CN201966043U - Multifunctional transformer - Google Patents
Multifunctional transformer Download PDFInfo
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- CN201966043U CN201966043U CN201120014739XU CN201120014739U CN201966043U CN 201966043 U CN201966043 U CN 201966043U CN 201120014739X U CN201120014739X U CN 201120014739XU CN 201120014739 U CN201120014739 U CN 201120014739U CN 201966043 U CN201966043 U CN 201966043U
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- 239000003550 marker Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 abstract 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
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- 238000005755 formation reaction Methods 0.000 description 2
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- 230000001939 inductive effect Effects 0.000 description 2
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Abstract
The utility model relates to a multifunctional transformer, including bobbin, I shape magnetic core, zigzag magnetic core, first coil and second coil. The bobbin comprises a long cylindrical body and a partition plate, wherein the long cylindrical body is provided with a first surface, a second surface, a third surface, a through hole and a side hole, the first surface and the second surface are opposite, the third surface is connected between the first surface and the second surface, the through hole penetrates through the first surface and the second surface, and the side hole is formed in the third surface. The partition plate is sleeved on the long column-shaped body and arranged corresponding to the side hole to separate a partition area. The I-shaped magnetic core is arranged in the through hole of the long cylindrical body, and the side hole exposes part of the I-shaped magnetic core. The sawtooth-shaped magnetic core is arranged on the winding frame and is provided with sawteeth, wherein a plurality of sawteeth correspondingly penetrate through the side holes to be contacted with the I-shaped magnetic core. The first coil and the second coil are arranged in the separation area, and the second coil is adjacent to one of the first coils. The multifunctional transformer can save the labor for assembly, the use cost of parts and the assembly setting space on the circuit board.
Description
Technical field
The utility model relates to a kind of transformer, and particularly relates to a kind of multi-functional transformer that has inductance and transformation function simultaneously.
Background technology
Fig. 1 is the principle schematic of known a kind of transformer.Please refer to Fig. 1, the transformer 100 of coil form has surpassed a century so far after producing for the first time in 1885, and widely uses for a long time and many improvement are arranged, and designs a lot of different kenels, and is consistent but its action principle remains.Transformer 100 mainly is a principle of utilizing electric energy and magnetic energy transformation induction, two groups of coils 110,120 is wound on the common magnetic core (core) 130, and is connected with power supply (AC) 140.Usually, the coil 110 that connects power supply 140 ends is called first siding ring or main coil (primary coil), and the coil 120 of connection load end R is called second siding ring or secondary coil (secondary coil).When coil 110 connects AC power, can influence the magnetic flux change of magnetic core 130 by the electric current of coil, and the coil 120 of the other end can produce the alternating current of another same frequency because of the electromotive force of induction.Faraday's law (Faraday ' s Law) can illustrate the relation of induced electromotive force and magnetic flux and coil turn.
In the ideal case, the magnetic flux of each circle of coil is all identical, so induced voltage is directly proportional with coil turn, if the number of turns (N2) of coil 120 is greater than the number of turns (N1) of coil 110, then this transformer is step-up transformer (stet-up transformer), otherwise then is step-down transformer (step-downtransformer).
When being applied to transformer 100 on the circuit board; usually also outputting inductance and output capacitance can be set on circuit board; output filter of the common composition of outputting inductance and output capacitance; and transformer 100 distributes via the circuit on the circuit board and output filter is electrical connected; so that output filter can carry out filtering to the voltage of transformer 100 conversions, to produce output voltage.
Yet, along with the developing trend of the electronic installation (as mobile phone, LCD etc.) that uses this type of circuit board in compact design, being provided with of Inductive component can take space more on the circuit board, therefore actively looks for replacement scheme in design.
Summary of the invention
The utility model provides a kind of multi-functional transformer, and its function with inductance and transformation is integrated in one, to reach cost-effective purpose.
The utility model proposes a kind of multi-functional transformer, comprise a drum stand, an I shape magnetic core, a zigzag magnetic core, a plurality of first coil and at least one second coil.Drum stand comprises a long column shape body and a plurality of demarcation strip, and its middle long column shape body has a relative first surface, a second surface, is connected in one the 3rd surface between first surface and the second surface, a plurality of side openings that run through a perforation of first surface and second surface and be arranged at the 3rd surface.Demarcation strip is sheathed on long column shape body along the length direction of long column shape body, and corresponding side opening setting, to be separated out a plurality of marker spaces.I shape magnetic core is arranged in the perforation of long column shape body, and wherein side opening exposes the part of I shape magnetic core.The zigzag magnetic core is arranged at drum stand, and has a plurality of sawtooth, and wherein part sawtooth correspondence is passed side opening to be contacted by the part that side opening comes out with I shape magnetic core.First coil is arranged at the part marker space, and second coil is arranged at one of them marker space, and second coil is adjacent with one of them first coil is arranged in the different marker spaces.
In an embodiment of the multi-functional transformer of the utility model, above-mentioned I shape magnetic core is combined by multistage strip or block magnetic core.
In an embodiment of the multi-functional transformer of the utility model, above-mentioned zigzag magnetic core is the combination of an E shape magnetic core, polylith U-shaped magnetic core or the combination of E shape magnetic core and U-shaped magnetic core.In addition, long column shape body can also have one the 4th surface on relative the 3rd surface, and side opening can also be arranged at the 4th surface, and it is corresponding with the several side openings position that is arranged at the 3rd surface to be arranged at the side opening on the 4th surface.
In an embodiment of the multi-functional transformer of the utility model, the shape of above-mentioned demarcation strip takes the shape of the letter U.
In an embodiment of the multi-functional transformer of the utility model, above-mentioned drum stand also comprises two L shaped dividing plates, the opening that each L shaped dividing plate has a mutually perpendicular first and a second portion and is arranged at first, first is connected with first surface and second surface respectively, and opening is communicated with perforation.Long column shape body, demarcation strip and L shaped dividing plate are formed in one.Multi-functional transformer can also comprise a plurality of stitch of the second portion that is arranged at L shaped dividing plate, and one of them corresponding linking to each other of each stitch and first coil and second coil.
In an embodiment of the multi-functional transformer of the utility model, the quantity of the side opening of above-mentioned long column shape body is N, and N is positive integer, and the quantity of the sawtooth of zigzag magnetic core is N+2.
Based on above-mentioned, the multi-functional transformer of the utility model is integrated in transformer with induction structure, so the function of transformation and inductance can be provided simultaneously.With respect to known on the circuit board except transformer is set, also need to have living space in addition so that inductance to be set, the multi-functional transformer application of the utility model on circuit board, can be saved the manpower of assembling, the use cost of part and the assembly on the circuit board space is set.
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 is the principle schematic of existing a kind of transformer.
Fig. 2 is the decomposing schematic representation of the multi-functional transformer of the utility model one embodiment.
Fig. 3 A is the part assembling schematic diagram of the multi-functional transformer of Fig. 2.
Fig. 3 B is the schematic diagram of the multi-functional transformer of Fig. 3 A.
Fig. 4 is the principle schematic of the multi-functional transformer of Fig. 3 B.
Fig. 5 is that the another kind of zigzag magnetic core is implemented view.
Fig. 6 is another enforcement view of zigzag magnetic core.
Fig. 7 A is another enforcement view of zigzag magnetic core.
Fig. 7 B is the improved schematic diagram of the corresponding zigzag magnetic core of long column shape body.
The primary clustering symbol description
100: transformer
110,120: coil
130: magnetic core
140: power supply
N1, N2: the number of turns of coil
200: multi-functional transformer
210: drum stand
210a, 210b, 210c, 210d: marker space
212: long column shape body
212a: first surface
212b: second surface
212c: the 3rd surface
212h: the 4th surface
212d: perforation
212e, 212f, 212g, 212i: side opening
214: demarcation strip
214a, 214b: dividing plate
214c: connecting portion
216:L shape dividing plate
216a: first
216b: second portion
216c: opening
220:I shape magnetic core
230: the zigzag magnetic core
230a, 230b:U shape magnetic core
232,232a, 232b, 232c, 232d, 232e: sawtooth
240: the first coils
250: the second coils
260: stitch
L: length direction
T1, T2: transformer
I: inductance
Embodiment
Fig. 2 is that decomposing schematic representation, Fig. 3 A of the multi-functional transformer of utility model one embodiment assembles schematic diagram for the part of the multi-functional transformer of Fig. 2, and Fig. 3 B is the schematic diagram of the multi-functional transformer of Fig. 3 A.Please also refer to Fig. 2, Fig. 3 A and Fig. 3 B, multi-functional transformer 200 comprises a drum stand 210, an I shape magnetic core 220, a zigzag magnetic core 230, a plurality of first coil 240 and at least one second coil 250.Drum stand 210 comprises a long column shape body 212 and an a plurality of demarcation strip 214, its middle long column shape body 212 has a relative first surface 212a, a second surface 212b, be connected in one the 3rd surperficial 212c between first surface 212a and the second surface 212b, run through the perforation 212d of first surface 212a and second surface 212b and be arranged at a plurality of side openings of the 3rd surperficial 212c that (side opening has 3 in Fig. 2 and Fig. 3, and be denoted as 212e, 212f and 212g respectively, with convenient follow-up explanation).Demarcation strip 214 is sheathed on long column shape body 212 along the length direction L of long column shape body 212, and corresponding side opening 212e, 212f and 212g setting, to be separated out a plurality of marker spaces (marker space is 4 in Fig. 2, and is denoted as 210a, 210b, 210c and 210d respectively, with convenient follow-up explanation).I shape magnetic core 220 is arranged in the perforation 212d of long column shape body 212, and wherein side opening 212e, 212f and 212g expose the part of I shape magnetic core 220.Zigzag magnetic core 230 is arranged at drum stand 210, and have a plurality of sawtooth 232, and be example explanation with 5 sawtooth 232a, 232b, 232c, 232d and 232e in the present embodiment, wherein be positioned at inboard sawtooth 232b, 232c and 232d correspondence relatively and pass side opening 212e, 212f and 212g to be contacted by the part that side opening 212e, 212f and 212g come out with I shape magnetic core 220.First coil 240 of present embodiment has three, it is a first siding ring, and first coil 240 is arranged at marker space 210a, 210c and 210d respectively, and second coil 250 is a second siding ring, and second coil 250 is arranged at marker space 210b, and wherein second coil 250 is adjacent setting with first coil 240 that is arranged on marker space 210a and marker space 210c.
In sum, the I shape magnetic core of present embodiment is a strip, and in the embodiment that other is not drawn, also can be to be combined by multistage strip or block magnetic core.In addition, the shape of demarcation strip 214 can take the shape of the letter U, it has two dividing plate 214a, 214b parallel to each other and is vertically connected at two connecting portion 214c between dividing plate 214a, the 214b, defines marker space 210b and 210c and be arranged between the dividing plate 214a of the dividing plate 214b of three demarcation strips 214 of long column shape body 212 demarcation strip 214 adjacent with another.In order to allow demarcation strip 214 be set in long column shape body 212, so two dividing plate 214a, 214b of demarcation strip 214 have the opening that can allow long column shape body 212 run through respectively, and when demarcation strip 214 was set in long column shape body 212, connecting portion 214c was positioned at the below of long column shape body 212.Subsidiary one carries, though above-mentioned is that two dividing plates with demarcation strip 214 are with different label 214a, 214b indicates, but these two dividing plate 214a, 214b is actually identical structure, in other words two dividing plate 214a, 214b is of similar shape and size, so define marker space 210b and 210c between the dividing plate 214a of the demarcation strip 214 that the dividing plate 214b of above-mentioned explanation is adjacent with another, in fact also can be to define marker space 210b and 210c between the dividing plate 214b of the dividing plate 214b demarcation strip 214 adjacent, or define marker space 210b and 210c between the dividing plate 214a of the dividing plate 214a demarcation strip 214 adjacent with another with another.
In addition, drum stand 212 also comprises two L shaped dividing plates 216, the opening 216c that each L shaped dividing plate 216 has a mutually perpendicular 216a of first and a second portion 216b and is arranged at the 216a of first, the 216a of first is connected with first surface 212a and second surface 212b respectively, and opening 216c is communicated with perforation 212d.What should be specified is, though present embodiment is to be the example explanation with long column shape body 212, demarcation strip 214 and L shaped dividing plate 216 with independent part, but present technique field personnel can also form drum stand 210 in integrated modes such as ejection formations with long column shape body 212, demarcation strip 214 and L shaped dividing plate 216, so can be dividing plate 214a, 214b and the L shaped dividing plate 216 that on long column shape body 212, directly grows demarcation strip 214, can and then omit material cost and the artificial assembly cost of connecting portion 214c.In addition, L shaped dividing plate 216 defines marker space 210a, 210d with the dividing plate 214a (or 214b) of adjacent demarcation strip 214.Subsidiary one carries, the sawtooth quantity of sawtooth pattern magnetic core 230 can be more than the quantity of side opening, with present embodiment, the quantity of the side opening of long column shape body 212 is 3 (side opening 212e, 212f and 212g), and the quantity of sawtooth is 5 ( sawtooth 232a, 232b, 232c, 232d and 232e).In brief, the quantity of side opening is N, and wherein N is a positive integer, and the sawtooth quantity of sawtooth pattern magnetic core 230 then is N+2.Than the sawtooth that the quantity of side opening is Duoed, can increase the contact area of sawtooth pattern magnetic core 230 and I shape magnetic core 220, and also available outermost two sawtooth 232a, 232e seize L shaped dividing plate 216 jointly on both sides by the arms, sawtooth pattern magnetic core 230 firmly is installed on the drum stand 212.
In addition, because multi-functional transformer 200 is one of parts on the circuit board (not shown), in order to reach the purpose of useful effect, multi-functional transformer 200 can also comprise a plurality of stitch 260 of the second portion 216b that is arranged at L shaped dividing plate 216, and each stitch 260 and first coil 240 or 250 corresponding linking to each other of second coil, and when multi-functional transformer 200 is assembled on the circuit board, multi-functional transformer 200 by its stitch 260 to be electrical connected with circuit board.The shape of stitch 260 and the mode that is bonded on circuit board can be flexible according to actual demand for those skilled in the art, therefore repeat no more.In addition, stitch 260 can be arranged on the same side of two L shaped dividing plates 216, and perhaps the both sides of each L shaped dividing plate 216 can be provided with stitch 260.Certainly, stitch 260 also can be arranged on the connecting portion 214c of demarcation strip 214, determines according to actual demand.The quantity of stitch 260 is many more, not only can increase multi-functional transformer 200 and be arranged at assembling steadiness on the circuit board, can also promote the electrical stability of multi-functional transformer 200 and circuit board.
Fig. 4 is the principle schematic of the multi-functional transformer of Fig. 3 B.Please also refer to Fig. 3 A, Fig. 3 B and Fig. 4, because I shape magnetic core 220 contacts with sawtooth 232a, 232b, 232c, 232d and the 232e of zigzag magnetic core 230, so I shape magnetic core 220 contacts and forms a flux path with sawtooth 232a, 232b, 232c, and in when energising, can with around the home thereon two first adjacent coils 240 and second coil 250 is common forms transformer T1.Same, I shape magnetic core 220 and sawtooth 232b, 232c, 232d and two first adjacent coils 240 and second coil 250 be can be when energising common to form a transformer T2.And I shape magnetic core 220 and sawtooth 232e, 232d and first coil 240 inductance I of common formation when switching on.
It should be noted that, in the present embodiment first coil 240 and second coil 250 the position is set and quantity only is the usefulness of explanation, in fact first coil 240 and second coil 250 the position is set and quantity can change according to demand, be not limited to the content of embodiment, only one of them first coil 240 and second coil 250 need be adjacent to be provided with so that the function of transformer to be provided, and another first coil 240 separately settings so that inductive function to be provided.
Fig. 5 is that the another kind of zigzag magnetic core is implemented view.Please refer to Fig. 5, sawtooth pattern magnetic core 230 is an E shape magnetic core, and the spacing distance of its sawtooth can be provided with according to actual demand.Be noted that the spacing distance and the quantity of the corresponding sawtooth of the position of side opening and quantity.
Fig. 6 is another enforcement view of zigzag magnetic core.Please refer to Fig. 6, zigzag magnetic core 230 can be by the combining of polylith U-shaped magnetic core, and these U-shaped magnetic cores are positioned at the same side of I shape magnetic core 220.
Fig. 7 A is another enforcement view of zigzag magnetic core, and Fig. 7 B is the improvement schematic diagram of the corresponding zigzag magnetic core of long column shape body.Please also refer to Fig. 7 A and Fig. 7 B, zigzag magnetic core 230 can be by the combining of two U-shaped magnetic core 230a, 230b, and these two U-shaped magnetic core 230a, 230b are positioned at the not homonymy of I shape magnetic core 220.In addition, long column shape body 212 can also have one the 4th surperficial 212h of relative the 3rd surperficial 212c, and side opening 212i is arranged at the 4th surperficial 212h, and it is corresponding to be arranged at the position of position and the side opening that is arranged at the 3rd surperficial 212c (indicating) of the side opening 212i of the 4th surperficial 212h.
In the embodiment that another is not drawn, zigzag magnetic core 230 also can be the combination of E shape magnetic core and U-shaped magnetic core, and the lip-deep side opening of long column shape body 212 needs the sawtooth quantity and the spacing distance setting of corresponding zigzag magnetic core 230.
Though it is above-mentioned to illustrate the enforcement state of multiple zigzag magnetic core, those skilled in the art can change the composition mode of zigzag magnetic core and I shape magnetic core according to actual demand and put mode, still can under identical structuring concept, reach the function that multi-functional transformer can provide transformer and inductance simultaneously.In addition, those skilled in the art should know that also the change of the relative position of zigzag magnetic core and I shape magnetic core still belongs in the category of the present utility model, and for example the zigzag magnetic core can be from upside, downside, left side or the right side of I shape magnetic core and be embedded at drum stand.
Moreover, though above-mentioned is that the function that has transformer and inductance simultaneously with multi-functional transformer is the example explanation, but can on drum stand, be arranged to the first right coil and second coil according to actual demand so that the effect of transformer to be provided, and not need to provide the function of inductance.In other words, multi-functional transformer of the present utility model can only provide the function of transformer, and the function of transformer and inductance also can be provided simultaneously.
In sum, multi-functional transformer of the present utility model is integrated in one by structure Design with inductance and transformer, so the function of transformation and inductance can be provided simultaneously.With respect to known on the circuit board except transformer is set, also need to be provided with in addition inductance, multi-functional transformer application of the present utility model on circuit board, can be saved the manpower of assembling, the use cost of part.In addition,, get final product, can and then save the space that is provided with of inductance so only need on circuit board, plan the space that a multi-functional transformer is installed also because a multi-functional transformer can provide the function of transformer and inductance simultaneously.
Though the utility model discloses as above with embodiment, so it is not in order to qualification the utility model, and the those of ordinary skill in any affiliated technical field when doing a little change and retouching, does not break away from spirit and scope of the present utility model.
Claims (9)
1. multi-functional transformer is characterized in that comprising:
One drum stand comprises:
One long column shape body has a relative first surface, a second surface, is connected in one the 3rd surface between this first surface and this second surface, a plurality of side openings that run through a perforation of this first surface and this second surface and be arranged at the 3rd surface;
A plurality of demarcation strips are sheathed on this long column shape body along this length direction of this long column shape body, and corresponding those side openings are provided with, to be separated out a plurality of marker spaces;
One I shape magnetic core is arranged in this perforation of this long column shape body, and wherein those side openings expose the part of this I shape magnetic core;
One zigzag magnetic core is arranged at this drum stand, has a plurality of sawtooth, and wherein those sawtooth correspondences of part are passed those side openings to be contacted by the part that those side openings come out with this I shape magnetic core;
A plurality of first coils are arranged at those marker spaces of part; And
At least one second coil is arranged at one of them of those marker spaces and one of them adjacent being arranged in the different marker spaces of this at least one second coil and those first coils.
2. multi-functional transformer according to claim 1 is characterized in that this I shape magnetic core is combined by multistage strip or block magnetic core.
3. multi-functional transformer according to claim 1 is characterized in that this zigzag magnetic core is the combination of an E shape magnetic core, polylith U-shaped magnetic core or the combination of E shape magnetic core and U-shaped magnetic core.
4. multi-functional transformer according to claim 3, it is characterized in that this long column shape body also has one the 4th surface on the 3rd surface relatively, and those side openings also are arranged at the 4th surface, and it is corresponding to be arranged at those side opening positions of those side openings and the part that is arranged at the 3rd surface on the 4th surface.
5. multi-functional transformer according to claim 1 is characterized in that the shape of those demarcation strips takes the shape of the letter U.
6. multi-functional transformer according to claim 1, it is characterized in that this drum stand also comprises two L shaped dividing plates, the opening that each L shaped dividing plate has a mutually perpendicular first and a second portion and is arranged at this first, those firsts are connected with this first surface and this second surface respectively, and those openings are communicated with this perforation.
7. multi-functional transformer according to claim 6 is characterized in that this long column shape body, those demarcation strips and those L shaped dividing plates are formed in one.
8. multi-functional transformer according to claim 6 is characterized in that also comprising a plurality of stitch, is arranged at those second portions of those L shaped dividing plates, and one of them corresponding linking to each other of each stitch and this first coil and this second coil.
9. multi-functional transformer according to claim 1, the quantity that it is characterized in that those side openings of this long column shape body are N, and N is positive integer, and the quantity of those sawtooth of zigzag magnetic core is N+2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099222385U TWM401846U (en) | 2010-11-18 | 2010-11-18 | Multifunctional transformer |
| TW099222385 | 2010-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966043U true CN201966043U (en) | 2011-09-07 |
Family
ID=44528595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120014739XU Expired - Fee Related CN201966043U (en) | 2010-11-18 | 2011-01-13 | Multifunctional transformer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201966043U (en) |
| TW (1) | TWM401846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187153A (en) * | 2011-12-28 | 2013-07-03 | 三星电机株式会社 | Transformer and power module having the same |
| CN109755003A (en) * | 2017-11-03 | 2019-05-14 | 乾坤科技股份有限公司 | Integrated vertical dc inductors |
| CN110571022A (en) * | 2019-08-21 | 2019-12-13 | 苏州浪潮智能科技有限公司 | Transformer and switching power supply |
| CN111033649A (en) * | 2017-08-04 | 2020-04-17 | 脉冲电子股份有限公司 | Network converter apparatus and methods of making and using the same |
-
2010
- 2010-11-18 TW TW099222385U patent/TWM401846U/en not_active IP Right Cessation
-
2011
- 2011-01-13 CN CN201120014739XU patent/CN201966043U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187153A (en) * | 2011-12-28 | 2013-07-03 | 三星电机株式会社 | Transformer and power module having the same |
| CN111033649A (en) * | 2017-08-04 | 2020-04-17 | 脉冲电子股份有限公司 | Network converter apparatus and methods of making and using the same |
| CN109755003A (en) * | 2017-11-03 | 2019-05-14 | 乾坤科技股份有限公司 | Integrated vertical dc inductors |
| CN109755003B (en) * | 2017-11-03 | 2020-11-10 | 乾坤科技股份有限公司 | Integrated vertical inductor |
| US11257614B2 (en) | 2017-11-03 | 2022-02-22 | Cyntec Co., Ltd. | Integrated vertical inductor |
| CN110571022A (en) * | 2019-08-21 | 2019-12-13 | 苏州浪潮智能科技有限公司 | Transformer and switching power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM401846U (en) | 2011-04-11 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20120113 |