CN201266742Y - Safer active anti-electrical-shock protection power socket - Google Patents
Safer active anti-electrical-shock protection power socket Download PDFInfo
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- CN201266742Y CN201266742Y CNU2008201472071U CN200820147207U CN201266742Y CN 201266742 Y CN201266742 Y CN 201266742Y CN U2008201472071 U CNU2008201472071 U CN U2008201472071U CN 200820147207 U CN200820147207 U CN 200820147207U CN 201266742 Y CN201266742 Y CN 201266742Y
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- 239000012634 fragment Substances 0.000 claims description 26
- 206010014405 Electrocution Diseases 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 13
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000738583 Senna artemisioides Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a safer initiative protection against electric shock power socket, comprising a shell and a power output plug bush, wherein, the power output plug bush is arranged in the shell and includes a live wire plug bush and a zero line plug bush. A corresponding live wire jack and a zero line jack are cut on the surface of the shell. The socket also comprises a normally open contact and a third switch component linked with the bottom surface of an inserted power socket. The third switch component comprises a third switch used for directly or indirectly controlling the power plug bush to be powered on or powered off. The third switch is installed in the shell. The power socket does not cause electric shock of the human body no matter when non-standard power plugs such as a metal bar, and the like are inserted into one or both of the live wire jack and the zero line jack, the power socket can only be electrified on condition of a standard power plug inserted to the bottom, thus dramatically improving the safety of the socket.
Description
[technical field]
The utility model relates to a kind of structure of supply socket.
[background technology]
Traditional power supply changeover device or supply socket; be used to provide multi-group power output; generally do not have the electrical shock protection safety function; when supply socket is in "on" position; and when having certain group output plughole vacant; and the children of the unknown affairs of human life tend to take place electric shock accidents when inserting the metal object in the hand in the receptacle sockets.Though have a series products to have electroshock-proof function, must allow the people get an electric shock after, could disconnect human body is shielded because shock current is comparatively powerful, may still be difficult to avoid coming to harm this moment for children.Other has a series products for realizing the electrocution-proof protection function, in supply socket, install mechanical safety protection gate additional, the easy damage of shutter is not said, the less metal bar of diameter also inserts when not opening shutter easily, more fearful is the curiosity that also causes children easily, easier initiation electric shock accidents so the class device not only can not protection against electric shock, also may cause electric shock accidents; The 3rd class similar products have certain electrocution-proof protection function, but only limit to the one pole electrocution-proof protection.
[summary of the invention]
Main purpose of the present utility model is: propose safer reliable electrocution-proof protection safety socket.
For achieving the above object, the utility model proposes a kind of safer active electrocution-proof protection supply socket, comprise housing, power supply output sleeve; Described power supply output sleeve is arranged in the described housing, comprises live wire sleeve, zero line sleeve; Described surface of shell offers corresponding firewire jack, zero line jack; Also comprise the contact often open, with the 3rd switch module of the supply socket bottom surface interlock of inserting; Described the 3rd switch module comprises and is used for directly or indirectly controlling the 3rd switch that described power supply sleeve powers on or cuts off the power supply that the 3rd switch is installed in the described housing.
Above-mentioned supply socket, described the 3rd switch module also comprises the 3rd switch push rod and the 3rd return unit, described the 3rd switch is a key switch; Described housing offers a through hole, and described the 3rd switch push rod places in this through hole, and the one end is positioned at this through hole, or protrudes in described surface of shell, and the other end connects by the button of described the 3rd return unit and described the 3rd switch.
Above-mentioned supply socket is characterized in that: also comprise electric-controlled switch, be installed in the described housing; The contact of this electric-controlled switch is connected in series in live wire or the zero line, or the contact of this electric-controlled switch is connected in series in respectively in live wire and the zero line; The coil of this electric-controlled switch and described the 3rd switch are in series.
Above-mentioned supply socket, also comprise the contact often open, with first switch module and the second switch assembly of the plug slice interlock of inserting, described first switch module comprises first switch, described second switch assembly comprises second switch; Described first switch, second switch, the 3rd switch are connected in series, and are installed in the described housing.
Above-mentioned supply socket, described first switch module or second switch assembly also comprise jack block and block return unit, described jack block hides and is located in described firewire jack or the zero line jack, and joins with described block return unit; Described block return unit one end and described housing directly or indirectly join; Described jack block directly or indirectly links with described first switch or second switch.
Above-mentioned supply socket, described first switch module also comprises first slide block and first return unit; Described first slide block, one end and described block return unit join, and the other end and described first return unit join, and this first return unit, one end is fixed in the described housing; Described first slide block has one and is used under stress end face or the end that button or shell fragment with described first switch connect and push.
Or above-mentioned supply socket, described first switch module also comprises first slide block and first return unit; Described first slide block, one end and described block return unit join, and the other end and described first return unit join, and this first return unit, one end is fixed in the described housing; Described first slide block has one and is used under stress end face or the end that contact or shell fragment with described first switch connect, one of them contact or the shell fragment of described first switch are arranged at this end face or end surface, and be relative with another contact or the shell fragment of described first switch.
Or above-mentioned supply socket, described first switch module also comprises first slide block, first return unit and the first contact part; Described jack block one end can reset by described block return unit and be articulated in the described housing; Described one of them switch contact of first switch is arranged at part surface, described first contact, and is relative with another switch contact of described first switch; Described first slide block, one end and described first return unit join, the affixed described first contact part of this first return unit other end; Described first slide block has one and is used for the end face or the end that pushed by described jack block.
Or above-mentioned supply socket, described first switch module also comprises the first switch push rod; The described first switch push rod, one end and described jack block are affixed, and one of them contact of described first switch or shell fragment are arranged at the described first switch push rod other end, and be relative with another contact or the shell fragment of described first switch.
Above-mentioned supply socket, described second switch assembly also comprises second slide block and second return unit; Described second slide block, one end and jack block return unit join, and the other end and described second return unit join, and this second return unit, one end is fixed in the described housing; Described second slide block has one and is used under stress end face or the end that button or shell fragment with described second switch connect.
Above-mentioned supply socket, described second switch assembly also comprises second slide block and second return unit; Described second slide block, one end and jack block return unit join, and the other end and described second return unit join, and this second return unit, one end is fixed in the described housing; Described second slide block has one and is used under stress end face or the end that contact or shell fragment with described second switch connect, one of them contact of described second switch or shell fragment are provided with its this end face or end surface, and be relative with another contact or the shell fragment of described second switch.
Supply socket of the present utility model, no matter be firewire jack, zero line jack separately insertion or firewire jack, when zero line jack inserts nonstandard power supply plugs such as metal bar simultaneously, socket all can not cause the human electric shock; Must be when supply socket has attaching plug to be inserted into the 3rd switch that open at the end and the attaching plug bottom links, socket could be switched on, can avoid children's mistake metal objects such as metal bar insertion receptacle sockets electrode to be caused the accident of getting an electric shock, the potential safety hazard of stopping to exist in the prior art products, thus the fail safe of this supply socket is improved significantly.
Further, supply socket of the present utility model, also be provided with respectively first switch and second switch with the attaching plug inserted sheet interlock of inserting jack, therefore must be inserted with reference power supply plug and attaching plug at zero line jack, the firewire jack of supply socket simultaneously and be inserted into the end when opening the 3rd switch that links with the attaching plug bottom, socket could be switched on, thereby the fail safe of this supply socket is further improved significantly.
In the structure of the present utility model, three switches setting up are connected in series, and it causes the probability connected simultaneously very low because of accident, has guaranteed the safe and reliable of the utility model supply socket.
[description of drawings]
Fig. 1 is the circuit theory diagrams of the utility model embodiment one to four;
Fig. 1-1, Fig. 1-2, Fig. 1-3, Fig. 1-4 and Fig. 1-the 5th, each partial structurtes figure of the utility model embodiment one;
Fig. 2-1, Fig. 2-2, Fig. 2-3, Fig. 2-4 and Fig. 2-the 5th, each partial structurtes figure of the utility model embodiment two;
Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4 and Fig. 3-the 5th, each partial structurtes figure of the utility model embodiment three;
Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4 and Fig. 4-the 5th, each partial structurtes figure of the utility model embodiment four;
Fig. 5 is the circuit theory diagrams of the utility model embodiment five.
Fig. 6 is the circuit theory diagrams of the utility model embodiment six.
[embodiment]
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one
Please refer to shown in Figure 1, be these routine circuit theory diagrams, first K switch 1, second switch K2 are installed in the firewire jack of socket, the rear side of zero line jack, the 3rd K switch 3 is installed in the space between firewire jack and the zero line jack, and first K switch 1 is in series with second switch K2, the contact of the 3rd K switch 3 and the coil of electric-controlled switch; The contact J1 and the J2 of electric-controlled switch are serially connected with zero line and live wire respectively.
The supply socket that this is routine, mechanical structure comprise housing, are mounted on the power supply output sleeve on the case panel more, and every group of power supply output sleeve includes a live wire sleeve 11, a zero line sleeve 21 and ground connection sleeve 31; The relevant position of case panel is provided with firewire jack, zero line jack and earth jack.
Mechanical structure that this is routine and operation principle comprise first K switch 1, jack block 12, block return unit 13, first slide block 14 and first return unit, 15 compositions, first switch module please in conjunction with shown in Fig. 1-1, Fig. 1-2, Fig. 1-3, Fig. 1-4 and Fig. 1-5; Jack block 12 on the firewire jack, by block return unit 13 and first slide block, 14 butts, first slide block 14 connects with first return unit 15 that is fixedly arranged in the housing 1; First slide block is provided with an outstanding end, and is relative with the button of first K switch 1; When plug slice or other metal objects insertion live wire sleeve 11, jack block 12 is pushed, and promotes first slide block, 14, the first slide blocks, 14 end butts by block return unit 13 and pushes the button of first K switch 1, makes first K switch, 1 closure; But because second switch K2, the 3rd K switch 3 are not closed, electric-controlled switch J no power, J1, J2 discharge, the receptacle sockets no power.When plug slice or other metal objects were drawn out of, first slide block 14 and jack block 12 resetted by the elastic acting force of block return unit 13, first return unit 15, removed the pushing of the button of first K switch 1, and first K switch 1 disconnects.
In like manner, comprise second switch K1, second slide block and second return unit composition second switch assembly; Jack block on the zero line jack, by the block return unit and the second slide block butt, second slide block connects with second return unit that is fixedly arranged in the housing 1; Second slide block is provided with an outstanding end, and is relative with the button of second switch K2; When plug slice or other metal objects insertion zero line sleeve, the jack block is pushed, and promotes second slide block by the block return unit, and the second slide block end butt is pushed the button of second switch K2, makes second switch K2 closure; But because first K switch 1, the 3rd K switch 3 are not closed, electric-controlled switch J no power, J1, J2 discharge, the receptacle sockets no power.When plug slice or other metal objects were drawn out of, second slide block and jack block resetted by the elastic acting force of block return unit, second return unit, removed the pushing of the button of second switch K2, and second switch K2 disconnects.
The 3rd switch module comprises the 3rd switch push rod 32, the 3rd return unit 33 and the 3rd K switch 3; The 3rd switch push rod 32 is installed on the housing 1 by the 3rd return unit 33, and part is arranged in the through hole of offering on the panel of housing 1, and one end is concordant with the panel surface of housing 1, and the other end is relative with the button of the 3rd K switch 3.In order to promote the 3rd switch push rod 32, with the supporting attaching plug of this routine supply socket, its bottom surface correspondence position is provided with a boss 41; Perhaps design the annex that has boss 41 4 as Figure 1-3, be used to stick in the correspondence position of attaching plug.When attaching plug was inserted into the end, these boss 41 promotions the 3rd switch push rod 32, the three switch push rods 32 butt were again pushed the button of the 3rd K switch 3, make the 3rd K switch 3 closures; Also interlock is and closed under the effect of attaching plug inserted sheet for first K switch 1, second switch K2 simultaneously, and power supply output sleeve powers on, could operate as normal.
Above-mentioned first K switch 1, second switch K2 and the 3rd K switch 3 adopt the key switch of often opening, and block return unit 13, first return unit 15, second return unit and the 3rd return unit 33 etc. adopt spring.
If when having child to remove zero insertion line jack, firewire jack simultaneously with two small punties, first K switch 1, two switches of second switch K2 are closure simultaneously, but does not press down owing to the 3rd switch push rod 13 is stressed, and the 3rd K switch 3 is not closed, electric-controlled switch J still can not adhesive, and supply socket is no power still; Have only when being inserted into the end with the reference power supply plug insertion socket and with plug, first K switch 1, second switch K2, the 3rd K switch 3 are connected simultaneously, the coil electricity of electric-controlled switch J, and its contact J1, J2 adhesive, socket could be switched on.
So no matter this routine supply socket is that firewire jack, zero line jack are when insertion or firewire jack, zero line jack insert nonstandard power supply plug such as metal bar simultaneously separately, socket all can not cause the human electric shock, must be inserted with reference power supply plug and attaching plug at zero line jack, the firewire jack of socket simultaneously when being inserted into the end, socket is just switched on, can avoid children metal objects such as metal bar insertion receptacle sockets electrode to be caused the accident of getting an electric shock by mistake, thereby the fail safe that prevents error shock of this routine supply socket is improved significantly.
Embodiment two
Please refer to shown in Fig. 2-1, Fig. 2-2, Fig. 2-3, Fig. 2-4 and Fig. 2-5, this example mainly is with the difference of embodiment one: the 3rd switch push rod 32 among the embodiment one is highly increased, make the 3rd switch push rod 32 exceed the panel surface of housing 1.Like this, when attaching plug was inserted into the end, its bottom surface butt was pushed the 3rd switch push rod 32, promoted the button of the 3rd K switch 3, made the 3rd K switch 3 closures.In addition, in this example, one of them contact of first K switch 1 or shell fragment 101 directly are arranged at the end surface that first slide block 14 is given prominence in first switch module, and be relative with another contact or shell fragment 102; When first slip 14 was pushed, the contact of first K switch 1 was directly closed.In like manner, the second switch assembly also adopts same structure.
Embodiment three
In this example, mainly be: the structure of jack block, first switch module and second switch assembly is slightly different with the foregoing description.Please refer to shown in Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4 and Fig. 3-5, jack block 12 is a goods of furniture for display rather than for use structure, and it is installed on the rotating shaft 10 in the housing 1 by reduction torsion spring.First switch module comprises first slide block 14, first return unit 15, the first contact part 16 and first K switch 1, first slide block, 14 1 ends and first return unit 15 join, the other end of first return unit 15 and the first contact part 16 join, one of them contact of first K switch 1 or shell fragment 101 are arranged at the surface of the first contact part 16, and be relative with another contact or the shell fragment 102 of first K switch 1.When the inserted sheet of attaching plug inserts live wire sleeve 11, promoting jack block 12 spends to lower swing 90 around rotating shaft 10, jack block 12 promotes first slide block 14 and laterally moves, and promotes the first contact part 16 by first return unit 15, makes two contact contact conductings of first K switch 1.In this example, also can omit one of them contact of the first contact part, 16, the first K switch 1 or the end that shell fragment 101 directly is arranged at first return unit 15.In like manner, the structure of second switch assembly is identical with first switch module.
Embodiment four
This example is with above-mentioned each routine main difference part: the structure of first switch module, second switch assembly is different.Please in conjunction with shown in Fig. 4-1, Fig. 4-2, Fig. 4-3, Fig. 4-4 and Fig. 4-5, first switch module comprises first K switch 1 and the first switch push rod 121, the jack block 12 of the first switch push rod, 121 1 ends and firewire jack is affixed, one of them contact of first K switch 1 or shell fragment 101 directly are arranged at the first switch push rod, 121 other end ends, and be relative with another contact or the shell fragment 102 of first K switch 1.In like manner, the second switch assembly comprises second switch K2 and second switch push rod 221, the jack block 22 of second switch push rod 221 1 ends and zero line jack is affixed, one of them contact of second switch K2 or shell fragment 201 directly are arranged at second switch push rod 221 other end ends, and be relative with another contact or the shell fragment 202 of second switch K2.In this example, the first switch push rod 121, second switch push rod 221 connect as one, and form a π shape structure; Also can be independent separately, do not do as a whole.So, when two jack blocks are pushed, drive the first switch push rod 121 and second switch push rod 221, make the contact of first K switch 1 and second switch K2 contact conducting simultaneously.
Embodiment five
Please refer to circuit theory diagrams shown in Figure 5, the supply socket that this is routine, the mechanism structure and the embodiment one of first switch module, the 3rd switch module and the 3rd switch module are basic identical, and this example mainly is with the difference of embodiment one: first K switch 1, second switch K2, the 3rd K switch 3 are used the switch of energy bearing great current; Do not adopt electric-controlled switch J, when first K switch 1, second switch K2 and 3 conductings simultaneously of the 3rd K switch, the power supply output plughole of supply socket powers on.This embodiment can guarantee that in the place that electric power system zero line, live wire strictness are installed by the cloth line standard electroshock-proof function is effective.
Embodiment six
First switch module and second switch assembly adopt comparatively simple mechanical structure, and first switch module comprises first switch, jack block, block return unit; The jack block hides and is located in the jack, the block return unit is connected with the jack block, block return unit one end is fixed in housing, it is corresponding with the button of first switch that the jack block has an end, when the jack block is promoted by the inserted sheet of attaching plug, the end pressing keys of jack block is opened first switch.In like manner, the structure of second switch assembly is identical.
Embodiment seven
Please refer to Fig. 1 or structural principle shown in Figure 2, can be with first K switch 1 among Fig. 1, second switch K2 cancellation, the 3rd K switch 3 only is installed, electrical schematic diagram as shown in Figure 6, when K3 during not by butt electric-controlled switch J1, J2 be in release condition, power supply output sleeve ZC does not have electricity output, can realize same electroshock-proof function yet.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.The for example variation of the installation site of each back-moving spring, shape can be different from the various embodiments described above; Each switch can also use a plurality of back-moving springs, is used to guarantee the reliability that resets.
Claims (10)
1. safer active electrocution-proof protection supply socket comprises housing, power supply output sleeve; Described power supply output sleeve is arranged in the described housing, comprises live wire sleeve, zero line sleeve; Described surface of shell offers corresponding firewire jack, zero line jack; It is characterized in that: also comprise the contact often open, with the 3rd switch module of the supply socket bottom surface interlock of inserting; Described the 3rd switch module comprises and is used for directly or indirectly controlling the 3rd switch that described power supply sleeve powers on or cuts off the power supply that the 3rd switch is installed in the described housing.
2. supply socket as claimed in claim 1 is characterized in that: described the 3rd switch module also comprises the 3rd switch push rod and the 3rd return unit, and described the 3rd switch is a key switch; Described housing offers a through hole, and described the 3rd switch push rod places in this through hole, and the one end is positioned at this through hole, or protrudes in described surface of shell, and the other end connects by the button of described the 3rd return unit and described the 3rd switch.
3. supply socket as claimed in claim 1 is characterized in that: also comprise electric-controlled switch, be installed in the described housing; The contact of this electric-controlled switch is connected in series in live wire or the zero line, or the contact of this electric-controlled switch is connected in series in respectively in live wire and the zero line; The coil of this electric-controlled switch and described the 3rd switch are in series.
4. as each described supply socket among the claim 1-3, it is characterized in that: also comprise the contact often open, with first switch module and the second switch assembly of the plug slice interlock of inserting, described first switch module comprises first switch, and described second switch assembly comprises second switch; Described first switch, second switch, the 3rd switch are connected in series, and are installed in the described housing.
5. supply socket as claimed in claim 4, it is characterized in that: described first switch module or second switch assembly also comprise jack block and block return unit, described jack block hides and is located in described firewire jack or the zero line jack, and joins with described block return unit; Described block return unit one end and described housing directly or indirectly join; Described jack block directly or indirectly links with described first switch or second switch.
6. supply socket as claimed in claim 5 is characterized in that: described first switch module also comprises first slide block and first return unit; Described first slide block, one end and described block return unit join, and the other end and described first return unit join, and this first return unit, one end is fixed in the described housing; Described first slide block has one and is used under stress end face or the end that button or shell fragment with described first switch connect and push.
7. supply socket as claimed in claim 5 is characterized in that: described first switch module also comprises first slide block and first return unit; Described first slide block, one end and described block return unit join, and the other end and described first return unit join, and this first return unit, one end is fixed in the described housing; Described first slide block has one and is used under stress end face or the end that contact or shell fragment with described first switch connect, one of them contact or the shell fragment of described first switch are arranged at this end face or end surface, and be relative with another contact or the shell fragment of described first switch.
8. supply socket as claimed in claim 5 is characterized in that: described first switch module also comprises first slide block, first return unit and the first contact part; Described jack block one end can reset by described block return unit and be articulated in the described housing; Described one of them switch contact of first switch is arranged at part surface, described first contact, and is relative with another switch contact of described first switch; Described first slide block, one end and described first return unit join, the affixed described first contact part of this first return unit other end; Described first slide block has one and is used for the end face or the end that pushed by described jack block.
9. supply socket as claimed in claim 5 is characterized in that: described first switch module also comprises the first switch push rod; The described first switch push rod, one end and described jack block are affixed, and one of them contact of described first switch or shell fragment are arranged at the described first switch push rod other end, and be relative with another contact or the shell fragment of described first switch.
10. supply socket as claimed in claim 5 is characterized in that: described second switch assembly also comprises second slide block and second return unit; Described second slide block, one end and jack block return unit join, and the other end and described second return unit join, and this second return unit, one end is fixed in the described housing; Described second slide block has one and is used under stress end face or the end that button or shell fragment with described second switch connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201472071U CN201266742Y (en) | 2008-09-01 | 2008-09-01 | Safer active anti-electrical-shock protection power socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201472071U CN201266742Y (en) | 2008-09-01 | 2008-09-01 | Safer active anti-electrical-shock protection power socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266742Y true CN201266742Y (en) | 2009-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201472071U Expired - Fee Related CN201266742Y (en) | 2008-09-01 | 2008-09-01 | Safer active anti-electrical-shock protection power socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266742Y (en) |
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| CN112993683A (en) * | 2015-12-30 | 2021-06-18 | 豪倍公司 | Power jack with availability notification |
| CN107732556A (en) * | 2017-09-27 | 2018-02-23 | 深圳市安居物联网科技有限公司 | Waterproof socket |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lanwei Electronic Co. Ltd., Shenzhen City Assignor: Huang Jianxin Contract record no.: 2010440020232 Denomination of utility model: Safer active anti-electrical-shock protection power socket Granted publication date: 20090701 License type: Exclusive License Record date: 20101216 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20130901 |