CN111397720A - On-orbit quality measuring instrument ground calibration device - Google Patents
On-orbit quality measuring instrument ground calibration device Download PDFInfo
- Publication number
- CN111397720A CN111397720A CN202010274406.4A CN202010274406A CN111397720A CN 111397720 A CN111397720 A CN 111397720A CN 202010274406 A CN202010274406 A CN 202010274406A CN 111397720 A CN111397720 A CN 111397720A
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- measured object
- cylindrical cam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
- G01G23/015—Testing or calibrating of weighing apparatus by adjusting to the local gravitational acceleration
Abstract
The invention discloses a ground calibration device of an on-orbit quality measuring instrument, and relates to the technical field of measurement calibration. Including microgravity environmental simulation device and calibration process state monitoring system, the device still includes the casing, shells inner wall sets up the motor, set up the shaft coupling on the output shaft of motor, the shaft coupling is kept away from motor output shaft one end and is set up first rotation pole, the shaft coupling top sets up the box, the bottom half sets up the through-hole, first rotation pole top sets up cylindrical cam axle, set up cylindrical cam roller in cylindrical cam axle's the cyclic annular cam groove, set up the regulation pole on the cylindrical cam roller, set up the bar hole on the box lateral wall, it sets up the rack to be located the outside one end of box, the rack sets up the gear with adjust the relative one side of pole, the gear housing is established on the high. The invention has the beneficial effects that: through improving, effectively improved the precision of on-orbit quality measuring apparatu measurement calibration.
Description
Technical Field
The invention mainly relates to the technical field of measurement and calibration, in particular to a ground calibration device of an on-orbit quality measuring instrument.
Background
The on-orbit mass measuring instrument is used for mass measuring equipment in a microgravity environment, and in order to finish the measurement and calibration of the equipment, a weightlessness state needs to be simulated in a ground environment, however, the weightlessness environment generated by two modes of tower falling and aircraft parabolic flight is usually adopted, the duration is short, the calibration requirement cannot be met, and the cost is high.
In the search of related subjects, patent Z L201721789025. X discloses a ground calibration device for an on-orbit mass measurement instrument, which comprises a microgravity environment simulation device and a calibration process state monitoring system, wherein the microgravity environment simulation device comprises a high-tower suspension mechanism and an adjustable horizontal workbench, and the calibration process state monitoring system comprises a suspension rope tension monitoring module, a measured object deflection angle monitoring module and a measured object acceleration monitoring module.
However, when the device is used, the device is in an open air state, is greatly interfered by an external environment, and has low calibration precision.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the ground calibration device of the on-orbit quality measuring instrument, which effectively improves the measurement and calibration precision of the on-orbit quality measuring instrument through improvement on the basis of the prior device.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an on-orbit quality measuring instrument ground calibration device comprises a microgravity environment simulation device and a calibration process state monitoring system, wherein the microgravity environment simulation device comprises a high tower suspension mechanism and an adjustable horizontal workbench, the calibration process state monitoring system comprises a suspension rope tension monitoring module, a measured object deflection angle monitoring module, a measured object acceleration monitoring module and a signal acquisition system, the high tower suspension mechanism suspends a measured object through a suspension rope provided with the two tension monitoring modules, the measured object deflection angle monitoring module, the measured object acceleration monitoring module and a monitoring acceleration sensor of the on-orbit quality measuring instrument are all arranged on the measured object, the suspension rope tension monitoring module, the measured object deflection angle monitoring module and the measured object acceleration monitoring module are used for monitoring the motion state of the measured object in the motion process, and transmit data to signal acquisition system in real time, on-orbit quality measuring instrument sets up on adjustable horizontal table, on-orbit quality measuring instrument is connected with the testee through installation application of force rope, its characterized in that: the device also comprises a shell, the microgravity environment simulation device and the calibration process state monitoring system are both positioned in the shell, and two ends of the single suspension rope tension monitoring module are respectively fixedly connected with the high tower suspension mechanism and the top end of the suspension rope; the inner wall of the shell is provided with a motor, an output shaft of the motor is provided with a coupler, one end of the coupler, which is far away from the output shaft of the motor, is provided with a first rotating rod, a box body is arranged above the coupler, a through hole is arranged at the bottom of the box body, the top end of the first rotating rod penetrates through the through hole and is positioned in the box body, the top end of the first rotating rod is provided with a cylindrical cam shaft, a cylindrical cam roller is arranged in an annular cam groove of the cylindrical cam shaft, the cylindrical cam roller is provided with an adjusting rod, the side wall of the box body is provided with a strip-shaped hole, one end of the adjusting rod, far away from the cylindrical cam roller, penetrates through the strip-shaped hole and is positioned outside the box body, a rack is arranged at one end of the adjusting rod, which is positioned outside the box body, a gear is arranged at one side of the rack, which is opposite to the adjusting rod, the gear is meshed with the rack, the gear is sleeved on the high tower suspension mechanism, and the gear is rotationally connected with the high tower suspension mechanism; the casing outer wall sets up water tank and hair-dryer, and the mouth of blowing of affiliated hair-dryer is located inside the casing, water tank one side sets up the water pump, set up inlet tube, outlet pipe and wet return on the water pump, inlet tube one end is connected with the liquid outlet of water pump, the inlet tube is kept away from water pump liquid outlet one end and is passed the casing lateral wall and be located inside the casing, the casing tip sets up the shower nozzle, the shower nozzle is located inside the casing.
The utility model discloses a shower nozzle, including inlet tube end portion, shower nozzle, inlet tube end portion sets up the distributive pipe, set up the switch on the distributive pipe, the switch suits with the shower nozzle, the shower nozzle is a plurality of, and is a plurality of the shower nozzle all is connected with the distributive pipe.
The water tank and the blower are both multiple, and the water tank and the blower are uniformly distributed on the outer wall of the shell.
The device also comprises a control system, and the motor, the water pump and the blower are all connected with the control system.
The top of the cylindrical camshaft is provided with a second rotating rod, the top wall of the box body is provided with a bearing, and the top end of the second rotating rod is located in the bearing.
Compared with the prior art, the invention has the beneficial effects that:
1. this device sets up microgravity environmental simulation device and calibration process state monitoring system in the casing to set up shower nozzle water pump, hair-dryer etc. on the casing and simulate different flight environmental parameter, reduced the interference of external environment, strengthen the regulation and control of external environment simulation, drive gear and high tower through the reciprocating motion of rack and suspend in midair the rotation of mechanism in addition, singly it suspends rope pulling force monitoring module both ends in midair respectively with the high tower suspend in midair the mechanism, suspend in midair rope top fixed connection, reduced the interference of external environment to suspending in midair rope pulling force monitoring module monitoring, effectively improved the precision of on-orbit quality measuring apparatu measurement calibration.
2. The arrangement of the water distribution pipe and the plurality of spray heads enhances the regulation and control of the humidity environment, and further optimizes the device.
3. The setting of a plurality of water tanks and hair-dryer has improved environmental simulation's authenticity, is favorable to the reinforcing to external environment's regulation and control.
4. Control system can carry out intelligent control to motor, water pump, hair-dryer according to the demand, has further optimized the regulation and control to external environment.
5. The arrangement of the second rotating rod and the bearing enhances the rotating stability of the cylindrical camshaft, and further enhances the running stability of the gear rack and the high tower suspension mechanism.
Drawings
FIG. 1 is a front view structure diagram of the present invention in an operation state;
FIG. 2 is a schematic view of the internal structure of the case of the present invention;
FIG. 3 is an enlarged view of section I of the present invention;
FIG. 4 is an enlarged view of the section II of the present invention.
Reference numerals shown in the drawings: 1. a high tower suspension mechanism; 2. an adjustable horizontal worktable; 3. a suspension rope tension monitoring module; 4. a module for monitoring the deflection angle of the measured object; 5. an acceleration monitoring module of the measured object; 6. a signal acquisition system; 7. a suspension cord; 8. an object to be measured; 9. an on-orbit quality measuring instrument; 10. a force application rope; 11. a housing; 12. a motor; 13. a coupling; 14. a first rotating lever; 15. a box body; 16. a through hole; 17. a cylindrical camshaft; 18. a cylindrical cam roller; 19. adjusting a rod; 20. a strip-shaped hole; 21. a rack; 22. a gear; 23. a water tank; 24. a blower; 25. a water pump; 26. a water inlet pipe; 27. a water outlet pipe; 28. a water return pipe; 29. a spray head; 30. a water diversion pipe; 31. a switch; 32. a control system; 33. a second rotating lever; 34. and a bearing.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. 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 standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, the adopted circuit connection is the conventional type in the prior art, and meanwhile, in order to clearly express the connection relation and the working principle of each component, the accompanying drawings of the specification are arranged and drawn in a mode of a mechanism movement diagram, and the detailed description is not repeated.
It should be noted that, in this document, the control system controls the actuator according to the signal detected by the photosensor, belongs to the conventional and adaptive application of the known control system program, and sends out the signal to control the actuator, and only relates to the adjustment of the parameter to control the actuator, and does not relate to the improvement of the program, and belongs to the conventional technical means of the person skilled in the art.
The utility model provides an on-orbit quality measuring instrument ground calibration device, includes microgravity environment analogue means and calibration process state monitoring system, microgravity environment analogue means includes high tower suspension mechanism 1 and adjustable level workstation 2, calibration process state monitoring system includes suspension rope tension monitoring module 3, measured object deflection angle monitoring module 4, measured object acceleration monitoring module 5, signal acquisition system 6, high tower suspension mechanism 1 suspends the measured object through the suspension rope 7 of installing two tension monitoring modules, measured object deflection angle monitoring module 4, measured object acceleration monitoring module 5 and the monitoring acceleration sensor at on-orbit quality measuring instrument 9 all set up on the measured object, suspension rope tension monitoring module 3, measured object deflection angle monitoring module 4 and measured object acceleration monitoring module 5 are used for monitoring the motion state of measured object in the motion process, and transmit data to signal acquisition system 6 in real time, on-orbit quality measuring instrument 9 sets up on adjustable horizontal table 2, on-orbit quality measuring instrument 9 is connected with the testee through installation application of force rope 10, its characterized in that: the device also comprises a shell 11, the microgravity environment simulation device and the calibration process state monitoring system are both positioned in the shell 11, and two ends of the single suspension rope tension monitoring module 3 are respectively fixedly connected with the top ends of the high tower suspension mechanism 1 and the suspension rope 7; the inner wall of the shell 11 is provided with the motor 12 which can be connected in a common one-way rotating mode, cost is saved, operation is convenient, and the motor is used for controlling the gear rack to drive the high tower suspension mechanism to operate. The output shaft of the motor 12 is provided with a coupler 13, one end of the coupler 13, which is far away from the output shaft of the motor 12, is provided with a first rotating rod 14, a box body 15 is arranged above the coupler 13, the bottom of the box body 15 is provided with a through hole 16, the top end of the first rotating rod 14 penetrates through the through hole 16 and is positioned in the box body 15, the top end of the first rotating rod 14 is provided with a cylindrical cam shaft 17, a cylindrical cam roller 18 is arranged in an annular cam groove of the cylindrical cam shaft 17, the cylindrical cam roller 18 is provided with an adjusting rod 19, the side wall of the box body 15 is provided with a strip-shaped hole 20, one end, which is far away from the cylindrical cam roller 18, of the adjusting rod 19 penetrates through the strip-shaped hole 20 and is positioned outside the box body 15, one end, which is positioned outside the box body, the gear can be a residual gear and is sleeved on the rear side of the high tower crane mechanism. The gear 22 is sleeved on the high tower suspension mechanism 1, and the gear 22 is rotationally connected with the high tower suspension mechanism 1; 11 outer walls of casing set up water tank 23 and hair-dryer 24, and the mouth of blowing of affiliated hair-dryer 24 is located inside 11 of casing, water tank 23 one side sets up water pump 25, set up inlet tube 26, outlet pipe 27 and wet return 28 on the water pump 25, inlet tube 26 one end is connected with water pump 25's liquid outlet, inlet tube 26 is kept away from water pump 25 liquid outlet one end and is passed 11 lateral walls of casing and be located inside 11 of casing, 11 tip of casing sets up shower nozzle 29, shower nozzle 29 is located inside 11 of casing. As shown in the attached drawing, the spray head and the blower are used for simulating wind power and humidity environmental parameters in a flight environment, the microgravity environment simulation device and the calibration process state monitoring system are arranged in the shell, the spray head water pump, the blower and the like are arranged on the shell to simulate different flight environmental parameters, the interference of the external environment is reduced, the regulation and control of the external environment simulation are enhanced, the gear and the high tower suspension mechanism are driven to rotate through the reciprocating motion of the rack, the two ends of the single suspension rope tension monitoring module are respectively fixedly connected with the high tower suspension mechanism and the top end of the suspension rope, the interference of the external environment on the monitoring of the suspension rope tension monitoring module is reduced, and the metering and calibration accuracy of the on-orbit quality measuring instrument is effectively improved.
Furthermore, a shunt pipe 30 is arranged at the end part of the water inlet pipe 26, a switch 31 is arranged on the shunt pipe 30, the switch 31 is adapted to the spray heads 29, the spray heads 29 are multiple, and the spray heads 29 are all connected with the shunt pipe 30. The arrangement of the water distribution pipe and the plurality of spray heads enhances the regulation and control of the humidity environment, and further optimizes the device.
Further, the water tank 23 and the blower 24 are both provided in plurality, and the water tank 23 and the blower 24 are uniformly distributed on the outer wall of the housing 11. The setting of a plurality of water tanks and hair-dryer has improved environmental simulation's authenticity, is favorable to the reinforcing to external environment's regulation and control.
The device further comprises a control system 32, the motor 12, the water pump 25 and the blower 24 are all connected with the control system 32, the control system can intelligently control the motor, the water pump and the blower according to requirements, and further optimizes regulation and control of an external environment, the control system can be a single-chip microcomputer control system, in one embodiment of the invention, the control system adopts the single-chip microcomputer control system, the P L C has high reliability and strong anti-interference capability, is equivalent to a control loop of a relay contactor control system, is simple to use and convenient to debug and maintain, a button switch can be adopted for controlling a P L C signal, a touch screen called Kunlun Tongtai can be adopted, the P L C signal is specially arranged in an electric appliance cabinet during actual use and is connected with an execution element to be controlled through a lead, the technology is mature, the operation is simple and convenient, the control stability is improved, the motor can adopt a servo motor coupler of an Anchuan SGM7J-06A specification, and a plum blossom coupler is adopted, and the motor control precision is enhanced.
Preferably, a second rotating rod 33 is arranged at the top of the cylindrical cam shaft 17, a bearing 34 is arranged on the top wall of the box body 15, and the top end of the second rotating rod 33 is positioned in the bearing 34. The arrangement of the second rotating rod and the bearing enhances the rotating stability of the cylindrical camshaft, and further enhances the running stability of the gear rack and the high tower suspension mechanism.
Claims (5)
1. The utility model provides an on-orbit quality measuring instrument ground calibration device, includes microgravity environment analogue means and calibration process state monitoring system, microgravity environment analogue means suspends mechanism (1) and adjustable horizontal table (2) in midair including the high tower, calibration process state monitoring system suspends mechanism (3), measured object deflection angle monitoring module (4), measured object acceleration monitoring module (5), signal acquisition system (6) including suspending in midair in the rope tension monitoring module (3), the high tower suspends the measured object in midair (1) through suspending in midair rope (7) of installing two tension monitoring modules in midair, measured object deflection angle monitoring module (4), measured object acceleration monitoring module (5) and all set up on the measured object at the monitoring acceleration sensor of rail quality measuring instrument (9), it is used for the monitoring by the measured object to suspend in midair rope tension monitoring module (3), measured object deflection angle monitoring module (4) and measured object acceleration monitoring module (5) in midair Survey the motion state of object in the motion process to pass signal acquisition system (6) with data in real time, on-orbit quality measuring apparatu (9) set up on adjustable horizontal table (2), on-orbit quality measuring apparatu (9) are connected its characterized in that through installation application of force rope (10) and testee: the device also comprises a shell (11), the microgravity environment simulation device and the calibration process state monitoring system are both positioned in the shell (11), and two ends of the single suspension rope tension monitoring module (3) are respectively fixedly connected with the top ends of the high tower suspension mechanism (1) and the suspension rope (7);
the inner wall of the shell (11) is provided with a motor (12), the output shaft of the motor (12) is provided with a coupler (13), one end, far away from the output shaft of the motor (12), of the coupler (13) is provided with a first rotating rod (14), a box body (15) is arranged above the coupler (13), the bottom of the box body (15) is provided with a through hole (16), the top end of the first rotating rod (14) penetrates through the through hole (16) to be located inside the box body (15), the top end of the first rotating rod (14) is provided with a cylindrical cam shaft (17), a cylindrical cam roller (18) is arranged in an annular cam groove of the cylindrical cam shaft (17), an adjusting rod (19) is arranged on the cylindrical cam roller (18), a strip-shaped hole (20) is formed in the side wall of the box body (15), one end, far away from the cylindrical cam roller (18, a rack (21) is arranged at one end, located outside the box body (15), of the adjusting rod (19), a gear (22) is arranged on one side, opposite to the adjusting rod (19), of the rack (21), the gear (22) is meshed with the rack (21), the gear (22) is sleeved on the high tower suspension mechanism (1), and the gear (22) is rotatably connected with the high tower suspension mechanism (1);
casing (11) outer wall sets up water tank (23) and hair-dryer (24), and the mouth of blowing of affiliated hair-dryer (24) is located inside casing (11), water tank (23) one side sets up water pump (25), set up inlet tube (26), outlet pipe (27) and wet return (28) on water pump (25), inlet tube (26) one end is connected with the liquid outlet of water pump (25), water pump (25) liquid outlet one end is kept away from in inlet tube (26) passes inside casing (11) lateral wall is located casing (11), casing (11) tip sets up shower nozzle (29), shower nozzle (29) are located inside casing (11).
2. The on-orbit mass measurement instrument ground calibration device according to claim 1, wherein: inlet tube (26) tip sets up distributive pipe (30), set up switch (31) on distributive pipe (30), switch (31) suit with shower nozzle (29), shower nozzle (29) are a plurality of, and are a plurality of shower nozzle (29) all are connected with distributive pipe (30).
3. An in-orbit mass measurement instrument ground calibration device according to claim 1 or 2, characterized in that: the water tank (23) and the blower (24) are multiple, and the water tank (23) and the blower (24) are uniformly distributed on the outer wall of the shell (11).
4. The on-orbit mass measurement instrument ground calibration device according to claim 1, wherein: the device also comprises a control system (32), and the motor (12), the water pump (25) and the blower (24) are all connected with the control system (32).
5. The on-orbit mass measurement instrument ground calibration device according to claim 1, wherein: the cylinder camshaft (17) top sets up second dwang (33), box (15) roof sets up bearing (34), second dwang (33) top is located bearing (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274406.4A CN111397720A (en) | 2020-04-09 | 2020-04-09 | On-orbit quality measuring instrument ground calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010274406.4A CN111397720A (en) | 2020-04-09 | 2020-04-09 | On-orbit quality measuring instrument ground calibration device |
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| CN111397720A true CN111397720A (en) | 2020-07-10 |
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| CN202010274406.4A Pending CN111397720A (en) | 2020-04-09 | 2020-04-09 | On-orbit quality measuring instrument ground calibration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556815A (en) * | 2020-12-09 | 2021-03-26 | 四川航天计量测试研究所 | Ground calibration device and method for on-orbit human body mass measuring instrument |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1328073A2 (en) * | 2002-01-11 | 2003-07-16 | Trw Inc. | Intermediate frequency transponder payload implementation |
| CN207020057U (en) * | 2017-07-14 | 2018-02-16 | 四川天府防火材料有限公司 | A kind of Properties of Fire-Proofing Coatings test simulation storehouse |
| CN107764387A (en) * | 2017-12-20 | 2018-03-06 | 四川航天计量测试研究所 | A kind of in-orbit mass measurer ground calibrating installation and calibration method |
| CN109261440A (en) * | 2018-10-22 | 2019-01-25 | 南京铁道职业技术学院 | A kind of automatic electronic dispenser |
| CN109297885A (en) * | 2018-12-13 | 2019-02-01 | 温州际高检测仪器有限公司 | Full-automatic air permeability tester |
| CN208459238U (en) * | 2018-06-05 | 2019-02-01 | 无锡市意尔达试验设备制造有限公司 | One kind of multiple class rain test chambers |
| CN109725590A (en) * | 2018-12-24 | 2019-05-07 | 许昌学院 | A kind of computer information management accident warning device |
| CN209264483U (en) * | 2018-12-28 | 2019-08-16 | 温州际高检测仪器有限公司 | Mask respiratory resistance tester |
| CN209570037U (en) * | 2018-08-06 | 2019-11-01 | 山东天一冷暖科技股份有限公司 | Closed cooling tower special for intermediate frequency electric stove |
-
2020
- 2020-04-09 CN CN202010274406.4A patent/CN111397720A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1328073A2 (en) * | 2002-01-11 | 2003-07-16 | Trw Inc. | Intermediate frequency transponder payload implementation |
| CN207020057U (en) * | 2017-07-14 | 2018-02-16 | 四川天府防火材料有限公司 | A kind of Properties of Fire-Proofing Coatings test simulation storehouse |
| CN107764387A (en) * | 2017-12-20 | 2018-03-06 | 四川航天计量测试研究所 | A kind of in-orbit mass measurer ground calibrating installation and calibration method |
| CN208459238U (en) * | 2018-06-05 | 2019-02-01 | 无锡市意尔达试验设备制造有限公司 | One kind of multiple class rain test chambers |
| CN209570037U (en) * | 2018-08-06 | 2019-11-01 | 山东天一冷暖科技股份有限公司 | Closed cooling tower special for intermediate frequency electric stove |
| CN109261440A (en) * | 2018-10-22 | 2019-01-25 | 南京铁道职业技术学院 | A kind of automatic electronic dispenser |
| CN109297885A (en) * | 2018-12-13 | 2019-02-01 | 温州际高检测仪器有限公司 | Full-automatic air permeability tester |
| CN109725590A (en) * | 2018-12-24 | 2019-05-07 | 许昌学院 | A kind of computer information management accident warning device |
| CN209264483U (en) * | 2018-12-28 | 2019-08-16 | 温州际高检测仪器有限公司 | Mask respiratory resistance tester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556815A (en) * | 2020-12-09 | 2021-03-26 | 四川航天计量测试研究所 | Ground calibration device and method for on-orbit human body mass measuring instrument |
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Application publication date: 20200710 |