CN212898851U - Water-cooling cylinder air compressor machine with automatically regulated function - Google Patents
Water-cooling cylinder air compressor machine with automatically regulated function Download PDFInfo
- Publication number
- CN212898851U CN212898851U CN202021440389.9U CN202021440389U CN212898851U CN 212898851 U CN212898851 U CN 212898851U CN 202021440389 U CN202021440389 U CN 202021440389U CN 212898851 U CN212898851 U CN 212898851U
- Authority
- CN
- China
- Prior art keywords
- water
- wall
- air compressor
- cooling
- box
- 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 88
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims description 14
- 229920005989 resin Polymers 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 11
- 238000001802 infusion Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 9
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 11
- 238000005265 energy consumption Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Images
Landscapes
- Compressor (AREA)
Abstract
The utility model provides a water-cooling cylinder air compressor with automatic regulating function, belonging to the technical field of automatic regulating water-cooling cylinder, comprising an air compressor; the outer wall of the bottom end of the air compressor is connected with a supporting seat through a bolt; the outer wall of the top end of the supporting seat is connected with a temperature adjusting box and a water cooling box through bolts; the inner wall of the top end of the water cooling tank is connected with a tank cover through threads. The utility model discloses a set up temperature regulation case and water-cooling tank on the supporting seat and set up transfer line and a plurality of cooling tube between the two, realized that the cyclic utilization water resource carries out water-cooled purpose, opening device, the cooling water advances temperature regulation case through the cooling tube flow from the water-cooling tank, the in-process is for the air compressor cooling, during closing device, the drawing liquid pump operation passes through the transfer line with the water in the temperature regulation case and carries the water-cooling tank in for the cooling water can cyclic utilization, the water economy resource.
Description
Technical Field
The utility model belongs to the technical field of the automatically regulated water-cooling jar, concretely relates to water-cooling cylinder body air compressor machine with automatically regulated function.
Background
Air compressor is by motor direct drive compressor, make the bent axle produce rotary motion, it makes the piston produce reciprocating motion to drive the connecting rod, cause the cylinder volume to change, because the change of pressure in the cylinder, make air pass through air cleaner (silencer) entering cylinder through the admission valve, in compression stroke, because the reduction of cylinder volume, compressed air passes through discharge valve's effect, through the blast pipe, check valve (check valve) gets into the gas holder, the air can be a clean energy, most people's selection, at present, among the prior art, air compressor's liquid cooling system generally can not recycle, and all can waste a large amount of water resources at every turn use, consequently, need a water-cooling cylinder body air compressor machine with automatically regulated function urgently.
Through the search discovery, disclose a water-cooling cylinder body air compressor machine with automatically regulated function in the chinese patent that the publication number is CN210317674U, including air compressor machine body and cooler bin, the top of air compressor machine body and the bottom fixed connection of cooler bin, the bottom fixedly connected with fly leaf of air compressor machine body to the middle part of fly leaf bottom is rotated and is connected with the axis of rotation, the bottom fixedly connected with adjusting box of axis of rotation.
But above-mentioned technical scheme is owing to only set up air compressor machine body, cooler bin, fly leaf. The rotating shaft and the adjusting box have the problems that a liquid cooling system of the air compressor cannot be recycled, a large amount of water resources are wasted in each use, and the use cost of the air compressor is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water-cooling cylinder body air compressor machine with automatically regulated function, the liquid cooling system who aims at solving air compressor among the prior art can not recycle, and uses at every turn and all can waste a large amount of water resources, influences air compressor's use cost's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a water-cooled cylinder air compressor with automatic regulating function, including the air compressor; the outer wall of the bottom end of the air compressor is connected with a supporting seat through a bolt; the outer wall of the top end of the supporting seat is connected with a temperature adjusting box and a water cooling box through bolts; the inner wall of the top end of the water cooling tank is connected with a tank cover through threads; a liquid conveying pipe and cooling pipes which are uniformly distributed are arranged between the temperature regulating box and the water cooling box; the number of the cooling pipes is more than two; the outer wall of one end of the middle part of the infusion tube is connected with a water pump through a bolt; the outer wall of the top end of the air compressor is connected with a temperature sensor through a screw; a control unit is arranged in the air compressor; the water suction pump and the temperature sensor are both electrically connected with the internal control unit.
In order to realize the automatic adjusting function of the air compressor, as a preferred mode of the utility model, the inner wall of the bottom end of the water cooling tank is connected with a waterproof box through a bolt; the inner wall of the top end of the waterproof box is connected with an electric push rod through a sealing bearing; the outer wall of one side of the output shaft of the electric push rod is connected with a movable baffle through a bolt; the electric push rod is electrically connected with the internal control unit.
In order to prevent the circulating liquid cooling system from being blocked, as a preferred mode of the utility model, the softening box is welded on the outer wall of the periphery of the middle part of the cooling pipe; the inner wall all around of softening case is provided with the resin filter.
In order to save energy consumption while protecting the air compressor, as a preferred mode of the utility model, the outer wall of the bottom end of the supporting seat is welded with an air storage tank; the outer wall of one side of the air storage tank is connected with an air gun head through a bolt.
In order to facilitate the transportation of the air compressor, as a preferred mode of the utility model, the outer wall of one end of the air storage tank is welded with a roller component and a push rod; the outer wall of one side of the push rod is provided with a friction pad.
In order to diversify the functions of the air compressor, as a preferred choice of the utility model, the outer wall of the other end of the air storage tank is welded with a pressure pipe; the outer wall of one side of the pressure pipe is connected with a pressure meter through a screw.
In order to ensure the effect of softening water and save cost, the utility model is preferably used, the outer wall of one end of the transfusion tube is connected with a salt box through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up temperature regulation case and water-cooling tank on the supporting seat and set up transfer line and a plurality of cooling tube between the two, and surround air compressor, the all-round purpose to air compressor water-cooling has been realized, opening device, the cooling water advances temperature regulation case through the cooling tube flow from the water-cooling tank, the liquid pump operation passes through the transfer line with the water in the temperature regulation case and carries the water-cooling tank in, the in-process is cooled down for air compressor, make air compressor top and all reach the effect of liquid cooling all around, the effect of air compressor liquid cooling is improved.
2. The utility model discloses a set up temperature sensor on air compressor and set up electric putter in the water-cooling tank, movable baffle, the purpose of hierarchical regulation air compressor temperature has been realized, when the temperature is not high, movable baffle only communicates a cooling tube under electric putter's effect, when the temperature risees, and then the cooling tube that the electric putter operation increased the intercommunication, when the temperature reduces, electric putter shrink reduces the cooling tube of intercommunication, hierarchical regulation air compressor's temperature, reduce the energy consumption in the time of further water economy resource.
3. The utility model discloses a set up a plurality of softening boxes on salt box and a plurality of cooling tube of setting up on the transfer line, reached the effect that air compressor liquid cooling system hydrologic cycle can not block easily, all contain a resin filter layer in a plurality of softening boxes, can not influence other softening boxes when the resin filter layer in one of them softening box damages for each softens case mutually independent's work, has improved the quality of product.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the subjective structure of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic sectional view of the water cooling tank of the present invention;
FIG. 4 is a schematic sectional view of the softening tank of the present invention;
fig. 5 is a schematic circuit flow diagram of the present invention;
in the figure: 1-an air compressor; 2-temperature regulating box; 3-a support seat; 4-air gun head; 5-a gas storage tank; 6-roller assembly; 7-a push rod; 8-pressure tube; 9-a water cooling tank; 10-a box cover; 11-a pressure meter; 12-a temperature sensor; 13-a water pump; 14-a transfusion tube; 15-a cooling tube; 16-a softening box; 17-a salt box; 18-a waterproof box; 19-an electric push rod; 20-moving the baffle; 21-resin filter plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the water-cooling cylinder air compressor with the automatic adjusting function comprises an air compressor 1; the outer wall of the bottom end of the air compressor 1 is connected with a supporting seat 3 through a bolt; the outer wall of the top end of the supporting seat 3 is connected with a temperature adjusting box 2 and a water cooling box 9 through bolts; the inner wall of the top end of the water cooling tank 9 is connected with a tank cover 10 through threads; a liquid conveying pipe 14 and cooling pipes 15 which are uniformly distributed are arranged between the temperature adjusting box 2 and the water cooling box 9; the number of the cooling pipes 15 is more than two; the outer wall of one end of the middle part of the infusion tube 14 is connected with a water pump 13 through a bolt; the outer wall of the top end of the air compressor 1 is connected with a temperature sensor 12 through a screw; a control unit is arranged in the air compressor 1; the water pump 13 and the temperature sensor 12 are both electrically connected with the internal control unit.
The utility model discloses an in the concrete embodiment, open case lid 10, to adding the cooling water in the water-cooling tank 9, opening device, the operation of the air compressor 1 on the supporting seat 3 produces the heat, and temperature sensor 12 signals, cooling water flow into temperature regulation case 2 through cooling tube 15 from the water-cooling tank 9, in-process for the cooling of air compressor 1, the utility model discloses the quantity of preferred cooling tube 15 is three to six, and during closing device, during liquid suction pump 13 operation carried the water in the temperature regulation case 2 to the water-cooling tank 9 through transfer line 14, realized the cyclic utilization of cooling water, resources are saved.
Specifically, the inner wall of the bottom end of the water cooling tank 9 is connected with a waterproof box 18 through a bolt; the inner wall of the top end of the waterproof box 18 is connected with an electric push rod 19 through a sealing bearing; the outer wall of one side of the output shaft of the electric push rod 19 is connected with a movable baffle plate 20 through a bolt; the electric push rod 19 is electrically connected with the internal control unit.
In this embodiment: according to the signal that temperature sensor 12 sent, when the temperature is not high, movable baffle 20 only communicates a cooling tube 15 under electric putter 19's effect, when the temperature rose, and then electric putter 19 operation increases the cooling tube 15 of intercommunication, and when the temperature reduced, electric putter 19 shrink reduced the cooling tube 15 of intercommunication, and the temperature of hierarchical regulation air compressor 1 reduces the energy consumption when further the water economy resource, and waterproof box 18 and sealed bearing make electric putter 19 can accomplish underwater work smoothly.
Specifically, the outer walls of the periphery of the middle part of the cooling pipe 15 are welded with a softening box 16; the inner wall of the softening box 16 is provided with a resin filter plate 21.
In this embodiment: in order to prevent the liquid cooling system of the air compressor 1 from being blocked due to water hardening after being used for multiple times and affecting the liquid cooling effect, the resin filter plate 21 in the softening tank 16 can separate calcium and magnesium ions in hard water, so that the water softening cannot cause blocking, and the service life of the product is prolonged.
Specifically, an air storage tank 5 is welded on the outer wall of the bottom end of the supporting seat 3; the outer wall of one side of the air storage tank 5 is connected with an air gun head 4 through a bolt.
In this embodiment: the air storage tank 5 can store air energy, the air storage tank 5 can perform emergency treatment when the air compressor 1 breaks down, the air compressor 1 is enabled to be more energy-saving, and the air gun head 4 releases the air energy in the air storage tank 5.
Specifically, the outer wall of one end of the gas storage tank 5 is welded with a roller assembly 6 and a push rod 7; a friction pad is arranged on the outer wall of one side of the push rod 7.
In this embodiment: the push rod 7 is lifted, the roller assembly 6 is moved through the push rod 7, so that the liquid cooling air compressor is moved, the transportation is convenient and fast, and the friction pad can enable the air compressor 1 to be stable and not to move when the air compressor runs.
Specifically, a pressure pipe 8 is welded on the outer wall of the other end of the gas storage tank 5; the outer wall of one side of the pressure pipe 8 is connected with a pressure meter 11 through a screw.
In this embodiment: the air in the air storage tank 5 can be represented in the pressure gauge 11 through the pressure pipe 8, so that the device is more flexible.
Specifically, the outer wall of one end of the infusion tube 14 is connected with a salt box 17 through a bolt.
In this embodiment: the resin filter 21 in the softening box 16 can influence the softening effect after being used for a plurality of times, salt and water in the salt box 17 are mixed together when the liquid backflow water cooling box 9 is used, and when water cooling is performed next time, sodium ions in the salt can repair the resin filter 21 so that the resin filter 21 can be recycled, and the cost is reduced.
The utility model discloses a theory of operation and use flow: when the cooling device is used, various power supplies of electric equipment are turned on, the box cover 10 is opened, cooling water is added into the water cooling box 9, the device is opened, the air compressor 1 on the supporting seat 3 is operated to generate heat, the temperature sensor 12 sends a signal, the cooling water flows into the temperature adjusting box 2 from the water cooling box 9 through the cooling pipe 15, and the air compressor 1 is cooled in the process, the number of the cooling pipes 15 which is optimized by the cooling device is three to six, when the device is closed, the liquid pump 13 operates to convey the water in the temperature adjusting box 2 into the water cooling box 9 through the liquid conveying pipe 14, so that the circulation utilization of the cooling water is realized, resources are saved, according to the signal sent by the temperature sensor 12, the movable baffle plate 20 is only communicated with one cooling pipe 15 under the action of the electric push rod 19 when the temperature is low, when the temperature is increased, and further the electric push rod 19 operates to increase the communicated, the electric push rod 19 contracts, the communicated cooling pipe 15 is reduced, the temperature of the air compressor 1 is regulated in a grading way, the energy consumption is reduced while the water resource is further saved, the electric push rod 19 can smoothly complete underwater work through the waterproof box 18 and the sealed bearing, in order to prevent the liquid cooling system of the air compressor 1 from being blocked due to water hardening after being used for multiple times and influence the liquid cooling effect, the resin filter plate 21 in the softening box 16 can separate calcium and magnesium ions in hard water, so that the water quality can be softened without blocking, the service life of a product is prolonged, the air storage tank 5 can store air energy, the air storage tank 5 can carry out emergency treatment when the air compressor 1 breaks down, meanwhile, the air compressor 1 is more energy-saving, the air gun head 4 releases the air energy in the air storage tank 5, the push rod lifts up 7, the roller component 6 is moved through the push rod 7, and, transportation convenient and fast, the friction pad can make air compressor 1 move when operation steadily can not remove, the air in the gas holder 5 can show in pressure gauge 11 through pressure pipe 8 for the device is more nimble, resin filter 21 in the softening box 16 can influence the softening effect after repetitious usage, salt and water in the salt box 17 are in the same place when in liquid reflux water-cooling case 9, when water-cooling next time, the sodium ion in the salt can be restoreed resin filter 21 and make resin filter 21 can cyclic utilization, reduce cost.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a water-cooling cylinder body air compressor machine with automatically regulated function which characterized in that: comprises an air compressor (1); the outer wall of the bottom end of the air compressor (1) is connected with a supporting seat (3) through a bolt; the outer wall of the top end of the supporting seat (3) is connected with a temperature adjusting box (2) and a water cooling box (9) through bolts; the inner wall of the top end of the water cooling tank (9) is connected with a tank cover (10) through threads; a liquid conveying pipe (14) and cooling pipes (15) which are uniformly distributed are arranged between the temperature adjusting box (2) and the water cooling box (9); the number of the cooling pipes (15) is more than two; the outer wall of one end of the middle part of the infusion tube (14) is connected with a water pump (13) through a bolt; the outer wall of the top end of the air compressor (1) is connected with a temperature sensor (12) through a screw; a control unit is arranged in the air compressor (1); the water pump (13) and the temperature sensor (12) are electrically connected with the internal control unit.
2. The water-cooled cylinder air compressor with the automatic regulating function of claim 1, characterized in that: the inner wall of the bottom end of the water cooling box (9) is connected with a waterproof box (18) through bolts; the inner wall of the top end of the waterproof box (18) is connected with an electric push rod (19) through a sealing bearing; the outer wall of one side of the output shaft of the electric push rod (19) is connected with a movable baffle plate (20) through a bolt; the electric push rod (19) is electrically connected with the internal control unit.
3. The water-cooled cylinder air compressor with the automatic regulating function of claim 1, characterized in that: the outer walls of the periphery of the middle part of the cooling pipe (15) are welded with a softening box (16); the inner wall of the periphery of the softening box (16) is provided with a resin filter plate (21).
4. The water-cooled cylinder air compressor with the automatic regulating function of claim 1, characterized in that: the outer wall of the bottom end of the supporting seat (3) is welded with an air storage tank (5); the outer wall of one side of the air storage tank (5) is connected with an air gun head (4) through a bolt.
5. The water-cooled cylinder air compressor with the automatic regulating function of claim 4, characterized in that: the outer wall of one end of the gas storage tank (5) is welded with a roller assembly (6) and a push rod (7); a friction pad is arranged on the outer wall of one side of the push rod (7).
6. The water-cooled cylinder air compressor with the automatic regulating function of claim 5, characterized in that: the outer wall of the other end of the gas storage tank (5) is welded with a pressure pipe (8); the outer wall of one side of the pressure pipe (8) is connected with a pressure meter (11) through a screw.
7. The water-cooled cylinder air compressor with the automatic regulating function of claim 1, characterized in that: the outer wall of one end of the infusion tube (14) is connected with a salt box (17) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440389.9U CN212898851U (en) | 2020-07-21 | 2020-07-21 | Water-cooling cylinder air compressor machine with automatically regulated function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440389.9U CN212898851U (en) | 2020-07-21 | 2020-07-21 | Water-cooling cylinder air compressor machine with automatically regulated function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212898851U true CN212898851U (en) | 2021-04-06 |
Family
ID=75289449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021440389.9U Expired - Fee Related CN212898851U (en) | 2020-07-21 | 2020-07-21 | Water-cooling cylinder air compressor machine with automatically regulated function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212898851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417835A (en) * | 2021-07-09 | 2021-09-21 | 泰州捷能动力科技有限公司 | Water-cooling cylinder air compressor machine with automatically regulated function |
-
2020
- 2020-07-21 CN CN202021440389.9U patent/CN212898851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417835A (en) * | 2021-07-09 | 2021-09-21 | 泰州捷能动力科技有限公司 | Water-cooling cylinder air compressor machine with automatically regulated function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208305658U (en) | A kind of accumulator housing injection mold | |
| CN212898851U (en) | Water-cooling cylinder air compressor machine with automatically regulated function | |
| CN207233399U (en) | A kind of integrated heap of the tank containing Toxic | |
| CN103234372A (en) | Combined closed cooling tower | |
| CN211578814U (en) | Battery pack cooling system of pure electric rear-loading type compression garbage truck | |
| CN213775650U (en) | Cooling mechanism for air compressor | |
| CN211530529U (en) | Regulator cubicle cooling system with temperature detects | |
| CN207441786U (en) | A kind of battery cell case | |
| CN215170636U (en) | Air compressor machine with high-efficient heat dissipation function | |
| CN209041062U (en) | A kind of air compressor machine water-cooled cylinder structure | |
| CN210321278U (en) | Condensing equipment is used in antisludging agent production | |
| CN204532747U (en) | A kind of new type compressor | |
| CN215243121U (en) | Environment-friendly energy-saving screw machine | |
| CN217768510U (en) | Water-cooled battery heat dissipation box with cooling liquid convenient to replace | |
| CN218565588U (en) | Heat exchange system of water cooling air conditioner | |
| CN212786386U (en) | Electric appliance cabinet with exhaust control device | |
| CN209329108U (en) | A kind of battery cell case with heat sinking function | |
| CN207729855U (en) | A kind of novel injection molding cooling-water machine | |
| CN221071460U (en) | Intelligent drainage device in fermentation tank | |
| CN211552097U (en) | Screw cooling device | |
| CN211929669U (en) | Quick radiating lithium cell | |
| CN218780468U (en) | Symmetrically-distributed oxygen generation compressor shell | |
| CN218177473U (en) | Damping and noise-reducing base for Roots vacuum pump | |
| CN214892704U (en) | Exhaust waste heat sprays recycle device | |
| CN212454748U (en) | Heat recovery device for air compressor of foundry plant |
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: 20210406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |