CN114137286B - Portable real-time electroscope of installation - Google Patents
Portable real-time electroscope of installation Download PDFInfo
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- CN114137286B CN114137286B CN202111447351.3A CN202111447351A CN114137286B CN 114137286 B CN114137286 B CN 114137286B CN 202111447351 A CN202111447351 A CN 202111447351A CN 114137286 B CN114137286 B CN 114137286B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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Abstract
The invention discloses a portable real-time installation electroscope which comprises a handle, wherein the top of the handle is connected with a carrier plate through an adjusting component, a cylinder body is fixedly installed in the middle of the top end of the carrier plate, a rotating rod is rotatably installed in the cylinder body, and connecting plates are symmetrically and fixedly installed outside the rotating rod. The invention can realize the adjustment of the height and the angle of the main machine of the electroscope and rotate the main machine of the electroscope, is convenient for use, can realize the blowing of dust on a path pointed by the probe while carrying out angle adjustment, can clean the dust at the position to be detected in the device by blowing, can absorb the cleaned dust at the same time, can clean the dust at the position to be detected in the device in a narrow space, avoids the dust from influencing the detection effect of the probe, has the self-contained leakage alarm function, can remind a user of timely treatment of the problem, is convenient for carrying as a whole, and is worth popularizing and using.
Description
Technical Field
The invention belongs to the technical field of electroscope, and particularly relates to a portable real-time installation electroscope.
Background
When carrying out equipment erection, need use electroscope, through research finding, traditional electroscope inconvenient use, can not reflect the voltage that surveys in real time, thereby can not solve the problem through knowing the voltage size, and can not work by the multi-angle, to the place that is comparatively narrow and small, the distance is comparatively far away, inconvenient use, traditional check button, it is not convenient enough, and have alarm device, the safety measure to the staff does not put in place, and current electroscope uses in narrow and small space simultaneously, when having the dust on waiting to detect the department position, because the space is narrow and small this moment, lead to waiting to detect the clearance of department dust, cause the probe to have more dust to block with waiting to detect the department in time, influence the going on of detection work.
Therefore, it is necessary to invent a portable installation real-time electroscope to solve the above problems.
Disclosure of Invention
In order to solve the problems, the invention provides a portable real-time electroscope for installation, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a real-time electroscope of portable installation, includes the handle, the top of handle is connected with the support plate through adjusting part, the top mid-section fixed mounting of support plate has the barrel, the bull stick is installed in the inside rotation of barrel, the outside symmetry fixed mounting of bull stick has even the board, a pair of the top fixed mounting of even the board has the electroscope host computer, the outside of electroscope host computer is equipped with the display screen, the top of electroscope host computer is equipped with the probe, the inside of barrel is equipped with and is used for driving bull stick pivoted actuating assembly, the inside of handle is equipped with the warning subassembly that is used for reminding device electric leakage.
Further, the drive assembly includes fixed mounting at the support plate top and is located the inside motor of barrel, the output shaft fixed mounting of motor has the lead screw, the outside thread bush of lead screw is equipped with the rack, the outside fixed cover of bull stick is equipped with the gear with rack meshing, the outside of rack is equipped with and is used for carrying out spacing subassembly to it.
Further, the limiting assembly comprises limiting rods which are symmetrically and fixedly arranged on two sides of the rack, a limiting opening matched with the limiting rods is formed in the outer side of the cylinder body, and one end of each limiting rod extends into each limiting opening.
Further, the adjusting component comprises a ring plate which is rotatably arranged at the top of the handle, a plurality of telescopic rods are fixedly arranged at the top of the ring plate, one end of each telescopic rod, which is far away from the ring plate, is fixedly connected with the carrier plate, an electric push rod is fixedly arranged in the middle of the top end of the handle, and the top of the electric push rod is rotatably connected with the bottom of the carrier plate.
Further, the top symmetry fixed mounting of support plate has the cylinder body, the both sides of cylinder body are equipped with spray tube and the straw of its intercommunication respectively, the inside of spray tube and straw all is equipped with the check valve, the one end that the spray tube is close to the cylinder body is equipped with the filter component that is used for filtering the dust, the inside of cylinder body is equipped with the piston, the top of piston is equipped with and is used for driving its up-and-down motion transmission assembly.
Further, the transmission assembly comprises a push rod fixedly arranged at the top end of the piston, transmission structures for driving the push rod to descend are fixedly sleeved on two sides of the rotary rod, elastic pieces are sleeved on the outer parts of the push rod, and two ends of each elastic piece are fixedly connected with the top wall of the piston and the top wall of the cylinder body respectively.
Further, the transmission structure is specifically set to the cam component, the outside of transmission structure is contradicted with the top of ejector pin all the time, one side the transmission structure sets up to two and is protruding end and keep away from the setting, the opposite side the transmission structure sets up to one and is protruding end and set up downwards.
Further, the filter component comprises a round shell fixedly installed at one end, close to the cylinder body, of the spray pipe, the round shell is communicated with the spray pipe, a filter screen is arranged in the round shell, the round shell is fixedly connected with the cylinder body through bolts, and the round shell is communicated with the inside of the cylinder body.
Further, remind the subassembly including setting up at the inside circuit board of handle, circuit board and probe electric connection, the bottom of handle is equipped with bee calling organ and warning light, circuit board and bee calling organ and warning light electric connection, the inside of handle is equipped with button cell and rather than the conducting strip of cooperation use, conducting strip and circuit board, bee calling organ and warning light electric connection.
The invention has the technical effects and advantages that:
1. the invention can realize the adjustment of the height and the angle of the electroscope host and can rotate the electroscope host, so that the electroscope host is convenient to use;
2. the invention can realize the angle adjustment and simultaneously blow dust on the path pointed by the probe, so that the dust at the position to be detected in the device is blown and cleaned, and meanwhile, the cleaned dust can be collected, so that the dust at the position to be detected in the device can be cleaned in a narrow space, and the dust is prevented from influencing the detection effect of the probe;
the invention can realize the adjustment of the height and the angle of the main machine of the electroscope and rotate the main machine of the electroscope, is convenient for use, can realize the blowing of dust on a path pointed by the probe while carrying out angle adjustment, can clean the dust at the position to be detected in the device by blowing, can absorb the cleaned dust at the same time, can clean the dust at the position to be detected in the device in a narrow space, avoids the dust from influencing the detection effect of the probe, has the self-contained leakage alarm function, can remind a user of timely treatment of the problem, is convenient for carrying as a whole, and is worth popularizing and using.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a portable installation real-time electroscope according to an embodiment of the present invention;
FIG. 2 shows a schematic top cross-sectional view of a portable installed real-time electroscope according to an embodiment of the present invention;
FIG. 3 shows an enlarged schematic view of the structure of FIG. 2A in accordance with an embodiment of the present invention;
fig. 4 shows a second schematic diagram of a portable installation real-time electroscope according to an embodiment of the present invention;
FIG. 5 shows an enlarged schematic view of the structure of FIG. 4 at B in accordance with an embodiment of the invention;
fig. 6 shows a schematic diagram of a portable installation real-time electroscope according to an embodiment of the present invention.
In the figure: 1. a handle; 2. a carrier plate; 3. a cylinder; 4. a rotating rod; 5. an electroscope host; 6. a probe; 7. a motor; 8. a screw rod; 9. a rack; 10. a gear; 11. a limit rod; 12. a limit opening; 13. a ring plate; 14. a telescopic rod; 15. an electric push rod; 16. a cylinder; 17. a spray pipe; 18. a suction pipe; 19. a piston; 20. a push rod; 21. a transmission structure; 22. a round shell; 23. a filter screen; 24. a circuit board; 25. a button cell; 26. a conductive sheet; 27. a warning light; 28. a buzzer; 29. an elastic member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a portable real-time electroscope, as shown in fig. 1-6, the portable real-time electroscope comprises a handle 1, the top of the handle 1 is connected with a carrier plate 2 through an adjusting component, a barrel 3 is fixedly arranged in the middle of the top of the carrier plate 2, a rotating rod 4 is rotatably arranged in the barrel 3, connecting plates are symmetrically and fixedly arranged outside the rotating rod 4, an electroscope host 5 is fixedly arranged on the top of a pair of connecting plates, a display screen is arranged outside the electroscope host 5, a probe 6 is arranged on the top of the electroscope host 5, a driving component for driving the rotating rod 4 to rotate is arranged in the barrel 3, a reminding component for reminding the electric leakage of a device is arranged in the handle 1, during use, the height of the carrier plate 2 can be adjusted through the adjusting component, the barrel 3, the rotating rod 4, the connecting plates and the electroscope host 5 can be conveniently adjusted according to actual conditions, the use is facilitated, the adjusting component can rotate the carrier plate 2, the upper electroscope host 5 can be further realize the rotation adjustment, the driving component can drive the rotating rod 4 to rotate or rotate reversely, the driving component can drive the rotating rod 4 to rotate, the probe 6 can drive the corresponding detector 5 to rotate, the corresponding detector 6 can be conveniently adjusted according to the electric leakage of the situation, and the electric current can be conveniently measured by the measuring device can be used for detecting the electric leakage of the electric current, and can be conveniently adjusted at the corresponding electric current, and can be adjusted by the detector 6 can be conveniently adjusted according to the situation, and can realize the measurement value can be adjusted by the electric current can be adjusted by the corresponding to the electric current.
As shown in fig. 3, the driving assembly comprises a motor 7 fixedly installed at the top of the carrier plate 2 and located in the barrel 3, a screw rod 8 is fixedly installed on an output shaft of the motor 7, a rack 9 is sleeved on an external thread of the screw rod 8, a gear 10 meshed with the rack 9 is fixedly sleeved on the external thread of the screw rod 4, a limiting assembly used for limiting the rack 9 is arranged on the outer side of the rack 9, the motor 7 is started to enable the output shaft of the motor to rotate forward, so that the screw rod 8 is driven to rotate along with the screw rod 8, the rack 9 is driven to ascend, the meshed gear 10 is driven to rotate forward, so that the screw rod 4 is driven to rotate along with the screw rod 4, the connecting plate and the electroscope host 5 rotate along with the forward, otherwise, the motor 7 can be started to enable the output shaft of the motor 7 to rotate reversely, the electroscope host 5 is reversely rotated, the angle of the electroscope host 5 is adjusted, the use requirement is met, the rack 9 can be limited through the limiting assembly, the rotation along with the screw rod 8 can not be driven, and extrusion of the gear 10 can be avoided.
As shown in fig. 3, the limiting assembly comprises limiting rods 11 symmetrically and fixedly installed on two sides of the rack 9, limiting openings 12 matched with the limiting rods 11 are formed in the outer side of the cylinder body 3, one ends of the limiting rods 11 extend into the limiting openings 12, the rack 9 cannot rotate due to the cooperation of the limiting rods 11 and the limiting openings 12, and limiting functions of the limiting assemblies are achieved.
As shown in fig. 1, the adjusting component comprises a ring plate 13 rotatably installed at the top of a handle 1, an annular groove is formed in the top of the handle 1, a sliding block is arranged in the annular groove and fixedly connected with the ring plate 13, a plurality of telescopic rods 14 are fixedly installed at the top of the ring plate 13, one ends of the telescopic rods 14, which are far away from the ring plate 13, are fixedly connected with a carrier plate 2, an electric push rod 15 is fixedly installed in the middle of the top end of the handle 1, the top of the electric push rod 15 is rotatably connected with the bottom of the carrier plate 2, the electric push rod 15 is set into a plurality of sections of electric push rods, the electric push rod 15 is started to enable the electric push rod 15 to extend and drive the carrier plate 2 to ascend, further ascending of an electroscope host 5 above can be achieved, position adjustment of the electroscope host 5 above can be achieved, the telescopic rods 14 can be driven to rotate by the rotary ring plate 13, and accordingly the carrier plate 2 is driven to rotate, and rotary adjustment of the electroscope host 5 above is achieved.
As shown in fig. 1 and fig. 4, the cylinder 16 is symmetrically and fixedly installed at the top of the carrier plate 2, the spray pipe 17 and the suction pipe 18 which are communicated with each other are respectively arranged at two sides of the cylinder 16, the check valves are respectively arranged in the spray pipe 17 and the suction pipe 18, a filter assembly for filtering dust is arranged at one end of the spray pipe 17 close to the cylinder 16, a piston 19 is arranged in the cylinder 16, a transmission assembly for driving the piston 19 to move up and down is arranged above the piston 19, the piston 19 at two sides is driven to ascend through the transmission assembly, and descends, when the piston 19 ascends, the cylinder 16 is in a negative pressure state, at the moment, the check valves in the adjacent spray pipe 17 are closed, the check valves in the adjacent suction pipe 18 are opened, at the moment, dust generated by external cleaning is sucked into the cylinder 16 through the suction pipe 18, the dust generated by cleaning is collected, when the piston 19 descends, the check valves in the adjacent spray pipe 17 are opened, the check valves in the cylinder 16 are closed, the check valves in the cylinder 16 at the moment, the air and the dust in the adjacent spray pipe 18 are closed, and the air and the dust in the cylinder 16 are filtered by the filter assembly, and the dust is discharged through the filter assembly, and the check valves in the air and the dust is blown out of the filter assembly, so that the dust is detected in the air probe 6, and the dust is prevented from being influenced by the dust in the detection device, and the dust is detected, and the dust is in the dust is detected, and the dust is detected.
As shown in fig. 4, the transmission assembly includes a push rod 20 fixedly installed at the top end of the piston 19, two sides of the rotary rod 4 are fixedly sleeved with a transmission structure 21 for driving the push rod 20 to descend, an elastic piece 29 is sleeved outside the push rod 20, the elastic piece 29 is set as a spring, two ends of the elastic piece 29 are fixedly connected with the top wall of the piston 19 and the cylinder 16 respectively, the transmission structure 21 is specifically set as a cam member, the outer side of the transmission structure 21 is always abutted against the top end of the push rod 20, two transmission structures 21 on one side are arranged and are arranged in a convex end far away from the top end, one transmission structure 21 on the other side is arranged as one transmission structure and is arranged in a convex end downward, when the rotary rod 4 rotates, the transmission structures 21 on two sides are driven to rotate along with the push rod 20, the two transmission structures 21 on one side are extruded to descend, so as to drive the piston 19 to descend, and simultaneously, the convex end of the other side is separated from the push rod 20 gradually when the transmission structure 21 on the other side rotates, and the elastic piece 29 in a stretching state releases the acting force to drive the piston 19 to ascend.
As shown in fig. 5, the filtering assembly comprises a round shell 22 fixedly installed at one end of the spray pipe 17 close to the cylinder 16, the round shell 22 is communicated with the spray pipe 17, a filter screen 23 is arranged in the round shell 22, the round shell 22 is fixedly connected with the cylinder 16 through bolts, the round shell 22 is communicated with the inside of the cylinder 16, when gas and dust pass through the filter screen 23, the dust is filtered by the filter screen 23 and remains in the cylinder 16, the gas is discharged through the filter screen 23 and the spray pipe 17, the bolts can be removed, and the round shell 22 can be removed, so that the filter screen 23 in the round shell can be cleaned.
As shown in fig. 4, the reminding component comprises a circuit board 24 arranged in the handle 1, the circuit board 24 is electrically connected with the probe 6, a buzzer 28 and a warning lamp 27 are arranged at the bottom of the handle 1, the circuit board 24 is electrically connected with the buzzer 28 and the warning lamp 27, a button battery 25 and a conducting strip 26 matched with the button battery for use are arranged in the handle 1, the conducting strip 26 is electrically connected with the circuit board 24, the buzzer 28 and the warning lamp 27, the button battery 25 is matched with the conducting strip 26 to supply power for the circuit board 24, the buzzer 28 and the warning lamp 27, when the probe 6 detects electric leakage, a current signal is transmitted to the circuit board 24 at the moment, a verification unit in the circuit board 24 can verify the signal, a verification result is transmitted to a control unit, then the buzzer 28 and the warning lamp 27 are controlled to work through the control unit on the circuit board 24, the buzzer 28 gives an alarm, the electric leakage is reminded of the position of the probe 6, the warning lamp 27 is lightened to prompt the position of the probe 6, and thus a user can be reminded of timely processing the problem.
Working principle: when in use, the electric push rod 15 is started to extend and drive the carrier plate 2 to rise, thereby realizing the adjustment of the heights of the cylinder body 3, the rotary rod 4, the connecting plate and the electroscope host 5, facilitating the use, the rotatable annular plate 13 drives the telescopic rod 14 to rotate, thereby driving the carrier plate 2 to rotate, realizing the rotation adjustment of the electroscope host 5 above, starting the motor 7 to drive the output shaft to rotate positively, driving the screw rod 8 to rotate therewith, driving the rack 9 to rise, driving the meshed gear 10 to rotate positively, driving the rotary rod 4 to rotate therewith, driving the connecting plate and the electroscope host 5 to rotate positively, otherwise starting the motor 7 to drive the output shaft to rotate reversely, realizing the reverse rotation of the electroscope host 5, realizing the adjustment of the angle of the electroscope host 5, meeting the use requirement, adapting to work in narrow places where workers cannot enter, the two transmission structures 21 on two sides are driven to rotate along with the rotation of the rotating rod 4, when the two transmission structures 21 on one side rotate, the push rod 20 is extruded to descend so as to drive the piston 19 to descend, meanwhile, the elastic piece 29 is pulled to deform so as to generate acting force, when the transmission structure 21 with the convex end facing downwards rotates, the convex end of the elastic piece 29 at the other side is gradually separated from the push rod 20, at the moment, the elastic piece 29 in a stretching state releases the acting force to drive the piston 19 to ascend, when the piston 19 descends, air and dust in the cylinder 16 are extruded outwards, at the moment, the check valve in the spray pipe 17 adjacent to the piston is opened, the check valve in the suction pipe 18 adjacent to the piston is closed, at the moment, after the air and dust in the cylinder 16 are filtered by the filter assembly, the air is discharged through the spray pipe 17, and the angle of the electroscope host 5 is adjusted, can blow the dust on the route pointed by probe 6 for carry out the clearance of blowing to the dust of the device inside department of waiting to detect, when piston 19 rises, be negative pressure state in the cylinder body 16 that it is located, the check valve in rather than adjacent spray tube 17 is closed this moment, the check valve in rather than adjacent straw 18 is opened, the dust that external clearance produced is inhaled in cylinder body 16 through straw 18 this moment, realize the collection to the clearance production dust, make can accomplish the clearance to the device department of waiting to detect dust in narrow and small space, avoid the dust to influence the detection effect of probe 6.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a real-time electroscope of portable installation, includes handle (1), its characterized in that: the portable electric power generation device is characterized in that the top of the handle (1) is connected with a carrier plate (2) through an adjusting component, a barrel (3) is fixedly installed in the middle of the top of the carrier plate (2), a rotating rod (4) is installed in the barrel (3) in a rotating mode, connecting plates are symmetrically and fixedly installed outside the rotating rod (4), a pair of electroscope hosts (5) are fixedly installed at the tops of the connecting plates, a display screen is arranged outside the electroscope hosts (5), probes (6) are arranged at the tops of the electroscope hosts (5), a driving component used for driving the rotating rod (4) to rotate is arranged in the barrel (3), and a reminding component used for reminding electricity leakage of the device is arranged inside the handle (1);
the top of the support plate (2) is symmetrically and fixedly provided with a cylinder body (16), two sides of the cylinder body (16) are respectively provided with a spray pipe (17) and a suction pipe (18) which are communicated with the cylinder body, one-way valves are arranged in the spray pipe (17) and the suction pipe (18), one end, close to the cylinder body (16), of the spray pipe (17) is provided with a filtering component for filtering dust, the inside of the cylinder body (16) is provided with a piston (19), and a transmission component for driving the piston (19) to move up and down is arranged above the piston;
the transmission assembly comprises a push rod (20) fixedly arranged at the top end of the piston (19), two sides of the rotary rod (4) are fixedly sleeved with a transmission structure (21) for driving the push rod (20) to descend, the outside of the push rod (20) is sleeved with an elastic piece (29), and two ends of the elastic piece (29) are fixedly connected with the top walls of the piston (19) and the cylinder body (16) respectively;
the transmission structure (21) is specifically set to be a cam member, the outside of transmission structure (21) is contradicted with the top of ejector pin (20) all the time, and one side transmission structure (21) set up to two and is protruding end and keep away from the setting, and the opposite side transmission structure (21) set up to one and is protruding end and set up downwards.
2. The portable installed real-time electroscope of claim 1, wherein: the driving assembly comprises a motor (7) fixedly mounted at the top of the carrier plate (2) and located inside the cylinder body (3), a screw rod (8) is fixedly mounted on an output shaft of the motor (7), a rack (9) is sleeved on an external thread of the screw rod (8), a gear (10) meshed with the rack (9) is fixedly sleeved on the external of the rotating rod (4), and a limiting assembly used for limiting the gear is arranged on the outer side of the rack (9).
3. The portable installed real-time electroscope of claim 2, wherein: the limiting assembly comprises limiting rods (11) symmetrically and fixedly arranged on two sides of the rack (9), limiting ports (12) matched with the limiting rods (11) are formed in the outer side of the cylinder body (3), and one ends of the limiting rods (11) extend into the limiting ports (12).
4. The portable installed real-time electroscope of claim 1, wherein: the adjusting component comprises a ring plate (13) which is rotatably arranged at the top of the handle (1), a plurality of telescopic rods (14) are fixedly arranged at the top of the ring plate (13), one end, far away from the ring plate (13), of each telescopic rod (14) is fixedly connected with the carrier plate (2), an electric push rod (15) is fixedly arranged in the middle of the top end of the handle (1), and the top of the electric push rod (15) is rotatably connected with the bottom of the carrier plate (2).
5. The portable installed real-time electroscope of claim 1, wherein: the filter assembly comprises a round shell (22) fixedly mounted at one end, close to the cylinder body (16), of the spray pipe (17), the round shell (22) is communicated with the spray pipe (17), a filter screen (23) is arranged in the round shell (22), the round shell (22) is fixedly connected with the cylinder body (16) through bolts, and the round shell (22) is communicated with the inside of the cylinder body (16).
6. The portable installed real-time electroscope of claim 1, wherein: the reminding component comprises a circuit board (24) arranged inside a handle (1), the circuit board (24) is electrically connected with a probe (6), a buzzer (28) and a warning lamp (27) are arranged at the bottom of the handle (1), the circuit board (24) is electrically connected with the buzzer (28) and the warning lamp (27), a button battery (25) and a conducting strip (26) matched with the button battery for use are arranged inside the handle (1), and the conducting strip (26) is electrically connected with the circuit board (24), the buzzer (28) and the warning lamp (27).
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| CN202111447351.3A CN114137286B (en) | 2021-11-30 | 2021-11-30 | Portable real-time electroscope of installation |
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| CN202111447351.3A CN114137286B (en) | 2021-11-30 | 2021-11-30 | Portable real-time electroscope of installation |
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| CN114137286B true CN114137286B (en) | 2023-07-07 |
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