery quantity, per two switches are one group, the lithium battery BT that the corresponding order of connection is arranged, present embodiment provides the series-parallel converting connector to the batteries charging of being made up of 10 lithium battery BT, on two switch side plates 17, be symmetrical arranged 10 and be divided into the switch 20 that two row of horizontal are arranged respectively, every two switches up and down are one group, the top be first switch, following is second switch, is provided with 5 groups on each switch side plate 17.Switch 20 is by normally closed fixed contact 1, moving contact 2 and often open fixed contact 3 and vertically rearrange successively; Described base plate 21 is loaded on main component 29 bottoms, is provided with two location holes 30 and 3 lower spring grooves 24 above it, and 2 lower spring grooves 24 also can be set; What be connected with every group of switch 20 can be arranged on switch side plate 17 or the base plate 21 through the negative pole end crowbar circuit 35 (referring to Fig. 3) that composes in parallel with capacitor C again after resistance R forms branch road that is connected in series by diode D, and crowbar circuit 35 is arranged on the switch side plate 17 in this example.Slide core 19 is the structural member of set in main component 29 of the approximate T shape of cross section, its end face have make aforementioned fixation frame 18 and on socket contact spring 27,36 embed wherein plug slot 28, the control handle 34 of the moving contact 2 that the switch 20 (SW) on the corresponding switch side plate 17 in its two sides stretches out is provided with the contact allocating slot 26 that accommodates this control handle, location hole 30 and lower spring groove 24 on its corresponding base plate 21 in bottom are respectively equipped with reference column 25 and the upper spring groove 22 that inserts location hole, and support spring 23 is packed in upper spring groove 22 and the lower spring groove 24.As shown in Figure 2, in this example, the some claws 31 that are provided with on the side of the two end plates 33 of corresponding respectively described main component 29 and the base on dismountable switch side plate 17 of socket 13 and the base plate 21 have the hole clipping 32 of suit on it, hole clipping 32 need only be snapped in cover during assembling and install on the claw 31 and get final product.
Referring to Fig. 3, described switch SW (20 among Fig. 1, Fig. 2), crowbar circuit 35 are connected as follows with lithium battery BT: in Fig. 3, corresponding 10 lithium batteries have 10 groups of switches, corresponding with being provided with of switch side plate 17, last row switch is first switch, following row switch is a second switch, and corresponding ordering successively from left to right with lithium battery BT.Each fixed contact 3 of often opening of organizing first switch SW of switch all connects discharge voltage V2 negative pole end and charging voltage V1 negative pole end simultaneously, the two-piece type socket contact spring 36 that charging voltage V1 negative pole end also promptly is connected with two-piece type plug contact spring 11, second switch SW often opens the positive terminal that fixed contact 3 all connects charging voltage V1, the also one part receptacle contact spring 27 that promptly is connected with integral type plug contact spring 10, the normally closed fixed contact 1 of first group first switch SW connects first lithium battery BT positive pole, the moving contact 2 of second switch SW and the resistance capacitance link of crowbar circuit 35, the moving contact 2 of first group first switch connects discharge voltage V2 positive terminal, the diode D positive pole of the normally closed fixed contact 1 of second switch SW and crowbar circuit 35; The normally closed fixed contact 1 of second group of first switch SW connects second lithium battery BT positive pole, the moving contact 2 of second switch SW and the resistance capacitance link of crowbar circuit 35, the moving contact 2 of second group of first switch connects first lithium battery BT negative pole, the diode D positive pole of the normally closed fixed contact 1 of second switch SW and crowbar circuit 35, connect to the right so successively, organizing promptly until the right-hand member end, the normally closed fixed contact 1 connection end of the tenth group of first switch SW only also is the tenth lithium battery BT positive pole, the moving contact 2 of second switch SW and the resistance capacitance link of crowbar circuit 35, the moving contact 2 of the tenth group of first switch connects the 9th lithium battery BT negative pole, the diode D positive pole of the normally closed fixed contact 1 of second switch and crowbar circuit 35, the tenth lithium battery BT negative pole directly connects the negative pole end of charging voltage V1.Owing to discharge and recharge in the action of conversion in switch SW (20) and can produce electric arc, therefore, crowbar circuit 35 is set in foregoing circuit, capacitor C is charged, and through diode D and the resistance R series arm elimination electric arc of releasing.In addition, for preventing to disturb, in parallel capacitor C 1 and diode D between the positive terminal of charging voltage V1 and negative pole end.
Fig. 4 is the structure of charged state of the present utility model and uses connection diagram.The socket 13 of this series-parallel converting connector for lithium cell charging is installed on the battery case 37 of electric bicycle in actual use, and connects by above-mentioned electric connecting mode and lithium battery, and the lead 6 on the plug 4 connects charge power supply 38.
Operation principle of the present utility model is as follows:
When plug 4 did not insert the socket 15 of socket 13, the lithium battery group was in discharge condition, and promptly it constitutes series loop, to obtain than high output voltage.At this moment, the negative pole of preceding nine lithium battery BT links to each other until the tenth lithium battery BT positive pole with next lithium battery BT is anodal successively by the normally-closed contact (1,2) of respectively organizing first, second switch 20 (SW) in the switch corresponding with it that is provided with on the switch side plate 17, the negative pole of the tenth lithium battery BT directly is connected to discharge voltage V2 negative pole end, first anodal positive terminal that connects discharge voltage V2 by the normally-closed contact (1,2) of first group of first, second switch of lithium battery BT; When plug 4 inserts the socket 15 of socket 13, noses 8 withstand slide core 19 and move down, the control handle 34 that switch 20 (SW) on the contact allocating slot 26 drive switch side plates 17 of slide core 19 two sides stretches into moving contact 2 wherein moves down, thereby moving contact 2 and top normally closed fixed contact 1 disconnection, discharge off thus; When continuing to move down, moving contact 2 with often open fixed contact 3 and engage.When the intercalation part 9 of plug 4 inserts fully, the socket contact spring 27,36 of socket 15 both sides can reliably be connected with plug contact spring 10,11 respectively on the one hand, make it have positive and negative charging voltage V1+, V1-respectively, can block intercalation part 9 on the other hand and can not ejected socket 15 by the slide core 19 following support springs 23 that are connected with its bottom.Because of each organizes the negative pole end of often opening fixed contact 3 connection charging voltage V1 of first switch 20 of switch, the positive terminal of often opening fixed contact 3 connection charging voltage V1 of second switch, at this moment, since moving contact 2 with often open fixed contact 3 closures, as seen from Figure 3, from left to right, the negative pole of first to the 9th lithium battery BT is by the negative pole end of often opening fixed contact 3 connection charging voltage V1 of connected first switch, the negative pole of the tenth lithium battery BT directly connects the negative pole end of charging voltage V1, the positive pole of all lithium battery BT enters the charged in parallel state thus by the positive terminal of often opening fixed contact 3 connection charging voltage V1 of the second switch of connection.When charging is finished, plug 4 is extracted, slide core 19 is subjected to the pressure effect with its support spring 23 of being connected of bottom, move up, and stir the control handle 34 of moving contact 2 by contact allocating slot 26, each is organized on the moving contact 2 of switch 20 and moves, thereby disconnects with the following fixed contact 3 of often opening, engage with top normally closed fixed contact 1, restore to the original state.Lithium battery BT enters the discharged in series state again.
Claims (2)
1, a kind of series-parallel converting connector for lithium cell charging of electric bicycle, it is characterized in that forming by plug, socket, described plug comprises noses three parts of rectangle upper hand shank, middle part intercalation part and bottom, be fixed with integral type plug contact spring along intercalation part one side, opposite side along intercalation part band positioning convex is fixed with two-piece type plug contact spring on the positioning convex both sides, the lead that connects the charge power supply positive and negative electrode passes the wire guide that is arranged at handle portion and is connected with the plug contact spring that is positioned at the intercalation part both sides respectively; Described socket is a rectangle structure, by main component, slide core, two detachable switch side plates and detachable base plate constitute, main component comprises top board and the two end plates that is provided with the socket that freely inserts for intercalation part, the positioning convex of corresponding plug portion is provided with corresponding detent on the socket, the socket bottom is provided with the socket contact spring that contacts with plug contact spring chucking along the socket both sides, one side is the one part receptacle contact spring, opposite side is the two-piece type socket contact spring that is provided with along the detent both sides, and both sides socket contact spring is fixed on the fixed mount that is arranged at two ends, top board bottom; Described switch side plate is loaded on the main component both sides, be symmetrical arranged the horizontal switch identical on the two switch side plates respectively with lithium battery quantity, per two switches are one group, the lithium battery that the corresponding order of connection is arranged, switch are by normally closed fixed contact, moving contact and often open fixed contact and vertically rearrange successively; Described base plate is loaded on the main component bottom, is provided with two location holes and 2-3 lower spring groove above it; What be connected with every group of switch can be arranged on switch side plate or the base plate through the negative pole end crowbar circuit that composes in parallel with electric capacity again after resistance forms branch road that is connected in series by diode; Described slide core is the structural member of set in main component of the approximate T shape of cross section, its end face have make the aforementioned fixation frame and on the socket contact spring embed wherein plug slot, the control handle of the moving contact that the switch on the corresponding switch side plate in its two sides stretches out is provided with the contact allocating slot that accommodates this control handle, location hole and lower spring groove on its corresponding base plate in bottom are respectively equipped with reference column and the upper spring groove that inserts location hole, and support spring is packed in upper spring groove and the lower spring groove; Described switch, crowbar circuit are connected as follows with lithium battery: each fixed contact of often opening of organizing first switch of switch all connects discharge voltage negative pole end and charging voltage negative pole end simultaneously, second switch often open the positive terminal that fixed contact all connects charging voltage; The normally closed fixed contact of first group first switch connects first lithium battery anode, the moving contact of second switch and the resistance capacitance link of crowbar circuit, and the moving contact of first group first switch connects discharge voltage positive terminal, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit; The normally closed fixed contact of second group of first switch connects second lithium battery anode, the resistance capacitance link of the moving contact of second switch and crowbar circuit, the moving contact of second group of first switch connects first cathode of lithium battery, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit, connect so successively, the normally closed fixed contact of organizing first switch until the end connects an end lithium battery anode, the resistance capacitance link of the moving contact of second switch and crowbar circuit, the moving contact of end group first switch connects second from the bottom cathode of lithium battery, the normally closed fixed contact of second switch and the diode cathode of crowbar circuit, an end cathode of lithium battery directly connects the negative pole end of charging voltage.
2, a kind of series-parallel converting connector for lithium cell charging of electric bicycle according to claim 1 is characterized in that on the switch side plate of described socket and the base plate that the some claws that are provided with on the side of the two end plates of corresponding described main component and base respectively have the hole clipping of suit on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026888 CN2927450Y (en) | 2006-07-28 | 2006-07-28 | Series and parallel switchover connector for charging lithium-battery of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026888 CN2927450Y (en) | 2006-07-28 | 2006-07-28 | Series and parallel switchover connector for charging lithium-battery of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927450Y true CN2927450Y (en) | 2007-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026888 Expired - Lifetime CN2927450Y (en) | 2006-07-28 | 2006-07-28 | Series and parallel switchover connector for charging lithium-battery of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2927450Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2130707A2 (en) * | 2008-06-02 | 2009-12-09 | Apex Science Co. Ltd. | Individual-charge and merged-discharge battery set |
| CN1905267B (en) * | 2006-07-28 | 2010-12-01 | 北京中润恒动电池有限公司 | Series-parallel converting connector for lithium cell charging of electric bicycle |
| CN101340045B (en) * | 2008-06-30 | 2011-01-12 | 上海市电力公司超高压输变电公司 | Method and apparatus capable of realizing safe hot plug of secondary current loop of transforming plant |
| CN102714421A (en) * | 2010-01-22 | 2012-10-03 | 伯克利·C·巴德格 | Charging contact array for enabling parallel charging and series discharging of batteries |
| CN103098294A (en) * | 2011-07-27 | 2013-05-08 | 株式会社日立制作所 | Battery system |
| CN112952968A (en) * | 2021-04-21 | 2021-06-11 | 五羊—本田摩托（广州）有限公司 | Electricity storage device and electric vehicle power supply system comprising same |
-
2006
- 2006-07-28 CN CN 200620026888 patent/CN2927450Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905267B (en) * | 2006-07-28 | 2010-12-01 | 北京中润恒动电池有限公司 | Series-parallel converting connector for lithium cell charging of electric bicycle |
| EP2130707A2 (en) * | 2008-06-02 | 2009-12-09 | Apex Science Co. Ltd. | Individual-charge and merged-discharge battery set |
| EP2130707A3 (en) * | 2008-06-02 | 2010-11-10 | Apex Science Co. Ltd. | Individual-charge and merged-discharge battery set |
| CN101340045B (en) * | 2008-06-30 | 2011-01-12 | 上海市电力公司超高压输变电公司 | Method and apparatus capable of realizing safe hot plug of secondary current loop of transforming plant |
| CN102714421A (en) * | 2010-01-22 | 2012-10-03 | 伯克利·C·巴德格 | Charging contact array for enabling parallel charging and series discharging of batteries |
| CN102714421B (en) * | 2010-01-22 | 2015-04-29 | 伯克利·C·巴德格 | Charging contact array for enabling parallel charging and series discharging of batteries |
| CN103098294A (en) * | 2011-07-27 | 2013-05-08 | 株式会社日立制作所 | Battery system |
| CN103098294B (en) * | 2011-07-27 | 2015-06-17 | 株式会社日立制作所 | Battery system |
| CN112952968A (en) * | 2021-04-21 | 2021-06-11 | 五羊—本田摩托（广州）有限公司 | Electricity storage device and electric vehicle power supply system comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090206 Address after: No. 10, torch street, Changping garden, Zhongguancun science and Technology Park, Beijing, 100020 Patentee after: Zhongrunhengdong Battery Co., Ltd., Beijing Address before: Tianjin Huayuan Industrial Zone Xinmao science and Technology Park G block AB unit 3F-A2, zip code: 300384 Patentee before: Tianjin Qiaodi Battery Sci. & Tech. Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGRUN PERPETUAL MOTION BATTERY CO., LTD Free format text: FORMER OWNER: TIANJIN QIAODI BATTERY TECHNOLOGY CO., LTD. Effective date: 20090206 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20070725 Effective date of abandoning: 20060728 |