CN103128519A - Manufacture method of micro-channel heat exchanger and device - Google Patents
Manufacture method of micro-channel heat exchanger and device Download PDFInfo
- Publication number
- CN103128519A CN103128519A CN2013100808964A CN201310080896A CN103128519A CN 103128519 A CN103128519 A CN 103128519A CN 2013100808964 A CN2013100808964 A CN 2013100808964A CN 201310080896 A CN201310080896 A CN 201310080896A CN 103128519 A CN103128519 A CN 103128519A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- micro
- fin
- channel heat
- flat tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a manufacture method of a micro-channel heat exchanger and a device in the technical field of heat exchange devices. Firstly, a framework of the micro-channel heat exchanger is formed through a cold extruding process, then, fins are tightly fixed in the framework of the micro-channel heat exchanger through an assembling mechanism, finally, glue is coated at the contact positions of finned flat tubes, and the micro-channel heat exchanger is manufactured. The micro-channel heat exchanger comprises the framework of the heat exchanger and a plurality of fins, wherein the framework of the heat exchanger is composed of collecting mains and the flat tubes, the fins are arranged on the framework of the heat exchanger, conduits which are used for being inserted into the flat tubes are arranged on the collecting mains and a plurality of micro-channel structures are arranged inside the flat tubes. The manufacture method of the micro-channel heat exchanger and the device solve the problem of high energy consumption in the manufacture process of the micro-channel heat exchanger, production consumption is saved, and cost of the heat exchanger is reduced.
Description
Technical field
What the present invention relates to is a kind of method and device of technical field of heat exchange devices, specifically a kind of micro-channel heat exchanger manufacturing method and apparatus.
Background technology
Micro-channel heat exchanger is a kind of high-performance heat exchanger that adopts full aluminum to make, and its flat tube adopts MCA, can strengthen and condense and boiling heat transfer, significantly improves the refrigerant side heat exchange efficiency; Its fin adopts efficient heat exchange fin such as shutter pattern, and fenestration can make Air Flow boundary layer periodic interruptions, simultaneously air stream is play the guiding role, and realizes the air side enhanced heat exchange.Micro-channel heat exchanger has lightweight, compact conformation, and the advantage that heat exchange efficiency is high, instead of copper material (national strategy reserved resources) has cost advantage; Simultaneously, the characteristics that its internal capacity is little are conducive to greatly reduce refrigerant charge, meet the trend of energy-conserving and environment-protective
Integral braze-welded technique is mainly adopted in the at present processing of micro-channel heat exchanger, is placed in the soldering oven pipe racks assembling complete heat exchanger, completes welding through degreasing, spray, oven dry, soldering, water-cooled, the operation such as air-cooled.Integral braze-welded to require heat exchanger to assemble before entering soldering oven complete, and use square steel or strapping heat exchanger to tie up fixing.If it is improper that the power of tying up is controlled, easily cause rosin joint in brazing process or fall the phenomenon such as wing.If Control for Kiln Temperature is improper, can cause header and flat tube not to weld.The more important thing is, the soldering furnace temperature requires very strict, and maximum temperature surpasses 600 ℃, needs to continue to consume mass energy.
Cold extrusion is that metal blank is placed in the cold extrusion die cavity, at room temperature, exerts pressure to blank by punch fixing on forcing press, forces gold bits piece material to produce plastic flow deformation and makes the processing method of part.Cold-extruded is pressed with and saves material, raises labour efficiency, improves piece surface precision and mechanical property, reduce the advantage such as cost of parts.The more important thing is, compare soldering processes, cold extrusion does not need the heating of metal material, can save a large amount of energy.
Cold extrusion is that metal blank is placed in the cold extrusion die cavity, at room temperature, exerts pressure to blank by punch fixing on forcing press, forces gold bits piece material to produce plastic flow deformation and makes the processing method of part.Cold-extruded is pressed with and saves material, raises labour efficiency, improves piece surface precision and mechanical property, reduce the advantage such as cost of parts.The more important thing is, compare soldering processes, cold extrusion does not need the heating of metal material, can save a large amount of energy.
Summary of the invention
The present invention is directed to the prior art above shortcomings, propose a kind of micro-channel heat exchanger manufacturing method and apparatus, solve the high energy consumption problem in the micro-channel heat exchanger manufacture process, saved energy consumption, reduced the heat exchanger cost.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of micro-channel heat exchanger manufacture method, at first adopt cold-extrusion technology to carry out moulding to the micro-channel heat exchanger framework, then by assemble mechanism, fin closely is fixed in the micro-channel heat exchanger framework, the most backward fin flat tube contact position gluing is made micro-channel heat exchanger.
Described cold-extrusion technology refers to: with the two ends of some flat tubes of micro-channel heat exchanger framework respectively vertical insert two headers after, the micro-channel heat exchanger framework is put into the cold extrusion die cavity, by punch fixing on forcing press, exert pressure to flat tube header junction, make the aluminium bits of joint portion produce plastic flow deformation, fill up the gap of flat tube and header insertion groove, thereby make the airtight cavity of the inner formation of micro-channel heat exchanger.
Described assemble mechanism comprises: with the assembling frame of fixture and be movably set in gluing head on frame, wherein: the built-in motor that is connected with controller of gluing head, by realizing automation two dimension gluing on the assembling frame that is movably set in crossbar structure, the fixture that is comprised of limited block and broach is fixedly installed on the bottom of assembling frame.
The quantity of described limited block is 6, and its inboard contacts with four lateral surfaces of micro-channel heat exchanger framework respectively, and also implementation framework is spacing; Described broach is arranged at the interior zone of limited block and contacts with fin, realizes that fin is spacing.
The width of described broach is 5mm.
Describedly closely fixedly refer to: the micro-channel heat exchanger framework be placed on the assembly bench of assemble mechanism and use clamp; Then rise two pairs of broach between two flat tubes of a side, make the flat tube spacing become a little greatly, put at last fin and pack up broach, realize successively the assembling of fin between every two flat tubes.
Because fin width is larger than flat tube spacing, both can form more stable cooperation.
Described gluing refers to: control gluing head by controller, coating heat conduction viscose on the line that flat tube contacts with fin; And the glue company that completes all flat tubes and fin according to putting in order of flat tube.
The present invention relates to the micro-channel heat exchanger that said method prepares, comprise: the heat exchanger framework that header and flat tube form and be arranged at some fins in the heat exchanger framework, wherein: header is provided with for the conduit that inserts flat tube, and a plurality of MCAs are contained in flat tube inside.
Gap between described fin and header is provided with anticorrosive, and this anticorrosive is preferably sponge or plastics, contacts to prevent fin the electrochemical corrosion that forms with header.
Described fin is formed by surface treated aluminum foil rolling, and fin width than the large 0.01-0.03mm of flat tube spacing, can be that the shutter form can be also other high-efficiency fin form.
Described surface treatment adopts the various existing surface treatment applying coating that extensively adopts in air conditioner industry to realize.
Technique effect
Compare with existing micro-channel heat exchanger manufacture, the invention has the advantages that: cold-extrusion technology can connect header and flat tube, completes the moulding of micro-channel heat exchanger framework, has avoided the high energy consumption of soldering, saved the main equipments such as soldering oven, improved production efficiency and reduced cost.Adopt viscose material rather than welding to connect fin and flat tube, make fin is carried out that surface treatment had may.The fin raw material can use hydrophilic (or hydrophobic) aluminium foil as required, improve heat exchanger draining, frosting, anticorrosion and Soot Performance.
Description of drawings
Fig. 1 is micro-channel heat exchanger framework schematic diagram;
Fig. 2 is micro-channel heat exchanger assembly bench axonometric drawing;
Fig. 3 is micro-channel heat exchanger assembly bench top view;
Fig. 4 is micro-channel heat exchanger assembly bench front view;
Fig. 5 is the micro-channel heat exchanger assembly bench axonometric drawing with heat exchanger;
Fig. 6 is the micro-channel heat exchanger schematic diagram;
In figure: 10 micro-channel heat exchanger frameworks, 20 micro-channel heat exchanger assembly bench, 30 micro-channel heat exchangers, 1 header, 2 flat tubes, 3 fins, 4 aptery sections, 5 header insertion grooves, 21 base plates, 22 supports, 23,24 guide rails, 25 gluing heads, 26 broach (collapsed state), 27 broach (rise state), 28 positioning fixtures.
The specific embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment relates to a kind of micro-channel heat exchanger framework 10 and comprises: header 1 and flat tube 2, wherein: constant depth in the insertion groove 5 of the end insertion header 1 of flat tube 2.Micro-channel heat exchanger framework 10 is put into the cold extrusion die cavity, by punch fixing on forcing press, 5 places exert pressure to the header insertion groove, make the aluminium bits of joint portion produce plastic flow deformation, fill up the gap between flat tube 2 and header insertion groove 5, thereby make micro-channel heat exchanger framework 10 form airtight cavity.
As shown in Figure 5, micro-channel heat exchanger framework 10 is joined at the enterprising luggage of assembly bench 20.Micro-channel heat exchanger framework 10 is placed on assembly bench 20, is fixedly clamped with positioning fixture 28.Rise two pairs of broach 27 between two flat tubes of a side, make the flat tube spacing increase a little, then put into fin 3, pack up broach 27.In order, realize successively the assembling of fin 3 between every two flat tubes; Because fin 3 width are larger than flat tube spacing, both can form more stable cooperation.After completing the assembling of whole fins 3 and flat tube, by the contact position gluing of gluing head 25 to fin 3 and flat tube.Concrete method is.Gluing head 25 is coated with the heat conduction viscose by programme-control on a line that contacts with fin 3 at flat tube.According to the order of flat tube, the glue of completing all flat tubes and fin 3 connects.
As shown in Figure 6, the micro-channel heat exchanger 30 that assembling is completed inserts broach 27 when assembling place forms aptery section 4, at middle filling sponge or plastics, has prevented that effectively fin 3 from contacting the electrochemical corrosion that forms with header 1.
As shown in Figure 1, described header 1 can but be not limited to D type, O type or Type B.
As shown in Figure 1, described flat tube 2 can but be not limited to push flat tube or folding flat tube, a plurality of MCAs are contained in this flat tube 2 inside, MCA is not also limit shape.
As shown in Figure 2, described micro-channel heat exchanger assembly bench 20 comprises: base plate 21, support 22, guide rail 23,24, gluing head 25, broach 26,27 and positioning fixture 28, wherein: base plate 21 can be fixed on table surface or other plane, guide rail 23 can slide and realize the location on guide rail 24, gluing head 25 can slide and realize the location on guide rail 23, broach 2627 can stretch out income base plate 21, and positioning fixture 28 can move and fix heat exchanger to be assembled as required.
As shown in Figure 5, described fin 3 is formed by surface treated aluminum foil rolling, can be that the shutter form can be also other high-efficiency fin form.Fin width is than the large 0.01-0.03mm of flat tube spacing.
Claims (10)
1. micro-channel heat exchanger manufacture method, it is characterized in that, at first adopt cold-extrusion technology to carry out moulding to the micro-channel heat exchanger framework, then by assemble mechanism, fin closely is fixed in the micro-channel heat exchanger framework, the most backward fin flat tube contact position gluing is made micro-channel heat exchanger.
2. method according to claim 1, it is characterized in that, described cold-extrusion technology refers to: with the two ends of some flat tubes of micro-channel heat exchanger framework respectively vertical insert two headers after, the micro-channel heat exchanger framework is put into the cold extrusion die cavity, by punch fixing on forcing press, exert pressure to flat tube header junction, make the aluminium bits of joint portion produce plastic flow deformation, fill up the gap of flat tube and header insertion groove, thereby make the airtight cavity of the inner formation of micro-channel heat exchanger.
3. method according to claim 1, it is characterized in that, described assemble mechanism comprises: with the assembling frame of fixture and be movably set in gluing head on frame, wherein: the built-in motor that is connected with controller of gluing head, by realizing automation two dimension gluing on the assembling frame that is movably set in crossbar structure, the fixture that is comprised of limited block and broach is fixedly installed on the bottom of assembling frame.
4. method according to claim 3, is characterized in that, the quantity of described limited block is 6, and its inboard contacts with four lateral surfaces of micro-channel heat exchanger framework respectively, and also implementation framework is spacing; Described broach is arranged at the interior zone of limited block and contacts with fin, realizes that fin is spacing.
5. method according to claim 3, is characterized in that, the width of described broach is 5mm.
6. method according to claim 1, is characterized in that, describedly closely fixedly refers to: the micro-channel heat exchanger framework be placed on the assembly bench of assemble mechanism and use clamp; Then rise two pairs of broach between two flat tubes of a side, make the flat tube spacing become a little greatly, put at last fin and pack up broach, realize successively the assembling of fin between every two flat tubes.
7. method according to claim 1, is characterized in that, described gluing refers to: control gluing head by controller, coating heat conduction viscose on the line that flat tube contacts with fin; And the glue company that completes all flat tubes and fin according to putting in order of flat tube.
8. micro-channel heat exchanger for preparing according to the described method of above-mentioned arbitrary claim, it is characterized in that, comprise: the heat exchanger framework that header and flat tube form and be arranged at some fins in the heat exchanger framework, wherein: header is provided with for the conduit that inserts flat tube, and a plurality of MCAs are contained in flat tube inside;
Gap between described fin and header is provided with anticorrosive.
9. heat exchanger according to claim 8, is characterized in that, described anticorrosive is sponge or plastics, contacts to prevent fin the electrochemical corrosion that forms with header.
10. heat exchanger according to claim 8, is characterized in that, described fin is formed by surface treated aluminum foil rolling, and fin width is than the large 0.01-0.03mm of flat tube spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080896.4A CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080896.4A CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103128519A true CN103128519A (en) | 2013-06-05 |
| CN103128519B CN103128519B (en) | 2015-05-27 |
Family
ID=48489313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310080896.4A Expired - Fee Related CN103128519B (en) | 2013-03-14 | 2013-03-14 | Manufacture method of micro-channel heat exchanger and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103128519B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148718A (en) * | 2013-03-15 | 2013-06-12 | 上海交通大学 | Microchannel heat exchanger |
| CN105458640A (en) * | 2016-01-25 | 2016-04-06 | 淄博鼎电电力设备有限公司 | Novel aluminum alloy transformer cooling fin clamping mechanism and technological process |
| CN108941816A (en) * | 2018-08-22 | 2018-12-07 | 青岛海信日立空调系统有限公司 | The processing method of the processing unit (plant) and heat exchanger of heat exchanger |
| CN109916147A (en) * | 2019-03-22 | 2019-06-21 | 国兴(东莞)新能源科技有限公司 | A kind of soft-package battery high vacuum microchannel de-watering apparatus |
| CN110044119A (en) * | 2019-04-15 | 2019-07-23 | 合肥华凌股份有限公司 | Heat-exchanging component and refrigeration equipment with it |
| CN110793182A (en) * | 2019-11-15 | 2020-02-14 | 河南机电职业学院 | Air conditioner core assembling equipment for automobile production |
| CN111922218A (en) * | 2020-07-31 | 2020-11-13 | 珠海格力电器股份有限公司 | Flat pipe and fin clamping and pressing device, manufacturing method and micro-channel heat exchanger |
| CN116255839A (en) * | 2021-12-09 | 2023-06-13 | 杭州三花微通道换热器有限公司 | Heat exchanger machining method and machining device for heat exchanger |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150720A (en) * | 1976-04-29 | 1979-04-24 | Imperial Chemical Industries Limited | Heat exchanger |
| EP0035078A2 (en) * | 1980-03-05 | 1981-09-09 | LICENCIA Találmányokat Ertékesitö és Innovácios Külkereskedelmi Vállalat | Process for manufacturing finned heat-exchangers |
| JPS6141777A (en) * | 1984-08-06 | 1986-02-28 | Sumitomo Light Metal Ind Ltd | Manufacture of heat exchanger |
| US4601089A (en) * | 1983-10-21 | 1986-07-22 | Pal Gal | Process for the manufacture of heat-exchanger elements of strip-finned heat-exchangers |
| DE3724675A1 (en) * | 1987-07-25 | 1989-02-02 | Heraeus Elektroden | Heat exchanger |
| JPH01266931A (en) * | 1988-04-18 | 1989-10-24 | Showa Alum Corp | Manufacture of heat exchanger |
| US4960169A (en) * | 1989-06-20 | 1990-10-02 | Modien Manufacturing Co. | Baffle for tubular heat exchanger header |
| KR20040051641A (en) * | 2002-12-11 | 2004-06-19 | 엘지전자 주식회사 | Micro Channel Heat Exchanger |
| US20040194312A1 (en) * | 2001-11-02 | 2004-10-07 | Gowan James D. | Extruded manifold and method of making same |
| CN101634527A (en) * | 2009-04-07 | 2010-01-27 | 三花丹佛斯（杭州）微通道换热器有限公司 | Microchannel heat exchanger |
-
2013
- 2013-03-14 CN CN201310080896.4A patent/CN103128519B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4150720A (en) * | 1976-04-29 | 1979-04-24 | Imperial Chemical Industries Limited | Heat exchanger |
| EP0035078A2 (en) * | 1980-03-05 | 1981-09-09 | LICENCIA Találmányokat Ertékesitö és Innovácios Külkereskedelmi Vállalat | Process for manufacturing finned heat-exchangers |
| US4601089A (en) * | 1983-10-21 | 1986-07-22 | Pal Gal | Process for the manufacture of heat-exchanger elements of strip-finned heat-exchangers |
| JPS6141777A (en) * | 1984-08-06 | 1986-02-28 | Sumitomo Light Metal Ind Ltd | Manufacture of heat exchanger |
| DE3724675A1 (en) * | 1987-07-25 | 1989-02-02 | Heraeus Elektroden | Heat exchanger |
| JPH01266931A (en) * | 1988-04-18 | 1989-10-24 | Showa Alum Corp | Manufacture of heat exchanger |
| US4960169A (en) * | 1989-06-20 | 1990-10-02 | Modien Manufacturing Co. | Baffle for tubular heat exchanger header |
| US20040194312A1 (en) * | 2001-11-02 | 2004-10-07 | Gowan James D. | Extruded manifold and method of making same |
| KR20040051641A (en) * | 2002-12-11 | 2004-06-19 | 엘지전자 주식회사 | Micro Channel Heat Exchanger |
| CN101634527A (en) * | 2009-04-07 | 2010-01-27 | 三花丹佛斯（杭州）微通道换热器有限公司 | Microchannel heat exchanger |
Non-Patent Citations (5)
| Title |
|---|
| 吴金星等: "跨临界CO_2汽车空调换热器的研究进展", 《节能》 * |
| 周帼彦等: "换热技术从大型化向微小化的发展", 《热能动力工程》 * |
| 杨海明等: "微通道换热器流动和传热特性的研究", 《低温与超导》 * |
| 涂善东等: "化学机械系统的微小化与节能", 《化工进展》 * |
| 钟毅等: "微通道换热器研究进展", 《制冷与空调》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148718A (en) * | 2013-03-15 | 2013-06-12 | 上海交通大学 | Microchannel heat exchanger |
| CN105458640A (en) * | 2016-01-25 | 2016-04-06 | 淄博鼎电电力设备有限公司 | Novel aluminum alloy transformer cooling fin clamping mechanism and technological process |
| CN108941816A (en) * | 2018-08-22 | 2018-12-07 | 青岛海信日立空调系统有限公司 | The processing method of the processing unit (plant) and heat exchanger of heat exchanger |
| CN109916147A (en) * | 2019-03-22 | 2019-06-21 | 国兴(东莞)新能源科技有限公司 | A kind of soft-package battery high vacuum microchannel de-watering apparatus |
| CN110044119A (en) * | 2019-04-15 | 2019-07-23 | 合肥华凌股份有限公司 | Heat-exchanging component and refrigeration equipment with it |
| CN110793182A (en) * | 2019-11-15 | 2020-02-14 | 河南机电职业学院 | Air conditioner core assembling equipment for automobile production |
| CN110793182B (en) * | 2019-11-15 | 2021-03-19 | 河南机电职业学院 | Air conditioner core assembling equipment for automobile production |
| CN111922218A (en) * | 2020-07-31 | 2020-11-13 | 珠海格力电器股份有限公司 | Flat pipe and fin clamping and pressing device, manufacturing method and micro-channel heat exchanger |
| CN116255839A (en) * | 2021-12-09 | 2023-06-13 | 杭州三花微通道换热器有限公司 | Heat exchanger machining method and machining device for heat exchanger |
| WO2023104162A1 (en) * | 2021-12-09 | 2023-06-15 | 杭州三花微通道换热器有限公司 | Heat exchanger processing method and heat exchanger processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103128519B (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103128519B (en) | Manufacture method of micro-channel heat exchanger and device | |
| CN102589328B (en) | Pure-countercurrent cellular plate-pin heat exchanger and combination thereof | |
| CN106890861A (en) | The method and apparatus that micro-channel heat exchanger is manufactured using cold-extrusion technology | |
| DK155467B (en) | HEAT EXCHANGER PANEL AND METHOD OF PREPARING IT | |
| CN103148718A (en) | Microchannel heat exchanger | |
| CN108857118B (en) | Processing equipment of aluminum profile water-cooling radiator | |
| CN203824391U (en) | Heat guide pipe combination structure of heat dissipater | |
| CN204011603U (en) | Flat radiator | |
| CN203479126U (en) | Braze fin aluminum flat tube used for heat exchanger | |
| CN203116579U (en) | Micro-channel high-efficiency aluminum flat pipe for air conditioner | |
| KR20120125755A (en) | Impression apparatus of baffle of header pipe for regenerator | |
| CN215864785U (en) | Clamping piece type heat exchanger | |
| CN202522118U (en) | Aluminum pipe finned heat exchanger and production mold for same | |
| CN205825777U (en) | Micro channel heat heat exchange of heat pipe | |
| CN204188029U (en) | The extraordinary special-shaped cambered surface heat exchanger in microchannel | |
| CN205843141U (en) | A kind of refrigerator concurrent flow tube side wall condenser | |
| CN210528789U (en) | High-efficient heat preservation quartz crucible forming device | |
| CN201159609Y (en) | Double-water channel wing shaped radiation fin sectional material | |
| CN215698690U (en) | Positioning tool for radiating fins | |
| CN105817849A (en) | Manufacturing technology of high-performance energy-saving environment-friendly heat exchanger | |
| CN103785994A (en) | Process for manufacturing movable condenser with distance pieces | |
| CN201081588Y (en) | Heat exchange tube fixed with radiation fins | |
| CN203758099U (en) | Plate-type evaporator used for instant freezer | |
| CN102009076B (en) | U-shaped elliptical tube processing equipment and process | |
| CN215444182U (en) | Efficient engine oil radiator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20180314 |