CN114600618B - Fertilizing and irrigating device for wheat planting - Google Patents

Fertilizing and irrigating device for wheat planting Download PDF

Info

Publication number
CN114600618B
CN114600618B CN202210503368.4A CN202210503368A CN114600618B CN 114600618 B CN114600618 B CN 114600618B CN 202210503368 A CN202210503368 A CN 202210503368A CN 114600618 B CN114600618 B CN 114600618B
Authority
CN
China
Prior art keywords
pipe
regulating
arc
fixedly connected
irrigation
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.)
Active
Application number
CN202210503368.4A
Other languages
Chinese (zh)
Other versions
CN114600618A (en
Inventor
杨习文
靳海洋
张均
李�杰
贺德先
周苏玫
宋淼
黄源
马文奇
韩亚倩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Agricultural University
Original Assignee
Henan Agricultural University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Agricultural University filed Critical Henan Agricultural University
Priority to CN202210503368.4A priority Critical patent/CN114600618B/en
Publication of CN114600618A publication Critical patent/CN114600618A/en
Application granted granted Critical
Publication of CN114600618B publication Critical patent/CN114600618B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042Adding fertiliser to watering systems
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/007Metering or regulating systems

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fertilizing (AREA)

Abstract

The utility model relates to a fertilization irrigation device for wheat planting, which comprises a storage box and a regulating pipe, wherein the upper side of the storage box is provided with a left interface and a right interface, the left end and the right end of the regulating pipe are respectively provided with an opening, the left end of the regulating pipe is communicated with an irrigation pipe, the right end of the regulating pipe is communicated with a water pump, two outwards-bulged convex rings are symmetrically arranged on the regulating pipe in a left-right manner, and the convex rings are provided with regulating devices.

Description

Fertilizing and irrigating device for wheat planting
Technical Field
The utility model belongs to the technical field of farm irrigation, and particularly relates to a fertilizing and irrigating device for wheat planting.
Background
At present, in wheat planting fields, irrigation adopts a mode of flood irrigation and pipeline irrigation, and fertilization adopts a mode of spraying or throwing, so that a large amount of manual operation and a large amount of water source are required; the problems of more irrigation water, uneven spraying, inaccurate fertilization, high labor intensity, low production efficiency and the like exist; especially, because the pipeline pressure flow is unstable during irrigation, the fluctuation of fertilizer concentration is easy to be caused to be larger, the seedling is burnt when the concentration is overlarge, the fertilizer efficiency can not reach the effect when the concentration is overlarge, the mechanization, the precision and the automation level are lower, and the precision is not high.
The patent of 201520243276.2 discloses a plant water, fertilizer and pesticide integrated spray and drip irrigation device, the patent controls the dosage proportion of pesticide and fertilizer by adjusting a fertilizer flow control valve and a pesticide flow control valve, the fertilizer in a fertilizer tank and pesticide in a pesticide tank are sucked into a water suction pump in proportion, the water suction pump discharges the sucked mixed liquor of pesticide, fertilizer and water from a liquid outlet pipe through a tee joint, the mixed liquor of fertilizer, pesticide and water discharged from the liquid outlet pipe is filtered by a filter and then discharged from a spray and drip pipe, and the plants are quantitatively drip-irrigated, but the fertilizer flow control valve and the pesticide flow control valve are not accurately controlled, the pesticide fertilizer proportion cannot be adjusted in real time according to water flow, residues in the fertilizer tank and the pesticide tank are not easy to clean, the residues are not cleaned timely, and the next pollution can be caused, the patent of 202110106320.5 discloses a precise automatic control fertilization and irrigation device, which uses control signals of a PLC control system to adjust rotation, but the PLC structure is complex, the cost is high, and the practicability is poor.
In view of the deficiencies of the prior art, further improvements are needed.
Disclosure of Invention
In view of the above, the present utility model aims to provide a fertilizer irrigation device for wheat planting, which solves the above problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a wheat is planted with fertilization irrigation equipment, includes storage case and governing pipe, the storage case is buried in the wheat field, and the governing pipe sets up in the wheat field upside, storage case upside is provided with controls two interfaces, both ends opening about the governing pipe, and governing pipe left end opening and irrigation pipe intercommunication, governing pipe right-hand member port and water pump intercommunication, utilize the water pump to supply water to the governing pipe, and irrigate the wheat field through irrigation pipe, bilateral symmetry is provided with the bulge loop of two outside bulges on the governing pipe, and two bulge loops communicate with the interface of storage case respectively, bulge loop is provided with adjusting device, adjusting device includes the rubber tube, both ends are the bulge loop about edge fixed connection about the rubber tube respectively, the annular evenly distributed of rubber tube inner wall has four arcs, arc outer wall and rubber tube inner wall fixed connection, and concentric distribution have spacing ring in the arc, equal bilateral symmetry is provided with the shell fragment between every arc and the spacing ring, shell fragment one end and shell fragment fixed connection, and the other end and spacing ring fixed connection.
The regulating pipe is characterized in that regulating plates are sleeved in ports at two ends of the regulating pipe in a sliding manner, four pull ropes are arranged between the inner sides of the regulating plates and the regulating device, one ends of the pull ropes are fixedly connected with the middle of the regulating plates, the pull ropes penetrate through the side wall of the limiting ring, the other ends of the pull ropes are respectively fixedly connected with the inner walls of the four arc-shaped plates, springs are arranged on the inner sides of the regulating plates, and one ends of the springs are fixedly connected with the inner walls of the regulating pipe.
Preferably, an opening with an end cover is arranged on the upper side of the storage box, and a port on the upper side of the storage box is exposed out of the soil surface.
Preferably, the rubber tube is close to the middle part and evenly distributed has two rows of through holes, and two rows of through holes on the rubber tube are distributed in the left and right sides of the arc.
Preferably, through holes are uniformly distributed on the adjusting plate.
The beneficial effects of the utility model are as follows: according to the utility model, the adjusting plate is pushed to slide by utilizing the impact action of water flow, the adjusting plate on the left side enables the outwards-protruding part at the middle part of the rubber tube on the left side to shrink towards the middle part through the pull rope, so that the cross-sectional area is reduced, meanwhile, the spring on the right side is compressed, under the pushing action of the elastic sheet, the part at the middle part of the rubber tube on the left side is outwards expanded, so that the cross-sectional area is increased, the flow velocity of the water flow at the protruding part of the rubber tube on the left side is small in pressure intensity according to Bernoulli principle, meanwhile, the flow velocity at the inwards-recessed part of the rubber tube on the right side is large in pressure intensity, and under the action of pressure intensity difference, water at the inner part of the adjusting tube flows in from the left interface of the storage box and is mixed with fertilizer in the storage box so as to dissolve the fertilizer, and the fertilizer is sprayed into a field to realize fertilizer irrigation while irrigation is carried out on a wheat field; utilize rivers impact force different, adjust left and right sides rubber tube middle part cross-section area, when the flow velocity of water in the regulation pipe became fast, through reducing left and right sides rubber tube middle part cross-section position pressure difference, reduce the velocity of water flow in getting into the storage case, avoid the regulation intraductal rivers to accelerate, the velocity of water flow in the storage case accelerates, fertilizer runs off fast, arouse local wheat field fertilization transition, and when the flow velocity of water in the regulation pipe becomes slow, through increasing left and right sides rubber tube middle part cross-section position pressure difference, accelerate the velocity of water flow in getting into the storage case, avoid the velocity of water flow in the regulation pipe to reduce when the flow reduces, the velocity of fertilizer inflow regulation pipe reduces, arouse wheat field fertilization inadequately, ensure fertilization uniformity.
Drawings
FIG. 1 is a main block diagram of the present utility model;
FIG. 2 is a block diagram of a regulator tube of the present utility model;
FIG. 3 is a cross-sectional view of an adjustment device of the present utility model.
Reference numerals in the drawings: 1, a storage box; 101 interfaces; 2, adjusting the pipe; 201 a convex ring; 3, a rubber tube; 4 arc-shaped plates; 5, a limiting ring; 6, spring plates; 7, adjusting a plate; 8, pulling a rope; 9 spring.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1-3, a fertilization irrigation device for wheat planting comprises a storage box 1 and an adjusting pipe 2, wherein the storage box 1 is embedded in a wheat field, the adjusting pipe 2 is arranged on the upper side of the wheat field, the upper side of the storage box 1 is provided with a left interface and a right interface, the left end and the right end of the adjusting pipe 2 are opened, the left end opening of the adjusting pipe 2 is communicated with an irrigation pipe, the right end port of the adjusting pipe 2 is communicated with a water pump, the water pump is utilized to supply water to the adjusting pipe, the wheat field is irrigated through the irrigation pipe, two convex rings 201 which bulge outwards are symmetrically arranged on the adjusting pipe 2, the two convex rings 201 are respectively communicated with the interfaces 101 of the storage box 1, the convex rings 201 are provided with an adjusting device, the adjusting device comprises a rubber pipe 3, the left end and the right end of the rubber pipe 3 are respectively fixedly connected with the left edge and the right edge of the convex rings 201, the inner wall of the rubber pipe 3 is uniformly distributed with four arc-shaped plates 4 in a circular manner, the inner wall of the arc-shaped outer wall of the arc-shaped plate 4 is fixedly connected with the inner wall of the rubber pipe 3, a limiting ring 5 is concentrically distributed in the arc-shaped 4, each arc-shaped 4 is symmetrically arranged between the arc-shaped plate 4 and the limiting ring 5, the limiting ring 6 is fixedly connected with one end of the limiting ring 6 and the elastic sheet 5.
In this embodiment, all sliding sleeve has set adjusting plate 7 in the port at adjusting pipe 2 both ends, is provided with four stay cords 8 between adjusting plate 7 inboard and the adjusting device, stay cord 8 one end and adjusting plate 7 middle part fixed connection, and stay cord 8 pass spacing ring 5 lateral wall, and the stay cord 8 other end respectively with four arc 4 inner wall fixed connection, adjusting plate 7 inboard is provided with spring 9, spring 9 one end and adjusting pipe 2 inner wall fixed connection.
In this embodiment, an opening with an end cover is provided on the upper side of the storage tank 1, and a port on the upper side of the storage tank 1 is exposed out of the soil surface, so that fertilizer is conveniently put in.
In this embodiment, two rows of through holes are uniformly distributed on the rubber tube 3 near the middle part, and the two rows of through holes on the rubber tube 3 are distributed on the left and right sides of the arc plate 4.
In this embodiment, through holes are uniformly distributed on the adjusting plate 7.
The working principle of the utility model is as follows: as shown in fig. 2, in the initial state, the middle part of the rubber tube 3 positioned at the left side adjusting device is outwards protruded, meanwhile, the middle part of the rubber tube 3 positioned at the right side adjusting device is inwards recessed, fertilizer is put into the storage box 1 in the process of irrigating wheat, a water pump is started to irrigate, when water flow passes through the adjusting tube 2 from right to left, the water flow rushes through holes on the adjusting plate 7, the impact of the water flow pushes the adjusting plate 7 to slide, so that the left spring 9 is stretched, meanwhile, the right spring 9 is compressed, the left adjusting plate 7 pulls the arc plate 4 of the left side adjusting device to approach the limiting ring 5 through the pull rope 8, meanwhile, the elastic sheet 6 is compressed, the outwards protruded part positioned at the middle part of the left rubber tube 3 is contracted to the middle part, so that the cross section area is reduced, meanwhile, as the spring 9 on the right side is compressed, the stretching 8 on the right side is relaxed, under the action of the elastic sheet 6, the middle part of the left rubber tube 3 is outwards expanded under the pushing action of the arc plate 4, the cross-sectional area is increased, according to Bernoulli principle, when water flows through the regulating tube 2, the flow speed at the convex part of the left rubber tube 3 is small and the pressure intensity is small, meanwhile, the flow speed at the concave part of the right rubber tube 3 is large and the pressure intensity is strong, under the action of pressure intensity difference, water at the inner part of the regulating tube 2 flows in from the left interface of the storage box 1, is mixed with fertilizer in the storage box 1, so that the fertilizer is dissolved, flows out from the right interface of the storage box 1 and then enters the regulating tube 2, then enters the irrigation water tube, and fertilizer is sprayed into a field to realize fertilizer irrigation while the wheat field is irrigated.
By utilizing the difference of water flow impact force, the compression degree of the adjusting spring 9 and the tightness of the adjusting stay cord 8 are utilized, when the water flow is changed from small to large, the impact force of the water flow is increased, the middle section area of the left rubber tube 3 is small, the middle section area of the right rubber tube 3 is large, the middle section area difference of the left rubber tube 3 and the right rubber tube 3 is small, according to Bernoulli principle, the pressure difference of the middle section parts of the left rubber tube 3 and the right rubber tube 3 is small, when the water flow rate in the adjusting tube 2 is increased, the water flow rate entering the storage box 1 is reduced by reducing the pressure difference of the middle section parts of the left rubber tube 3, when the water flow rate in the adjusting tube 2 is increased, the water flow rate in the storage box 1 is prevented from being increased, fertilizer is prevented from being quickly lost, the local wheat fertilization is caused, and when the water flow rate in the adjusting tube 2 is slowed down, the water flow rate in the storage box 1 is prevented from being reduced, and the fertilizer is prevented from flowing into the wheat field 2.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (3)

1. The utility model provides a wheat is planted with fertilization irrigation equipment, includes storage box and governing pipe, its characterized in that: the storage box is embedded in the wheat field, the regulating pipe is arranged on the upper side of the wheat field, the left interface and the right interface are arranged on the upper side of the storage box, the left end opening and the right end opening of the regulating pipe are communicated with the irrigation water pipe, the right end opening of the regulating pipe is communicated with the water pump, the water pump is used for supplying water to the regulating pipe, the wheat field is irrigated through the irrigation water pipe, two outwards-bulged convex rings are symmetrically arranged on the regulating pipe in a left-right manner and are respectively communicated with the interfaces of the storage box, the convex rings are provided with an adjusting device, the adjusting device comprises a rubber pipe, the left end and the right end of the rubber pipe are respectively fixedly connected with the left edge and the right edge of the convex rings, four arc plates are uniformly distributed on the inner wall of the rubber pipe in an annular mode, the arc outer wall of each arc plate is fixedly connected with the inner wall of the rubber pipe, limiting rings are concentrically distributed in the arc plates, elastic pieces are symmetrically arranged between each arc plate and the limiting rings, one end of each elastic piece is fixedly connected with the arc plate, and the other end of each elastic piece is fixedly connected with the limiting ring;
the two ends of the regulating pipe are respectively and slidably sleeved with a regulating plate, four pull ropes are arranged between the inner sides of the regulating plates and the regulating device, one ends of the pull ropes are fixedly connected with the middle part of the regulating plate, the pull ropes penetrate through the side wall of the limiting ring, the other ends of the pull ropes are respectively and fixedly connected with the inner walls of the four arc-shaped plates, springs are arranged on the inner sides of the regulating plates, and one ends of the springs are fixedly connected with the inner walls of the regulating pipe;
two rows of through holes are uniformly distributed at the position, close to the middle part, of the rubber tube, and the two rows of through holes on the rubber tube are distributed at the left side and the right side of the arc-shaped plate;
in the initial state, the middle part of the rubber tube positioned on the left side adjusting device is outwards protruded, and the middle part of the rubber tube positioned on the right side adjusting device is inwards recessed.
2. The fertilizer and irrigation device for wheat planting as set forth in claim 1, wherein an opening with an end cap is provided on the upper side of the storage tank, and the port on the upper side of the storage tank is exposed to the soil surface.
3. The fertilizer and irrigation device for wheat planting according to claim 2, wherein the regulating plate is uniformly provided with through holes.
CN202210503368.4A 2022-05-10 2022-05-10 Fertilizing and irrigating device for wheat planting Active CN114600618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210503368.4A CN114600618B (en) 2022-05-10 2022-05-10 Fertilizing and irrigating device for wheat planting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210503368.4A CN114600618B (en) 2022-05-10 2022-05-10 Fertilizing and irrigating device for wheat planting

Publications (2)

Publication Number Publication Date
CN114600618A CN114600618A (en) 2022-06-10
CN114600618B true CN114600618B (en) 2024-01-09

Family

ID=81869904

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210503368.4A Active CN114600618B (en) 2022-05-10 2022-05-10 Fertilizing and irrigating device for wheat planting

Country Status (1)

Country Link
CN (1) CN114600618B (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1711704A2 (en) * 1989-07-18 1992-02-15 Азербайджанский научно-исследовательский институт механизации и электрификации сельского хозяйства Liquid distributing device for pocket sprinkling
DE20007622U1 (en) * 1999-06-21 2000-08-03 Voest Alpine Ind Anlagen Device for cleaning and / or dedusting dust-containing exhaust gas flows
CN2699642Y (en) * 2004-06-01 2005-05-18 中国科学院遗传与发育生物学研究所 Combined type venturi tube fertilising valve
CN204539837U (en) * 2015-04-22 2015-08-12 江西正科农业发展有限公司 Vegetation water, fertilizer, medicine integration spray drop filling device
JP2016073939A (en) * 2014-10-07 2016-05-12 パナソニックIpマネジメント株式会社 Fine bubble generator
CN206281533U (en) * 2016-11-28 2017-06-27 上海贝菲自动化仪表有限公司 For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining
CN106998659A (en) * 2014-10-13 2017-08-01 伊曼纽尔·德米扎基 Injector mixer and method injector and annex being integrated in irrigation pipe
CN207543900U (en) * 2017-12-09 2018-06-29 刘存显 A kind of farmland irrigation water profit pipe
CN108286532A (en) * 2018-03-30 2018-07-17 登封市绿奥农林科技有限公司 A kind of agricultural irrigation water pump easy to remove
CN209218617U (en) * 2018-12-12 2019-08-09 寻乌县友华农业科技发展有限公司 A kind of Development of Venturi Fertilizer Applicator with constant-current stabilizer
CN212617554U (en) * 2020-05-28 2021-02-26 新兴铸管股份有限公司 Regulating valve oil mist lubricating device
CN214800758U (en) * 2021-04-09 2021-11-23 河北省农林科学院经济作物研究所 Integrated fertilizing device
CN114080888A (en) * 2021-01-26 2022-02-25 河北农业大学 Accurate automatic control is executed medicine, is fertilizied irrigation equipment

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1711704A2 (en) * 1989-07-18 1992-02-15 Азербайджанский научно-исследовательский институт механизации и электрификации сельского хозяйства Liquid distributing device for pocket sprinkling
DE20007622U1 (en) * 1999-06-21 2000-08-03 Voest Alpine Ind Anlagen Device for cleaning and / or dedusting dust-containing exhaust gas flows
CN2699642Y (en) * 2004-06-01 2005-05-18 中国科学院遗传与发育生物学研究所 Combined type venturi tube fertilising valve
JP2016073939A (en) * 2014-10-07 2016-05-12 パナソニックIpマネジメント株式会社 Fine bubble generator
CN106998659A (en) * 2014-10-13 2017-08-01 伊曼纽尔·德米扎基 Injector mixer and method injector and annex being integrated in irrigation pipe
CN204539837U (en) * 2015-04-22 2015-08-12 江西正科农业发展有限公司 Vegetation water, fertilizer, medicine integration spray drop filling device
CN206281533U (en) * 2016-11-28 2017-06-27 上海贝菲自动化仪表有限公司 For the plug-in type rubber tube and electromagnetic flowmeter of electromagnetic flowmeter lining
CN207543900U (en) * 2017-12-09 2018-06-29 刘存显 A kind of farmland irrigation water profit pipe
CN108286532A (en) * 2018-03-30 2018-07-17 登封市绿奥农林科技有限公司 A kind of agricultural irrigation water pump easy to remove
CN209218617U (en) * 2018-12-12 2019-08-09 寻乌县友华农业科技发展有限公司 A kind of Development of Venturi Fertilizer Applicator with constant-current stabilizer
CN212617554U (en) * 2020-05-28 2021-02-26 新兴铸管股份有限公司 Regulating valve oil mist lubricating device
CN114080888A (en) * 2021-01-26 2022-02-25 河北农业大学 Accurate automatic control is executed medicine, is fertilizied irrigation equipment
CN214800758U (en) * 2021-04-09 2021-11-23 河北省农林科学院经济作物研究所 Integrated fertilizing device

Also Published As

Publication number Publication date
CN114600618A (en) 2022-06-10

Similar Documents

Publication Publication Date Title
CN205611439U (en) Novel three -dimensional drip irrigation system
CN205357103U (en) Water conservancy irrigation device
CN106342597A (en) Multifunctional water and fertilizer integration irrigation system
CN203027704U (en) Water and fertilizer integrated ground irrigation system for field
CN207665675U (en) A kind of agricultural irrigation equipment
CN208549426U (en) A kind of spraying sprinkling equipment for greenhouse cultivation
CN203735061U (en) Ship-shaped mobile sprinkling irrigation fertilizer applicator
US8720803B1 (en) Multiple-line irrigation system and method
CN110881299A (en) Water and fertilizer integrated system for applying solid fertilizer
CN204598872U (en) A kind of current-sharing drip irrigation appliance
CN114600618B (en) Fertilizing and irrigating device for wheat planting
CN109392401A (en) A kind of automatic fertilizing apparatus that fish excrement is used for organic vegetable plantation
CN205052349U (en) Wet pine seedling growing greenhouse that adds irrigates cooling system
CN209449215U (en) A kind of automatic accurate fertilizer applicator
CN218417339U (en) Sunlight greenhouse type greenhouse atomization drip irrigation device
CN208402455U (en) A kind of water-fertilizer integral automatic irrigation system
CN205431355U (en) Regulation formula irrigation equipment
CN206101115U (en) Greenhouse seedling culture is with device that waters for chinese angelica anti -season
CN214229155U (en) Seedbed for corn seed breeding
CN210808259U (en) Water and fertilizer integrated irrigation device
CN106171232B (en) A kind of biogas slurry sprayer apparatus suitable for nonirrigated farmland large-scale production
CN211241155U (en) Agricultural irrigation sprays high adjusting device
CN107896936A (en) A kind of irrigation rig of adjustable hydraulic pressure
CN108934957B (en) Energy-saving seedling drip irrigation machine
CN204482326U (en) Liquid manure all-in-one

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant