CN204065164U - A kind of high voltage multipole multimode switching device shifter - Google Patents
A kind of high voltage multipole multimode switching device shifter Download PDFInfo
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- CN204065164U CN204065164U CN201420508613.1U CN201420508613U CN204065164U CN 204065164 U CN204065164 U CN 204065164U CN 201420508613 U CN201420508613 U CN 201420508613U CN 204065164 U CN204065164 U CN 204065164U
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- 230000005405 multipole Effects 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 76
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 4
- 238000004382 potting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model relates to a kind of high voltage multipole multimode switching device shifter.There is no applicable high pressure multipole multimode in the market and switch product.The utility model comprises moving control mechanism, high pressure cassette holder, kind of low-pressure connector and high voltage connections.Wire connection cavity wall in high pressure cassette holder is provided with many low tension terminals and high-voltage connection contact pin, high pressure cassette holder is provided with multiple sleeve pipe lead connecting seat.Many low pressure conducting contact pins of kind of low-pressure connector are corresponding with the low tension terminal of high pressure cassette holder respectively; Many high voltage conduction posts of high voltage connections are corresponding with the high-voltage connection contact pin of high pressure cassette holder respectively.Kind of low-pressure connector is fixedly connected with by connecting rod with high voltage connections, and connecting rod is arranged through metal case, and motor drives high and low pressure web member synchronizing moving by screw mandrel.The multipole multimode that the utility model achieves needed for automatic measurement process switches, and realizes the shielding of high pressure measure loop whole process, avoids the high-pressure leakage of measure loop, ensures accuracy of detection.
Description
Technical field
The utility model belongs to field of measurement technique of electrical equipment, is specifically related to a kind of high voltage multipole multimode switching device shifter.
Technical background
The detection at present power transformer carried out, part test item need apply high voltage, and other test items need apply low-voltage; Even if same test item, part winding or sleeve pipe lead end will apply to detect power supply, and another part winding or sleeve pipe lead end need ground connection or unsettled, and will change back and forth each other.Realize a joint test to go between multiple project continuous automatic inspection, need the handoff functionality of high pressure, low pressure, ground connection, four kinds of states such as unsettled.
Power transformer high pressure test item is mainly for its insulating property, and high pressure measure loop (mainly testing circuit and high-voltage connection) and periphery object or insulating property greatly, can detect high pressure and produce significant impact.Good disposal route is at the additional one deck of high pressure measure loop and high-tension measurement loop equipotential but the metal screen layer insulated, and high pressure is isolated low pressure or leakage greatly and measure loop.
The winding of each electric pressure of usual power transformer has 2 ~ 4 sleeve pipes to draw usually, and each power transformer has 2 ~ 3 electric pressures usually.So from requirement efficiency, switching device shifter preferably multipole.There is no in the market and be suitable for power transformer detection needs, the high pressure multipole multimode possessing shielding character switches product.
Summary of the invention
The purpose of this utility model is just to provide a kind of high voltage multipole multimode switching device shifter.
The utility model comprises moving control mechanism, high pressure cassette holder, kind of low-pressure connector and high voltage connections.
Moving control mechanism comprises stepper motor and screw mandrel, and one end of screw mandrel is connected with the clutch end of stepper motor, and the other end is connected with kind of low-pressure connector; Stepper motor drives screw mandrel to rotate, and realizes the driving to kind of low-pressure connector and high voltage connections.
High pressure cassette holder comprises metal case, low tension terminal, high-voltage connection contact pin, sleeve pipe lead connecting seat; Described metal case is closed box body, and the cavity in metal case is as wire connection cavity; Relative two sidewalls of metal case have low tension terminal mounting hole and high-voltage connection contact pin mounting hole, and low tension terminal is arranged in low tension terminal mounting hole, and high-voltage connection contact pin is arranged in high-voltage connection contact pin mounting hole; The one side of metal case is provided with multiple sleeve pipe lead connecting seat, each sleeve pipe lead connecting seat contains multi-electrode, shielded metal shell is established in outside, the metal shell of sleeve pipe lead connecting seat is communicated with metal case, and multiple sleeve pipe lead connecting seat is connected with the low pressure heart yearn joint of low tension terminal and the high pressure heart yearn joint of high-voltage connection contact pin by wire;
Many low tension terminal horizontal directions are set in parallel in a sidewall of metal case, one end of low tension terminal is stretched in wire connection cavity, and as low pressure heart yearn joint, the other end is built in low tension terminal mounting hole, forms the low compression bonded line interface of recess;
Many high-voltage connection contact pin horizontal directions are set in parallel in another sidewall of metal case; The head end of high-voltage connection contact pin is stretched out high-voltage connection contact pin mounting hole and is arranged, and as high-voltage connection contact, can move forward and backward in the horizontal direction by opposing metallic box body; The afterbody end of cassette holder high-voltage connection contact pin stretches in wire connection cavity, as high pressure heart yearn joint;
Described high-voltage connection contact pin is sleeve structure, and its outer tube is fixedly installed in metal case, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively.
Relative two inwalls of described metal case are respectively arranged with low tension terminal holder and high-voltage connection contact pin holder, and low tension terminal holder is used for fixing low tension terminal, and high-voltage connection contact pin holder is used for fixing high-voltage connection contact pin.
Described metal case outer wrapping insulating material.
Sleeve pipe lead connecting seat detects lead-in wire for connecting, similar with conventional aviation socket, be arranged at the one side of high pressure cassette holder, and multiple sleeve pipe lead connecting seat can be provided with, each sleeve pipe lead connecting seat contains multi-electrode, usually has two paths, and shielded metal shell is established in outside, the metal shell of sleeve pipe lead connecting seat is communicated with metal case, forms short circuit.
The multi-electrode outer wrapping insulating material of described sleeve pipe lead connecting seat, and be fixed in the metal shell of sleeve pipe lead connecting seat.
Described kind of low-pressure connector comprises low pressure metal seat and low pressure conducting contact pin, low pressure metal seat has low pressure conducting contact pin mounting hole, multiple low pressure conducting contact pin horizontal direction is set in parallel in corresponding low pressure conducting contact pin mounting hole, low pressure conducting contact pin is identical with low tension terminal quantity; The head end of each low pressure conducting contact pin is stretched out low pressure conducting contact pin mounting hole and is arranged, as low pressure conducting contact, can relatively low pressure metal pedestal move forward and backward in the horizontal direction, low pressure conducting contact and low compression bonded line interface position one_to_one corresponding, the afterbody end of low pressure conducting contact pin is connected with low pressure checkout equipment; Low pressure metal seat has threaded hole, and the other end of screw mandrel is arranged in threaded hole, and stepper motor is moved forward and backward by screw mandrel energize low-pressure metal pedestal;
Described low pressure conducting contact pin is sleeve structure, and its outer tube is fixedly installed in low pressure metal seat, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively.
Described high voltage connections comprises high-pressure metal seat and high voltage conduction post, high-pressure metal seat has high voltage conduction post mounting hole, multiple high voltage conduction post horizontal direction is set in parallel in corresponding high voltage conduction post mounting hole, high voltage conduction post is identical with high-voltage connection contact pin quantity; One end of each high voltage conduction post is connected with high-voltage detecting device, and the other end is built in high-pressure metal seat, forms high voltage conduction interface, high voltage conduction interface and the high-voltage connection contact position one_to_one corresponding of recess.
Described kind of low-pressure connector is fixedly connected with by connecting rod with high voltage connections, connecting rod is arranged through the metal case of high pressure cassette holder, and be slidably matched with metal case, stepper motor is by screw mandrel energize low-pressure web member and high voltage connections relatively high pressure cassette holder synchronizing moving.
Described connecting rod outer wall wrap insulate material.
When kind of low-pressure connector is close to high pressure cassette holder, the low pressure conducting contact of low pressure conducting contact pin inserts low compression bonded line interface, realizes sleeve pipe lead-in wire and connects, reach and be connected with kind of low-pressure connector hyperchannel; When high voltage connections is close to high pressure cassette holder, the high-voltage connection contact of high-voltage connection contact pin inserts high voltage conduction interface, realizes sleeve pipe lead-in wire and connects, reach and be connected with high voltage connections hyperchannel; When kind of low-pressure connector and high voltage connections all depart from high pressure cassette holder, contact does not all contact with interface, then sleeve pipe lead-in wire is directly just in vacant state.Thus realize multipole and connect sleeve pipe lead-in wire, realize, the applying of high-potting electric current, voltage low to bushing shell for transformer terminal, the collection of signal.
The multipole multimode that high voltage multipole multimode switching device shifter of the present utility model achieves to be needed in automatic measurement process switches, and after connection with switching, realize the shielding of high pressure measure loop whole process, avoid the high-pressure leakage of measure loop, ensure accuracy of detection.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present utility model;
Fig. 2 is the cross-sectional view of Fig. 1.
Embodiment
As shown in Figure 1, a kind of high voltage multipole multimode switching device shifter comprises moving control mechanism 1, high pressure cassette holder 2, kind of low-pressure connector 3, high voltage connections 4.Moving control mechanism 1, for controlling the movement of kind of low-pressure connector 3 and high voltage connections 4, realizes the driving to kind of low-pressure connector 3 and high voltage connections 4.High pressure cassette holder 2 is for detecting the connection of lead-in wire and switching and making high pressure measure loop be in shielding environment.Kind of low-pressure connector 3 is for unsettled or be connected with low-tension supply, low-voltage testing circuit, ground terminal.High voltage connections 4 is for connecting to high-voltage power supply and corresponding testing circuit full-shield.Sleeve pipe lead connecting seat goes between with sleeve pipe and is connected, and realizes the connection of switching device shifter and each winding casing tube of transformer.All high voltage components meet dielectric strength requirement.
As shown in Figure 2, moving control mechanism 1 comprises stepper motor 1-1 and screw mandrel 1-2, and one end of screw mandrel 1-2 is connected with the clutch end of stepper motor 1-1, and the other end is connected with kind of low-pressure connector 3; Stepper motor 1-1 drives screw mandrel 1-2 to rotate, thus realizes the driving to kind of low-pressure connector 3 and high voltage connections 4.
High pressure cassette holder 2 comprises metal case 2-1, and metal case 2-1 is closed box body, and the cavity in metal case 2-1 is as wire connection cavity 2-2, and wire connection cavity 2-2 is mainly the switching of detection lead-in wire and arranges slot milling with the parts such as low tension terminal, high-voltage connection contact pin.Relative two inwalls of metal case 2-1 are fixedly installed respectively low tension terminal holder 2-3 and high-voltage connection contact pin holder 2-4, and correspondence has low tension terminal mounting hole and high-voltage connection contact pin mounting hole.
On low tension terminal holder 2-3, horizontal parallel is fixedly installed many low tension terminal 2-5, one end of low tension terminal 2-5 is stretched in wire connection cavity 2-2, as low pressure heart yearn joint, the other end is built in low tension terminal mounting hole, forms the low compression bonded line interface 2-6 of recess.When kind of low-pressure connector 3 close to time accept multipole insert, reach and be connected with kind of low-pressure connector 3 hyperchannel; The low compression bonded line interface 2-6 of recess also possesses shielding properties when kind of low-pressure connector 3 is departed from.
In high-voltage connection contact pin holder 2-4, level is fixedly installed many high-voltage connection contact pin 2-7, and the head end of high-voltage connection contact pin 2-7 can move forward and backward by opposing metallic box body 2-1 in the horizontal direction; The afterbody end of high-voltage connection contact pin 2-7 stretches in wire connection cavity 2-2, as high pressure heart yearn joint, head end is stretched out high-voltage connection contact pin mounting hole and is arranged, as high-voltage connection contact 2-8, when high voltage connections 4 near time multipole insert, reach and be connected with high voltage connections 4 hyperchannel.
High-voltage connection contact pin 2-7 is sleeve structure, and its outer tube is fixedly installed in metal case 2-1, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively.
The upper tops of metal case 2-1 arranges four sleeve pipe lead connecting seat 2-9, detects lead-in wire for connecting, similar with conventional aviation socket.Each sleeve pipe lead connecting seat 2-9 contains two electrodes, and shielded metal shell is established in outside, electrode outer wrapping insulating material, and is fixed in the metal shell of sleeve pipe lead connecting seat 2-9; The metal shell of sleeve pipe lead connecting seat 2-9 and metal case 2-1 conducting, four sleeve pipe lead connecting seat 2-9 are connected with low pressure heart yearn joint or high pressure heart yearn joint by wire.
Kind of low-pressure connector 3 comprises low pressure metal seat 3-1 and low pressure conducting contact pin 3-2, low pressure metal seat 3-1 has low pressure conducting contact pin mounting hole; Many low pressure conducting contact pin 3-2 horizontal directions are set in parallel in low pressure metal seat 3-1; The head end of each low pressure conducting contact pin 3-2 is stretched out low pressure conducting contact pin mounting hole and is arranged, as low pressure conducting contact 3-3, can move forward and backward in the horizontal direction by relatively low pressure metal pedestal 3-1, each low pressure conducting contact 3-3 and low compression bonded line interface 2-6 position one_to_one corresponding; The afterbody end of low pressure conducting contact pin 3-2 is connected with low pressure checkout equipment.
Low pressure conducting contact pin 3-2 is sleeve structure, and its outer tube is fixedly installed in low pressure metal seat 3-1, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively.
Low pressure metal seat 3-1 has threaded hole, the other end of screw mandrel 1-2 is arranged in threaded hole, thus stepper motor 1-1 is moved forward and backward by screw mandrel 1-2 energize low-pressure web member 3 and high voltage connections 4.
High voltage connections 4 comprises high-pressure metal seat 4-1 and high voltage conduction post 4-2, high-pressure metal seat 4-1 has high voltage conduction post mounting hole, multiple high voltage conduction post 4-2 is fixedly installed in corresponding high voltage conduction post mounting hole respectively, one end of each high voltage conduction post 4-2 is connected with high-voltage detecting device, the other end is built in high-pressure metal seat 4-1, a little less than high voltage conduction post mounting hole aperture position, form the high voltage conduction interface 4-3 of recess, and the high-voltage connection contact 2-8 position one_to_one corresponding of high-voltage connection contact pin 2-7 with high pressure cassette holder.The high voltage conduction interface 4-3 of recess also possesses shielding properties when high voltage connections 4 is departed from.
Kind of low-pressure connector 3 is fixedly connected with by connecting rod 5 with high voltage connections 4, connecting rod 5 outer wall wrap insulate material, connecting rod 5 is arranged through the metal case 2-1 of high pressure cassette holder 2, and be slidably matched with metal case 2-1, make screw mandrel 1-2 energize low-pressure web member 3 and high voltage connections 4 relatively high pressure cassette holder 2 synchronizing moving by control step motor 1-1.
Need the multi-electrode of sleeve pipe lead connecting seat to be connected with low pressure heart yearn joint and high pressure heart yearn joint by wire according to test.Carrying out in main transformer Aulomatizeted Detect process, when needing to connect high-voltage power supply or corresponding testing circuit, moving control mechanism makes kind of low-pressure connector and high voltage connections synchronously move forward and backward by screw mandrel.When kind of low-pressure connector is near high pressure cassette holder, high voltage connections is away from high pressure cassette holder, low pressure conducting contact pin multipole in kind of low-pressure connector is inserted in the low tension terminal mounting hole of high pressure cassette holder, contact respectively with the low compression bonded line interface of corresponding low pressure joint pin, reach and be connected with kind of low-pressure connector hyperchannel, complete the conducting of low pressure detection line, thus realize the connection of sleeve pipe lead-in wire.When high voltage connections is near high pressure cassette holder, kind of low-pressure connector is away from high pressure cassette holder, the multipole that high voltage connections accepts the high-voltage connection contact pin be positioned on high pressure cassette holder is inserted, reach and be connected with high voltage connections hyperchannel, complete the conducting of high pressure detection line, thus multipole connects the realization of sleeve pipe lead-in wire to bushing shell for transformer terminal high-potting electric current, the applying of voltage, the collection of signal.When needing unsettled operation, kind of low-pressure connector and high voltage connections do not contact with high-voltage connection contact pin with the low tension terminal of high pressure cassette holder, thus make sleeve pipe lead-in wire directly just be in vacant state.By control step motor, the detection of high pressure, low pressure, unsettled three kinds of states can be completed easily.
Claims (7)
1. a high voltage multipole multimode switching device shifter, comprises moving control mechanism, high pressure cassette holder, kind of low-pressure connector and high voltage connections; It is characterized in that:
Described moving control mechanism comprises stepper motor and screw mandrel, and one end of screw mandrel is connected with the clutch end of stepper motor, and the other end is connected with kind of low-pressure connector;
Described high pressure cassette holder comprises metal case, low tension terminal, high-voltage connection contact pin, sleeve pipe lead connecting seat; Described metal case is closed box body, and the cavity in metal case is as wire connection cavity; Relative two sidewalls of metal case have low tension terminal mounting hole and high-voltage connection contact pin mounting hole, and low tension terminal is arranged in low tension terminal mounting hole, and high-voltage connection contact pin is arranged in high-voltage connection contact pin mounting hole; The one side of metal case is provided with multiple sleeve pipe lead connecting seat, and each sleeve pipe lead connecting seat contains multi-electrode, and multiple sleeve pipe lead connecting seat is connected with the low pressure heart yearn joint of low tension terminal and the high pressure heart yearn joint of high-voltage connection contact pin by wire;
Many low tension terminal horizontal directions are set in parallel in a sidewall of metal case, one end of low tension terminal is stretched in wire connection cavity, and as low pressure heart yearn joint, the other end is built in low tension terminal mounting hole, forms the low compression bonded line interface of recess;
Many high-voltage connection contact pin horizontal directions are set in parallel in another sidewall of metal case; The head end of high-voltage connection contact pin is stretched out high-voltage connection contact pin mounting hole and is arranged, and as high-voltage connection contact, can move forward and backward in the horizontal direction by opposing metallic box body; The afterbody end of cassette holder high-voltage connection contact pin stretches in wire connection cavity, as high pressure heart yearn joint;
Described kind of low-pressure connector comprises low pressure metal seat and low pressure conducting contact pin, low pressure metal seat has low pressure conducting contact pin mounting hole, multiple low pressure conducting contact pin horizontal direction is set in parallel in corresponding low pressure conducting contact pin mounting hole, low pressure conducting contact pin is identical with low tension terminal quantity; The head end of each low pressure conducting contact pin is stretched out low pressure conducting contact pin mounting hole and is arranged, as low pressure conducting contact, low pressure conducting contact can relatively low pressure metal pedestal move forward and backward in the horizontal direction, low pressure conducting contact and low compression bonded line interface position one_to_one corresponding, the afterbody end of low pressure conducting contact pin is connected with low pressure checkout equipment; Low pressure metal seat has threaded hole, and the other end of screw mandrel is arranged in threaded hole, and stepper motor is moved forward and backward by screw mandrel energize low-pressure wiring part metal pedestal;
Described high voltage connections comprises high-pressure metal seat and high voltage conduction post, high-pressure metal seat has high voltage conduction post mounting hole, multiple high voltage conduction post horizontal direction is set in parallel in corresponding high voltage conduction post mounting hole, high voltage conduction post is identical with high-voltage connection contact pin quantity; One end of each high voltage conduction post is connected with high-voltage detecting device, and the other end is built in high-pressure metal seat, forms the high voltage conduction interface of recess, high voltage conduction interface and high-voltage connection contact position one_to_one corresponding;
Described kind of low-pressure connector is fixedly connected with by connecting rod with high voltage connections, connecting rod is arranged through the metal case of high pressure cassette holder, and be slidably matched with metal case, stepper motor is by screw mandrel energize low-pressure web member and high voltage connections relatively high pressure cassette holder synchronizing moving.
2. a kind of high voltage multipole multimode switching device shifter as claimed in claim 1, it is characterized in that: relative two inwalls of described metal case are respectively arranged with low tension terminal holder and high-voltage connection contact pin holder, low tension terminal holder is used for fixing low tension terminal, and high-voltage connection contact pin holder is used for fixing.
3. a kind of high voltage multipole multimode switching device shifter as claimed in claim 1, it is characterized in that: described high-voltage connection contact pin is sleeve structure, its outer tube is fixedly installed in metal case, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively; Described low pressure conducting contact pin is sleeve structure, and its outer tube is fixedly installed in low pressure metal seat, and inner core is connected by spring with outer tube, and inner core can outer tube be elastic relatively.
4. a kind of high voltage multipole multimode switching device shifter as claimed in claim 1, is characterized in that: described metal case outer wrapping insulating material.
5. a kind of high voltage multipole multimode switching device shifter as claimed in claim 1, is characterized in that: described connecting rod outer wall wrap insulate material.
6. a kind of high voltage multipole multimode switching device shifter as claimed in claim 1, is characterized in that: described sleeve pipe lead connecting seat establishes shielded metal shell, and this metal shell is communicated with metal case, forms short circuit.
7. a kind of high voltage multipole multimode switching device shifter as claimed in claim 6, is characterized in that: the multi-electrode outer wrapping insulating material of described sleeve pipe lead connecting seat, and is fixedly installed in the metal shell of sleeve pipe lead connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508613.1U CN204065164U (en) | 2014-09-04 | 2014-09-04 | A kind of high voltage multipole multimode switching device shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508613.1U CN204065164U (en) | 2014-09-04 | 2014-09-04 | A kind of high voltage multipole multimode switching device shifter |
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| Publication Number | Publication Date |
|---|---|
| CN204065164U true CN204065164U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420508613.1U Expired - Lifetime CN204065164U (en) | 2014-09-04 | 2014-09-04 | A kind of high voltage multipole multimode switching device shifter |
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| CN (1) | CN204065164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208359A (en) * | 2016-09-08 | 2016-12-07 | 山东省科学院海洋仪器仪表研究所 | Double loop power supply socket apparatus for fast switching |
| CN109597000A (en) * | 2019-01-25 | 2019-04-09 | 河源湧嘉实业有限公司 | Test method, test equipment and test fixture |
-
2014
- 2014-09-04 CN CN201420508613.1U patent/CN204065164U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208359A (en) * | 2016-09-08 | 2016-12-07 | 山东省科学院海洋仪器仪表研究所 | Double loop power supply socket apparatus for fast switching |
| CN106208359B (en) * | 2016-09-08 | 2018-08-14 | 山东省科学院海洋仪器仪表研究所 | Double loop power supply socket apparatus for fast switching |
| CN109597000A (en) * | 2019-01-25 | 2019-04-09 | 河源湧嘉实业有限公司 | Test method, test equipment and test fixture |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |