CN211048317U - Intelligent multifunctional ice cream aging and freezing integrated machine - Google Patents
Intelligent multifunctional ice cream aging and freezing integrated machine Download PDFInfo
- Publication number
- CN211048317U CN211048317U CN201921916376.1U CN201921916376U CN211048317U CN 211048317 U CN211048317 U CN 211048317U CN 201921916376 U CN201921916376 U CN 201921916376U CN 211048317 U CN211048317 U CN 211048317U
- Authority
- CN
- China
- Prior art keywords
- ice water
- branch pipe
- ice
- controller
- compressor
- 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
- 235000015243 ice cream Nutrition 0.000 title claims abstract description 26
- 230000032683 aging Effects 0.000 title claims description 19
- 238000007710 freezing Methods 0.000 title claims description 15
- 230000008014 freezing Effects 0.000 title claims description 15
- 239000005457 ice water Substances 0.000 claims abstract description 108
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 13
- 239000003507 refrigerant Substances 0.000 claims abstract description 9
- 238000009833 condensation Methods 0.000 claims abstract description 4
- 230000005494 condensation Effects 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 235000019640 taste Nutrition 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000937413 Axia Species 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Images
Landscapes
- Confectionery (AREA)
Abstract
The utility model provides an intelligent multi-functional ice cream all-in-one that ages, congeals, includes compressor, air-cooled condenser, liquid storage pot, filter, expansion valve, a plurality of material jar, agitator, drive assembly, ice water tank, frozen water circulating pump, evaporimeter and P L C controller, the evaporimeter is located in the ice water tank, the refrigerant is carried to the bottom of evaporimeter and is got back to the compressor from the top output of evaporimeter after compression, condensation, filtration, throttle, be equipped with frozen water temperature probe in the ice water tank, the bottom of every material jar is equallyd divide and is equipped with frozen water inlet branch pipe and frozen water outlet branch pipe respectively, frozen water gets into in each material jar through frozen water circulating pump and frozen water inlet branch pipe, all is equipped with temperature probe in every material jar, P L C controller is connected with compressor, frozen water circulating pump, frozen water temperature probe, drive assembly respectively the utility model discloses the three kinds of functions that have concurrently, congeals, and be equipped with a plurality of material jars simultaneously, can make the ice cream.
Description
Technical Field
The utility model relates to a refrigeration plant technical field especially relates to an intelligent multi-functional ice cream is ageing, congeals all-in-one.
Background
The ice cream is a frozen food with expanded volume, which is prepared by taking drinking water, milk powder, cream (or vegetable oil), sugar and the like as main raw materials and adding a proper amount of food additives and carrying out processes of pulping, homogenizing, aging, congealing, heat preservation and the like, has exquisite, smooth and cool mouthfeel, and is a good summer-heat relieving product deeply popular in the summer due to inflammation. Wherein, aging is the hydration of fat, protein and stabilizer, which makes the free water in the material fully changed into combined water to prevent large ice crystal from forming during freezing; the freezing is to solidify the prepared ice cream slurry into a semi-solid state at low temperature so as to obtain an ice cream product with expansion rate and fine tissue; the incubation is the maintenance of the semi-solid state of the ice cream for a longer period of time after freezing. The existing ice cream freezing machine has the following defects: 1. the ice cream freezing machine only has a single freezing function, and two aging and heat preservation processes involved in ice cream production need to be carried out on two corresponding devices, so that the defects of more production devices, large occupied space, large capital investment and the like are caused; 2. only one material jar can not make ice cream with various tastes simultaneously. It is therefore highly desirable to improve upon this in order to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of above prior art, the utility model provides an intelligent multi-functional ice cream is ageing, congeals all-in-one.
The utility model discloses a realize through following technical scheme:
an intelligent multifunctional ice cream aging and freezing integrated machine comprises a compressor, an air condenser, a liquid storage tank, a filter, an expansion valve, a plurality of material cylinders, a stirrer arranged in the material cylinders, a driving component for driving the stirrer, an ice water tank, an ice water circulating pump, an evaporator and a P L C controller;
the material cylinder comprises an inner cylinder and an outer cylinder which are detachably connected, the stirrer is arranged in the inner cylinder, and the evaporator is arranged in the ice water tank; the refrigerant is compressed by the compressor and then enters the air condenser for condensation, the condensed refrigerant is stored in the liquid storage tank, the liquid in the liquid storage tank is filtered by the filter and then is throttled by the expansion valve, the throttled liquid is conveyed to the bottom end of the evaporator and is output from the top end of the evaporator and returned to the compressor, and the ice water temperature measuring probe is arranged in the ice water tank;
the bottom of each material cylinder is respectively provided with an ice water inlet branch pipe and an ice water outlet branch pipe, a temperature probe connected with a P L C controller is arranged in each material cylinder, ice water is filled in an ice water tank, the ice water is respectively pumped into the ice water inlet branch pipes through an ice water circulating pump and then enters each material cylinder through the ice water inlet branch pipes, and the ice water in the material cylinders flows back into the ice water tank through the ice water outlet branch pipes;
the P L C controller is respectively connected with the compressor, the ice water circulating pump, the ice water temperature measuring probe and the driving assembly.
Preferably, each ice water inlet branch pipe and each ice water outlet branch pipe are respectively provided with an ice water inlet branch pipe electromagnetic valve and an ice water outlet branch pipe electromagnetic valve, a control electromagnetic valve is arranged between the filter and the expansion valve, a water outlet main pipe electromagnetic valve is arranged between the ice water tank and the ice water circulating pump, and the ice water inlet branch pipe electromagnetic valve, the ice water outlet branch pipe electromagnetic valve, the control electromagnetic valve and the water outlet main pipe electromagnetic valve are respectively connected with the P L C controller.
Preferably, a filter is further arranged between the liquid storage tank and the expansion valve, an overflow pipe is arranged at the top of each material cylinder, and redundant ice water in the material cylinders flows back into the ice water tank through the overflow pipes.
Preferably, the top end of the material cylinder is provided with an upper cover connected with the material cylinder through an electromagnetic block, and the electromagnetic block and the ice water temperature measuring probe are respectively connected with the P L C controller.
More preferably, the driving assembly comprises a motor and a speed reducer, the motor is connected with the stirrer through the speed reducer, and the motor is connected with the P L C controller.
Most preferably, the P L C controller comprises a power switch, a temperature controller, a control indicator lamp, a time delay unit and a speed regulator, wherein the power switch is respectively connected with the temperature controller, the control indicator lamp, the time delay unit and the speed regulator, the ice water temperature measuring probe is connected with the temperature controller, the temperature controller is respectively connected with the compressor and the ice water circulating pump, the time delay unit is connected with the compressor, and the speed regulator is connected with the motor.
Compared with the prior art, the utility model provides an intelligent multi-functional ice cream is ageing, congeal and freeze the all-in-one and have ageing, congeal and freeze, three kinds of functions that keep warm concurrently, be equipped with a plurality of material jars simultaneously moreover, can make the ice cream of multiple taste simultaneously, design science, compact structure are worth popularizing and applying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic view of a refrigeration cycle according to embodiment 1 of the present invention.
In the figure:
1. a compressor; 2. an air condenser; 3. a liquid storage tank; 4. a filter; 5. an expansion valve; 6. a material cylinder; 61. an inner cylinder; 62. an outer cylinder; 63. a stirrer; 64. a temperature probe; 7. a motor; 8. an ice water tank; 81. an ice water circulating pump; 82. a main water outlet pipe electromagnetic valve; 83. an evaporator; 84. a probe for measuring the temperature of ice water; 9. and a speed reducer.
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 efforts belong to the protection scope of the present invention.
As shown in the figures 1 and 2, the intelligent multifunctional ice cream aging and congealing integrated machine comprises a compressor 1 (Shenyang Zhongsheng aircraft electromechanical Sanyo refrigeration C-3RH 322L 4AA L), an air condenser 2 (Tianjin Gaixing refrigeration equipment 4. 7/300, a fan which is YWF (K) 300-2 produced by AXIA L, (K)4E300-2), a liquid storage tank 3, a filter 4 (FY-164 produced by EXTRAK L EAN), an expansion valve 5, a plurality of material cylinders 6, a stirrer 63 (preferably an existing frame stirrer) arranged in the material cylinder 6, a driving component for driving the stirrer 63, an ice water tank 8 (preferably containing a mixed liquid of glycol and water in a volume ratio of 1: 1 as a refrigerant), an ice water circulating pump 81, an evaporator 83 (J-100 produced by Tianjin Testa food technology Co., Ltd.) and a P L C controller (stanneless fast XC3-32R-E, and a touch screen which is MT 765 TG 35-765S);
the material cylinder 6 comprises an inner cylinder 61 and an outer cylinder 62 which are detachably connected (any existing technology which can realize the detachable connection of the inner cylinder 61 and the outer cylinder 62 and is convenient for cleaning the inner wall of the inner cylinder 61 can be adopted), a stirrer 63 is arranged in the inner cylinder 61, and an evaporator 83 is arranged in the ice water tank 8; the refrigerant is compressed by the compressor 1 and then enters the air condenser 2 for condensation, the condensed refrigerant is stored in the liquid storage tank 3, the liquid in the liquid storage tank 3 is filtered by the filter 4, throttled by the expansion valve 5 and then conveyed to the bottom end of the evaporator 83, the throttled liquid is output from the top end of the evaporator 83 and returns to the compressor 1, and the ice water tank 8 is internally provided with an ice water temperature measuring probe 84;
the top of each material cylinder 6 is provided with an overflow pipe, redundant ice water in the material cylinder 6 flows back into the ice water tank 8 through the overflow pipe, the bottom of each material cylinder 6 is respectively provided with an ice water inlet branch pipe and an ice water outlet branch pipe, a temperature probe 64 connected with a P L C controller is arranged in each material cylinder 6, ice water is filled in the ice water tank 8, the ice water is respectively pumped into the ice water inlet branch pipe through an ice water circulating pump 81 and then enters each material cylinder 6 through the ice water inlet branch pipe, the ice water in the material cylinder 6 flows back into the ice water tank 8 through the ice water outlet branch pipe, each ice water inlet branch pipe and each ice water outlet branch pipe are respectively provided with an ice water inlet branch pipe electromagnetic valve and an ice water outlet branch pipe electromagnetic valve, a water outlet main pipe electromagnetic valve 82 is arranged between the ice water tank 8 and the ice water circulating pump 81, a control electromagnetic valve is arranged between the filter 4 and the expansion valve 5, and the ice water inlet branch pipe electromagnetic valves, the ice water outlet branch electromagnetic;
the P L C controller is respectively connected with the compressor 1, the ice water circulating pump 81, the ice water temperature measuring probe 84 and the driving assembly.
The simple refrigerant refrigeration that adopts of prior art, refrigerate from the beginning and can realize that the ice cream congeals and freeze and need 20min at least, and the utility model discloses only need 10min can make a plurality of material jars 6 reach the needs of congealing simultaneously. Through set up evaporimeter 83 in water ice tank 8, the utility model discloses both can reach ageing required temperature 2-4 ℃, can reach congeal required temperature 5-8 ℃ under the assistance of agitator 63 again, can also realize the temperature 5-8 ℃ that heat preservation needs, have ageing concurrently, congeal, the triple function that keeps warm, consequently both can carry out the preparation of the ice cream of multiple taste simultaneously.
Preferably, the top end of the material cylinder 6 is provided with an upper cover connected with the material cylinder 6 through an electromagnetic block, the electromagnetic block and the ice water temperature measuring probe are respectively connected with a P L C controller, the driving assembly comprises a motor 7 Chengbang precision motor 61K250RA-CF and a speed reducer 9 (Hangzhou constant pitch speed reducer NMRV-1521), the motor 7 is connected with the stirrer 63 through the speed reducer 9, and the motor 7 is connected with the P L C controller.
Further preferably, the P L C controller comprises a power switch (a large and button CEU L-24V/R), a temperature controller (Xinasia NA810A), a control indicator lamp (Shanghai worker Sen electrical appliance AD15-16C), a time delay unit (0-60 minutes delay in the production of Jinnanlin remote electrical appliances) and a speed regulator (Sanbang precision motor UX6250-02), the power switch is respectively connected with the temperature controller, the control indicator lamp, the time delay unit and the speed regulator, the ice water temperature measuring probe 84 is connected with the temperature controller, the temperature controller is respectively connected with the compressor 1 and the ice water circulating pump 81, the time delay unit is connected with the compressor 1, and the speed regulator is connected with the motor 7.
After a power switch is turned on, the ice water temperature measuring probe 84 immediately feeds the temperature in the ice water tank 8 back to the temperature controller, the temperature controller turns on the compressor 1 and the ice water circulating pump 81, a refrigerant is compressed by the compressor 1 and condensed by the air condenser 2 and then stored in the liquid storage tank 3, liquid in the liquid storage tank 3 is firstly filtered by the filter 4, is throttled by the expansion valve 5 and then is conveyed to the bottom end of the evaporator 64 and is output from the top end of the evaporator 64 to realize refrigeration, and ice water in the ice water tank 8 enters each material cylinder 6 through the ice water inlet branch pipe by the ice water circulating pump 81 and finally flows back into the ice water tank 8 through the ice water outlet branch pipe. The temperature controller is internally provided with an upper temperature limit and a lower temperature limit in advance, and if the upper temperature limit is exceeded, the temperature controller repeats the operation; if the temperature is lower than the lower temperature limit, the temperature controller turns off the water pump 81 and the compressor 1. In addition, the opening of the compressor 1 can be controlled by a mechanical delayer, and the working frequency of the motor 7 is controlled by a speed regulator, so that the aim of controlling the stirring speed is fulfilled. Compared with the prior art, the utility model discloses an intelligent degree is higher, and the operation is simpler.
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. The component structures or the connection modes not described in detail in the present invention are the prior art.
Claims (6)
1. An intelligent multifunctional ice cream aging and freezing integrated machine is characterized by comprising a compressor (1), an air condenser (2), a liquid storage tank (3), a filter (4), an expansion valve (5), a plurality of material cylinders (6), a stirrer (63) arranged in the material cylinders (6), a driving component for driving the stirrer (63), an ice water tank (8), an ice water circulating pump (81), an evaporator (83) and a P L C controller;
the material cylinder (6) comprises an inner cylinder (61) and an outer cylinder (62) which are detachably connected, a stirrer (63) is arranged in the inner cylinder (61), and an evaporator (83) is arranged in the ice water tank (8); a refrigerant is compressed by a compressor (1), then enters an air condenser (2) for condensation, is stored in a liquid storage tank (3) after being condensed, is filtered by a filter (4), is throttled by an expansion valve (5), is conveyed to the bottom end of an evaporator (83), and is output from the top end of the evaporator (83) back to the compressor (1), and an ice water temperature measuring probe (84) is arranged in an ice water tank (8);
the bottom of each material cylinder (6) is respectively provided with an ice water inlet branch pipe and an ice water outlet branch pipe, a temperature probe (64) connected with the P L C controller is arranged in each material cylinder (6), ice water is filled in an ice water tank (8), the ice water is respectively pumped into the ice water inlet branch pipe through an ice water circulating pump (81) and then enters each material cylinder (6) through the ice water inlet branch pipe, and the ice water in the material cylinder (6) flows back into the ice water tank (8) through the ice water outlet branch pipe;
the P L C controller is respectively connected with the compressor (1), the ice water circulating pump (81), the ice water temperature measuring probe (84) and the driving assembly.
2. The intelligent multifunctional ice cream aging and freezing all-in-one machine as claimed in claim 1, wherein each ice water inlet branch pipe and each ice water outlet branch pipe are respectively provided with an ice water inlet branch pipe electromagnetic valve and an ice water outlet branch pipe electromagnetic valve, a water outlet main pipe electromagnetic valve (82) is arranged between an ice water tank (8) and an ice water circulating pump (81), a control electromagnetic valve is arranged between a filter (4) and an expansion valve (5), and the ice water inlet branch pipe electromagnetic valve, the ice water outlet branch pipe electromagnetic valve, the control electromagnetic valve and the water outlet main pipe electromagnetic valve (82) are respectively connected with the P L C controller.
3. The intelligent multifunctional ice cream aging and freezing all-in-one machine according to claim 1, wherein: the top of each material cylinder (6) is provided with an overflow pipe, and redundant ice water in the material cylinders (6) flows back to the ice water tank (8) through the overflow pipes.
4. The intelligent multifunctional ice cream aging and freezing all-in-one machine according to claim 1, wherein an upper cover connected with the material cylinder (6) through an electromagnetic block is arranged at the top end of the material cylinder (6), and the electromagnetic block and the ice water temperature measuring probe are respectively connected with the P L C controller.
5. An intelligent multifunctional ice cream aging and freezing all-in-one machine according to any one of claims 1 to 4, wherein the driving assembly comprises a motor (7) and a speed reducer (9), the motor (7) is connected with the stirrer (63) through the speed reducer (9), and the motor (7) is connected with the P L C controller.
6. The intelligent multifunctional ice cream aging and freezing all-in-one machine as claimed in claim 5, wherein the P L C controller comprises a power switch, a temperature controller, a control indicator light, a time delay unit and a speed regulator, the power switch is respectively connected with the temperature controller, the control indicator light, the time delay unit and the speed regulator, an ice water temperature measuring probe (84) is connected with the temperature controller, the temperature controller is respectively connected with a compressor (1) and an ice water circulating pump (81), the time delay unit is connected with the compressor (1), and the speed regulator is connected with a motor (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921916376.1U CN211048317U (en) | 2019-11-08 | 2019-11-08 | Intelligent multifunctional ice cream aging and freezing integrated machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921916376.1U CN211048317U (en) | 2019-11-08 | 2019-11-08 | Intelligent multifunctional ice cream aging and freezing integrated machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211048317U true CN211048317U (en) | 2020-07-21 |
Family
ID=71582782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921916376.1U Expired - Fee Related CN211048317U (en) | 2019-11-08 | 2019-11-08 | Intelligent multifunctional ice cream aging and freezing integrated machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211048317U (en) |
-
2019
- 2019-11-08 CN CN201921916376.1U patent/CN211048317U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN2935824Y (en) | Ice-cream and ice-sucker machine with nationality flavour | |
CN203262198U (en) | Ice cream machine | |
CN211048318U (en) | Intelligent ice cream aging and freezing integrated machine | |
CN211048317U (en) | Intelligent multifunctional ice cream aging and freezing integrated machine | |
WO2006020202A2 (en) | System and method for manufacturing frozen edible products | |
CN110692798A (en) | Intelligent ice cream aging and freezing integrated machine | |
CN206324619U (en) | A kind of multifunctional water fruit squazzer | |
CN110651881A (en) | Intelligent multifunctional ice cream aging and freezing integrated machine | |
CN200996762Y (en) | Ice-making improved device from snowflake | |
JP2007054004A (en) | Frozen dessert producing apparatus | |
CN101305764B (en) | Soft ice-cream machine | |
CN206433686U (en) | A kind of mini Ice-cream machine | |
CN201199892Y (en) | Ice-cream machine with unit for storing ice-cream supplementary material | |
CN218422223U (en) | Beef foam low temperature mixer | |
CN215381245U (en) | Improved ice cream machine | |
CN216367527U (en) | Agitating unit of imitative crab meat stick production | |
CN201004981Y (en) | Soft ice cream machine | |
CN2558222Y (en) | Horizontal pushing stirring discharging device of vertical stirring tank for food freezing bulking | |
CN212728686U (en) | Ice cream machine | |
CN2696333Y (en) | Proportioner especially for preparing ice-cream | |
CN210861877U (en) | Nitraria sibirica pall anthocyanin refrigerating plant | |
CN114982856A (en) | Material beating device for independent refrigeration material beating system and control system thereof | |
CN2297690Y (en) | Refrigerator for preparing ice-cream cold drink | |
CN1200245A (en) | Method for producing puff ice-cream | |
CN207626213U (en) | A kind of small-sized integrated sorbet ice lolly machine |
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: 20200721 |