CN203011965U - Anti-interference intelligent electric meter - Google Patents
Anti-interference intelligent electric meter Download PDFInfo
- Publication number
- CN203011965U CN203011965U CN 201320011145 CN201320011145U CN203011965U CN 203011965 U CN203011965 U CN 203011965U CN 201320011145 CN201320011145 CN 201320011145 CN 201320011145 U CN201320011145 U CN 201320011145U CN 203011965 U CN203011965 U CN 203011965U
- Authority
- CN
- China
- Prior art keywords
- copper
- sampling sheet
- manganese sampling
- reference field
- electric meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model provides an anti-interference intelligent electric meter capable of effectively reducing external magnetic field interferences. The anti-interference intelligent electric meter comprises a relay, a current divider and an electric meter circuit board, wherein the current divider comprises conductive pieces at two sides and a manganin sampling piece, the conductive piece at one side is connected with the relay, two ends of the manganin sampling piece are connected with the conductive pieces at the two sides respectively, two ends of the manganin are both provided with a binding post, and the binding posts at the two ends are connected with the electric meter circuit board through a two-strand sampling wire. The manganin sampling piece is provided with three reference planes which are vertical with each other in the space, two ends of the manganin sampling piece are symmetrically distributed by taking one of the reference planes as a center, and the projected area of the manganin sampling piece on the central reference plane is greater than the projected areas of the manganin sampling pieces on the other two reference planes.
Description
Technical field
The utility model relates to jamproof intelligent electric meter.
Background technology
Because copper-manganese is the very little metal of a kind of temperature coefficient (the resistance variation with temperature that is copper-manganese can be ignored substantially, and for example once resistance rising of the every rising of red copper temperature 4/1000ths).According to U=I*R, the R of copper-manganese is constant, so just can make sampling sheet to copper-manganese is connected in series in circuit, the magnitude of voltage at measurement copper-manganese sampling sheet two ends comes the size of feedback current, the resistance that we generally design copper-manganese is 100 micro-ohms to 1000 micro-ohms left and right, the shunt both end voltage made of copper-manganese just only has 8 microvolts to 80 microvolts like this, and the signal of this microvolt level just can be used in metering and metering circuit.
Intelligent electric meter inside can comprise relay, shunt and ammeter wiring board usually; because the electric current maximum that connects on relay moving plate and still exit can arrive 80A, 220V exchanges; the large voltage of this large electric current can not directly be used by the meter electricity charge circuit of intelligent electric meter and metering circuit, so need to come conjunction measuring with aforesaid shunt.existing shunt comprises conducting strip and the copper-manganese sampling sheet of both sides, the two ends of copper-manganese sampling sheet are respectively equipped with for the binding post that connects sample line, the binding post at two ends connects the ammeter wiring board by the sample line of two strands respectively, the two ends of copper-manganese sampling sheet are connected with the conducting strip of both sides respectively, the conducting strip of one side is connected on the exit of relay, the copper-manganese sampling sheet is the plate construction of whole piece, the product of this structure is when there is magnetic interference in the external world, copper-manganese to sample microvolt signal just inaccurate, even when not having electric current, if there is magnetic interference in the external world, there is signal at the two ends of sample line, cause the metering of ammeter inaccurate.
Summary of the invention
In order to overcome easily disturbed defective of above-mentioned existing intelligent electric meter, the utility model provides and can effectively reduce the intelligent electric meter that external magnetic field disturbs.
jamproof intelligent electric meter provided by the utility model, comprise relay, shunt and ammeter wiring board, shunt comprises conducting strip and the copper-manganese sampling sheet of both sides, the conducting strip of one side connects relay, the two ends of copper-manganese sampling sheet are connected with the conducting strip of both sides respectively, the two ends of copper-manganese sampling sheet are respectively equipped with binding post, the binding post at two ends connects the ammeter wiring board by the sample line of two strands respectively, the copper-manganese sampling sheet has three reference fields that are perpendicular in twos in the space, the symmetria bilateralis that copper-manganese sampling sheet two ends are centered by a reference field distributes, the copper-manganese sampling sheet in the projected area on this center reference face greater than the projected area of copper-manganese sampling sheet on another two reference fields.
the utility model provides the technical conceive that reduces magnetic interference, three reference fields in the space are virtual concepts, be intended to express exist three vertical virtual planes all between any two in the space, and this three dimensions is all mutually vertical with the changing magnetic field that comes from three directions respectively, like this by arranging one perpendicular to its reference field in the variation magnetic field direction that faces maximum, and the copper-manganese sampling sheet is arranged its symmetrical two ends centered by this reference field, and should symmetry the relative copper-manganese sampling sheet of every end at two ends to extend area in the space be maximum, so owing to cancelling out each other at the induction electromotive force that its two ends produce in maximum variation magnetic field, thereby reduce the magnetic interference that brings on the direction of maximum variation magnetic field, and then reduce its whole annoyance level, compare existing intelligent electric meter, at sectional area, under the constant prerequisite of the basic parameter such as volume and resistance value, only change by the configuration to the copper-manganese sampling sheet, just can reduce the interference to manganese copper diverter, make intelligent electric meter obtain measuring accurately numerical value.
the preferred jamproof intelligent electric meter of the utility model, that three reference fields are respectively the side reference fields, horizontal reference field and vertical reference field, horizontal reference field and ammeter wiring board are set in parallel, the symmetria bilateralis that copper-manganese sampling sheet two ends are centered by the side reference field distributes, the copper-manganese sampling sheet in the projected area on the side reference field greater than the projected area of copper-manganese sampling sheet on horizontal reference field, the copper-manganese sampling sheet in the projected area on horizontal reference field greater than the projected area on vertical reference field, two wiring orientation on the ammeter terminal block are identical with two sample line in the wiring orientation on two binding posts for two sample line.The strongest owing to disturbing from the variation magnetic field on side direction in intelligent electric meter inside, symmetrical by the copper-manganese sampling sheet being adjusted into centered by the opposite side reference field of two ends, just the magnetic interference from side direction can be offset.Owing to being weaker than the side direction variation magnetic field from the variation magnetic field on vertically but be better than transversely variation magnetic field, therefore be set in parallel by horizontal reference field and ammeter wiring board and the specific wiring orientation of sample line, the induction electromotive force that produces on the induction electromotive force that produces on copper-manganese sampling sheet transverse plane and circuit board plane is offseted, thereby will offset from magnetic interference longitudinally.And that disturb residue variation magnetic field transversely is the most weak even near noiseless, and corresponding copper-manganese sampling sheet longitudinal projection area is minimum with it, so the induction electromotive force that copper-manganese sampling sheet fore-and-aft plane produces is also corresponding the most weak even close to nothing.
Jamproof intelligent electric meter of the present utility model is set to especially the wiring position of two sample line on the ammeter terminal block and is vertically with the copper-manganese sampling sheet and aligns.Make the induction electromotive force in the same size of generation, improve the anti-jamming effectiveness to vertical variation magnetic field.
The utility model is preferred jamproof intelligent electric meter further, that the copper-manganese sampling sheet has the end that is positioned at two ends, each end all has medial surface, lateral surface, leading flank, trailing flank, medial surface and the lateral surface of each end are parallel to each other, the medial surface of two ends is parallel to each other, the lateral surface of two ends is parallel to each other, and the leading flank of each end and trailing flank are parallel to each other and respectively perpendicular to interior lateral surface.Copper-manganese sampling sheet two ends are the tabular of symmetrical two parallel even thickness like this, and its two ends all parallel with the side reference field, can offset to greatest extent the magnetic interference from side direction.
The utility model is further preferred jamproof intelligent electric meter again, and it has the pars intermedia between two ends, and this pars intermedia has two front/rear ends that parallel, and front end face and leading flank are same plane, and rear end face and trailing flank are same plane.Such design makes pars intermedia be subject to spacing between the front and back sides at spacing between two lateral surfaces at both ends and both ends in the projected area on horizontal reference field, that is to say
Can reduce the horizontal area of pars intermedia, thereby the interference-limited of the induction electromotive force that will produce at pars intermedia perpendicular to the variation magnetic field of pars intermedia direction within limits, also can make pars intermedia more reasonable with coordinating of ammeter terminal block.
The utility model is further preferred jamproof intelligent electric meter again, and the longitudinal cross-section of its copper-manganese sampling sheet is the U font structure, has advantages of easy processing, and the copper-manganese sampling sheet only needs a punching press namely plastic.
The utility model is preferred jamproof intelligent electric meter further, and between the front and back sides of its end, spacing equals 2 times of spacing between two lateral surfaces, and between two lateral surfaces, spacing equals 2 times of spacing between two medial surfaces.The copper-manganese sampling sheet that this ratio is made is to use under the Sheet Metal Forming Technology prerequisite, the most rational anti-jamming effectiveness that can reach on three variation magnetic field directions.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Description of drawings
Fig. 1 is one of structural drawing of the jamproof intelligent electric meter embodiment of the utility model.
Fig. 2 be the jamproof intelligent electric meter embodiment of the utility model structural drawing two.
Fig. 3 is one of structural drawing of manganese copper diverter in Fig. 1.
Fig. 4 be manganese copper diverter in Fig. 1 structural drawing two.
Fig. 5 be in Fig. 1 manganese copper diverter stretch-out view.
Embodiment
as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, jamproof intelligent electric meter embodiment of the present utility model, comprise hard-wired relay 5, shunt 6 and ammeter wiring board 3, shunt 6 comprises conducting strip 2 and the copper-manganese sampling sheet 1 of both sides, the two ends of copper-manganese sampling sheet 1 are respectively equipped with for the binding post 19 that connects sample line, the binding post 19 at two ends connects ammeter wiring board 3 by the sample line 4 of two strands respectively, the two ends of copper-manganese sampling sheet 1 are connected with the conducting strip 2 of both sides respectively, and be by ultrasonic soldering, they to be fixed together, when shunt 6 is assembled to relay 5 use, the conducting strip 2 of one side is connected to the exit of relay 5.Two wiring orientation on ammeter terminal block 3 are identical with two sample line 4 in the wiring orientation of two sample line 4 of the present embodiment on two binding posts 19, left sample line 4 in binding post 19 as shown in Figure 2, its wiring orientation on ammeter wiring board 3 is also the left side, and in like manner the two ends of right sample line 4 are linked into respectively the binding post 19 on right side and the right wiring orientation on ammeter wiring board 3.As depicted in figs. 1 and 2, in the present embodiment, the wiring position of two sample line 4 on ammeter terminal block 3 is vertically with copper-manganese sampling sheet 1 and aligns.
As shown in Figure 3, Figure 4, copper-manganese sampling sheet 1 in embodiment has three reference field a, b, the c that is perpendicular in twos in the space, three reference fields are the virtual planes that are present in the space, the orientation of three reference fields in the present embodiment when coordinating with relay is as the criterion, be respectively side reference field a, horizontal reference field b and vertical reference field c, have respectively three variation magnetic fields perpendicular to them on three reference field a, b, c, horizontal reference field b and ammeter wiring board 3 are set in parallel.
as Fig. 3, shown in Figure 4, the longitudinal cross-section of the copper-manganese sampling sheet 1 of embodiment is the U font structure, be by will with original equal volume, sectional area and resistance value, and a punching press of copper-manganese sampling sheet as shown in Figure 5 that is even thickness forms, copper-manganese sampling sheet 1 after punching press has at the end 11 at two ends and the pars intermedia between two ends 11 12, each end 11 all has medial surface 11a, lateral surface 11b, leading flank 11c, trailing flank 11d, medial surface 11a and the lateral surface 11b of each end 11 are parallel to each other, the medial surface 11a of two ends 11 is parallel to each other, the lateral surface 11b of two ends 11 is parallel to each other, the leading flank 11c of each end 11 and trailing flank 11d are parallel to each other and respectively perpendicular to interior lateral surface 11a, 11b, and pars intermedia 12 has two front/rear end 12a that parallel, 12b, front end face 12a and leading flank 11c are same plane, rear end face 12b and trailing flank 11d are same plane, plane in the middle of the surface of the pars intermedia 12 of embodiment can be considered and the cambered surface of both sides form, the both sides cambered surface is connected with the both ends 11 of copper-manganese sampling sheet 1 respectively, the front and back sides 11c of the present embodiment medial end portions 11, between 11d, spacing equals 2 times of spacing between two lateral surface 11b, between two lateral surface 11b, spacing equals 2 times of spacing between two medial surface 11a, the length that is to say the fore-and-aft direction of pars intermedia 12 is 2 times of its inward-outward direction width, and the width of the inward-outward direction of copper-manganese sampling sheet 1 is 2 times of its thickness.
as Fig. 3, shown in Figure 4, embodiment is owing to being as previously described, the longitudinal cross-section is the structure of U font, the symmetria bilateralis that copper-manganese sampling sheet 1 is centered by side reference field a distributes, it is two parallel tabular that its both ends 11 are in the both sides of side reference field a, the both ends 11 of copper-manganese sampling sheet 1 have maximum lateral plane area, projected area on side reference field a greater than copper-manganese sampling sheet 1 at another two reference field b, projected area on c, as Fig. 1 when therefore using the present embodiment, assembling shown in Figure 2 is used, because the interference perpendicular to the variation magnetic field of side reference field a is the strongest, so cancel out each other owing to having produced induction electromotive force in the both ends 11 of copper-manganese sampling sheet 1, thereby make the Interference Cancellation from side direction.The projected area of copper-manganese sampling sheet 1 on horizontal reference field b, namely be equivalent to pars intermedia 12 in the projected area on horizontal reference field b greater than the projected area on vertical reference field c, pars intermedia 12 and ammeter wiring board 3 are all to be parallel with horizontal reference field b two plane, therefore when having the vertical variation magnetic field vertical with reference field b, pars intermedia 12 all can produce induction electromotive force with ammeter wiring board 3, these two induction electromotive forces just can be cancelled out each other so, drop to minimum thereby make from variation magnetic field interference longitudinally.Relatively the most weak perpendicular to the horizontal change magnetic interference on vertical reference field c, and the projected area of copper-manganese sampling sheet 1 integral body on vertical reference field c be minimum, is interfered on so vertical reference field c corresponding the most weak even close to ignoring.
Protection domain of the present utility model is not limited to above-described embodiment; allow the copper-manganese sampling sheet 1 in intelligent electric meter that considerable variation can be arranged; but meet the following conditions: have three reference fields that are perpendicular in twos in the space; one of them reference field is perpendicular to the strong jamming magnetic direction of intelligent electric meter inside; the symmetria bilateralis that copper-manganese sampling sheet 1 two ends are centered by one of them reference field distributes, copper-manganese sampling sheet 1 in the projected area on this center reference face greater than the projected area of copper-manganese sampling sheet on another two reference fields.Because as long as determine to disturb the strongest variation magnetic field direction, can determine vertical with it reference field, copper-manganese sampling sheet 1 being set to two ends distributes in this reference field symmetria bilateralis again, and the projected area that satisfies on this center reference face is precondition maximum in three reference fields, can realize offsetting the purpose from the interference of the strongest variation magnetic field direction.
if accomplish interference is further reduced, can also be realized by the following method, three reference fields are respectively side reference field a, horizontal reference field b and vertical reference field c, horizontal reference field b and ammeter wiring board 3 are set in parallel, side reference field a is perpendicular to the side direction magnetic direction of intelligent electric meter inside, horizontal reference field b is perpendicular to the longitudinal magnetic field direction of intelligent electric meter inside, vertical reference field c is perpendicular to the transverse magnetic field direction of intelligent electric meter inside, the cross section of copper-manganese sampling sheet 1 is the U font structure that the symmetria bilateralis centered by the side reference field distributes, the two ends of copper-manganese sampling sheet 1 all have medial surface 11a, lateral surface 11b, leading flank 11c, trailing flank 11d, medial surface 11a and the lateral surface 11b of each end 11 are parallel to each other, the medial surface 11a of two ends 11 is parallel to each other, the lateral surface 11b of two ends 11 is parallel to each other, the leading flank 11c of each end 11 and trailing flank 11d are parallel to each other and respectively perpendicular to interior lateral surface 11a11b, copper-manganese sampling sheet 1 has the pars intermedia 12 between two ends 11, this pars intermedia 12 has two front/rear end 12a12b that parallel, front end face 12a and leading flank 11c are same plane, rear end face 12b and trailing flank 11d are same plane, copper-manganese sampling sheet 1 in the projected area on side reference field a greater than the projected area of copper-manganese sampling sheet 1 on horizontal reference field b, copper-manganese sampling sheet 1 in the projected area on horizontal reference field b greater than the projected area on vertical reference field c, two wiring orientation on ammeter terminal block 3 are identical with two sample line 4 in the wiring orientation of two sample line 4 on two binding posts 19.
At last the wiring position of two sample line 4 on ammeter terminal block 3 is vertically to align with copper-manganese sampling sheet 1 and can also strengthens anti-jamming effectiveness, therefore protection domain of the present utility model is to be defined by claim.
Claims (7)
1. jamproof intelligent electric meter, comprise relay (5), shunt (6) and ammeter wiring board (3), shunt (1) comprises conducting strip (2) and the copper-manganese sampling sheet (1) of both sides, the conducting strip of one side (2) connects relay (5), the two ends of copper-manganese sampling sheet (1) are connected with the conducting strip (2) of both sides respectively, the two ends of copper-manganese sampling sheet (1) are respectively equipped with binding post (19), the binding post at two ends (19) connects ammeter wiring board (3) by the sample line (4) of two strands respectively, it is characterized in that: copper-manganese sampling sheet (1) has three reference fields that are perpendicular in twos in the space, the symmetria bilateralis that copper-manganese sampling sheet (1) two ends are centered by a reference field distributes, copper-manganese sampling sheet (1) in the projected area on this center reference face greater than the projected area of copper-manganese sampling sheet (1) on another two reference fields.
2. jamproof intelligent electric meter according to claim 1, it is characterized in that: described three reference fields are respectively side reference field (a), horizontal reference field (b) and vertical reference field (c), horizontal reference field (b) is set in parallel with ammeter wiring board (3), the symmetria bilateralis that copper-manganese sampling sheet (1) two ends are centered by side reference field (a) distributes, copper-manganese sampling sheet (1) in the projected area on side reference field (a) greater than the projected area of copper-manganese sampling sheet (1) on horizontal reference field (b), copper-manganese sampling sheet (1) in the projected area on horizontal reference field (b) greater than the projected area on vertical reference field (c), two wiring orientation on ammeter terminal block (3) are identical with two sample line (4) in the wiring orientation on two binding posts (19) for two sample line (4).
3. jamproof intelligent electric meter according to claim 2, it is characterized in that: the wiring position of two sample line (4) on ammeter terminal block (3) is vertical with copper-manganese sampling sheet (1) and aligns.
4. according to claim 1 and 2 or 3 described jamproof intelligent electric meters, it is characterized in that: copper-manganese sampling sheet (1) has the end (11) that is positioned at two ends, each end (11) all has medial surface (11a), lateral surface (11b), leading flank (11c), trailing flank (11d), medial surface (11a) and the lateral surface (11b) of each end (11) are parallel to each other, the medial surface (11a) of two ends (11) is parallel to each other, the lateral surface (11b) of two ends (11) is parallel to each other, the leading flank (11c) of each end (11) and trailing flank (11d) are parallel to each other and respectively perpendicular to interior lateral surface (11a, 11b).
5. jamproof intelligent electric meter according to claim 4, it is characterized in that: copper-manganese sampling sheet (1) has the pars intermedia (12) that is positioned between two ends (11), this pars intermedia (12) has two front/rear ends that parallel (12a, 12b), front end face (12a) is same plane with leading flank (11c), and rear end face (12b) is same plane with trailing flank (11d).
6. jamproof intelligent electric meter according to claim 5, it is characterized in that: the longitudinal cross-section of copper-manganese sampling sheet (1) is the U font structure.
7. jamproof intelligent electric meter according to claim 6, it is characterized in that: the front and back sides (11c) of end (11) (11d) between spacing equal 2 times of spacing between two lateral surfaces (11b), between two lateral surfaces (11b), spacing equals 2 times of spacing between two medial surfaces (11a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011145 CN203011965U (en) | 2013-01-10 | 2013-01-10 | Anti-interference intelligent electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011145 CN203011965U (en) | 2013-01-10 | 2013-01-10 | Anti-interference intelligent electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011965U true CN203011965U (en) | 2013-06-19 |
Family
ID=48603547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011145 Withdrawn - After Issue CN203011965U (en) | 2013-01-10 | 2013-01-10 | Anti-interference intelligent electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698564A (en) * | 2013-12-26 | 2014-04-02 | 华立仪表集团股份有限公司 | Method for preventing power frequency magnetic field startup of PCBs (Printed Circuit Boards) of electricity meter |
| CN111830301A (en) * | 2019-04-23 | 2020-10-27 | 宁波三星智能电气有限公司 | Electric energy meter |
-
2013
- 2013-01-10 CN CN 201320011145 patent/CN203011965U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698564A (en) * | 2013-12-26 | 2014-04-02 | 华立仪表集团股份有限公司 | Method for preventing power frequency magnetic field startup of PCBs (Printed Circuit Boards) of electricity meter |
| CN111830301A (en) * | 2019-04-23 | 2020-10-27 | 宁波三星智能电气有限公司 | Electric energy meter |
| CN111830301B (en) * | 2019-04-23 | 2023-03-31 | 宁波三星智能电气有限公司 | Electric energy meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202903841U (en) | Electronic watt-hour meter capable of resisting alternating magnetic field interference | |
| CN203011965U (en) | Anti-interference intelligent electric meter | |
| CN103630716B (en) | A kind of anti-interference shunt and electronic electric energy meter thereof | |
| CN203587681U (en) | Electronic electric energy meter resistant to magnetic-field interference | |
| CN103063891B (en) | Anti-interference intelligent electric meter and anti-interference method of intelligent electric meter | |
| CN202870138U (en) | Manganin shunt and electronic Watt-hour meter | |
| CN103076475B (en) | Anti-interference manganese-copper current divider | |
| CN111190036A (en) | Shunt lead structure, electric power meter with shunt lead structure and manufacturing method of shunt lead structure | |
| CN202939197U (en) | Shunt of electronic watt-hour meter capable of resisting alternating magnetic field interference | |
| CN202994863U (en) | Anti-interference manganese and copper current divider | |
| CN203025249U (en) | Single-phase metering module for single-phase electric energy meter | |
| CN203054033U (en) | Anti-interference manganese-copper diverter | |
| CN211856700U (en) | Shunt lead structure, wiring terminal button box thereof and electric instrument thereof | |
| CN202815087U (en) | Electronic electric energy meter capable of reducing alternating electromagnetic interference | |
| CN202815037U (en) | Electronic electric energy meter capable of reducing interference on current divider caused by alternating magnetic filed | |
| CN103630746B (en) | A kind of measurement and assessment have the method for air gap magnetic cell winding AC resistance | |
| CN103559968B (en) | Shunting element for printed circuit board | |
| CN203456390U (en) | Relay with diverter | |
| CN202661496U (en) | Manganese-copper shunt | |
| CN203672929U (en) | Manganin diverter with alternating magnetic field interference-proof property, relay and electronic electric energy meter | |
| CN204028161U (en) | A kind of current sample composite structure resisting strong magnetic for electric energy meter | |
| CN203720261U (en) | Electronic watt-hour meter facilitating reduction of alternating magnetic field interference and shunt thereof | |
| CN205230781U (en) | Three -phase current transformer's magnetism shielding structure based on air core coil | |
| CN204855591U (en) | Copper -manganese shunt | |
| CN202837357U (en) | Electronic watt-hour meter capable of decreasing interference on diverter by alternating magnetic field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |