CN103372733A - Welding device and welding method for one-way valves of capillary components - Google Patents
Welding device and welding method for one-way valves of capillary components Download PDFInfo
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- CN103372733A CN103372733A CN2012101153700A CN201210115370A CN103372733A CN 103372733 A CN103372733 A CN 103372733A CN 2012101153700 A CN2012101153700 A CN 2012101153700A CN 201210115370 A CN201210115370 A CN 201210115370A CN 103372733 A CN103372733 A CN 103372733A
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- capillary module
- welder
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- 238000003466 welding Methods 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 176
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 229910000679 solder Inorganic materials 0.000 claims description 23
- 239000000498 cooling water Substances 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention provides a welding device and a welding method for one-way valves of capillary components. The welding device comprises a main nitrogen charging turnplate mechanism and nitrogen-division positioning mechanisms. The main nitrogen charging turnplate mechanism comprises a rack and a turnplate rotatably arranged on the rack. Each nitrogen-division positioning mechanism comprises a plurality of positioning supports arranged on the turnplate and nitrogen division pipes arranged on the positioning supports in a turnover manner. A plurality of nitrogen charging nozzles are arranged on the nitrogen division pipes. According to the welding method, the welding device is adopted, a pipe matching station and a welding station are arranged on two sides of the welding device respectively, and workers can sit for operating when welding welding spots at two ends of the one-way valves, so that fatigue caused by the fact that the workers walk back and forth and stand for a long time is reduced, labor intensity of the workers is effectively relieved, welders and pipe matching workers can work continuously, and production efficiency is improved.
Description
Technical field
The present invention relates to the welding tooling field, especially, relate to a kind of check valve welder and welding method of capillary module.
Background technology
Check valve entrance and exit two end pads on the capillary module all adopt straight line long strip type welding tooling to weld at present.Then first step assembling check valve and filter assemblies weld check valve port of export solder joint; Second step is manually removed check valve and filter assemblies that dress has welded to another frock, assembles main capillary at the check valve arrival end again, installs rear welding check valve arrival end solder joint.
This kind method has following defective:
A, a dead lift check valve and filter assemblies, frock on the new clothes of laying equal stress on, middle turnover and refitting have increased employee's labour intensity, and production efficiency is lower.
B, orthoscopic welding tooling exist needs the welding employee to walk up and down for a long time, and the pipe arrangement employee needs the radiation divergent contour to walk about for getting around welding employee and Na pipeline fitting, and it is tired easily to stand for a long time and walk.
C, orthoscopic welding tooling exist the employee not work continuously, and production efficiency is lower.
Summary of the invention
The object of the invention is to provide a kind of check valve welder and welding method of capillary module, large to solve the existing staff labor intensity of straight line long strip type welding tooling, it is tired easily to stand for a long time and walk, and can not work continuously the technical problem that production efficiency is lower.
For achieving the above object, the invention provides a kind of check valve welder of capillary module, comprise main nitrogen rotating disk mechanism and minute nitrogen detent mechanism of filling, the main nitrogen rotating disk mechanism that fills comprises frame and is arranged on rotationally rotating disk on the frame; Minute nitrogen detent mechanism comprises a plurality of locating support and turning minute nitrogen pipes that are arranged on the locating support that are arranged on the rotating disk; Be provided with a plurality of nitrogen mouths that fill on minute nitrogen pipe.
Further, divide the upset positioning component that is provided with and divides the nitrogen pipe to overturn synchronously on the first end of nitrogen detent mechanism.
Further, be provided with air inlet pipe on the second end of minute nitrogen detent mechanism, air inlet pipe is connected with a minute nitrogen pipe.
Further, being provided with the cooling water box on minute nitrogen pipe, fits with minute nitrogen pipe in the bottom of cooling water box.
Further, divide the below of nitrogen pipe to be provided be used to the water spilage tray of collecting from the cooling water of cooling water box.
Further, the upset positioning component comprises rotary part, be provided with locating slot on the rotary part, but be provided with the fore-set of elastic telescopic on the side of locating support near the upset positioning component, fore-set has the primary importance that stretches into locating slot and the second place that withdraws from locating slot.
Further, locating support removably is connected with rotating disk.
The present invention also provides a kind of check valve welding method of capillary module, adopts the check valve welder of aforesaid capillary module, and the both sides of welder have pipe arrangement station and welding post; Welding method may further comprise the steps:
Step S1: the place allocates the port of export of check valve into filter assemblies at the pipe arrangement station, and the check valve that will assemble insertion is filled the nitrogen mouth, the rotating disk of rotation welder;
Step S2: when the check valve that assembles arrives welding post, the solder joint of the welding check valve port of export, and the rotating disk of rotation welder;
Step S3: the check valve that will weld port of export solder joint turns to the pipe arrangement station, allocates main capillary module into the check valve reversing and at its arrival end, then turns to the solder joint of the arrival end of welding post welding check valve.
Further, step S3 may further comprise the steps:
Step S301: when the check valve that welds port of export solder joint arrives the pipe arrangement station, with 180 ° of check valve upsets, and will weld good port of export insertion and fill the nitrogen mouth, and then allocate main capillary module at the arrival end of check valve;
Step S302: be rotated further rotating disk, when the check valve for preparing main capillary module turned to welding post, the solder joint of the arrival end of welding check valve with check valve and the welding of main capillary module, then rotated to the pipe arrangement station;
Step S303: when the filter of finishing when welding turns to the pipe arrangement station, filter taken out fill the nitrogen mouth.
The present invention has following beneficial effect:
By dividing the nitrogen detent mechanism to be arranged on the disk, during welding check valve two end pad, do not need a dead lift check valve and the filter assemblies frock on the new clothes of laying equal stress on midway, middle turnover and refitting required time have been reduced, employee's operation that can be seated has reduced the fatigue that the employee walks up and down for a long time and stands and bring, and has reduced employee's labour intensity, welder and pipe arrangement worker can work continuously, and enhance productivity.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.The below is with reference to figure, and the present invention is further detailed explanation.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is that the master according to the check valve welder of capillary module of the present invention looks schematic diagram;
Fig. 2 is the axle side schematic diagram according to the check valve welder of capillary module of the present invention;
Fig. 3 is minute nitrogen detent mechanism schematic diagram according to the check valve welder of capillary module of the present invention;
Fig. 4 is the local enlarged diagram of the upset positioning component of Fig. 3;
Fig. 5 is the schematic top plan view according to minute nitrogen detent mechanism of the check valve welder of capillary module of the present invention;
Fig. 6 is the local enlarged diagram of the upset positioning component of Fig. 5;
Fig. 7 is the oblique side schematic diagram according to minute nitrogen detent mechanism of the check valve welder of capillary module of the present invention; And
Fig. 8 is the station schematic diagram according to the check valve welding method of capillary module of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1 and Fig. 2, according to the check valve welder of capillary module of the present invention, comprise main nitrogen rotating disk mechanism 10 and minute nitrogen detent mechanism 20 of filling, the main nitrogen rotating disk mechanism 10 that fills comprises frame 11 and is arranged on rotationally rotating disk 12 on the frame 11; Minute nitrogen detent mechanism 20 comprises a plurality of locating support 22 and turning minute nitrogen pipes 21 that are arranged on the locating support 22 that are arranged on the rotating disk 12; Be provided with a plurality of nitrogen mouths 211 that fill on minute nitrogen pipe 21.The main nitrogen rotating disk mechanism 10 that fills mainly plays rotation and nitrogen is diverted to a minute nitrogen detent mechanism, divide nitrogen pipe 21 realization nitrogen to shunt after nitrogen rotating disk mechanism 10 flows out from main filling, fill nitrogen mouth 211 and can carry out effective location to the check valve pipeline, minute nitrogen pipe 21 is located after turning over turnback by upset positioning component 30, realizes being soldered the again effect of upset weldering other end solder joint behind check valve one end pad; By a minute nitrogen positioning turning mechanism, realize that nitrogen branches to the check valve solder joint place on each capillary module, when welding, play the effect of protection solder joint; Distribute by minute nitrogen detent mechanism 20 circumferential, can reach the effect that welder and pipe arrangement worker work continuously.
Referring to Fig. 1, Fig. 2 and Fig. 8, preferably the main rotating disk 12 that fills nitrogen rotating disk mechanism 10 of the present invention is provided with along five uniform on rotating disk 12 circumferencial directions component nitrogen positioning turning mechanisms 20.Comprise pipe arrangement station P1, treat welding zone, welding post P3, weld the district, treat welding zone and weld the district to be buffer station, prevent that arbitrary station among pipe arrangement station P1 or the welding post P3 from finishing and in the situation that another station is not finished, guarantee the normal operation of other stations.
Referring to Fig. 1 to Fig. 4, be provided with the upset positioning component 30 that overturns synchronously with minute nitrogen pipe 21 on the first end of minute nitrogen detent mechanism 20.Upset positioning component 30 rotates synchronously with a minute nitrogen detent mechanism 20, is respectively equipped with deep groove ball bearing 222 on the left riser of locating support 22 and the right riser, is convenient to minute rotation of nitrogen detent mechanism 20.
Referring to Fig. 1 to Fig. 3, be provided with air inlet pipe 24 on the second end of minute nitrogen detent mechanism 20, air inlet pipe 24 is connected with a minute nitrogen pipe 21.Air inlet pipe 24 will be filled nitrogen that nitrogen rotating disk mechanism 10 flows out and be accessed in each minute nitrogen pipe 21 by main, realize being soldered the again effect of upset weldering other end solder joint behind check valve one end pad; By a minute nitrogen positioning turning mechanism, realize that nitrogen branches to the check valve solder joint place on each capillary module, when welding, play the effect of protection solder joint.
Referring to Fig. 3, Fig. 5 and Fig. 7, be provided with cooling water box 231 on minute nitrogen pipe 21, fit with minute nitrogen pipe 21 in the bottom of cooling water box 231.Put into wet cloth in the cooling water box 231, prevent minute nitrogen pipe 21 the spilling of cooling water in switching process, the below of minute nitrogen pipe 21 is provided with for the water spilage tray 232 of collecting cooling water.Cooling water box 231 is used for placing wet cloth, when realizing welding check valve is carried out cooling protection, and water spilage tray 232 can be collected the water that wet cloth falls.Locating support 22 left risers and right riser are separately positioned on water spilage tray 232 left and right sides, and water spilage tray 232 is arranged on minute nitrogen pipe 21 belows.
Referring to Fig. 3 and Fig. 4, upset positioning component 30 comprises rotary part 31, be provided with locating slot 311 on the rotary part 31, but be provided with the fore-set 36 of elastic telescopic on the side of locating support 22 near upset positioning component 30, fore-set 36 has the primary importance that stretches into locating slot 311 and withdraws from the second place of locating slot 311.The working end of fore-set 36 is sphere.Rotary part 31 inner circles are provided with key 38, and minute nitrogen pipe 21 overturns synchronously by key 38 and rotary part 31, and cylindrical is provided with handle, the operation during convenient the rotation, and the outside of rotary part 31 also is provided with the installation position block 32 that is connected for minute nitrogen pipe 21.Right riser is provided with installation sleeve 37, is provided with successively from left to right holding screw 34, spring 35, sphere fore-set 36 on the installation sleeve 37.The sphere of sphere fore-set 36 front ends is compressed into 311 li of the locating slots of rotary part 31 by spring force.
Referring to Fig. 3 and Fig. 4, upset positioning component 30 comprises rotary handle 33, and being provided with restricting rotation handle 33 on the side of locating support 22 near upset positioning component 30 can only be to the positive stop strip 223 of a direction rotation.When rotary handle 33 drove 21 rotation of minute nitrogen pipes, positive stop strip 223 was by cooperating with the stopping means that arranges on minute nitrogen pipe 21, and limiting rotary handle 33 can only be to a direction rotation.
Referring to Fig. 1 and Fig. 2, locating support 22 removably is connected with rotating disk 12.For the ease of the position of adjustment frock, can reach by the hold-down screw adjustment at top pre-provisioning request during the position of locating support 22 and rotating disk 12.
Referring to Fig. 8, the check valve welding method of capillary module of the present invention adopts the check valve welder of aforesaid capillary module, and the both sides of welder have pipe arrangement station P1 and welding post P3; Welding method may further comprise the steps:
Step S1: allocate the port of export of check valve into filter assemblies at pipe arrangement station P1 place, and the check valve that will assemble insertion is filled nitrogen mouth 211, the rotating disk 12 of rotation welder;
Step S2: when the check valve that assembles arrives welding post P3, the solder joint of the welding check valve port of export, and the rotating disk 12 of rotation welder;
Step S3: the check valve that will weld port of export solder joint turns to pipe arrangement station P1, allocates main capillary module into the check valve reversing and at its arrival end, then turns to the solder joint of the arrival end of welding post P3 welding check valve.
The pipe arrangement worker whenever fills a row and fills 211 rotations of nitrogen mouth once with the hand rotating disk that turns clockwise, until one arrange what install pipeline and rotate to welding post P3.The welder is with the hand rotating disk 12 that turns clockwise, the pipeline of the soldered port of export forwarded to weld the district, whenever welding a row turns once, until rotate to the pipe arrangement station, in pipe arrangement station P1 position, the pipe arrangement worker is holding handle and is turning over clockwise turnback (positive stop strip 223 on the right riser works, the restriction handle can only clockwise rotate), soldered pipeline and a minute nitrogen pipe 21, cooling water box 231 etc. together Rotate 180 degree are stopped (at this moment the sphere of sphere fore-set 36 front ends compressed into rotary part 31 by spring force 311 li of locating slots) to screens.
Referring to Fig. 8, step S3 may further comprise the steps:
Step S301: when the check valve that welds port of export solder joint arrives pipe arrangement station P1, with 180 ° of check valve upsets, and will weld good port of export insertion and fill nitrogen mouth 211, and then allocate main capillary module at the arrival end of check valve;
Step S302: be rotated further rotating disk 12, when the check valve for preparing main capillary module turned to welding post P3, the solder joint of the arrival end of welding check valve with check valve and the welding of main capillary module, then rotated to pipe arrangement station P1;
Step S303: when the filter of finishing when welding turns to pipe arrangement station P1, filter taken out fill nitrogen mouth 211.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
During welding check valve two end pad, do not need a dead lift check valve and the filter assemblies frock on the new clothes of laying equal stress on midway, middle turnover and refitting required time have been reduced, employee's operation that can be seated, reduced the fatigue that the employee walks up and down for a long time and stands and bring, reduced employee's labour intensity, welder and pipe arrangement worker can work continuously, and enhance productivity.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the check valve welder of a capillary module is characterized in that, comprises main nitrogen rotating disk mechanism (10) and minute nitrogen detent mechanism (20) of filling,
Described master fills nitrogen rotating disk mechanism (10) and comprises frame (11) and be arranged on rotationally rotating disk (12) on the described frame (11);
Described minute the nitrogen detent mechanism (20) comprise a plurality of locating support (22) and turning minute nitrogen pipes (21) that are arranged on the described locating support (22) that are arranged on the described rotating disk (12);
Be provided with a plurality of nitrogen mouths (211) that fill in described minute on nitrogen pipe (21).
2. the check valve welder of capillary module according to claim 1 is characterized in that, described minute the nitrogen detent mechanism (20) first end on be provided with and the synchronous upset positioning component (30) of upset of described minute nitrogen pipe (21).
3. the check valve welder of capillary module according to claim 1, it is characterized in that, described minute the nitrogen detent mechanism (20) the second end on be provided with air inlet pipe (24), described air inlet pipe (24) with described minute the nitrogen pipe (21) be connected.
4. the check valve welder of capillary module according to claim 1, it is characterized in that, be provided with cooling water box (231) on described minute nitrogen pipe (21), the bottom of described cooling water box (231) and described minute the nitrogen pipe (21) fit.
5. the check valve welder of capillary module according to claim 4 is characterized in that, described minute the nitrogen pipe (21) the below be provided be used to the water spilage tray (232) of collecting from the cooling water of described cooling water box (231).
6. the check valve welder of capillary module according to claim 2, it is characterized in that, described upset positioning component (30) comprises rotary part (31), be provided with locating slot (311) on the described rotary part (31), described locating support (22) near described upset positioning component (30) but a side on be provided with the fore-set (36) of elastic telescopic, described fore-set (36) has the primary importance that stretches into described locating slot (311) and the second place that withdraws from described locating slot (311).
7. the check valve welder of capillary module according to claim 1 is characterized in that, described locating support (22) removably is connected with described rotating disk (12).
8. the check valve welding method of a capillary module, it is characterized in that, adopt the check valve welder of each described capillary module in the claim 1 to 7, the both sides of described welder have pipe arrangement station (P1) and welding post (P3);
Described welding method may further comprise the steps:
Step S1: locate to allocate the port of export of check valve into filter assemblies at described pipe arrangement station (P1), and the described check valve that will assemble inserts and fill nitrogen mouth (211), rotate the rotating disk (12) of described welder;
Step S2: when the described check valve that assembles arrives described welding post (P3), weld the solder joint of the described check valve port of export, and rotate the rotating disk (12) of described welder;
Step S3: the described check valve that will weld port of export solder joint turns to described pipe arrangement station (P1), allocate main capillary module into described check valve reversing and at its arrival end, then turn to the solder joint of the arrival end of the described check valve of described welding post (P3) welding.
9. the check valve welding method of capillary module according to claim 8 is characterized in that, described step S3 may further comprise the steps:
Step S301: when the described check valve that welds port of export solder joint arrives described pipe arrangement station (P1), with 180 ° of described check valve upsets, and will weld the good port of export and insert the described nitrogen mouth (211) that fills, then allocate main capillary module at the arrival end of described check valve;
Step S302: be rotated further rotating disk (12), when the described check valve for preparing described main capillary module turns to described welding post (P3), weld the solder joint of the arrival end of described check valve, with described check valve and described main capillary module welding, then rotate to described pipe arrangement station (P1);
Step S303: when the described filter of finishing when welding turns to described pipe arrangement station (P1), described filter is taken out the described nitrogen mouth (211) that fills.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115370.0A CN103372733B (en) | 2012-04-18 | 2012-04-18 | The check valve welder of capillary module and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115370.0A CN103372733B (en) | 2012-04-18 | 2012-04-18 | The check valve welder of capillary module and welding method |
Publications (2)
| Publication Number | Publication Date |
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| CN103372733A true CN103372733A (en) | 2013-10-30 |
| CN103372733B CN103372733B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210115370.0A Expired - Fee Related CN103372733B (en) | 2012-04-18 | 2012-04-18 | The check valve welder of capillary module and welding method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392447A (en) * | 2016-11-27 | 2017-02-15 | 山东阿尔普尔节能装备有限公司 | Rotary type welding device for four-way valve assembly |
| CN106392429A (en) * | 2016-11-27 | 2017-02-15 | 山东阿尔普尔节能装备有限公司 | Welding device for electronic expansion valve assembly |
| CN107511632A (en) * | 2017-10-23 | 2017-12-26 | 无锡同方人工环境有限公司 | A kind of multipurpose rotatably welds operating platform |
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| JPS62270298A (en) * | 1986-05-20 | 1987-11-24 | Honda Motor Co Ltd | Work throwing device for welding device |
| CN2768951Y (en) * | 2005-01-07 | 2006-04-05 | 佛山市美的日用家电集团有限公司 | Inert gas thorough-in device used for vacuum pipe welding equipment |
| CN201579565U (en) * | 2009-11-17 | 2010-09-15 | 帕圣科技发展(上海)有限公司 | Welding tool rotating table |
| CN201783793U (en) * | 2010-03-10 | 2011-04-06 | 四川省宜宾岷江专用汽车有限责任公司 | Automatic welding integral unit for round pieces |
| CN102328146A (en) * | 2010-07-12 | 2012-01-25 | 珠海格力电器股份有限公司 | Soldering sprinkling device for square valve component |
| CN202498321U (en) * | 2012-04-18 | 2012-10-24 | 珠海格力电器股份有限公司 | One-way valve welding device of capillary assembly |
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2012
- 2012-04-18 CN CN201210115370.0A patent/CN103372733B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270298A (en) * | 1986-05-20 | 1987-11-24 | Honda Motor Co Ltd | Work throwing device for welding device |
| CN2768951Y (en) * | 2005-01-07 | 2006-04-05 | 佛山市美的日用家电集团有限公司 | Inert gas thorough-in device used for vacuum pipe welding equipment |
| CN201579565U (en) * | 2009-11-17 | 2010-09-15 | 帕圣科技发展(上海)有限公司 | Welding tool rotating table |
| CN201783793U (en) * | 2010-03-10 | 2011-04-06 | 四川省宜宾岷江专用汽车有限责任公司 | Automatic welding integral unit for round pieces |
| CN102328146A (en) * | 2010-07-12 | 2012-01-25 | 珠海格力电器股份有限公司 | Soldering sprinkling device for square valve component |
| CN202498321U (en) * | 2012-04-18 | 2012-10-24 | 珠海格力电器股份有限公司 | One-way valve welding device of capillary assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392447A (en) * | 2016-11-27 | 2017-02-15 | 山东阿尔普尔节能装备有限公司 | Rotary type welding device for four-way valve assembly |
| CN106392429A (en) * | 2016-11-27 | 2017-02-15 | 山东阿尔普尔节能装备有限公司 | Welding device for electronic expansion valve assembly |
| CN107511632A (en) * | 2017-10-23 | 2017-12-26 | 无锡同方人工环境有限公司 | A kind of multipurpose rotatably welds operating platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103372733B (en) | 2015-12-02 |
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Granted publication date: 20151202 |