CN2655230Y - Chemical reactor for multi-element automatic chemical analyzer - Google Patents
Chemical reactor for multi-element automatic chemical analyzer Download PDFInfo
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- CN2655230Y CN2655230Y CN 200320107286 CN200320107286U CN2655230Y CN 2655230 Y CN2655230 Y CN 2655230Y CN 200320107286 CN200320107286 CN 200320107286 CN 200320107286 U CN200320107286 U CN 200320107286U CN 2655230 Y CN2655230 Y CN 2655230Y
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- bottle
- cup
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- meter
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Abstract
The utility model relates to a chemical reaction device of a multi-element automatic chemical analyzer; body of a measurement device is connected with a transfusion tube, a gas inlet tube and a drain tube; the transfusion tube, the gas inlet tube and the drain tube are opposite to each other and alternate with each other; a float is arranged inside the transfusion tube; a bottle stopper is positioned at mouth part of bottle body of a displacement restrictor and a liquid inlet tube is connected in from bottom of the body; upper end of the float inside the bottle body extends out of the bottom body and connected with a cover board with two contacts and a pair of electrodes aligned with the two contacts are positioned on upper part of the cover board; a fluid distribution tube goes through a fluid distribution funnel of a fluid distribution device; a stop valve type water outlet is arranged at the outlet; a nozzle is connected at upper wall of the bottle body of a meter regulator and a fluid adding tube and the gas inlet tube and the fluid distribution device are arranged at side wall of the meter regulator; the transfusion tube and an array of vent-pipes are arranged on bottle body of the reactor; a cleaning tube with ring-shaped front end and through-holes at bottom extends into the bottle body and the drain tube extends in at bottom part of the bottle body form side wall of bottle body. The utility model has the advantages of having simple structure, reliable work performance, short reaction time and long service life.
Description
Technical field
The utility model relates to the chemical reaction equipment of chemical analyzer in the chemical analysis field, and specifically a kind of is chemical reaction equipment in the chemical analysis analyser of principle with the Beer law.
Background technology
Existing a kind of be the chemical analysis analyser of principle with the Beer law, its chemical reaction equipment includes air pump, reagent bottle, meter, stop, liquid distributing device, reactor, cuvette, cleaning water supply installation and tapping device.This chemical reaction equipment is comparatively accurate when separatory, liquid feeding, and cleans also more conveniently, but its included meter, stop, liquid distributing device, reactor structurally all come with some shortcomings.That summarizes says, the deficiency that above-mentioned chemical reaction equipment exists is: the woven hose in (1), the meter joins by solenoid valve and reagent bottle, enter amount of reagent in the meter by solenoid control, its complex structure, and the phenomenon of the gas leakage that causes bad sealing appears and in solenoid valve easily.(2), stop is after touching acid solution by a pair of contact pilotage, electric conductivity by acid solution makes the relay power that joins with a pair of contact pilotage, and then close by the solenoid valve outage that relay will be controlled the meter liquid feeding, make the reagent in the reagent bottle stop in meter, to import.This stop in use for some time, contact pilotage can be corroded, and causes conduction bad therefrom, perhaps, when the acidity of acid solution reduces, also has the bad phenomenon of conduction, the bad meeting of conducting electricity causes controlling malfunctioning.(3), in the liquid distributing device, join by solenoid valve between separating funnel and batcher, structure is complicated.(4), reactor and cuvette be two parts separately, complex structure, the cost height, analysis time is longer, reliability is on the low side.
The utility model content
The purpose of this utility model is to provide a kind of multielement automatic chemical analyzer chemical reaction equipment, this chemical reaction equipment reliability height, and the reaction time is short, long service life.
For achieving the above object, the utility model is improved meter, stop, liquid distributing device, the reactor in the existing chemical analyzer chemical reaction equipment, specifically adopts following scheme:
Multielement automatic chemical analyzer chemical reaction equipment, include air pump, reagent bottle, meter, stop, liquid distributing device, reactor, clean water supply installation and tapping device, liquid distributing device includes a knockout and certain measuring device, reactor, reagent bottle, meter is a group more than two, the batcher of liquid distributing device and the washer bottle of cleaning device communicate with each reactor, reagent bottle communicates with meter is corresponding one by one, one reagent bottle communicates with the stop stop, each meter communicates with pairing reactor respectively, air pump is by each solenoid valve and reagent bottle, meter, batcher and washer bottle are joined, and the bleeder valve and the reactor of tapping device join.
Meter includes body, woven hose, draft tube, discharging tube, woven hose feeds its inner chamber from the bottom of body, draft tube, discharging tube feeds its inner chamber from the top of body, draft tube is aimed at woven hose and is spaced apart, and the former internal diameter is greater than the latter, be provided with the float of a hollow clearance fit with it in the draft tube, on draft tube, have two through holes, through hole is to the distance of the woven hose upper end height greater than float, be connected to the adapter that is communicated with the two in the outside of draft tube and body, be provided with retaining valve on taking over, the conducting direction of retaining valve is to draft tube from body.
Stop includes the bottle, bottle stopper of an open topped, hollow float and feed tube, the bottom that feed tube is connected on bottle communicates with its inner chamber, the bottle stopper shutoff is at the oral area of bottle, float is positioned at bottle, the through hole that passes the bottle stopper middle part on the float stretches out outside the bottle and is connected with a cover plate, the upper surface of cover plate is provided with two contacts that join, the top of cover plate be provided with a pair of respectively with the electrode of two contact alignments.
The knockout of liquid distributing device includes a separating funnel, the neck of separating funnel is installed with one section separating tube that communicates with its inner chamber, be connected to a stop valve formula water nozzle in the exit of separating funnel, the batcher of liquid distributing device has a cup with roof, be provided with the adapter that communicates with its inner chamber more than two on the roof of cup, on the sidewall of cup, be connected to the liquid-feeding tube and the draft tube that communicate with its inner chamber.
Reactor has a cup with roof, be provided with a woven hose and a gas outlet that communicates with its inner chamber more than two on the roof of cup, one purge pipe is stretched in it from the sidewall of cup, purge pipe be positioned at cup part be ring pipe, bottom side at this ring pipe is evenly equipped with through hole, and a discharging tube stretches to the bottom of cup from the side-walls of cup.
By such scheme as seen, in the utility model, for meter, when filling up reagent in the body of meter, float can on float in the draft tube, then, in the starting stage of draft tube air inlet, float moves down in draft tube, and the reagent in the meter returns in reagent bottle by woven hose, when float move to woven hose against the time, the mouth of pipe of woven hose is sealed, the reagent of depositing is the required dosage of reaction in the body, and after this, institute's reagent of depositing is then arranged to reactor by discharging tube in the body.This meter has been simplified the structure of meter by the dosage of float control to the reactor delivery of therapeutic agents, and precise control.For stop, after the amount of reagent in its bottle reaches desired amount, rising by float, two contacts that join of cover plate upper surface are contacted with electrode, two electrodes are joined, therefore two electrodes join only relevantly with the height of reagent liquid level, whether well have nothing to do with the electric conductivity of reagent, so just can come the break-make of control electrode by the amount of reagent in the bottle, control is accurately reliable.For liquid distributing device, separating funnel joins by stop valve formula water nozzle and batcher, simplify the structure and control mode, and when adding sample liquid in separating funnel, unnecessary sample liquid can be discharged from separating tube, makes institute's application of sample liquid quantitatively accurate.For reactor, its structure makes that its collection reactor and cuvette are one, so promptly simplifies the structure, and has shortened analysis time greatly again.Therefore the utlity model has simple in structure, each several part reliable working performance, the reaction time is short, the characteristics of long service life.
Description of drawings
The fundamental diagram of Fig. 1 the utility model one embodiment;
One example structure figure of Fig. 2 the utility model meter;
The I portion enlarged drawing of Fig. 3 Fig. 2;
One example structure figure of Fig. 4 the utility model stop;
An example structure figure of knockout in Fig. 5 the utility model liquid distributing device;
An example structure figure of batcher in Fig. 6 the utility model liquid distributing device;
The left view of Fig. 7 Fig. 6;
The vertical view of Fig. 8 Fig. 6;
One example structure figure of Fig. 9 the utility model reactor;
The left view of Figure 10 Fig. 9;
The A-A cut-open view of Figure 11 Fig. 9.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing.
Referring to Fig. 1, the utility model includes air pump 1, reagent bottle 2, meter 4, stop 3, liquid distributing device, reactor 7, cleans water supply installation and tapping device.Liquid distributing device includes a knockout 6 and certain measuring device 5.Clean water supply installation and include water storage bottle 10 and washer bottle 8, the two joins by retaining valve 9, and the tapping device includes waste water bottle 11, vacuum pump 41 and each bleeder valve F
1～F
74 equal seven one group of reactor 7, meter, reagent bottle 2 is an octet, batcher 5 and washer bottle 8 communicate with each reactor 7, reagent bottle 2 communicates with meter 4 is corresponding one by one, an other reagent bottle 2 communicates with stop 3, each meter 4 communicates with pairing reactor 7 respectively, and air pump 1 is by solenoid valve F
9Join, pass through solenoid valve F with each reagent bottle 2
10, F
11, F
13Join, pass through solenoid valve F with each meter 4
8Join, pass through solenoid valve F with washer bottle 8
12Join, pass through solenoid valve F with batcher 5
14Join with each reactor 7.The discharging tube of each reactor 7 respectively with bleeder valve F
1～F
7Join each bleeder valve F
1～F
7The discharging tube that is connect stretches in the waste water bottle 11, and vacuum pump 41 joins with waste water bottle 11.In the utility model except that meter, stop, liquid distributing device, reactor, miscellaneous part all with existing analyser in identical.Principle of work of the present utility model also with existing analyser in identical: in knockout 6, add sample liquid, sample liquid enters into batcher 5, pressurization by air pump 1, sample liquid in the batcher 5 is assigned in each reactor 7 accurately, simultaneously, the reagent in the reagent bottle 2 also joins in the reactor by meter 4, is formed with tinctorial pattern liquid in reactor 7, colorimetric device by using Beer law in the analyser can draw the content of tested element to tinctorial pattern liquor ratio look is arranged in the reactor 7 then.After analysis is finished, depress in adding of air pump 1, the cleaning fluid in the water storage bottle 10 enters in the reactor 7 through retaining valve 9 and washer bottle 8, to cleaning in it, after cleaning is finished, starts vacuum pump 41, opens each bleeder valve F
1～F
7, the waste liquid after cleaning in the reactor 7 is drained in the waste water bottle 11.
The structure of meter of the present utility model, stop, liquid distributing device, reactor is as follows:
Referring to Fig. 2, meter 4 includes body 14, woven hose 12, draft tube 17, discharging tube 13, woven hose 12 feeds its inner chamber from the bottom of body 14, draft tube 17, discharging tube 13 feed its inner chamber from the top of body 14, draft tube 17 aim at woven hose 12 and spaced apart and the former internal diameter greater than the latter, be provided with the float 19 of a hollow clearance fit with it in the draft tube 17, the material of float 19 is the plastics king.Have two through holes 18 on the draft tube 17, through hole 18 is to the distance of the woven hose 12 upper ends height greater than float 19.The outside of draft tube 17 and body 14 is connected to the adapter 15 that is communicated with the two, is provided with retaining valve 16 taking on 15, and the conducting direction of retaining valve 16 is from body 14 to draft tube 17.
By Fig. 2 and as seen in conjunction with Fig. 1, when reagent adds body 14 from woven hose 12, retaining valve 16 is opened, float 19 floats in the draft tube 17 on the rising of reagent liquid level, after reagent adds, draft tube 17 air inlets, retaining valve 16 is closed, in the starting stage of air inlet, float 19 moves down in draft tube 17, and the reagent in the body 14 return in reagent bottle 2 by woven hose 12, when float 19 move to woven hose 12 against the time, the mouth of pipe of woven hose 12 is sealed, institute's reagent of depositing is the required dosage of reactor 7 just in the body 14, subsequently, and by draft tube 17 continuous air inlets, air-flow enters in the body 14 through through hole 18, and reagent is pressed into to reactor 7 from discharging tube 13.This meter has been simplified the structure of meter by the dosage of float 19 controls to the reactor delivery of therapeutic agents, and precise control.
Referring to Fig. 3, retaining valve 16 comprises tubular valve body 16a and spool 16c, is provided with protruding 16b and annular retaining ring 16d in the valve body 16a.
Referring to Fig. 4, stop 3 includes the bottle 21, bottle stopper 27 of an open topped, hollow float 22 and feed tube 20, the bottom that feed tube 20 is connected on bottle 21 communicates with bottle 21 inner chambers, bottle stopper 27 shutoff are at the oral area of bottle 21, float 22 is positioned at bottle 21, float 22 upper ends pass that the through hole 27 at bottle stopper 27 middle parts ' stretch out bottle 21 is outer to be connected with a cover plate 26, and the material of float 22 is plastics.The upper surface of cover plate 26 is provided with 25, two contacts 25, two contacts that join and is connected by lead 24, and the top of cover plate 26 is provided with a pair of electrode of aiming at two contacts 25 respectively 23.Electrode 23 is fixed on the pole 28, and pole 28 is inserted on the bottle stopper 27 regularly and stretches in the bottle 21.
By Fig. 4 and as seen in conjunction with Fig. 1, after the amount of reagent in the bottle 21 reaches desired amount, rising by float 22, two contacts that join 25 of cover plate 26 upper surfaces are contacted with electrode 23, two electrodes 23 are connected, make a relay power that joins with pair of electrodes 23, and then make the solenoid valve F of 2 of air pump 1 and reagent bottles by relay
9Outage is closed, and reagent bottle 2 promptly stops to meter 4 delivery of therapeutic agents.Therefore whether the connection of electrode 23 is only relevant with the height of reagent liquid levels in the bottle 21, well irrelevant with the electric conductivity of reagent, the break-make that can come control electrode by the amount of reagent in the bottle 21 so just, and control is reliably accurate.In addition, connect, make solenoid valve F by relay by electrode 23
9The control mode of outage is a prior art, so do not illustrate extremely control circuit of relay among Fig. 1.
Referring to Fig. 5, the knockout 6 of liquid distributing device includes a separating funnel 30, and the neck of separating funnel 30 is installed with one section separating tube 29 that communicates with its inner chamber, is connected to a stop valve formula water nozzle 31 in the exit of separating funnel 29.When adding sample liquid in separating funnel 30, unnecessary sample liquid can be discharged from separating tube 29, makes institute's application of sample liquid quantitatively accurate.
Referring to Fig. 6, Fig. 7, Fig. 8, the batcher 5 of liquid distributing device has a cup 34 with roof, is being provided with the adapter 32 that communicates with its inner chamber more than two on the roof of cup 34, is connected to the liquid-feeding tube 33 and the draft tube 35 that communicate with its inner chamber on the sidewall of cup 34.Cup 34 bottoms of batcher 5 have a pit 34 '.Have one to be used for the plug-in mounting discharging tube in the adapter 32 on the cup 34, discharging tube be inserted in extend in the cup 34 pit 34 ' in, after the sample liquid in batcher 5 is imported in reactor and finished, the surplus liquid in the residual cup 34 is discharged by discharging tube.On the cup 34 other are respectively taken over 32 and are used for the woven hose that plug-in mounting and reactor are connected.
In conjunction with Fig. 5, Fig. 6, in use, the liquid-feeding tube 33 of batcher 5 joins with the outlet of the stop valve formula water nozzle 31 of knockout 6.
Referring to Fig. 9, Figure 10, Figure 11, reactor 7 has a cup 39 with roof, be provided with a woven hose 36 and a gas outlet 37 that communicates with its inner chamber more than two on the roof of cup 39, one purge pipe 38 is stretched in it from the sidewall of cup 39, purge pipe 38 be positioned at cup 39 part be ring pipe, on the bottom side of this ring pipe, be evenly equipped with through hole 38 ', through hole 38 ' tilt to the inwall of cup 39, a discharging tube 40 stretches to the bottom of cup 39 from the side-walls of cup 39.In addition, the bottom of the cup 39 of reactor 7 have a pit 39 ', discharging tube 40 extend pit 39 ' in.In conjunction with Fig. 1, woven hose 36 is used for connecting with batcher 5, and purge pipe 38 is used for connecting with washer bottle 8, and discharging tube 40 is used for joining with bleeder valve.After colorimetric is finished, during cleaning reaction device 7, enter cleaning fluid in the purge pipe 38, implement cleaning cup 39 by the through hole on it 38 ' can spray on the inwall of cup 39, clean finish after, the waste liquid discharge after will cleaning by discharging tube 40.
Claims (3)
1, multielement automatic chemical analyzer chemical reaction equipment, include air pump, reagent bottle, meter, stop, liquid distributing device, reactor, clean water supply installation and tapping device, liquid distributing device includes a knockout and certain measuring device, reactor, reagent bottle, meter is a group more than two, the batcher of liquid distributing device and the washer bottle of cleaning device communicate with each reactor, reagent bottle communicates with meter is corresponding one by one, one reagent bottle communicates with stop, each meter communicates with pairing reactor respectively, air pump is by each solenoid valve and reagent bottle, meter, batcher, reactor and washer bottle are joined, the bleeder valve and the reactor of tapping device join, and it is characterized in that:
A, meter includes body (14), woven hose (12), draft tube (17), discharging tube (13), woven hose (12) feeds its inner chamber from the bottom of body (14), draft tube (17), discharging tube (13) feeds its inner chamber from the top of body (14), draft tube (17) is aimed at woven hose (12) and is spaced apart, and the former internal diameter is greater than the latter, be provided with the float (19) of a hollow clearance fit with it in the draft tube (17), on draft tube (17), have two through holes (18), through hole (18) is to the distance of woven hose (12) the upper end height greater than float (19), be connected to the adapter (15) that is communicated with the two in the outside of draft tube (17) and body (14), be provided with retaining valve (16) in adapter (15), the conducting direction of retaining valve (16) is to draft tube (17) from body (14);
B, stop includes the bottle (21) of an open topped, bottle stopper (27), hollow float (22) and feed tube (20), the bottom that feed tube (20) is connected on bottle (21) communicates with its inner chamber, bottle stopper (27) shutoff is at the oral area of bottle (21), float (22) is positioned at bottle (21), the through hole (27 ') that passes bottle stopper (27) middle part on the float (22) stretches out outside the bottle (21) and is connected with a cover plate (26), the upper surface of cover plate (26) is provided with two contacts that join (25), and the top of cover plate (26) is provided with a pair of electrode of aiming at two contacts (25) respectively (23);
The knockout of c, liquid distributing device includes a separating funnel (30), the neck of separating funnel (30) is installed with one section separating tube that communicates with its inner chamber (29), be connected to a stop valve formula water nozzle (31) in the exit of separating funnel (30), the batcher of liquid distributing device has a cup (34) with roof, be provided with the adapter (32) that communicates with its inner chamber more than two on the roof of cup (34), on the sidewall of cup (34), be connected to the liquid-feeding tube (33) and the draft tube (35) that communicate with its inner chamber;
D, reactor have a cup (39) with roof, be provided with a woven hose (36) and a gas outlet (37) that communicates with its inner chamber more than two on the roof of cup (39), one purge pipe (38) is stretched in it from the sidepiece of cup (39), the part that purge pipe (38) is positioned at cup (39) is a ring pipe, be evenly equipped with through hole (38 ') in the bottom side of this ring pipe, a discharging tube (40) stretches to the bottom of cup (39) from the sidepiece of cup (39).
2, chemical analyzer chemical reaction equipment according to claim 1 is characterized in that: a pit (34 ') is arranged at the cup of batcher (34) bottom.
3, chemical analyzer chemical reaction equipment according to claim 1 is characterized in that: a pit (39 ') is arranged at the bottom of the cup of reactor (39), and discharging tube (40) extends in the pit (39 ').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107286 CN2655230Y (en) | 2003-11-20 | 2003-11-20 | Chemical reactor for multi-element automatic chemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320107286 CN2655230Y (en) | 2003-11-20 | 2003-11-20 | Chemical reactor for multi-element automatic chemical analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2655230Y true CN2655230Y (en) | 2004-11-10 |
Family
ID=34342170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320107286 Expired - Fee Related CN2655230Y (en) | 2003-11-20 | 2003-11-20 | Chemical reactor for multi-element automatic chemical analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2655230Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275855A (en) * | 2011-04-12 | 2011-12-14 | 新疆农业大学 | Solution transferring device |
| CN102401748A (en) * | 2011-11-08 | 2012-04-04 | 江苏大学 | Device of testing horizontal fog scale distribution and method thereof |
| CN102426112A (en) * | 2011-10-17 | 2012-04-25 | 江苏大学 | Matrix type liquid collection unit array quick liquid discharge device and liquid discharge method thereof |
| CN101625369B (en) * | 2008-07-11 | 2013-06-19 | 广州安必平医药科技有限公司 | Intelligent sample processor |
| CN103512856A (en) * | 2013-10-17 | 2014-01-15 | 江西夏氏春秋环境投资有限公司 | Multi-channel on-line water quality analyzer and application method thereof |
| CN104251831A (en) * | 2013-06-26 | 2014-12-31 | 东亚Dkk株式会社 | Analyzer |
| CN105056575A (en) * | 2015-09-11 | 2015-11-18 | 刘艾新 | Automatic liquid-liquid extraction instrument |
| CN109580599A (en) * | 2018-11-22 | 2019-04-05 | 鲁东大学 | The aquaculture condition test-control system and investigating method of internet of things oriented |
| CN110824100A (en) * | 2018-08-13 | 2020-02-21 | 东亚Dkk株式会社 | Titration apparatus and method for cleaning burette |
-
2003
- 2003-11-20 CN CN 200320107286 patent/CN2655230Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625369B (en) * | 2008-07-11 | 2013-06-19 | 广州安必平医药科技有限公司 | Intelligent sample processor |
| CN102275855A (en) * | 2011-04-12 | 2011-12-14 | 新疆农业大学 | Solution transferring device |
| CN102426112B (en) * | 2011-10-17 | 2014-04-09 | 江苏大学 | Matrix type liquid collection unit array quick liquid discharge device and liquid discharge method thereof |
| CN102426112A (en) * | 2011-10-17 | 2012-04-25 | 江苏大学 | Matrix type liquid collection unit array quick liquid discharge device and liquid discharge method thereof |
| CN102401748B (en) * | 2011-11-08 | 2014-04-09 | 江苏大学 | Device of testing horizontal fog scale distribution and method thereof |
| CN102401748A (en) * | 2011-11-08 | 2012-04-04 | 江苏大学 | Device of testing horizontal fog scale distribution and method thereof |
| CN104251831A (en) * | 2013-06-26 | 2014-12-31 | 东亚Dkk株式会社 | Analyzer |
| CN104251831B (en) * | 2013-06-26 | 2018-07-31 | 东亚Dkk株式会社 | Analyzer |
| CN103512856A (en) * | 2013-10-17 | 2014-01-15 | 江西夏氏春秋环境投资有限公司 | Multi-channel on-line water quality analyzer and application method thereof |
| CN105056575A (en) * | 2015-09-11 | 2015-11-18 | 刘艾新 | Automatic liquid-liquid extraction instrument |
| CN110824100A (en) * | 2018-08-13 | 2020-02-21 | 东亚Dkk株式会社 | Titration apparatus and method for cleaning burette |
| CN110824100B (en) * | 2018-08-13 | 2022-04-01 | 东亚Dkk株式会社 | Titration apparatus and method for cleaning burette |
| CN109580599A (en) * | 2018-11-22 | 2019-04-05 | 鲁东大学 | The aquaculture condition test-control system and investigating method of internet of things oriented |
| CN109580599B (en) * | 2018-11-22 | 2021-06-04 | 鲁东大学 | Aquatic product culture environment measurement and control system and method for Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041110 Termination date: 20111120 |