CN209516300U - A kind of cooling structure of CO 2 laser tube - Google Patents
A kind of cooling structure of CO 2 laser tube Download PDFInfo
- Publication number
- CN209516300U CN209516300U CN201920574463.7U CN201920574463U CN209516300U CN 209516300 U CN209516300 U CN 209516300U CN 201920574463 U CN201920574463 U CN 201920574463U CN 209516300 U CN209516300 U CN 209516300U
- Authority
- CN
- China
- Prior art keywords
- cooler bin
- cooling
- pipe
- laser tube
- water inlet
- 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.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 208000017520 skin disease Diseases 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010048768 Dermatosis Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Landscapes
- Lasers (AREA)
Abstract
The utility model discloses a kind of cooling structures of CO 2 laser tube, including CO 2 laser tube ontology and cooler bin, the lower-left Angle Position and upper right Angle Position of the CO 2 laser tube ontology are respectively arranged with water inlet pipe and outlet pipe, the bottom end of the water inlet pipe is connected with cold water inlet pipe, the bottom end of the outlet pipe is connected with hot water out pipe, the cooler bin is internally provided with cooling coil, the both ends of the cooling coil are separately connected with cold water inlet pipe and hot water out pipe, water circulating pump is sequentially installed with to CO 2 laser tube ontology direction from close to cooler bin on the cold water inlet pipe, solenoid valve and temperature sensor, the upper end of the cooler bin is equipped with radiator fan.By setting solenoid valve, temperature sensor, temperature alarm, cooling coil and radiator fan, the temperature of cooling water can not be monitored the utility model by solving existing technology, carbon dioxide laser be easy because cooling is bad burst the problem of.
Description
Technical field
The utility model relates to laser equipment technical field, specially a kind of cooling structure of CO 2 laser tube.
Background technique
Carbon dioxide laser is a kind of gas laser, and wavelength is 10.6 μm, it can allow tissue to gasify and reach treatment
Purpose, primary treatment: hyperplasic vascular dermatosis, pigmented dermatosis, malignant tumour, benign tumour or tumour, angling, hyperplasia and its
His skin disease etc., CO 2 laser tube can generate a large amount of heat at work, therefore need at work constantly to two
Carbon oxide laser pipe carries out cooling heat, and guarantees its normal work.
But the cooling structure of existing CO 2 laser tube has the disadvantage in that
1, the cooling of existing CO 2 laser tube mostly uses greatly hydronic mode, but the water body recycled
Often cooling effect is bad, and the bad cooling water of injection cooling effect certainly will will cause carbon dioxide laser ontology heat dissipation effect
It is deteriorated, eventually leads to carbon dioxide laser ontology and burst, there is certain risk.
2, the cooling water of existing CO 2 laser tube be directly discharged to cyclic water tank by stirring radiate, but
Water body often uneven heating in cyclic water tank, not can guarantee be pumped into again be low temperature cooling water, influence carbon dioxide
The cooling effect of laser.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of cooling structure of CO 2 laser tube, solves
Existing technology can not be monitored the temperature of cooling water, and carbon dioxide laser is easy because of cooling is bad asking of bursting
Topic.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of cooling knot of CO 2 laser tube
Structure, including CO 2 laser tube ontology and cooler bin, the lower-left Angle Position of the CO 2 laser tube ontology and the upper right corner
Position is respectively arranged with water inlet pipe and outlet pipe, and the bottom end of the water inlet pipe is connected with cold water inlet pipe, the bottom end of the outlet pipe
Be connected with hot water out pipe, the cooler bin be internally provided with cooling coil, the both ends of the cooling coil and cold water inlet pipe and
Hot water out pipe is separately connected, and is sequentially installed with from close to cooler bin to CO 2 laser tube ontology direction on the cold water inlet pipe
Water circulating pump, solenoid valve and temperature sensor, the upper end of the cooler bin are equipped with radiator fan, the inside peace of the cooler bin
Equipped with liquid level sensor, PLC controller is installed on the outer wall of the cooler bin, the output end of the PLC controller respectively with
The input terminal of water circulating pump, the input terminal of solenoid valve and radiator fan is electrically connected.
Preferably, the CO 2 laser tube ontology include gas-storing pipe, water cooling tube, discharge tube, muffler, anode tap and
Cathode terminal, the gas-storing pipe are internally provided with water cooling tube, and the lower-left end of the water cooling tube and the upper port of water inlet pipe connect, institute
The upper port of the upper right side and outlet pipe of stating water cooling tube connects, and the inside of water cooling tube, the muffler is arranged in the discharge tube
It is connected between discharge tube and gas-storing pipe, the one end of gas-storing pipe close to outlet pipe is arranged in the anode tap, and the cathode terminal is set
Set one end in gas-storing pipe close to water inlet pipe.
Preferably, the output end of the temperature sensor and the input terminal of PLC controller are electrically connected, the PLC control
The output end of device is connect with the input terminal for the temperature alarm being mounted on cooling box outer wall.
Preferably, the output end of the liquid level sensor and the input terminal of PLC controller are electrically connected, the PLC control
The output end of device and the input terminal for the liquid level alarm being mounted on cooling box outer wall are electrically connected.
Preferably, the side of the cooler bin is equipped with power supply, is provided with charging interface on the power supply.
Preferably, the bottom surface corner location of the cooler bin is equipped with damping spring, the bottom end installation of the damping spring
There is cushion socket.
Preferably, the upper and lower side of the cooler bin is respectively arranged with water filling port and drain valve.
(3) beneficial effect
The utility model provides a kind of cooling structure of CO 2 laser tube, have it is following the utility model has the advantages that
(1) the utility model is by setting solenoid valve, temperature sensor and temperature alarm, in use, temperature sensor
Can real-time monitoring the water temperature of cold water inlet pipe is pumped into out of cooler bin, when the water temperature value that temperature sensor monitors is super
When crossing the maximum threshold values set in PLC controller, temperature alarm will alarm under the control of PLC controller, remind processing
Personnel stop the work of CO 2 laser tube in time, simultaneously close off solenoid valve and water circulating pump, avoid CO 2 laser tube
Poor heat radiation causes CO 2 laser tube to burst, and influences to reuse, to improve CO 2 laser tube use process
In safety.
(2) the utility model is by setting cooling coil and radiator fan, in use, the lower half portion of cooling coil infiltrates
In the coolant liquid of cooler bin, heat is absorbed by coolant liquid and achievees the purpose that cool down to water body in cooling coil, is radiated simultaneously
Fan can aspirate cooling upper box part hot gas and be discharged, and quickly reduce coolant temperature and to not infiltrating the cooling coil in coolant liquid
Air-cooled temperature-reduction is carried out, so as to quickly reduce water temperature in cooling coil, improves the cooling of CO 2 laser tube ontology
Effect guarantees the normal sustainable running of CO 2 laser tube ontology.
Detailed description of the invention
Fig. 1 is the overall diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model cooler bin；
Fig. 3 is the schematic diagram of internal structure of the utility model CO 2 laser tube ontology.
Appended drawing reference in figure are as follows: 1, CO 2 laser tube ontology；2, cooler bin；3, cold water inlet pipe；4, hot water out pipe；5,
Water filling port；6, drain valve；7, water circulating pump；8, solenoid valve；9, temperature sensor；10, temperature alarm；11, cooling coil；
12, power supply；13, charging interface；14, damping spring；15, cushion socket；16, radiator fan；17, liquid level sensor；18, liquid level report
Alert device；19, gas-storing pipe；20, water cooling tube；21, discharge tube；22, muffler；23, water inlet pipe；24, outlet pipe；25, anode tap；
26, cathode terminal；27, PLC controller.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of cooling structure of CO 2 laser tube,
Including CO 2 laser tube ontology 1 and cooler bin 2, the lower-left Angle Position and upper right Angle Position of CO 2 laser tube ontology 1
It is respectively arranged with water inlet pipe 23 and outlet pipe 24, the bottom end of water inlet pipe 23 is connected with cold water inlet pipe 3, the bottom end connection of outlet pipe 24
There is hot water out pipe 4, cooler bin 2 is internally provided with cooling coil 11, and both ends and the cold water inlet pipe 3 and hot water of cooling coil 11 go out
Pipe 4 is separately connected, and is sequentially installed with recirculated water to 1 direction of CO 2 laser tube ontology from close to cooler bin 2 on cold water inlet pipe 3
Pump 7, solenoid valve 8 and temperature sensor 9, the upper end of cooler bin 2 are equipped with radiator fan 16, and the inside of cooler bin 2 is equipped with liquid
Level sensor 17,17 model UQZ-01-2000 of liquid level sensor are equipped with PLC controller 27, PLC on the outer wall of cooler bin 2
The output end of controller 27 is electrically connected with the input terminal of water circulating pump 7, the input terminal of solenoid valve 8 and radiator fan 16 respectively,
CO 2 laser tube ontology 1 includes gas-storing pipe 19, water cooling tube 20, discharge tube 21, muffler 22, anode tap 25 and cathode terminal
26, gas-storing pipe 19 is internally provided with water cooling tube 20, and the lower-left end of water cooling tube 20 is connect with the upper port of water inlet pipe 23, water cooling tube
20 upper right side is connect with the upper port of outlet pipe 24, and the inside of water cooling tube 20 is arranged in discharge tube 21, and muffler 22 is connected to
Between discharge tube 21 and gas-storing pipe 19, gas-storing pipe 19 is arranged in close to one end of outlet pipe 24 in anode tap 25, and cathode terminal 26 is arranged
In gas-storing pipe 19 close to one end of water inlet pipe 23, the output end of temperature sensor 9 electrically connects with the input terminal of PLC controller 27
It connects, the output end of 9 model PT100PLC controller 27 of temperature sensor and the temperature alarm being mounted on 2 outer wall of cooler bin
10 input terminal connection, the output end of liquid level sensor 17 and the input terminal of PLC controller 27 are electrically connected, PLC controller 27
Output end be electrically connected with the input terminal of liquid level alarm 18 being mounted on 2 outer wall of cooler bin, 27 model of PLC controller
S7-200, the side of cooler bin 2 are equipped with power supply 12, and charging interface 13, the bottom surface quadrangle position of cooler bin 2 are provided on power supply 12
It sets and damping spring 14 is installed, the bottom end of damping spring 14 is equipped with cushion socket 15, and the upper and lower side of cooler bin 2 is respectively arranged with note
The mouth of a river 5 and drain valve 6.
In use, water circulating pump 7, which is opened, by the cooling water in cooling coil 11 is pumped into cold water inlet pipe 3, by cold water into
Pipe 3 is pumped into water inlet pipe 23 and then reaches and cools down in the water cooling tube 20 in CO 2 laser tube ontology 1 to discharge tube 21,
Water body after heat absorption is delivered to hot water out pipe 4 by outlet pipe 24, then flows again into cooling coil 11, cooling coil 11
Lower half portion infiltrate in the coolant liquid of cooler bin 2, heat is absorbed by coolant liquid and reaches water body in cooling coil 11 is dropped
The purpose of temperature, while radiator fan 16 can aspirate 2 top hot gas of cooler bin and be discharged, and quickly reduce coolant temperature and to not soaking
Profit cooling coil 11 in coolant liquid carries out air-cooled temperature-reduction, while 9 real-time monitoring of temperature sensor is pumped into out of cooler bin 2
The water temperature of cold water inlet pipe 3, when the water temperature value that temperature sensor 9 monitors is more than to set most in PLC controller 27
When big threshold values, temperature alarm 10 will alarm under the control of PLC controller 27, and processing staff is reminded to stop titanium dioxide in time
The work of carbon laser tube body 1, simultaneously closes off solenoid valve 8 and water circulating pump 7, avoids the heat dissipation of CO 2 laser tube ontology 1 not
It is good to cause to burst generation danger.
It can to sum up obtain, the utility model passes through setting solenoid valve 8, temperature sensor 9, temperature alarm 10, cooling coil
11 and radiator fan 16, the temperature of cooling water can not be monitored by solving existing technology, and carbon dioxide laser is easy
Because cooling is bad to be burst the problem of.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of cooling structure of CO 2 laser tube, including CO 2 laser tube ontology (1) and cooler bin (2), special
Sign is: the lower-left Angle Position and upper right Angle Position of the CO 2 laser tube ontology (1) are respectively arranged with water inlet pipe (23)
It is connected with cold water inlet pipe (3) with the bottom end of outlet pipe (24), the water inlet pipe (23), the bottom end of the outlet pipe (24) is connected with
Hot water out pipe (4), the cooler bin (2) are internally provided with cooling coil (11), the both ends of the cooling coil (11) with it is cold
Water inlet pipe (3) and hot water out pipe (4) are separately connected, from close to cooler bin (2) to carbon dioxide laser on the cold water inlet pipe (3)
Tube body (1) direction is sequentially installed with water circulating pump (7), solenoid valve (8) and temperature sensor (9), the cooler bin (2) it is upper
End is equipped with radiator fan (16), and the inside of the cooler bin (2) is equipped with liquid level sensor (17), the cooler bin (2)
Be equipped on outer wall PLC controller (27), the output end of the PLC controller (27) respectively with water circulating pump (7), solenoid valve
(8) input terminal of input terminal and radiator fan (16) is electrically connected.
2. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the carbon dioxide
Laser tube body (1) includes gas-storing pipe (19), water cooling tube (20), discharge tube (21), muffler (22), anode tap (25) and cathode
It holds (26), the gas-storing pipe (19) is internally provided with water cooling tube (20), the lower-left end of the water cooling tube (20) and water inlet pipe
(23) upper port connection, the upper right side of the water cooling tube (20) are connect with the upper port of outlet pipe (24), the discharge tube
(21) it is arranged in the inside of water cooling tube (20), the muffler (22) is connected between discharge tube (21) and gas-storing pipe (19), institute
The one end of anode tap (25) setting in gas-storing pipe (19) close to outlet pipe (24) is stated, the cathode terminal (26) is arranged in gas-storing pipe
(19) close to the one end of water inlet pipe (23).
3. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the temperature sensing
The output end of device (9) and the input terminal of PLC controller (27) are electrically connected, the output end of the PLC controller (27) and installation
The input terminal of temperature alarm (10) on cooler bin (2) outer wall connects.
4. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the level sensing
The output end of device (17) and the input terminal of PLC controller (27) are electrically connected, the output end of the PLC controller (27) and installation
The input terminal of liquid level alarm (18) on cooler bin (2) outer wall is electrically connected.
5. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the cooler bin
(2) side is equipped with power supply (12), is provided with charging interface (13) on the power supply (12).
6. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the cooler bin
(2) bottom surface corner location is equipped with damping spring (14), and the bottom end of the damping spring (14) is equipped with cushion socket (15).
7. a kind of cooling structure of CO 2 laser tube according to claim 1, it is characterised in that: the cooler bin
(2) upper and lower side is respectively arranged with water filling port (5) and drain valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574463.7U CN209516300U (en) | 2019-04-24 | 2019-04-24 | A kind of cooling structure of CO 2 laser tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574463.7U CN209516300U (en) | 2019-04-24 | 2019-04-24 | A kind of cooling structure of CO 2 laser tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516300U true CN209516300U (en) | 2019-10-18 |
Family
ID=68188710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920574463.7U Expired - Fee Related CN209516300U (en) | 2019-04-24 | 2019-04-24 | A kind of cooling structure of CO 2 laser tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516300U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385833A (en) * | 2021-06-16 | 2021-09-14 | 金陵科技学院 | Laser cutting machine auxiliary system |
| CN115536265A (en) * | 2022-11-30 | 2022-12-30 | 南京彤天岩棉有限公司 | Cooling water flow control system and control method for rock wool production four-roller centrifugal machine |
| WO2023284894A1 (en) * | 2021-07-15 | 2023-01-19 | 成都微深科技有限公司 | Negative high-voltage laser having ultra-long discharge tube |
| WO2023284893A1 (en) * | 2021-07-15 | 2023-01-19 | 成都微深科技有限公司 | Positive high-voltage laser having super-long discharge tube |
-
2019
- 2019-04-24 CN CN201920574463.7U patent/CN209516300U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113385833A (en) * | 2021-06-16 | 2021-09-14 | 金陵科技学院 | Laser cutting machine auxiliary system |
| WO2023284894A1 (en) * | 2021-07-15 | 2023-01-19 | 成都微深科技有限公司 | Negative high-voltage laser having ultra-long discharge tube |
| WO2023284893A1 (en) * | 2021-07-15 | 2023-01-19 | 成都微深科技有限公司 | Positive high-voltage laser having super-long discharge tube |
| US20230402806A1 (en) * | 2021-07-15 | 2023-12-14 | Chengdu Weeson Tech Co., Ltd. | Positive high-voltage laser having super-long discharge tube |
| US11876336B2 (en) | 2021-07-15 | 2024-01-16 | Chengdu Weeson Tech Co., Ltd. | Positive high-voltage laser having super-long discharge tube |
| CN115536265A (en) * | 2022-11-30 | 2022-12-30 | 南京彤天岩棉有限公司 | Cooling water flow control system and control method for rock wool production four-roller centrifugal machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209516300U (en) | A kind of cooling structure of CO 2 laser tube | |
| CN108010663A (en) | A kind of automatic heat radiator of transformer | |
| CN102192819B (en) | Quick heating process for pre-service hydrostatic test of secondary side of steam generator | |
| CN206149699U (en) | Large -scale power transmitter heat abstractor | |
| CN215908011U (en) | Pressure control and liquid supplementing device of cooling system in non-stop state of wind generating set | |
| CN103573282B (en) | The liquid gaseity converter of carbon dioxide/nitrogen and converting system | |
| CN205037548U (en) | Warm boiler of energy -efficient environmental protection | |
| CN206771856U (en) | A kind of water circulation cooling device | |
| CN207282068U (en) | A kind of apparatus for demonstrating of pressurized-water reactor nuclear power plant passive residual heat removal system | |
| CN208581440U (en) | A kind of power equipment heat radiation rack | |
| CN205428625U (en) | Intelligence accuse temperature formula dry -type transformer system | |
| CN204417655U (en) | Crystal growing furnace power supply water circle device | |
| WO2020186859A1 (en) | Drawer-type cdu | |
| CN210540197U (en) | Cabin type intelligent water heating bed | |
| CN105004041B (en) | A kind of warm water device of high-efficient energy-saving environment friendly | |
| CN208519753U (en) | Supercritical water burn-out-proof dry systems device | |
| CN207318069U (en) | Environment test device | |
| CN213304576U (en) | Bottom limiting equipment convenient to adjust for laser cooler | |
| CN207929769U (en) | A kind of cooling system of milling train | |
| CN206033187U (en) | Liquid filling machine cooling water circulation system | |
| CN205283375U (en) | Cooling device of power module | |
| CN205943674U (en) | Water -cooling oil -immersed distribution transformer | |
| CN213599636U (en) | Circulative cooling tower is used in thoughtlessly revolving phenylglycine production | |
| CN204227680U (en) | The positive displacement heat-exchange inner container of electric auxiliary heating | |
| WO2018107868A1 (en) | Integrated solar panel provided with water-cooled structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |