CN202631197U - Air conditioner outdoor unit helium-filled vacuum leak detection system - Google Patents
Air conditioner outdoor unit helium-filled vacuum leak detection system Download PDFInfo
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- CN202631197U CN202631197U CN 201220171350 CN201220171350U CN202631197U CN 202631197 U CN202631197 U CN 202631197U CN 201220171350 CN201220171350 CN 201220171350 CN 201220171350 U CN201220171350 U CN 201220171350U CN 202631197 U CN202631197 U CN 202631197U
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- helium
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Abstract
The utility model relates to an air conditioner outdoor unit helium-filled vacuum leak detection system. The air conditioner outdoor unit helium-filled vacuum leak detection system comprises a tooling plate, vacuum boxes, a fore pump set, a main pump set, a leak detection set, a leak detector, a helium clearing valve, an gas release valve, and a leak detection valve. Inlets of the vacuum boxes are provided with an input channel which comprises a moving device and a speed multiplication chain conveyor belt. Outlets of the vacuum boxes are provided with an output channel which comprises a moving device and a speed multiplication chain conveyor belt. The tooling plate is arranged on the input channel, and can reach the output channel along the input channel and through the vacuum boxes. A bottom face of a cavity of each of the vacuum boxes is provided with a rolling axis connected with the input channel. The cavities of the vacuum boxes are connected with the fore pump set through a pre-pumping valve, and are connected with the main pump set through a main pumping valve. The cavities of the vacuum boxes are further connected with the leak detector through the leak detection valve. The cavities of the vacuum boxes are further connected with a gas release pipeline. The gas release valve is provided on the gas release pipeline. The cavities of the vacuum boxes are connected with a nitrogen pipeline. The helium clearing valve is provided on the nitrogen pipeline. The leak detector is connected with an alarm device. The air conditioner outdoor unit helium-filled vacuum leak detection system can guarantee the air conditioner whole machine quality.
Description
Technical field
The utility model relates to air-conditioner outdoor unit and fills the helium technical field, particularly relates to a kind of air-conditioner outdoor unit and fills the helium vacuum leak detecting system.
Background technology
Outdoor machine of air conditioner mainly contains parts such as condenser, compressor, two four-way copper pipe parts, Denso control, fan, motor and forms; When condenser, compressor, two four-way copper pipe parts etc. after production line is welded into the complete circulation system; Must carry out Leak Detection to it, to guarantee the quality of air-conditioning.In most air-conditioning production firm, the complete machine of air conditioner circulation system being detected at present, is the technology mode that adopts manual inspection, is that up to a hundred solder joints carry out detection one by one with helium mass spectrometer leak detector to tens promptly, and not only production efficiency is low, and loss is high.Helium inspection under vacuum state is also just carried out single detection to big portion article such as condensers, can't guarantee the quality of complete machine.Therefore have following problem in the prior art: the technology mode of manual inspection is adopted in (1), and labour intensity is big, and production efficiency is low; (2) technology mode of employing manual inspection, loss is high, and the quality rate of complete machine is low; (3) can only artificially distinguish and letter sorting underproof air conditioner.
Summary of the invention
The utility model technical matters to be solved provides a kind of air-conditioner outdoor unit and fills the helium vacuum leak detecting system, can guarantee the air conditioner quality.
The utility model solves the technical scheme that its technical matters adopted: provide a kind of air-conditioner outdoor unit to fill the helium vacuum leak detecting system; Comprise frock plate, vacuum tank, forepump group, main pump group, leak detection pump group, leak locator, clear helium valve, air release and the leak detector valve taken out; Said vacuum tank inlet is provided with the input channel of being made up of divide a word with a hyphen at the end of a line device and double-speed chain travelling belt, and outlet is provided with the output channel of being made up of divide a word with a hyphen at the end of a line device and double-speed chain travelling belt; Said frock plate is arranged on the input channel, and can arrive said output channel through vacuum tank along input channel; The cavity of said vacuum tank links to each other with the forepump group through taking out valve in advance, takes out the pump group and links to each other with main through the main valve of taking out; The cavity of said vacuum tank also links to each other with leak locator through leak detector valve; The cavity of said vacuum tank also links to each other with atmospheric pipe, and said atmospheric pipe is provided with air release; The cavity of said vacuum tank links to each other with nitrogen pipeline, and said nitrogen pipeline is provided with said clear helium valve; Said leak locator links to each other with warning device.
Said input channel one side is provided with and vacuumizes station; The said station that vacuumizes is provided with the interconnective evacuator and first rapid-acting coupling.
Said input channel one side also is provided with the nitrogen filling station; Said nitrogen filling station is provided with the interconnective automatic nitrogen charging device and second rapid-acting coupling.
Be provided with in the said vacuum tank and be used to detect first optoelectronic switch whether complete machine puts in place; The bottom surface of the cavity of said vacuum tank is provided with respectively the axis of rolling that joins with input channel and output channel.
Said frock plate is provided with the turnover panel recognition device; Said turnover panel recognition device comprises drop in leaf, base plate and flexible clamp piece, and said base plate is installed on the said frock plate through register pin, and said base plate links to each other with turnover panel through rotating shaft, is provided with flexible clamp piece between said turnover panel and the base plate; Said output channel is provided with bad complete machine identification control device, and said bad complete machine identification control device receives the signal of said leak locator; Said bad complete machine identification control device comprises the turnover panel cylinder, makes the bar and second optoelectronic switch; Said turnover panel cylinder links to each other with the said bar of beating through rotating shaft, and the said bar of beating is used to hit down the turnover panel on the said turnover panel recognition device; Whether said second optoelectronic switch is used to detect said frock plate and puts in place.
Said output channel rear end is provided with bad complete machine sorting equipment; Said bad complete machine sorting equipment comprises support, the 3rd optoelectronic switch and electrode, and said support is fixed on the output channel rear end, and said the 3rd optoelectronic switch and electrode are installed on the said support; Whether said the 3rd optoelectronic switch is used to detect said frock plate and puts in place; Whether the turnover panel that said electrode is used to detect on the said turnover panel recognition device is hit down.
Said vacuum tank is four.
Said input channel is provided with near switch; Saidly be used to detect the distance of frock plate apart from vacuum tank near switch, said near switch detect the frock plate near the time send signal, the shift unit of said input channel is sent into said frock plate in the empty vacuum tank.
Beneficial effect
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; Have following advantage and good effect: the utility model has been realized the complete machine technology of hunting leak automatically, has improved production efficiency greatly, and the utility model has also been realized the automatic helium inspection of complete machine under vacuum state; Reduce loss, improved the quality of complete machine.The utility model is reported to the police automatically to underproof air conditioner and is sorted, and has realized robotization, Flexible Production.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of vacuum tank in the utility model;
Fig. 3 is the structural representation of turnover panel recognition device in the utility model;
Fig. 4 is the structural representation of bad complete machine identification control device in the utility model;
Fig. 5 is a bad complete machine sorting equipment in the utility model;
Fig. 6 is the pneumatic diagram of the utility model.
Reference numeral among Fig. 6 is seen table 1:
| Code name | Title | Code name | Title | |
| PM1 | SV300 |
VZ1C | The C case is taken out valve in advance | |
| PM2 | SV300 forepump 2 | VZ2C | C case master takes out valve | |
| | SV300 forepump | 3 | VZ3C | C case leak detector valve |
| PM4 | SV300 forepump 4 | VZ4C | C case air release | |
| PM5 | SV300 master takes out |
VN1C | The clear helium valve of C case | |
| PM6 | WAU2001 master takes out sieve time pump 2 | VZ1D | The D case is taken out valve in advance | |
| PM7 | The D60C leak detection pump | VZ2D | D case master takes out valve | |
| PM8 | The WAU501 leak detection pump | VZ3D | D case leak detector valve | |
| PM9 | WAU501 leak locator pump | VZ4D | D case air release | |
| VZ1A | The A case is taken out valve in advance | VN1D | The clear helium valve of D case | |
| VZ2A | A case master takes out valve | VZ2 | Public evacuation valve | |
| VZ3A | A case leak detector valve | VZ3 | Public leak detector valve | |
| VZ4A | A case air release | VN1 | Public clear helium valve | |
| VN1A | The clear helium valve of A case | PLN1 | A case Pirani ga(u)ge | |
| VZ1B | The B case is taken out valve in advance | PLN2 | B case Pirani ga(u)ge | |
| VZ2B | B case master takes out valve | PLN3 | C case Pirani ga(u)ge | |
| VZ3B | B case leak detector valve | PLN4 | D case Pirani ga(u)ge | |
| VZ4B | B case air release | Helium leak detector | The LDS2010 leak locator | |
| VN1B | The clear helium valve of B case |
Table 1
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The utility model relates to a kind of air-conditioner outdoor unit and fills the helium vacuum leak detecting system; As shown in Figure 1; Comprise the frock plate 3, vacuum tank 1, forepump group, main pump group, leak detection pump group, leak locator 2, clear helium valve, air release and the leak detector valve taken out that are used to place air conditioner; On the said frock plate 3 air conditioner is installed, said vacuum tank 1 inlet is provided with the input channel of being made up of divide a word with a hyphen at the end of a line device 6 and double-speed chain travelling belt 74, and outlet is provided with the output channel of being made up of divide a word with a hyphen at the end of a line device 6 and double-speed chain travelling belt 75; Said frock plate 3 is arranged on the input channel 4, and can arrive said output channel 5 through vacuum tank 1 along input channel 4; The cavity of said vacuum tank 1 links to each other with the forepump group through taking out valve in advance, takes out the pump group and links to each other with main through the main valve of taking out; The cavity of said vacuum tank 1 also links to each other with leak locator 2 through leak detector valve; The cavity of said vacuum tank 1 also links to each other with atmospheric pipe, and said atmospheric pipe is provided with air release; The cavity of said vacuum tank 1 links to each other with nitrogen pipeline, and said nitrogen pipeline is provided with said clear helium valve; Said leak locator 2 links to each other with warning device 14.Said input channel 4 one sides are provided with and vacuumize station; The said station that vacuumizes is provided with the interconnective evacuator 8 and first rapid-acting coupling.Said input channel 4 one sides also are provided with the nitrogen filling station; Said nitrogen filling station is provided with the interconnective automatic nitrogen charging device 9 and second rapid-acting coupling.
Wherein, said vacuum tank 1 is four.As shown in Figure 2, be provided with in the said vacuum tank 1 and be used to detect first optoelectronic switch 103 whether complete machine puts in place.Be convex cavity 101 in the said vacuum tank 1 by 104 sealings of male seal bar; The bottom surface of said convex cavity 101 is provided with respectively the axis of rolling 102 that joins with input channel 4 and output channel 5, and said frock plate 3 can get into convex cavitys 101 through input channel 4.The both sides of said vacuum tank 1 are equipped with guide rail 106, on the said guide rail 106 vacuum chamber door 105 are installed, and said vacuum chamber door 105 is by locking cylinder 107 controls, and under the control of locking cylinder 107, said vacuum chamber door 105 can move up and down along guide rail 106.
Said frock plate 3 is provided with turnover panel recognition device 10.As shown in Figure 3; Said turnover panel recognition device 10 comprises drop in leaf 201, base plate 202 and flexible clamp piece 203; Said base plate 202 is installed on the said frock plate 3 through register pin 204; Said base plate 202 links to each other with drop in leaf 201 through rotating shaft 205, is provided with flexible clamp piece 203 between said drop in leaf 201 and the base plate 202.Said output channel 5 is provided with bad complete machine identification control device 11.As shown in Figure 4, said bad complete machine identification control device 11 receives the signal of said leak locator 2; Said bad complete machine identification control device 11 comprises turnover panel cylinder 301, makes the bar 302 and second optoelectronic switch 303; Said turnover panel cylinder 301 links to each other with the said bar 302 of beating through rotating shaft 304, and the said bar 302 of beating is used to hit down the drop in leaf 201 on the said turnover panel recognition device 10; Whether said second optoelectronic switch 303 is used to detect said frock plate 3 and puts in place.
Said input channel 4 is provided with near switch 13; Saidly be used to detect the distance of frock plate 3 apart from vacuum tank 1 near switch 13, said near switch 13 detect frock plate 3 near the time send signal, the shift unit 6 of said input channel 4 is sent into said frock plate 3 in the empty vacuum tank 1.
Said output channel 5 rear ends are provided with bad complete machine sorting equipment 12.As shown in Figure 5, said bad complete machine sorting equipment 12 comprises support 401, the 3rd optoelectronic switch 402 and electrode 403, and said support 401 is fixed on output channel 5 rear ends, and said the 3rd optoelectronic switch 402 is used to be installed in said support 401 with electrode 403; Whether said the 3rd optoelectronic switch 402 is used to detect said frock plate 3 and puts in place; Whether the turnover panel 201 that said electrode 403 is used to detect on the said turnover panel recognition device 10 is hit down.
The utility model is under vacuum state, leak hunting method and technology that complete machine outside the air conditioning chamber is carried out automatic helium leak test, and leakage detection apparatus.Simultaneously, complete machine outside the underproof air conditioning chamber is reported to the police and the technology and the device that sort automatically automatically.The utility model mainly comprises: vacuum extractor, automatically helium charging unit, turnover panel detect recognition device, complete machine is gone into an Opportunity awaiting control for linear, four casees coordinated type vacuum tanks, helium leak detector, bad complete machine warning device, bad complete machine identification control device, bad complete machine sorting equipment etc. automatically.Its production technology is following:
2.1 after the complete machine entering vacuumizes station, the rapid-acting coupling of evacuator is inserted on the air conditioner four-way valve, Automatic Extraction vacuum 10 seconds is prepared for filling helium.
2.2 after complete machine gets into the helium filling station, the rapid-acting coupling on the automatic helium charging unit is inserted on the air conditioner four-way valve, charge into helium automatically, fill helium pressure 8～12kgf/cm
2, the interior concentrations of helium of air conditioner is remained on more than 70%.
Insert on the frock plate 2.3 turnover panel is detected recognition device, dig vertical plate, the device station of dividing a word with a hyphen at the end of a line in the middle of complete machine gets into touches turnover panel near switch and detects recognition device and send signal, and a signal is gone in the request room.
2.4 four casees coordinated type vacuum tank control system are sent the room and treated a signal according to the resource priority principle, the device station of dividing a word with a hyphen at the end of a line is sent complete machine into the standby station according to signal, for the inspection of vacuum helium is prepared.
2.5 the outer formula helium leak test vacuum tank leak detection system of four casees coordinated type casees mainly contains vacuum tank A/B/C/D four casees, forepump group, mainly takes out pump group, leak detection pump group, leak locator, takes out valve, the main compositions such as valve, clear helium valve, air release and leak detector valve of taking out in advance.Four casees outer formula helium leak test vacuum tank leak detection systems of coordinated type case can be selected the working method of " single action " and " interlock "; " single action " is exactly that vacuum tank oneself carries out the vacuum leak hunting circulation; " interlock " is exactly the production vacuum leak hunting that links alternately of vacuum tank and line body; System at any time only fills and is permitted a casing and take out in advance, mainly take out and hunt leak, and system accounts for the resource priority principle to rob earlier.
Single case principle of work (is example with the A case): as shown in Figure 6, when the A case sends null signals, the complete machine of the standby station device of being divided a word with a hyphen at the end of a line ejects and moves ahead; The axis of rolling is sent into it in A case, and optoelectronic switch is located in the A case, and A case chamber door is closed; The locking cylinder lock sealing, system opens and takes out valve VZ1A in advance, and the forepump group is to casing forvacuum; When casing vacuum tightness reached 2400Pa, system closing was taken out valve VZ1A in advance, and other casings are taken out in advance.System opens the casing master again and takes out valve VZ2A, and the main pump group of taking out is led casing and vacuumized, and when casing vacuum tightness reached 60Pa, the system closing master took out valve VZ2A, and other casings is led take out.System opens casing leak detector valve VZ3A again, and leak locator begins complete machine (the leak detection standard: less than 3X10 of hunting leak
-7Pam
3/ s).Qualified like the inspection of complete machine vacuum helium, then system opens air release VZ4A venting, and venting finishes and opens chamber door; See complete machine off casing; To the double-speed chain travelling belt, system sends the qualified signal of complete machine to bad complete machine identification control device, and leak locator begins other casings are hunted leak.Defective like the inspection of complete machine vacuum helium; The system alarm lamp is reported to the police and is stopped leak detection; Open clearly that helium valve VN1A and public clear helium valve VN1 carry out towards nitrogen purge pipeline, simultaneity factor is opened air release VZ4A venting, and venting finishes and opens chamber door; Complete machine is delivered to double-speed chain travelling belt defective products identification control device station, and system sends defective signal to bad complete machine identification control device.
2.6 bad complete machine identification control device is received the signal that leak detection system sends, qualified in this way signal, and the cylinder on the identification control device will not move, and complete machine is sent into the production main line.Defective in this way signal; Cylinder on the identification control device begins to-and-fro movement; The vertical plate that turnover panel on the frock plate is detected recognition device is hit down, and complete machine frock plate continues to proceed to bad complete machine sortation process, and bad complete machine sorting equipment is not received the vertical plate signal; Promptly be judged as defective complete machine, defective complete machine is sent into the maintenance subordinate line.
Be not difficult to find that the utility model has been realized the complete machine technology of hunting leak automatically, has improved production efficiency greatly, the utility model has also been realized the automatic helium inspection of complete machine under vacuum state, has reduced loss, the quality of raising complete machine.The utility model is reported to the police automatically to underproof air conditioner and is sorted, and has realized robotization, Flexible Production.
Claims (8)
1. an air-conditioner outdoor unit fills the helium vacuum leak detecting system; Comprise frock plate (3), vacuum tank (1), forepump group, main pump group, leak detection pump group, leak locator (2), clear helium valve, air release and the leak detector valve taken out; It is characterized in that; Said vacuum tank (1) inlet is provided with the input channel of being made up of device of dividing a word with a hyphen at the end of a line (6) and double-speed chain travelling belt (7) (4), and outlet is provided with the output channel of being made up of device of dividing a word with a hyphen at the end of a line (6) and double-speed chain travelling belt (7) (5); Said frock plate (3) is arranged on the input channel (4), and can arrive said output channel (5) through vacuum tank (1) along input channel (4); The cavity (101) of said vacuum tank (1) links to each other with the forepump group through taking out valve in advance, takes out the pump group and links to each other with main through the main valve of taking out; The cavity (101) of said vacuum tank (1) also links to each other with leak locator (2) through leak detector valve; The cavity (101) of said vacuum tank (1) also links to each other with atmospheric pipe, and said atmospheric pipe is provided with air release; The cavity (101) of said vacuum tank (1) links to each other with nitrogen pipeline, and said nitrogen pipeline is provided with said clear helium valve; Said leak locator (2) links to each other with warning device (14).
2. air-conditioner outdoor unit according to claim 1 fills the helium vacuum leak detecting system, it is characterized in that, said input channel (4) one sides are provided with and vacuumize station; The said station that vacuumizes is provided with the interconnective evacuator (8) and first rapid-acting coupling.
3. air-conditioner outdoor unit according to claim 1 fills the helium vacuum leak detecting system, it is characterized in that, said input channel (4) one sides also are provided with the nitrogen filling station; Said nitrogen filling station is provided with the interconnective automatic nitrogen charging device (9) and second rapid-acting coupling.
4. air-conditioner outdoor unit according to claim 1 fills the helium vacuum leak detecting system, it is characterized in that, is provided with in the said vacuum tank (1) to be used to detect first optoelectronic switch whether complete machine puts in place; The bottom surface of the cavity (101) of said vacuum tank (1) is provided with respectively the axis of rolling (102) that joins with input channel (4) and output channel (5).
5. air-conditioner outdoor unit according to claim 1 fills the helium vacuum leak detecting system, it is characterized in that, said frock plate (3) is provided with turnover panel recognition device (10); Said turnover panel recognition device (10) comprises drop in leaf (201), base plate (202) and flexible clamp piece (203); Said base plate (202) is installed on the said frock plate (3) through register pin (204); Said base plate (202) links to each other with drop in leaf (201) through rotating shaft (205), is provided with flexible clamp piece (203) between said drop in leaf (201) and the base plate (202); Said output channel (5) is provided with bad complete machine identification control device (11), and said bad complete machine identification control device (11) receives the signal of said leak locator (2); Said bad complete machine identification control device (11) comprises turnover panel cylinder (301), makes bar (302) and second optoelectronic switch (303); Said turnover panel cylinder (301) links to each other with the said bar (302) of beating through rotating shaft (304), and the said bar (302) of beating is used to hit down the drop in leaf (201) on the said turnover panel recognition device (10); Whether said second optoelectronic switch (303) is used to detect said frock plate (3) and puts in place.
6. air-conditioner outdoor unit according to claim 5 fills the helium vacuum leak detecting system, it is characterized in that, said output channel (5) rear end is provided with bad complete machine sorting equipment (12); Said bad complete machine sorting equipment (12) comprises support (401), the 3rd optoelectronic switch (402) and electrode (403); Said support (401) is fixed on output channel (5) rear end, and said the 3rd optoelectronic switch (402) and electrode (403) are installed on the said support (401); Whether said the 3rd optoelectronic switch (402) is used to detect said frock plate (3) and puts in place; Whether the drop in leaf (201) that said electrode (403) is used to detect on the said turnover panel recognition device (10) is hit down.
7. fill the helium vacuum leak detecting system according to the described air-conditioner outdoor unit of arbitrary claim among the claim 1-6, it is characterized in that, said vacuum tank (1) is four.
8. air-conditioner outdoor unit according to claim 7 fills the helium vacuum leak detecting system, it is characterized in that, said input channel (4) is provided with near switch (13); Saidly be used to detect the distance of frock plate (3) apart from vacuum tank (1) near switch (13); Said near switch (13) detect frock plate (3) near the time send signal, the shift unit (6) of said input channel (4) is sent into said frock plate (3) in the empty vacuum tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171350 CN202631197U (en) | 2012-04-20 | 2012-04-20 | Air conditioner outdoor unit helium-filled vacuum leak detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220171350 CN202631197U (en) | 2012-04-20 | 2012-04-20 | Air conditioner outdoor unit helium-filled vacuum leak detection system |
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| Publication Number | Publication Date |
|---|---|
| CN202631197U true CN202631197U (en) | 2012-12-26 |
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|---|---|---|---|
| CN 201220171350 Expired - Fee Related CN202631197U (en) | 2012-04-20 | 2012-04-20 | Air conditioner outdoor unit helium-filled vacuum leak detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636315A (en) * | 2012-04-20 | 2012-08-15 | 上海夏普电器有限公司 | Helium-filling vacuum leakage detection system for outdoor unit of air conditioner |
| CN104062083A (en) * | 2014-06-20 | 2014-09-24 | 珠海格力电器股份有限公司 | Air conditioner leak detection system and leak detection method thereof |
| CN104236802A (en) * | 2014-08-29 | 2014-12-24 | 珠海格力电器股份有限公司 | Leakage detecting system of air conditioners |
-
2012
- 2012-04-20 CN CN 201220171350 patent/CN202631197U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636315A (en) * | 2012-04-20 | 2012-08-15 | 上海夏普电器有限公司 | Helium-filling vacuum leakage detection system for outdoor unit of air conditioner |
| CN102636315B (en) * | 2012-04-20 | 2014-12-10 | 上海夏普电器有限公司 | Helium-filling vacuum leakage detection system for outdoor unit of air conditioner |
| CN104062083A (en) * | 2014-06-20 | 2014-09-24 | 珠海格力电器股份有限公司 | Air conditioner leak detection system and leak detection method thereof |
| CN104236802A (en) * | 2014-08-29 | 2014-12-24 | 珠海格力电器股份有限公司 | Leakage detecting system of air conditioners |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121226 Termination date: 20200420 |