CN111307245A - Water level monitoring informatization linkage device capable of automatically adjusting measurement range - Google Patents
Water level monitoring informatization linkage device capable of automatically adjusting measurement range Download PDFInfo
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- CN111307245A CN111307245A CN202010187774.5A CN202010187774A CN111307245A CN 111307245 A CN111307245 A CN 111307245A CN 202010187774 A CN202010187774 A CN 202010187774A CN 111307245 A CN111307245 A CN 111307245A
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- water level
- measuring scale
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- level monitoring
- dipperstick
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a water level monitoring informatization linkage device capable of automatically adjusting a measurement range, and mainly relates to the field of water level monitoring. The base is included, inner chamber top one side is equipped with the main dipperstick, the main dipperstick is hollow structure, connecting axle one end is located the main dipperstick, the connecting axle other end is located the inner chamber, the one end that the connecting axle is located the inner chamber is equipped with driven bevel gear, the output axle head of motor is equipped with initiative bevel gear, the one end that the connecting axle is located the main dipperstick is fixed with the screw rod, be equipped with the vice dipperstick that runs through the main dipperstick top in the main dipperstick, the screw rod top run through the slider and with slider threaded connection, main dipperstick one side outer wall is equipped with the mounting box, be equipped with water level monitoring device. The invention has the beneficial effects that: the measuring range can be automatically adjusted according to the amount of water, and excessive measuring ranges do not need to be set at one time, so that the water level can be monitored more flexibly.
Description
Technical Field
The invention relates to the field of water level monitoring, in particular to a water level monitoring informatization linkage device capable of automatically adjusting a measuring range.
Background
The water level is the height of the water surface of a water body at a certain place from a standard base level. There are two types of standard basal planes: the first is an absolute base plane, which refers to a certain sea level specified by the country and used as an elevation zero point, and elevations of other places all use the sea level as a starting point. China specifies a yellow sea surface as an absolute surface. The other is a hypothetical base, which refers to a level base that is temporarily assumed for calculating the water level or elevation of the hydrographic station. The position below the lowest point of the riverbed is often used as the elevation starting point of the station. The monitoring station is provided with a water level monitoring device for monitoring the change of the water level so as to timely take measures, and the water level monitoring device is used for acquiring the measurement data of the water level at any time.
Present water level monitoring devices is mostly the dipperstick type that measuring range is fixed, can't adjust the length of dipperstick according to the water yield, in the period that the rainy season water yield rises, the dipperstick that measuring range is fixed can be submerged by the surface of water that rises to can't audio-visual monitor the water yield, if set up the very big dipperstick of a measuring range at the beginning, in long-time use, the part that the upper portion was used often does not experience and will appear the damage after blowing and shining, thereby cause the damage unable continuation use.
Disclosure of Invention
The invention aims to provide a water level monitoring informatization linkage device capable of automatically adjusting a measuring range, which can automatically adjust the measuring range according to the quantity of water, does not need to set too many measuring ranges at one time and thus monitors the water level more flexibly.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the water level monitoring informatization linkage device capable of automatically adjusting the measuring range comprises a base, wherein the base is fixed at the bottom of water, an inner cavity is formed in the base, a main measuring scale is arranged on one side of the top of the inner cavity and is of a hollow structure, the bottom of the main measuring scale penetrates through the base and is communicated with the inner cavity, a mounting plate is arranged at the bottom of the main measuring scale and penetrates through the base, a connecting shaft is rotatably arranged in the mounting plate, one end of the connecting shaft is positioned in the main measuring scale, the other end of the connecting shaft is positioned in the inner cavity, a driven bevel gear is arranged at one end of the connecting shaft positioned in the inner cavity, a motor is arranged on the bottom surface of the inner cavity, a driving bevel gear is arranged at the output shaft end of the motor and is meshed with the driven bevel gear, a screw rod is fixed at one end of the connecting shaft, the inside cavity of vice dipperstick, the one end that vice dipperstick is located the main dipperstick is equipped with the slider, slider and the inside sliding connection of main dipperstick, the screw rod top run through the slider and with slider threaded connection, main dipperstick one side outer wall is equipped with the mounting box, be equipped with water level monitoring device in the mounting box, water level monitoring device and motor linkage, the mounting box bottom intercommunication be equipped with the connecting box, one side that the main dipperstick was kept away from to the connecting box is equipped with the water inlet.
Further, water level monitoring device is including setting up the battery on the mounting box inner wall, the battery top is equipped with alarm device, the battery bottom is equipped with the bull stick, it is equipped with the conduction board to rotate on the bull stick, conduction board one side bottom is equipped with the kicking block, the battery bottom is equipped with first guide arm and second guide arm, first guide arm and second guide arm set up for the bull stick symmetry, the one end that the conduction board has the kicking block is located first guide arm bottom, the one end that the kicking block was kept away from to the conduction board is located second guide arm top, be equipped with the water-stop sheet in the mounting box, the water-stop sheet is located battery bottom and conduction board top.
Furthermore, the first guide rod is electrically connected with an alarm device, the alarm device is electrically connected with the positive electrode of the storage battery, and the negative electrode of the storage battery is electrically connected with the second guide rod.
Further, the one end that vice dipperstick is located the main survey chi outside is equipped with the dog, be equipped with the sealing ring on the inner wall that the main survey chi was run through the department by vice dipperstick, the sealing ring chooses for use the sealing rod.
Furthermore, the cross-section of slider is the rectangle, the inner wall cross-section of main dipperstick also is the rectangle and suits with the slider.
Further, the connecting box sets up for the slope, just the connecting box bottom is to the direction slope of keeping away from the main measurement chi.
Furthermore, a filter screen is arranged at the water outlet.
Compared with the prior art, the invention has the beneficial effects that:
under the normal condition of water quantity at ordinary times, the water level is monitored through the main measuring scale, the daily water level monitoring use is met, when the water quantity rises in a flood season or a rainy season and exceeds the connecting box, water enters the connecting box from the water inlet and gradually increases into the mounting box, the water level monitoring device in the mounting box is finally triggered, and as the water level monitoring device is linked with the motor in the inner cavity of the base through the background operating platform, the motor is started when the water quantity in the mounting box reaches the triggering water level monitoring device, the driving bevel gear is driven to rotate, the driven bevel gear drives the screw rod to rotate, the slide block in threaded connection with the screw rod slides upwards in the main measuring scale under the action of the screw rod, so as to drive the auxiliary measuring scale to move upwards, realize the purpose of increasing the measuring range of the measuring scale, and send an alarm to the control room so as to make a corresponding flood discharge drainage measure, when the water quantity, the motor reversal this moment, inside retrieving main dipperstick with vice dipperstick, realize automatically regulated water level measuring range's purpose, make the monitoring convenient nimble more.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a sectional view of the top structure of the present invention.
Fig. 4 is an enlarged view of the portion a of fig. 2 of the present invention.
Fig. 5 is an enlarged view of the portion B of fig. 2 of the present invention.
Fig. 6 is an enlarged view of the portion C of fig. 2 of the present invention.
Fig. 7 is an enlarged view of the portion D of fig. 2 of the present invention.
Reference numerals shown in the drawings:
1. a base; 2. an inner cavity; 3. mounting a plate; 4. a connecting shaft; 5. a driven bevel gear; 6. a motor; 7. a drive bevel gear; 8. a screw; 9. a secondary measuring scale; 10. a slider; 11. mounting a box; 12. a connection box; 13. a water inlet; 14. a storage battery; 15. an alarm device; 16. a rotating rod; 17. a conductive plate; 18. floating blocks; 19. a first guide bar; 20. a second guide bar; 21. a water-stop sheet; 22. a stopper; 23. a seal ring; 24. a filter screen; 25. a main measuring scale.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a water level monitoring informatization linkage device capable of automatically adjusting a measuring range, which comprises a main structure and a base 1, wherein the base 1 is fixed at the bottom of a water level to be measured, the outer wall of the base 1 is closed and is subjected to waterproof treatment, an inner cavity 2 is formed in the base 1, a main measuring scale 25 is arranged on one side of the top of the inner cavity 2, the main measuring scale 25 is of a hollow structure, the bottom in the main measuring scale 25 penetrates through the base 1 and is communicated with the inner cavity 2, namely the inside of the main measuring scale 25 is communicated with the inner cavity 2 through the position of the bottom penetrating through the base 1, a mounting plate 3 is arranged at the bottom in the main measuring scale 25 and penetrates through the base 1, a connecting shaft 4 is rotatably arranged in the mounting plate 3, the connecting shaft 4 penetrates through the mounting plate 3 and is fixedly mounted with the mounting plate 3 through a bearing, one end, a driven bevel gear 5 is fixed at the end part of the connecting shaft 4 positioned in the inner cavity 2, a motor 6 is arranged at the bottom surface of the inner cavity 2, a driving bevel gear 7 is arranged at the output shaft end of the motor 6, the driving bevel gear 7 is meshed with the driven bevel gear 5, a screw 8 is fixed at the end part of the connecting shaft 4 positioned in the main measuring scale 25, the screw 8 is driven to rotate by the connecting shaft 4, an auxiliary measuring scale 9 penetrating through the top of the main measuring scale 25 is arranged in the main measuring scale 25, the auxiliary measuring scale 9 is in sliding fit with the main measuring scale 25 through a through part, the auxiliary measuring scale 9 is hollow inside, a slider 10 is arranged at one end of the auxiliary measuring scale 9 positioned in the main measuring scale 25, the slider 10 can slide up and down inside the main measuring scale 25, the top end of the screw 8 penetrates through the slider 10 and is in threaded connection with the slider 10, and the top end surface of the, the maximum extension length of the auxiliary measuring scale 9 is ensured, the auxiliary measuring scale 9 is prevented from sliding out of the main measuring scale 25 under the action of the sliding block 10, the outer wall of one side of the main measuring scale 25 is provided with the mounting box 11, the water level monitoring device is arranged in the mounting box 11 and is linked with the motor 6 and is monitored and controlled by a control room, the technology is mature and widely applied, and is not described herein, the bottom of the mounting box 11 is communicated with the connecting box 12, the side, away from the main measuring scale 25, of the connecting box 12 is provided with the water inlet 13, when the water level rises to the bottom of the connecting box 12, water enters the connecting box 12 from the water inlet 13 and continues rising to enter the mounting box 11 to trigger the water level monitoring device, meanwhile, the motor 6 linked with the water level monitoring device is started to drive the driving bevel gear 7 to rotate, the connecting shaft 4 is rotated through the transmission of the driven bevel gear 5, thereby drive the screw rod 8 and rotate, make slider 10 with 8 threaded connection of screw rod slide on main dipperstick 25 is inside, thereby make vice dipperstick 9 move up and increase measuring range, and the alarm in water level monitoring device trigger control room, make the staff in time make urgent processing, prevent that the disaster from taking place, no longer trigger water level monitoring device after the water level reduces, 6 reversals of motor this moment are in withdrawing main dipperstick 25 with vice dipperstick 9, prevent that vice dipperstick 9 from exposing for a long time and producing the damage outside.
Preferably, the water level monitoring device comprises a storage battery 14 arranged on the inner wall of the mounting box 11 and used for providing power for the alarm device 15, the alarm device 15 is arranged at the top of the storage battery 14, the alarm device 15 is linked with the motor 6 through program control of a control chamber, a rotating rod 16 is arranged at the bottom of the storage battery 14, a conducting plate 17 is arranged on the rotating rod 16 in a rotating manner, the conducting plate 17 is made of conducting materials, a floating block 18 is arranged at the bottom of one side of the conducting plate 17, the weight of the floating block 18 just enables the conducting plate 17 to be in an inclined state rather than a vertical state, the floating block 18 is dragged by the water surface to enable the conducting plate 17 to rotate towards one side all the time, normal realization of the functions of the device is guaranteed, a first guide rod 19 and a second guide rod 20 are arranged at the bottom of the storage battery 14, the first guide rod 19 and the second guide rod 20 are also made of conducting materials, and the first, the end of the conductive plate 17 with the floating block 18 is positioned at the bottom of the first guide rod 19, the end of the conductive plate 17 far away from the floating block 18 is positioned above the second guide rod 20, a water-stop sheet 21 is arranged in the mounting box 11, the water-stop sheet 21 is positioned at the bottom of the storage battery 14 and at the top of the conducting plate 17, so that the storage battery 14 and the alarm device 15 are prevented from being submerged by water entering the mounting box 11, the storage battery 14 and the alarm device 15 are prevented from being scrapped, and after the water level rises, the water surface drives the floating block 18 to move upwards to enable the conduction plate 17 to rotate towards the horizontal state until two ends of the conduction plate 17 are respectively contacted with the first guide rod 19 and the second guide rod 20, so that a loop is formed among the storage battery 14, the alarm device 15, the first guide rod 19, the conduction plate 17 and the second guide rod 20, thereby triggering the alarm device 15, giving an alarm to the control room and simultaneously controlling the motor 6 to rotate, and realizing the functions of automatically adjusting the measurement range and automatically monitoring and alarming.
Preferably, the first guide rod 19 is connected with the alarm device 15 through a power line, the alarm device 15 is connected with the positive electrode of the storage battery 14 through the power line, the negative electrode of the storage battery 14 is connected with the second guide rod 20 through the power line, and the power line is embedded in the inner wall of the mounting box 11 in advance to prevent the storage battery from being soaked by water.
Preferably, the one end that vice dipperstick 9 is located outside the main measurement chi 25 is equipped with dog 22, and back in main measurement chi 25 is retrieved completely to vice dipperstick 9, dog 22 bottom surface and the contact of main measurement chi 25 top end face prevent that the rainwater from entering main measurement chi 25 along the space between main measurement chi 25 and the vice dipperstick 9 inside, main measurement chi 25 is equipped with sealing ring 23 on the inner wall of department that is run through by vice dipperstick 9, sealing ring 23 chooses for use the sealing rod, and the motor 6 that rises at the water level starts makes the inside back that stretches out of main measurement chi 25 of vice dipperstick 9, and when water submerged main measurement chi 25, the sealing rod hydroscopic expansion prevents that water from entering inside the main measurement chi 25, and the protection internals is not destroyed.
Preferably, the cross-section of slider 10 is the rectangle, the inner wall cross-section of main measurement chi 25 also is the rectangle and suits with slider 10, makes slider 10 slide from top to bottom in main measurement chi 25 can only follow the direction of height of main measurement chi 25, drives slider 10 and rotates when avoiding screw rod 8 to rotate, guarantees slider 10 and screw rod 8's normal threaded connection.
Preferably, the connection box 12 is arranged in an inclined manner, and the bottom of the connection box 12 inclines towards a direction away from the main measuring scale 25, so that after the water level is lowered, the water in the installation box 11 flows out from the water inlet 13 along the inclined inner wall of the connection box 12, and the water in the installation box 11 flows out more quickly.
Preferably, a filter screen 24 is arranged at the water inlet 13 to prevent impurities in the water flow from entering the connecting box 12 from the water inlet 13.
The alarm device 15 and the motor 6 are linked through the control room in advance, the water level is measured and monitored by the main measuring scale 25 under normal conditions, when the water level rises to the connecting box 12 in flood season or rainy season, water enters the connecting box 12 from the water inlet 13 and continues to enter the mounting box 11, then the floating block 18 is driven to move upwards until the two ends of the conducting plate 17 are respectively contacted with the first guide rod 19 and the second guide rod 20, the circuit is communicated to trigger the alarm device 15, the motor 6 is controlled to rotate while an audible and visual alarm is sent to the control room, the connecting shaft 4 is driven to rotate under the transmission of the driving bevel gear 7 and the driven bevel gear 5 to drive the screw rod 8 to rotate, the auxiliary measuring scale 9 is driven to move outwards the main measuring scale 25 through the slide block 10 in threaded connection with the screw rod 8, the measuring range is increased, when the water level drops, the floating block 18 drives one end of the conducting plate 17 to drop, so that the two ends of the conducting plate 17 are disconnected from the, the circuit disconnection, alarm device 15 relieved the police dispatch newspaper this moment, and the motor 6 reversal is in withdrawing main dipperstick 25 with vice dipperstick 9, prevents that vice dipperstick 9 from damaging.
Claims (7)
1. Automatic adjust measuring range's water level monitoring informationization aggregate unit, its characterized in that: comprises a base (1), the base (1) is fixed at the bottom, an inner cavity (2) is formed in the base (1), a main measuring scale (25) is arranged on one side of the top of the inner cavity (2), the main measuring scale (25) is of a hollow structure, the bottom of the main measuring scale (25) penetrates through the base (1) and is communicated with the inner cavity (2), a mounting plate (3) is arranged on the position, penetrating through the base (1), of the bottom of the main measuring scale (25), a connecting shaft (4) is rotatably arranged in the mounting plate (3), one end of the connecting shaft (4) is positioned in the main measuring scale (25), the other end of the connecting shaft (4) is positioned in the inner cavity (2), a driven bevel gear (5) is arranged at one end, positioned in the inner cavity (2), a motor (6) is arranged on the bottom surface of the inner cavity (2), and a driving bevel gear (7) is arranged at the, the bevel gear assembly is characterized in that the driving bevel gear (7) is meshed with the driven bevel gear (5), one end, located in the main measuring scale (25), of the connecting shaft (4) is fixedly provided with a screw rod (8), an auxiliary measuring scale (9) penetrating through the top of the main measuring scale (25) is arranged in the main measuring scale (25), the auxiliary measuring scale (9) is hollow, one end, located in the main measuring scale (25), of the auxiliary measuring scale (9) is provided with a sliding block (10), the sliding block (10) is in sliding connection with the inside of the main measuring scale (25), the top end of the screw rod (8) penetrates through the sliding block (10) and is in threaded connection with the sliding block (10), the outer wall of one side of the main measuring scale (25) is provided with a mounting box (11), a water level monitoring device is arranged in the mounting box (11) and is linked with the motor (6), and the bottom of the mounting box (11), and a water inlet (13) is formed in one side, far away from the main measuring scale (25), of the connecting box (12).
2. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 1, characterized in that: the water level monitoring device comprises a storage battery (14) arranged on the inner wall of the mounting box (11), the top of the storage battery (14) is provided with an alarm device (15), the bottom of the storage battery (14) is provided with a rotating rod (16), a conduction plate (17) is rotatably arranged on the rotating rod (16), a floating block (18) is arranged at the bottom of one side of the conduction plate (17), a first guide rod (19) and a second guide rod (20) are arranged at the bottom of the storage battery (14), the first guide rod (19) and the second guide rod (20) are symmetrically arranged relative to the rotating rod (16), one end of the conducting plate (17) with the floating block (18) is positioned at the bottom of the first guide rod (19), one end of the conduction plate (17) far away from the floating block (18) is positioned above the second guide rod (20), be equipped with water-stop sheet (21) in mounting box (11), water-stop sheet (21) are located battery (14) bottom and conduction board (17) top.
3. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 2, characterized in that: the first guide rod (19) is electrically connected with the alarm device (15), the alarm device (15) is electrically connected with the positive electrode of the storage battery (14), and the negative electrode of the storage battery (14) is electrically connected with the second guide rod (20).
4. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 1, characterized in that: vice dipperstick (9) are located the outer one end of main dipperstick (25) and are equipped with dog (22), main dipperstick (25) are equipped with sealing ring (23) on the inner wall of department that runs through by vice dipperstick (9), sealing ring (23) select for use the sealing rod.
5. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 1, characterized in that: the cross-section of slider (10) is the rectangle, the inner wall cross-section of main dipperstick (25) also is the rectangle and suits with slider (10).
6. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 1, characterized in that: the connecting box (12) is obliquely arranged, and the bottom of the connecting box (12) is inclined towards the direction far away from the main measuring scale (25).
7. The water level monitoring informatization linkage device capable of automatically adjusting the measurement range according to claim 1, characterized in that: a filter screen (24) is arranged at the water inlet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187774.5A CN111307245A (en) | 2020-03-17 | 2020-03-17 | Water level monitoring informatization linkage device capable of automatically adjusting measurement range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187774.5A CN111307245A (en) | 2020-03-17 | 2020-03-17 | Water level monitoring informatization linkage device capable of automatically adjusting measurement range |
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| Publication Number | Publication Date |
|---|---|
| CN111307245A true CN111307245A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010187774.5A Pending CN111307245A (en) | 2020-03-17 | 2020-03-17 | Water level monitoring informatization linkage device capable of automatically adjusting measurement range |
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| CN (1) | CN111307245A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200852U (en) * | 1986-01-31 | 1987-07-15 | 湖南省交通科学研究所 | Volumetric fuel-consumption meter for ship |
| CN2218364Y (en) * | 1994-09-14 | 1996-01-24 | 赵松峰 | Universal two colour level meter |
| US5610591A (en) * | 1995-12-26 | 1997-03-11 | Gallagher; Daniel J. | Liquid level alarm system |
| US5850175A (en) * | 1997-02-19 | 1998-12-15 | Yeilding; Hollis | Water level detector |
| CN201397181Y (en) * | 2009-05-07 | 2010-02-03 | 江苏恒力化纤有限公司 | Automatic indicating device for oil metering tank |
| CN202614334U (en) * | 2012-04-17 | 2012-12-19 | 山西省汾阳医院 | Water level warning device |
| CN207781471U (en) * | 2018-01-31 | 2018-08-28 | 苏州优德通力科技有限公司 | A kind of switch of active alarm |
| CN208818305U (en) * | 2018-10-17 | 2019-05-03 | 镇江市正中建设工程质量检测中心 | A kind of hydraulic engineering water level monitoring device automatically adjusting measurement range |
-
2020
- 2020-03-17 CN CN202010187774.5A patent/CN111307245A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200852U (en) * | 1986-01-31 | 1987-07-15 | 湖南省交通科学研究所 | Volumetric fuel-consumption meter for ship |
| CN2218364Y (en) * | 1994-09-14 | 1996-01-24 | 赵松峰 | Universal two colour level meter |
| US5610591A (en) * | 1995-12-26 | 1997-03-11 | Gallagher; Daniel J. | Liquid level alarm system |
| US5850175A (en) * | 1997-02-19 | 1998-12-15 | Yeilding; Hollis | Water level detector |
| CN201397181Y (en) * | 2009-05-07 | 2010-02-03 | 江苏恒力化纤有限公司 | Automatic indicating device for oil metering tank |
| CN202614334U (en) * | 2012-04-17 | 2012-12-19 | 山西省汾阳医院 | Water level warning device |
| CN207781471U (en) * | 2018-01-31 | 2018-08-28 | 苏州优德通力科技有限公司 | A kind of switch of active alarm |
| CN208818305U (en) * | 2018-10-17 | 2019-05-03 | 镇江市正中建设工程质量检测中心 | A kind of hydraulic engineering water level monitoring device automatically adjusting measurement range |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |