CN110529375A - It is easy to the reciprocating pump hunted leak - Google Patents

It is easy to the reciprocating pump hunted leak Download PDF

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Publication number
CN110529375A
CN110529375A CN201910684558.9A CN201910684558A CN110529375A CN 110529375 A CN110529375 A CN 110529375A CN 201910684558 A CN201910684558 A CN 201910684558A CN 110529375 A CN110529375 A CN 110529375A
Authority
CN
China
Prior art keywords
circuit
cover
pump housing
easy
triode
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.)
Pending
Application number
CN201910684558.9A
Other languages
Chinese (zh)
Inventor
戴志昂
忻达
张伟康
王海鹏
万丰云
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.)
Ningbo Qian Hu Oil Equipment Co Ltd
Original Assignee
Ningbo Qian Hu Oil Equipment Co Ltd
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 Ningbo Qian Hu Oil Equipment Co Ltd filed Critical Ningbo Qian Hu Oil Equipment Co Ltd
Priority to CN201910684558.9A priority Critical patent/CN110529375A/en
Publication of CN110529375A publication Critical patent/CN110529375A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00Testing machines, pumps, or pumping installations

Abstract

The invention discloses a kind of reciprocating pumps for being easy to hunt leak, belong to reciprocating pump field, including pedestal, the pump housing is installed at the top of pedestal, it is provided with the detection device whether leaked for detecting the pump housing at the top of pedestal, the detection device whether leaked for detecting the pump housing is connected on the pump housing in seal closure;Detection device includes: detection circuit, and detection circuit covers whether the intracorporal pump housing leaks for detecting, when detect leaked in cover when, output high level signal;Control circuit, control circuit couple the high level signal of detection circuit and receiving test circuit output, when control circuit receives the high level signal of detection circuit output, output control signal;Cue circuit, cue circuit coupling control circuit and the control signal for receiving control circuit output, when cue circuit receives the control signal of control circuit output, prompt information is issued to remind staff's pump housing to reveal, the present invention has the effect of detecting whether reciprocating pump leaks automatically.

Description

It is easy to the reciprocating pump hunted leak
Technical field
The present invention relates to reciprocal pump technical fields, more particularly, to a kind of reciprocating pump for being easy to hunt leak.
Background technique
As the development difficulty of oil gas field, especially unconventional petroleum resources is more and more big, the construction such as brill, complete well, pressure break Cultivation scale also constantly increases.The construction operations such as high-power, high pressure, the well-flushing of huge discharge, well cementation, pressure break are more frequent, single The well operations time is longer.Core equipment in above-mentioned operation process is to realize mud, fracturing fluid, cement and other liquid or liquid The reciprocating pump of solid mixture pumping circulation.Therefore, as above-mentioned construction operation scale increases, frequency improves and the duration prolongs Long, the requirement to reciprocal pumping equipment is also higher and higher.
Reciprocating pump includes piston pump, metering pump and diaphragm pump, is generally called reciprocating pump.It is one kind of positive-dispacement pump, using than It is wide.Reciprocating pump is to provide the conveying machinery of energy to liquid directly in the form of pressure energy by the reciprocating motion of piston.It presses Driving method, reciprocating pump are divided into power pump (motor drive) and direct acting pump (steam, gas or liquid driven) two major classes.
In general, reciprocating pump is after a longer time of use, the liquid feeding end and outlet end of reciprocating pump are easily leaked, due to reciprocal Pump when reciprocating pump leaks, is not easy visually to be found, to keep staff not noticeable past mainly for delivery of fluid Multiple bump leakage, therefore, reciprocating pump leak detection are a problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of reciprocating pumps for being easy to hunt leak, and detection device, detection dress are provided in the pump housing It sets and can automatically detect whether reciprocating pump leaks, remind staff in time when detecting that reciprocating pump leaks, just It is overhauled in time in staff.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of reciprocating pump for being easy to hunt leak, including pedestal are installed with the pump housing at the top of pedestal, output shaft and pump are installed on pedestal The motor that intracorporal valve rod is fixedly connected and driving stem moves back and forth, the pedestal, which is located at outside the pump housing, to be removably connected with and will pump The seal closure that body covers, the top of pedestal are located at the detection device for being provided in seal closure and whether leaking for detecting the pump housing;Inspection Surveying device includes: detection circuit, and detection circuit is covered whether the intracorporal pump housing leaks for detecting, sent out when detecting in cover When raw leakage, high level signal is exported;Control circuit, control circuit couple the height electricity of detection circuit and receiving test circuit output Ordinary mail number, when control circuit receives the high level signal of detection circuit output, output control signal;Cue circuit prompts Circuit couples control circuit, and receives the control signal of control circuit output, and cue circuit receives the control of control circuit output When signal processed, prompt information is issued to remind staff's pump housing to reveal.
By using above scheme, seal closure can prevent extraneous liquid from entering in cover, when letting out in cover When leakage, detection circuit exports high level signal to control circuit, and control circuit conducting simultaneously exports control signal to cue circuit, when When cue circuit receives control signal, cue circuit issues prompt information, reminds staff in time, convenient for staff and When overhaul.
The present invention is further arranged to: being coupled with filter circuit between the detection circuit and comparison module.By using Alternating component in power supply VCC in DC voltage can be passed into underground by above scheme, filter circuit, retain its direct current at Point, keep output voltage more stable.
The present invention is further arranged to: the control circuit includes the triode Q1 of NPN type, the base stage coupling of triode Q1 In the output end of filter circuit, collector couples power supply VCC;Cue circuit includes the display lamp for being coupled to triode Q1 emitter L。
By using above scheme, when detection circuit exports high level, the collector and emitter conducting of triode Q1, It is bright to control display lamp L, staff's pump housing can be reminded to leak.
The present invention is further arranged to: the collector of the triode Q1 is coupled with when triode ON, controls motor The circuit for controlling motor to stop working;Circuit for controlling motor includes the electromagnetism for being coupled to the relay KM1 of triode Q1 collector Coil, the normally-closed contact of relay KM1 are coupled with AC power source, and motor is coupled to the normally-closed contact and alternating current of relay KM1 On the closed circuit in source.
By using above scheme, after triode Q1 conducting, the electromagnetic coil of relay KM1 obtains electric, control relay The normally-closed contact of KM1 disconnects, and motor stops working, and convenient for the maintenance of staff, reduces the leakage of fluid.
The present invention is further arranged to: the both ends reverse parallel connection of the electromagnetic coil of the relay KM1 has diode D1.
By using above scheme, diode Q1 can electromagnetic coil to relay KM1 and triode Q1 play guarantor Shield effect.
The present invention is further arranged to: the emitter of the triode Q1 is coupled with button switch SB1, presses button switch SB1 can be such that triode Q1 powers off.
It can be made by pressing button switch SB1 after staff has found that display lamp L is bright by using above scheme Triode power-off, prevents display lamp L bright always, can achieve the effect of power saving.
The present invention is further arranged to: the seal closure includes cover, and four corners that pedestal corresponds to cover are fixedly arranged on Vertically arranged screw rod, four corners of cover offer through-hole, and for through-hole for passing through for screw rod, screw rod passes through spiral shell after through-hole Line is connected with nut, can fix cover and screw rod.
By using above scheme, cover is mounted on the base, passes through through-hole for screw rod, screw rod passes through through-hole rear thread It is connected with nut, cover and screw rod can be fixed.
The present invention is further arranged to: the position that the surrounding of the pedestal corresponds to cover opens up fluted, fixation in groove It is connected with gasket, cover bottom surrounding is uniformly installed with multiple grafting blocks, the position of grafting block is corresponded on gasket and pedestal The inserting groove of connection is offered, the grafting block of cover bottom is for being plugged in inserting groove.
By using above scheme, it is fixedly connected with gasket in groove, gasket can reinforce the close of cover and pedestal Feng Xing prevents extraneous liquid from entering in cover, and the grafting block of cover bottom makes cover and bottom for being plugged in inserting groove Seat connection is closer, more stable.
The present invention is further arranged to: the top side detachable of the cover is connected with a lid door, covering on top inside four It is installed with sealing strip week, is fixed between lid door and cover by screw bolt and nut.
By using above scheme, surrounding is installed with sealing strip on the inside of covering on top, and sealing strip can reinforce lid door and cover The leakproofness of body prevents extraneous liquid from entering in cover, is fixed between lid door and cover by screw bolt and nut, convenient for lid The disassembly and installation of door and cover, consequently facilitating being overhauled to the pump housing.
The present invention is further arranged to: the inner wall of the cover is installed with abatvoix, offers sound-absorption hole on abatvoix.
By using above scheme, sound-absorption hole on abatvoix can noise in absorption pump body running on mountain, reduction makes an uproar Sound is propagated outward.
In conclusion the invention has the following advantages:
1. by being provided with the detection device whether leaked for detecting the pump housing in base top;Detection device includes: inspection Slowdown monitoring circuit, detection circuit cover whether the intracorporal pump housing leaks for detecting, when detect leaked in cover when, export High level signal;Control circuit, control circuit couple the high level signal of detection circuit and receiving test circuit output, work as control When circuit receives the high level signal of detection circuit output, output control signal;Cue circuit, cue circuit coupling control electricity Road, and the control signal of control circuit output is received, when cue circuit receives the control signal of control circuit output, sending is mentioned Show information to remind staff's pump housing to reveal, reminds staff in time, overhauled in time convenient for staff;
2. opening up by the position that the surrounding in pedestal corresponds to cover fluted, gasket, cover bottom are fixedly connected in groove Portion's surrounding is uniformly installed with multiple grafting blocks, and the position that grafting block is corresponded on gasket and pedestal offers the inserting groove being connected to, The grafting block of cover bottom is fixedly connected with gasket, gasket can reinforce cover for being plugged in inserting groove in groove With the leakproofness of pedestal, prevent extraneous liquid from entering in cover, the grafting block of cover bottom is used to be plugged in inserting groove, It connect cover with pedestal closer, more stable;
3. the motor control that control motor stops working is electric by being coupled in the collector of triode Q1 when triode ON Road;Circuit for controlling motor includes the electromagnetic coil for being coupled to the relay KM1 of triode Q1 collector, and relay KM1's is normally closed Contact is coupled with AC power source, and motor is coupled on the normally-closed contact of relay and the closed circuit of AC power source, works as triode After Q1 conducting, the electromagnetic coil of relay KM1 obtains electric, and the normally-closed contact of control relay KM1 disconnects, and motor stops working, just In the maintenance of staff, the leakage of fluid is reduced.
Detailed description of the invention
Fig. 1 is the axonometric drawing of embodiment;
Fig. 2 is the cross-sectional view of embodiment;
Fig. 3 is the explosive view of embodiment;
Fig. 4 is the circuit diagram of detection device.
In figure, 1, pedestal;11, the pump housing;12, screw rod;13, groove;14, gasket;15, inserting groove;16, motor;2, close Sealing cover;21, cover;22, through-hole;23, grafting block;24, lid door;25, sealing strip;26, abatvoix;261, sound-absorption hole;3, it detects Device;31, detection circuit;311, rain sensor;32, filter circuit;33, control circuit;34, cue circuit;35, motor control Circuit processed.
Specific embodiment
A kind of reciprocating pump for being easy to hunt leak, referring to Fig. 1 and Fig. 2, including pedestal 1, the top of pedestal 1 are installed with the pump housing 11, Pedestal 1, which is located at outside the pump housing 11, is removably connected with the seal closure 2 for covering the pump housing 11, and seal closure 2 keeps the pump housing 11 close in one Under conditions of closing, the detection device 3 whether leaked for detecting the pump housing 11 is connected on the pump housing 11, pedestal 1 is located at sealing The motor 16 that output shaft extends in seal closure 2 is installed with outside cover 2, motor 16 is for driving the valve rod of the pump housing 11 to move back and forth.
Referring to figs. 2 and 3, seal closure 2 includes cover 21, and four corners of the corresponding cover 21 of pedestal 1 are fixedly arranged on vertically The screw rod 12 of setting, four corners of cover 21 offer through-hole 22, and through-hole 22 pacifies cover 21 for passing through for screw rod 12 It is connected with nut loaded on pedestal 1, making screw rod 12 pass through 22 rear thread of through-hole, it can be fixed by cover 21 and screw rod 12;Pedestal 1 Surrounding correspond to the position of cover 21 and open up fluted 13, gasket 14 is fixedly connected in groove 13, gasket 14 can add The leakproofness of strong cover 21 and pedestal 1, prevents extraneous air from entering in cover 21,21 bottom surrounding of cover is uniformly installed with The position that grafting block 23 is corresponded on multiple grafting blocks 23, gasket 14 and pedestal 1 offers the inserting groove 15 being connected to, 21 bottom of cover The grafting block 23 in portion is plugged in inserting groove 15, connect cover 21 with pedestal 1 closer, more stable.The top of cover 21 can Dismantling connection has a lid door 24, and 21 inside top surrounding of cover is installed with sealing strip 25, and sealing strip 25 can reinforce lid door 24 It with the leakproofness of cover 21, prevents extraneous air from entering in cover 21, passes through bolt and spiral shell between lid door 24 and cover 21 Mother is fixed, convenient for the disassembly and installation of lid door 24 and cover 21, consequently facilitating disassembling and installing to cover 21.In order to reduce The noise generated in the work of the pump housing 11 is propagated outward, and the inner wall of cover 21 is installed with abatvoix 26, and suction is offered on abatvoix 26 Sound hole 261, sound-absorption hole 261 can reduce noise and propagate outward.
Referring to fig. 4, detection device 3 includes detection circuit 31, filter circuit 32, control circuit 33 and cue circuit 34. Detection circuit 31 includes the rain sensor 311 being coupled on power supply VCC, and rain sensor 311 is fixedly arranged on pedestal 1 and the pump housing 11 Between, whether the model EGRG5T of rain sensor 311, the pump housing 11 for being mainly used for measuring 1 top of pedestal leaks, and works as the pump housing 11 when leaking, and rain sensor 311 exports high level signal;Rain sensor 311 is coupled with far from one end of power supply VCC Resistance R1, filter circuit 32 include the capacitor C1 being coupled between resistance R1 and the tie point of rain sensor 311, capacitor C1 energy It is enough that alternating component in capacitor VCC in DC voltage is passed into underground, retain its flip-flop, keeps output voltage more stable; Control circuit 33, control circuit 33 include the triode that base stage is coupled to NPN type of the resistance R1 far from 311 one end of rain sensor The collector of Q1, triode Q1 couple power supply VCC, the emitter ground connection of triode Q1;Cue circuit 34, cue circuit 34 include It is coupled to triode Q1 and is coupled with display lamp L, display lamp L is grounded far from one end of triode Q1, when triode Q1 receives ratio Compared with device T1 output high level signal when, triode Q1 collector and emitter conducting, control display lamp L it is bright, remind work Personnel's pump housing 11 is revealed.Button switch SB1 is coupled between display lamp L and ground, after display lamp L is bright, staff can lead to It crosses and presses button switch SB1, display lamp L is made to stop working to achieve the effect that power saving.
Referring to fig. 4, the collector of triode Q1 is coupled with circuit for controlling motor 35, and circuit for controlling motor 35 includes being coupled to The both ends reverse parallel connection of the electromagnetic coil of relay KM1 on the emitter of triode Q1, the electromagnetic coil of relay KM1 has two Pole pipe D1, the normally-closed contact of relay KM1 are coupled with AC power source, and motor 16 is coupled to the normally-closed contact and alternating current of relay On the closed circuit in source;After triode Q1 conducting, the electromagnetic coil of relay KM1 obtains electric, the normally closed touching of control relay KM1 Point disconnects, and motor 16 stops working;It is coupled with button switch SB2 on motor 16 and the closed circuit of AC power source, by lower button Switch SB2 makes motor 16 stop working, and overhauls convenient for staff.
Use principle: the humidity value in 311 real-time detection cover 21 of rain sensor, and the humidity value transmission that will test To comparator T1 is compared, the humidity value received is compared by comparator T1 with preset value, when humidity value is greater than preset value, Triode Q1 conducting, control display lamp L is bright, reminds staff's pump housing 11 to reveal, while controlling motor 16 and stopping working, is convenient for Staff overhauls in time.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims (10)

1. a kind of reciprocating pump for being easy to hunt leak, including pedestal (1) is installed with the pump housing (11) at the top of pedestal (1), on pedestal (1) It is installed with the motor (16) that output shaft is fixedly connected with the valve rod in the pump housing (11) and driving stem moves back and forth, feature exists In:
The pedestal (1), which is located at outside the pump housing (11), is removably connected with the seal closure (2) for covering the pump housing (11), pedestal (1) Top is located in seal closure (2) detection device (3) whether leaked for detecting the pump housing be provided with;Detection device (3) includes:
Whether detection circuit (31), the pump housing (11) that detection circuit (31) is used to detect in cover (21) leak, and work as detection When leaking in cover (21), high level signal is exported;
Control circuit (33), control circuit (33) couple the high level letter of detection circuit (31) and receiving test circuit (31) output Number, when control circuit (33) receives the high level signal of detection circuit (31) output, output control signal;
Cue circuit (34), cue circuit (34) couple control circuit (33), and receive the control letter of control circuit (33) output Number, when cue circuit (34) receives the control signal of control circuit (33) output, prompt information is issued to remind staff The pump housing (11) leakage.
2. the reciprocating pump according to claim 1 for being easy to hunt leak, it is characterised in that: detection circuit (31) mould compared with Filter circuit (32) are coupled between block (33).
3. the reciprocating pump according to claim 2 for being easy to hunt leak, it is characterised in that: the control circuit (33) includes NPN The triode Q1 of type, the base stage of triode Q1 are coupled to the output end of filter circuit (32), and collector couples power supply VCC;Prompt Circuit (34) includes the display lamp L for being coupled to triode Q1 emitter.
4. the reciprocating pump according to claim 3 for being easy to hunt leak, it is characterised in that: the collector of the triode Q1 couples Have when triode Q1 conducting, the circuit for controlling motor (35) that control motor (16) stops working;Circuit for controlling motor (35) packet The electromagnetic coil for being coupled to the relay KM1 of triode Q1 collector is included, the normally-closed contact of relay KM1 is coupled with alternating current Source, motor (16) are coupled on the normally-closed contact of relay KM1 and the closed circuit of AC power source.
5. the reciprocating pump according to claim 4 for being easy to hunt leak, it is characterised in that: the electromagnetic coil of the relay KM1 Both ends reverse parallel connection have diode D1.
6. the reciprocating pump according to claim 4 for being easy to hunt leak, it is characterised in that: the emitter of the triode Q1 couples There is button switch SB1, pressing button switch SB1 can be such that triode Q1 powers off.
7. the reciprocating pump according to claim 1 for being easy to hunt leak, it is characterised in that: the seal closure (2) includes cover (21), four corners of pedestal (1) corresponding cover (21) are fixedly arranged on vertically arranged screw rod (12), four angles of cover (21) The place of falling offers through-hole (22), and for passing through for screw rod (12), screw rod (12) connects through-hole (22) across through-hole (22) rear thread There is nut, it can be fixed by cover (21) and screw rod (12).
8. the reciprocating pump according to claim 7 for being easy to hunt leak, it is characterised in that: the top side detachable of the cover (21) Be connected with a lid door (24), cover (21) inside top surrounding is installed with sealing strip (25), lid door (24) and cover (21) it Between fixed by screw bolt and nut.
9. the reciprocating pump according to claim 7 for being easy to hunt leak, it is characterised in that: the top side detachable of the cover (21) Be connected with a lid door (24), cover (21) inside top surrounding is installed with sealing strip (25), lid door (24) and cover (21) it Between fixed by screw bolt and nut.
10. the reciprocating pump according to claim 7 for being easy to hunt leak, it is characterised in that: the inner wall of the cover (21) is fixed Have abatvoix (26), abatvoix offers sound-absorption hole on (26).
CN201910684558.9A 2019-07-26 2019-07-26 It is easy to the reciprocating pump hunted leak Pending CN110529375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910684558.9A CN110529375A (en) 2019-07-26 2019-07-26 It is easy to the reciprocating pump hunted leak

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910684558.9A CN110529375A (en) 2019-07-26 2019-07-26 It is easy to the reciprocating pump hunted leak

Publications (1)

Publication Number Publication Date
CN110529375A true CN110529375A (en) 2019-12-03

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ID=68661311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910684558.9A Pending CN110529375A (en) 2019-07-26 2019-07-26 It is easy to the reciprocating pump hunted leak

Country Status (1)

Country Link
CN (1) CN110529375A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2487770A (en) * 2011-02-04 2012-08-08 Ant Hire Ltd Pressure testing metering pump and method
CN106593845A (en) * 2016-11-29 2017-04-26 张宁 Pressure resistance tester for water pump
CN107905991A (en) * 2017-11-13 2018-04-13 上海华力微电子有限公司 The detecting system of leak in a kind of automatic detection pump
CN207728573U (en) * 2017-12-29 2018-08-14 天津市聚能高压泵有限公司 Stable type high-pressure slurry pump installation
CN208934896U (en) * 2018-08-31 2019-06-04 中国石油化工股份有限公司胜利油田分公司 A kind of plunger type water injection pump leak detecting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2487770A (en) * 2011-02-04 2012-08-08 Ant Hire Ltd Pressure testing metering pump and method
CN106593845A (en) * 2016-11-29 2017-04-26 张宁 Pressure resistance tester for water pump
CN107905991A (en) * 2017-11-13 2018-04-13 上海华力微电子有限公司 The detecting system of leak in a kind of automatic detection pump
CN207728573U (en) * 2017-12-29 2018-08-14 天津市聚能高压泵有限公司 Stable type high-pressure slurry pump installation
CN208934896U (en) * 2018-08-31 2019-06-04 中国石油化工股份有限公司胜利油田分公司 A kind of plunger type water injection pump leak detecting device

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Application publication date: 20191203

RJ01 Rejection of invention patent application after publication