CN111040908A - Automatic water metering device - Google Patents
Automatic water metering device Download PDFInfo
- Publication number
- CN111040908A CN111040908A CN201911415232.2A CN201911415232A CN111040908A CN 111040908 A CN111040908 A CN 111040908A CN 201911415232 A CN201911415232 A CN 201911415232A CN 111040908 A CN111040908 A CN 111040908A
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- cantilever
- water
- rack
- metering device
- automatic water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000007921 spray Substances 0.000 claims abstract description 43
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
- C12G3/00—Preparation of other alcoholic beverages
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an automatic water measuring device which comprises a rack, a cantilever, a water spraying pipe and a power mechanism, wherein the cantilever is arranged on the rack and is of a hollow structure, a water inlet is formed in the cantilever, and one end, close to the rack, of the cantilever is closed; the water spraying pipe is horizontally arranged below the end part of the cantilever far away from the rack and is communicated with the cantilever through a connecting pipe, a rotary joint is arranged on the connecting pipe, and vertically downward spray heads are uniformly arranged on the water spraying pipe; the power mechanism is arranged on the cantilever and used for driving the spray pipe to rotate in the horizontal direction relative to the cantilever; the full process of the invention is automatic, can realize the automatic water metering of the fermented grains, compared with the traditional manual water metering, can strictly control the water metering amount according to the fermented grains, reduce the labor intensity and improve the production efficiency; meanwhile, water can be uniformly sprayed on the fermented grains through the power mechanism, the pit entry water content of the fermented grains is met, the wine quality is ensured, the improvement of the wine yield is facilitated, and the device is simple in structure and convenient to operate.
Description
Technical Field
The invention relates to the technical field of wine making, in particular to an automatic water metering device.
Background
The proportioning water is an important process link controlled in the process of brewing the white spirit, the water content of the grains is not enough to reach the water content required by cellar entry after the grains are steamed, and a certain amount of water is added to ensure the water content of the grains entering the cellar for the growth and metabolism of microorganisms, thereby ensuring the normal operation of fermentation. Therefore, the process of reasonably controlling the amount of water is a necessary condition for normal fermentation, and the moisture content of the grains entering the cellar is ensured.
The grain tank in the wine retort is poured on the ground by traditional pouring water, and the prepared water is manually sprayed on the grain tank, wherein the temperature of the water is 90 ℃. After a certain time of material moistening, the fermented grains are manually shoveled on a cooling bed by an iron shovel. Therefore, the current process steps of weighing water are mainly manually carried out, and the manual water sprinkling has the following problems: the splashing water completely depends on the experience of operators, and the splashing water is not uniform, so that the over-high or over-low water content of part of fermented grains can be caused, and the wine quality and the subsequent wine yield can be influenced; meanwhile, the labor intensity of manually pouring water is high, and the production efficiency is low.
Disclosure of Invention
The invention provides an automatic water measuring device for solving the technical problems of uneven splashing and high labor intensity of the traditional water measuring device.
The technical scheme adopted by the invention is as follows: automatic get volume water installation includes:
a frame;
the cantilever is arranged on the rack and is of a hollow structure, a water inlet is formed in the cantilever, and one end, close to the rack, of the cantilever is closed;
the water spraying pipe is horizontally arranged below the end part of the cantilever far away from the rack and is communicated with the cantilever through a connecting pipe, a rotary joint is arranged on the connecting pipe, and vertically downward spray heads are uniformly arranged on the water spraying pipe;
and the power mechanism is arranged on the cantilever and used for driving the spray pipe to rotate in the horizontal direction relative to the cantilever.
And pouring the steamed fermented grains below a water spraying pipe, introducing water into the cantilever through the water inlet, and spraying the water onto the fermented grains from a spray head on the water spraying pipe after the water reaches the water spraying pipe through the cantilever and the connecting pipe. The power mechanism drives the water spraying pipe to rotate in the horizontal direction relative to the cantilever, and water can be uniformly sprayed on the fermented grains. The full process of the invention is automatic, can realize the automatic water metering of the fermented grains, compared with the traditional manual water metering, can strictly control the water metering amount according to the fermented grains, reduce the labor intensity and improve the production efficiency; meanwhile, water can be uniformly sprayed on the fermented grains through the power mechanism, the pit entry water content of the fermented grains is met, the wine quality is ensured, the improvement of the wine yield is facilitated, and the device is simple in structure and convenient to operate.
Further, the power mechanism comprises a direct current motor speed reducer, a first gear and a second gear which are arranged on the cantilever and connected in sequence, and the second gear is arranged on the connecting pipe below the rotary joint. The direct current motor speed reducer drives the second gear to rotate through the first gear, and then drives the spray pipe to rotate; the reference circle diameter of the first gear is smaller than that of the second gear, and the gear wheel is driven by the pinion to rotate, so that the rotating speed of the spray pipe can be better adjusted. The invention adopts a gear transmission mode, so that the power output is more stable, the rotation is more stable, and the speed regulation is more convenient.
Further, the length of the nozzle is gradually increased from the connection position of the spray pipe and the connecting pipe to two sides of the spray pipe. The fermented grains are piled up on the ground in a hill shape, the thickness of the fermented grains in the middle is thick, the thickness of the fermented grains at the edges is thin, and the temperature of water entering the fermented grains for mixing is strictly controlled to improve the wine yield and is generally 90 ℃; therefore, the distance between the spray heads above the edge fermented grains and the surface of the fermented grains is longer, the retention time of the water sprayed by the spray heads above the edge fermented grains in the air is longer than that of the water sprayed by the spray heads above the middle fermented grains in the air, so that the water loses more heat in the air, the temperature of the water is reduced more when the water reaches the fermented grains, the subsequent wine yield is influenced, and the effect is more obvious particularly in winter in the north. Therefore, the length of the spray heads on the two sides of the spray pipe is longer, the defect is overcome, and the phenomenon that the temperature of the water is reduced too fast due to the fact that the water stays in the air for a longer time is avoided, and the technological level of water injection cannot be achieved.
Furthermore, the spray head is provided with an adjusting valve. The flow rate of the water can be controlled by adjusting valves according to the stacking size of the fermented grains and the amount of the water required by the fermented grains.
Furthermore, a lifting support movably connected with the rack is arranged on the rack, and the cantilever is connected with the rack through the lifting support; the lifting mechanism is used for driving the lifting support to lift in the vertical direction relative to the machine frame. The lifting mechanism can drive the lifting support to lift in the vertical direction to drive the cantilever on the lifting support to lift, and then drive the spray pipe to lift synchronously along with the cantilever. The distance from the spray head to the fermented grains can be adjusted according to different fermented grain stacks, so that excessive heat loss of water in the air is avoided, and the wine quality and the wine yield are guaranteed.
Furthermore, the lifting mechanism is a screw rod lifter, the screw rod lifter comprises a lifter arranged on the rack and a screw rod which is connected with the lifter and is vertically arranged, and a thread sleeve matched with the screw rod is arranged on the lifting support. The screw rod lifter is driven in a screw rod lifter mode, and is simple and stable in structure.
Further, a guide shaft parallel to the screw rod is arranged on the machine frame. The guide shaft can play a guide role in the lifting support, and deflection in the lifting process of the lifting support is avoided.
Furthermore, the cantilever is hinged with the lifting support; the lifting support is used for supporting the cantilever to rotate around the lifting support in the vertical direction. After the water is sprayed, the operator is required to uniformly stir the fermented grains and then shovel the fermented grains onto a cooling bed, so that the cantilever is rotated to the upper part of the rack around the rack through the rotating mechanism, a space is left for the operator to operate, and the device is prevented from colliding with the operator.
Further, the rotating mechanism comprises a winch arranged on the lifting support, a fixed pulley arranged above the winch, a pin shaft arranged on the cantilever and a steel wire rope, wherein one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with the pin shaft through the fixed pulley. The winch and the steel wire rope are used for driving, so that the driving mode is simple, the arrangement structure is simple, the operation is convenient, and the adjusting speed is high; in addition, the steel wire rope has certain pulling force to the cantilever, and the cantilever is prevented from falling down and injuring operators.
Further, a limiting block for avoiding the downward inclination of the cantilever is arranged on the lifting support, and the limiting block is arranged below the cantilever. The limiting block can ensure the level of the cantilever and prevent the cantilever from falling down or falling down to injure operators by crashing.
The invention has the beneficial effects that:
1. the full process of the invention is automatic, can realize the automatic water metering of the fermented grains, compared with the traditional manual water metering, can strictly control the water metering amount according to the fermented grains, reduce the labor intensity and improve the production efficiency; meanwhile, water can be uniformly sprayed on the fermented grains through the power mechanism, the pit entry water content of the fermented grains is met, the wine quality is ensured, the improvement of the wine yield is facilitated, and the device is simple in structure and convenient to operate.
2. The length of the spray head is gradually increased from the connection part of the spray pipe and the connecting pipe to the two sides of the spray pipe, so that the phenomenon that the temperature of water is reduced too fast due to long retention time of water in the air and the process level of water injection cannot be achieved is avoided.
3. The lifting mechanism can adjust the distance from the spray head to the fermented grains according to different fermented grain stacks, avoids excessive heat loss of water in the air, and is favorable for ensuring the quality and the yield of wine.
4. The rotating mechanism can rotate the cantilever above the rack around the rack, so that space is left for operators to operate, the device is prevented from colliding with the operators, and the safety of a production site is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic view of the cantilever of the present invention after rotation.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Labeled as:
1. a frame; 2. a cantilever; 3. a water spray pipe; 4. a connecting pipe; 5. a lifting support;
11. a guide shaft; 21. a water inlet; 22. a bearing; 31. a spray head; 32. adjusting a valve; 41. a rotary joint; 51. a threaded sleeve; 52. a limiting block; 61. a direct current motor reducer; 62. a first gear; 63. a second gear; 71. an elevator; 72. a screw rod; 81. a winch; 82. a fixed pulley; 83. a pin shaft; 84. a steel cord.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 4, the automatic water metering device of the present invention includes: a frame 1; the cantilever 2 is arranged on the rack 1, the cantilever 2 is of a hollow structure, a water inlet 21 is formed in the cantilever 2, and one end, close to the rack 1, of the cantilever 2 is closed; the spray pipe 3 is horizontally arranged below the end part of the cantilever 2 far away from the rack 1 and is communicated with the cantilever 2 through a connecting pipe 4, a rotary joint 41 is arranged on the connecting pipe 4, and vertically downward spray heads 31 are uniformly arranged on the spray pipe 3; and a power mechanism arranged on the cantilever 2 for driving the spray pipe 3 to rotate in the horizontal direction relative to the cantilever 2. The power mechanism comprises a direct current motor reducer 61, a first gear 62 and a second gear 63 which are arranged on the cantilever 2 and are connected in sequence, and the second gear 63 is arranged on the connecting pipe 4 below the rotary joint 41. The length of the nozzle 31 is gradually increased from the connection position of the spray pipe 3 and the connection pipe 4 to both sides of the spray pipe 3. The nozzle 31 is provided with an adjusting valve 32. A limiting block 52 for avoiding the downward inclination of the cantilever 2 is arranged on the lifting support 5, and the limiting block 52 is arranged below the cantilever 2. The end part of the cantilever 2 is provided with a bearing 22, the connecting pipe 4 penetrates through the bearing 22 to be connected with the water spray pipe, and the bearing 22 reduces the rotating friction force of the water spray pipe 3, so that the water spray pipe 3 can rotate more smoothly.
The working principle is as follows: and pouring the steamed fermented grains on the ground below the water spraying pipe 3, introducing water into the cantilever 2 through the water inlet 21, wherein the water reaches the water spraying pipe 3 through the cantilever 2 and the connecting pipe 4 and is sprayed onto the fermented grains from the spray head 31 on the water spraying pipe 3. The power mechanism drives the water spraying pipe 3 to rotate in the horizontal direction relative to the cantilever 2, and water can be uniformly sprayed on the fermented grains. The full process of the invention is automatic, can realize the automatic water metering of the fermented grains, compared with the traditional manual water metering, can strictly control the water metering amount according to the fermented grains, reduce the labor intensity and improve the production efficiency; meanwhile, water can be uniformly sprayed on the fermented grains through the power mechanism, the pit entry water content of the fermented grains is met, the wine quality is ensured, the improvement of the wine yield is facilitated, and the device is simple in structure and convenient to operate.
Example two:
as shown in fig. 1 to 4, the present embodiment is a further improvement based on the first embodiment. A lifting support 5 movably connected with the frame 1 is arranged on the frame 1, and the cantilever 2 is connected with the frame 1 through the lifting support 5; the lifting mechanism is used for driving the lifting support 5 to lift in the vertical direction relative to the machine frame 1. The lifting mechanism is a screw rod lifter, the screw rod lifter comprises a lifter 71 arranged on the rack 1 and a screw rod 72 which is connected with the lifter 71 and is vertically arranged, and a thread sleeve 51 matched with the screw rod 72 is arranged on the lifting support 5. The frame 1 is provided with a guide shaft 11 parallel to the screw 72.
The working principle is as follows: and pouring the steamed fermented grains on the ground below the water spraying pipe 3, and adjusting the distance from the spray head 31 to the surface of the fermented grains through a lifting mechanism according to the size of the actual fermented grain stack. The lifting mechanism can drive the lifting support 5 to lift in the vertical direction, and drives the cantilever 2 on the lifting support 5 to lift, so as to drive the spray pipe 3 to lift synchronously along with the cantilever 2. The distance from the spray head to the fermented grains can be adjusted according to different fermented grain stacks, so that excessive heat loss of water in the air is avoided, and the wine quality and the wine yield are guaranteed.
Example three:
as shown in fig. 1 to 4, the present embodiment is a further improvement based on the first embodiment. The cantilever 2 is hinged with the lifting support 5; and the device also comprises a rotating mechanism which is used for driving the cantilever 2 to rotate around the lifting support 5 in the vertical direction. The rotating mechanism comprises a winch 81 arranged on the lifting support 5, a fixed pulley 82 above the winch 81, a pin shaft 83 arranged on the cantilever 2 and a steel wire rope 84, wherein one end of the steel wire rope 84 is connected with the winch 81, and the other end of the steel wire rope 84 is connected with the pin shaft 83 through the fixed pulley 82.
The working principle is as follows: after the water is sprayed, the operator is required to uniformly stir the fermented grains and then shovel the fermented grains onto a cooling bed, so that the cantilever is rotated to the upper part of the rack around the rack through the rotating mechanism, a space is left for the operator to operate, and the device is prevented from colliding with the operator.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. Automatic beat volume water installation, its characterized in that includes:
a frame (1);
the cantilever (2) is arranged on the rack (1), the cantilever (2) is of a hollow structure, a water inlet (21) is formed in the cantilever (2), and one end, close to the rack (1), of the cantilever (2) is closed;
the water spray pipe (3) is horizontally arranged below the end part, far away from the rack (1), of the cantilever (2) and communicated with the cantilever (2) through a connecting pipe (4), a rotary joint (41) is arranged on the connecting pipe (4), and vertically downward spray heads (31) are uniformly arranged on the water spray pipe (3);
and the power mechanism is arranged on the cantilever (2) and used for driving the spray pipe (3) to rotate in the horizontal direction relative to the cantilever (2).
2. An automatic water metering device according to claim 1, characterized in that the power mechanism comprises a direct current motor reducer (61), a first gear (62) and a second gear (63) arranged on the cantilever (2) and connected in sequence, the second gear (63) being arranged on the connecting pipe (4) below the swivel joint (41).
3. An automatic water metering device according to claim 1, wherein the length of the nozzle (31) is gradually increased from the connection of the spray pipe (3) and the connection pipe (4) to both sides of the spray pipe (3).
4. Automatic water metering device according to claim 1, characterized in that the spray head (31) is provided with a regulating valve (32).
5. An automatic water metering device as recited in claim 1,
a lifting support (5) movably connected with the rack (1) is arranged on the rack (1), and the cantilever (2) is connected with the rack (1) through the lifting support (5);
the lifting mechanism is used for driving the lifting support (5) to lift in the vertical direction relative to the rack (1).
6. Automatic water metering device according to claim 5, characterized in that the lifting mechanism is a screw lift comprising a lift (71) arranged on the frame (1) and a screw (72) connected to the lift (71) and arranged vertically, the lifting support (5) being provided with a threaded sleeve (51) matching the screw (72).
7. Automatic water metering device according to claim 6, characterized in that the frame (1) is provided with a guide shaft (11) parallel to the screw (72).
8. An automatic water metering device as recited in claim 5,
the cantilever (2) is hinged with the lifting support (5);
the lifting device also comprises a rotating mechanism which is used for driving the cantilever (2) to rotate around the lifting support (5) in the vertical direction.
9. An automatic water metering device according to claim 8, wherein the rotating mechanism comprises a winding engine (81) disposed on the elevating support (5), a fixed pulley (82) disposed above the winding engine (81), a pin (83) disposed on the cantilever (2), and a wire rope (84), one end of the wire rope (84) being connected to the winding engine (81), and the other end thereof being connected to the pin (83) through the fixed pulley (82).
10. An automatic water metering device according to claim 8, characterized in that the lifting support (5) is provided with a stop (52) for preventing the cantilever (2) from tilting downwards, the stop (52) being arranged below the cantilever (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415232.2A CN111040908A (en) | 2019-12-31 | 2019-12-31 | Automatic water metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415232.2A CN111040908A (en) | 2019-12-31 | 2019-12-31 | Automatic water metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111040908A true CN111040908A (en) | 2020-04-21 |
Family
ID=70242615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415232.2A Pending CN111040908A (en) | 2019-12-31 | 2019-12-31 | Automatic water metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111040908A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068619A (en) * | 2020-09-08 | 2020-12-11 | 四川郎酒股份有限公司 | Automatic water metering system for brewed wine and control method |
| CN112522046A (en) * | 2020-12-25 | 2021-03-19 | 四川水井坊股份有限公司 | Water metering device |
| CN114371023A (en) * | 2022-01-13 | 2022-04-19 | 马鞍山钢铁股份有限公司 | Coal sampling device and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279051A (en) * | 1979-08-15 | 1981-07-21 | Malcolm Elmer L | Combination water spray and rotary brush attachment |
| CN87100289A (en) * | 1987-01-08 | 1988-10-05 | 向探真 | Pin type sprinkler during the high tower hanging cantilever |
| CN209368220U (en) * | 2018-10-12 | 2019-09-10 | 安徽金种子酒业股份有限公司 | A kind of make wine looks water installations up and down with automatic |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN211570594U (en) * | 2019-12-31 | 2020-09-25 | 泸州智通自动化设备有限公司 | Automatic water metering device |
-
2019
- 2019-12-31 CN CN201911415232.2A patent/CN111040908A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279051A (en) * | 1979-08-15 | 1981-07-21 | Malcolm Elmer L | Combination water spray and rotary brush attachment |
| CN87100289A (en) * | 1987-01-08 | 1988-10-05 | 向探真 | Pin type sprinkler during the high tower hanging cantilever |
| CN209368220U (en) * | 2018-10-12 | 2019-09-10 | 安徽金种子酒业股份有限公司 | A kind of make wine looks water installations up and down with automatic |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN211570594U (en) * | 2019-12-31 | 2020-09-25 | 泸州智通自动化设备有限公司 | Automatic water metering device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068619A (en) * | 2020-09-08 | 2020-12-11 | 四川郎酒股份有限公司 | Automatic water metering system for brewed wine and control method |
| CN112522046A (en) * | 2020-12-25 | 2021-03-19 | 四川水井坊股份有限公司 | Water metering device |
| CN114371023A (en) * | 2022-01-13 | 2022-04-19 | 马鞍山钢铁股份有限公司 | Coal sampling device and operation method thereof |
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Application publication date: 20200421 |
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| RJ01 | Rejection of invention patent application after publication |