CN116819396B - Insulation device applied to electric power field for preventing ground fault - Google Patents
Insulation device applied to electric power field for preventing ground fault Download PDFInfo
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- CN116819396B CN116819396B CN202311103842.5A CN202311103842A CN116819396B CN 116819396 B CN116819396 B CN 116819396B CN 202311103842 A CN202311103842 A CN 202311103842A CN 116819396 B CN116819396 B CN 116819396B
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- 238000009413 insulation Methods 0.000 title claims description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000013016 damping Methods 0.000 claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims 5
- 230000035939 shock Effects 0.000 claims 5
- 210000001503 joint Anatomy 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Testing Relating To Insulation (AREA)
Abstract
The invention relates to the technical field of line detection equipment, in particular to an insulating device applied to electric power field ground fault prevention, which comprises a base, wherein four damping mechanisms are fixedly arranged at the top of the base, first adjusting mechanisms are fixedly arranged at the tops of the four damping mechanisms, limiting plates are movably arranged on two sides of the periphery of each first adjusting mechanism, guide grooves are formed in the opposite sides of each limiting plate in a penetrating manner, second adjusting mechanisms are slidably arranged in the two guide grooves, and two fixing blocks which are distributed up and down are fixedly connected to one side surfaces, away from each other, of each limiting plate. Through setting up two detection probes that can carry out interval and height can adjust, the cooperation bottom can carry out the base that promotes, compares current device when using, can detect two circuits simultaneously, improves the efficiency that detects to need not the handheld device of inspector and uses, greatly alleviateed inspector's working strength.
Description
Technical Field
The invention relates to the technical field of line detection equipment, in particular to an insulating device applied to an electric power field for preventing ground faults.
Background
The electric power is an energy source taking electric energy as power, and is usually transmitted by means of a line in a store, and in the use process of the line, a power spring is caused due to some faults, wherein the occurrence of a ground short circuit caused by line skin breakage is common, so that when the fault occurs, an insulating device for preventing the ground fault on the electric power field is required to detect the occurrence position of the fault point.
The existing insulation device for preventing the ground fault on the electric power field can only detect one wire at a time, is relatively weak to use when a plurality of wire harnesses are required to be checked, has low detection efficiency, and meanwhile, the existing device is required to be used by being held by a hand of a detector, so that the insulation device is not suitable for long-time operation.
Disclosure of Invention
In order to solve the problems that the prior insulation device for preventing the ground fault on the electric power field is relatively weak in use and low in detection efficiency when the inspection of a plurality of wiring harnesses is required, and meanwhile, the prior insulation device is required to be used by a hand of a inspector, so that the prior insulation device is not suitable for long-time operation, the invention provides the insulation device for preventing the ground fault on the electric power field, and aims to solve the problems.
The invention provides the following technical scheme: the utility model provides an insulating device for on-spot ground fault prevention of electric power, includes the base, four damper are fixed to be equipped with at the top of base, four damper's top is fixed to be equipped with first guiding mechanism, the periphery both sides of first guiding mechanism all activity are equipped with the limiting plate, two guiding groove has all been seted up in the back of limiting plate, two guiding groove inside all slides and is equipped with second guiding mechanism, two the equal fixedly connected with of a side that the limiting plate kept away from each other two fixed blocks that distribute from top to bottom all rotate between the fixed block is equipped with actuating mechanism.
As the preferable scheme of the invention, the damping mechanism comprises four damping columns, the bottom ends of the four damping columns are fixedly connected with the top surface of the base, springs are fixedly sleeved on the peripheries of the four damping columns, the bottom ends of the springs are abutted with the top surface of the base, the top ends of the four damping columns are fixedly connected with bearing blocks, and the top ends of the springs are abutted with the bottom surface of the bearing blocks.
As a preferred scheme of the invention, the first adjusting mechanism comprises an outer frame, the lower parts of the front and the back of the outer frame are fixedly connected with four bearing blocks, the left side surface and the right side surface of the outer frame are respectively and penetratingly provided with a bar-shaped groove, the bottom surface of the outer frame is penetratingly provided with a shaft hole, the bottom surface of the outer frame is fixedly connected with a first motor at the opening of the shaft hole, an output shaft of the first motor movably penetrates through the shaft hole and extends into the outer frame, the end part of the output shaft of the first motor is fixedly connected with a first screw rod through a connector, the periphery of the first screw rod is in threaded connection with a first adjusting block, the left end and the right end of the first adjusting block are respectively hinged with a lower connecting rod, the other ends of the two lower connecting rods are respectively hinged on opposite side surfaces between the two limiting plates, the inner wall top surfaces of the outer frame are fixedly connected with two U-shaped hinging seats which are respectively hinged with an upper connecting rod, the other ends of the two upper connecting rods are respectively hinged on opposite side surfaces between the two limiting plates, the two connecting rods are in the same size as the two connecting rods and are in two symmetrical upper and lower connecting rods.
As a preferable scheme of the invention, the driving mechanism comprises a second motor, the second motor is fixedly connected to the bottom surface of a fixed block positioned at the bottom of the limiting plate, an output shaft of the second motor movably penetrates through the fixed block, and the end part of the output shaft of the second motor is fixedly connected with a second screw rod through a coupler.
As a preferable scheme of the invention, the second adjusting mechanism comprises a second adjusting block, a side surface of the second adjusting block, which is close to the limiting plate, is fixedly connected with a guide block, the guide block is slidably connected in a guide groove, one side, which is far away from the guide block, of the second adjusting block is fixedly connected with a connecting block, a pin roll is fixedly connected with the upper part of one side surface, which is far away from the second adjusting block, of the connecting block, a grooved pulley is rotatably connected to the outer wall of the pin roll, a mounting plate is fixedly connected with the lower part of one side surface, which is far away from the second adjusting block, of the connecting block, a detection probe is fixedly connected with the bottom of the grooved pulley, a threaded hole is formed in the top surface of the second adjusting block in a penetrating manner, and the threaded hole is in threaded fit connection with the second screw rod.
As a preferable scheme of the invention, the front surface of the outer frame is fixedly connected with a detection module and an alarm lamp, the alarm lamp is positioned at the top of the detection module, and the detection module is electrically connected with two detection probes and the alarm lamp.
As a preferable scheme of the invention, the bottom surface of the base is provided with square grooves in a penetrating way, the square grooves are positioned at the periphery of the bottom of the first motor, and walking wheels are fixedly connected to four corners of the bottom surface of the base.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the two detection probes with adjustable spacing and height and the base capable of pushing with the bottom, compared with the existing device, the two circuits can be detected at the same time when the device is used, so that the detection efficiency is improved, the device is not required to be held by a detector, and the working intensity of the detector is greatly reduced.
2. According to the invention, the first adjusting mechanism is arranged, so that the distance between the live wire and the zero wire of the line can be conveniently adjusted during use, and the second adjusting mechanism is driven to move upwards through the driving mechanism, so that the distance between the live wire and the zero wire of the line can be conveniently adjusted according to the erection height of the line, and the use suitability and the flexibility of the device are further improved.
3. According to the invention, the damping mechanism is used for buffering and jolting the first adjusting mechanism and the second adjusting mechanism, so that damage caused by jolting when the device moves on an uneven or jolting moving surface is avoided, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial bottom view structure according to the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of the invention A of FIG. 2;
FIG. 4 is a schematic diagram of a first adjusting mechanism and a second adjusting mechanism according to the present invention;
fig. 5 is a schematic view of the structure of the sheave and the second adjustment block of the present invention.
In the figure: 1. a base; 2. a damping mechanism; 3. a first adjustment mechanism; 4. a limiting plate; 5. a driving mechanism; 6. a second adjustment mechanism; 7. a detection module; 8. a warning light; 9. a walking wheel; 101. a square groove; 201. a shock-absorbing column; 202. a spring; 203. a support block; 301. an outer frame; 302. a bar-shaped groove; 303. a shaft hole; 304. a first motor; 305. a first screw rod; 306. a first adjustment block; 307. a lower connecting rod; 308. a U-shaped hinging seat; 309. an upper connecting rod; 401. a guide groove; 402. a fixed block; 501. a second motor; 502. a second screw rod; 601. a second adjustment block; 602. a guide block; 603. a connecting block; 604. a pin shaft; 605. a sheave; 606. a mounting plate; 607. a detection probe; 608. and (3) a threaded hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Examples: referring to fig. 1-5, an insulation device for preventing ground faults on an electric power field comprises a base 1, four damping mechanisms 2 are fixedly arranged at the top of the base 1, first adjusting mechanisms 3 are fixedly arranged at the tops of the four damping mechanisms 2, limiting plates 4 are movably arranged at two sides of the periphery of the first adjusting mechanisms 3, guide grooves 401 are formed in the opposite sides of the two limiting plates 4 in a penetrating mode, second adjusting mechanisms 6 are slidably arranged in the two guide grooves 401, fixing blocks 402 which are distributed up and down are fixedly connected to one side surfaces, away from each other, of the two limiting plates 4, driving mechanisms 5 are rotatably arranged between the two fixing blocks 402, and the damping mechanisms 2 are used for buffering and jolting effects on the first adjusting mechanisms 3 and the second adjusting mechanisms 6, so that damage caused by jolting of the device is avoided, the service life of the device is prolonged.
In this embodiment, referring to fig. 1-3, the damping mechanism 2 includes four damping columns 201, bottom ends of the four damping columns 201 are fixedly connected with the top surface of the base 1, springs 202 are fixedly sleeved on peripheries of the four damping columns 201, bottom ends of the springs 202 are abutted to the top surface of the base 1, top ends of the four damping columns 201 are fixedly connected with bearing blocks 203, top ends of the springs 202 are abutted to bottom surfaces of the bearing blocks 203, and under the cooperation of the damping columns 201 and the springs 202, the effect of buffering and jolting of the first adjusting mechanism 3 and the second adjusting mechanism 6 is achieved, damage caused by jolting of the device is avoided, and accordingly the service life of the device is prolonged.
In this embodiment, referring to fig. 2 and 4, the first adjusting mechanism 3 includes an outer frame 301, the front and back lower portions of the outer frame 301 are fixedly connected with four supporting blocks 203, the left side surface and the right side surface of the outer frame 301 are respectively provided with a bar-shaped groove 302 in a penetrating manner, the bottom surface of the outer frame 301 is provided with a shaft hole 303 in a penetrating manner, the bottom surface of the outer frame 301 is provided with a first motor 304 at the opening of the shaft hole 303, the output shaft of the first motor 304 movably penetrates the shaft hole 303 and extends into the outer frame 301, the end of the output shaft of the first motor 304 is fixedly connected with a first screw rod 305 through a connector, the periphery of the first screw rod 305 is connected with a first adjusting block 306 through a connector, the left and right ends of the first adjusting block 306 are hinged with lower connecting rods 307, the other ends of the two lower connecting rods 307 are respectively hinged on the opposite side surfaces between the two limiting plates 4, the inner wall of the outer frame 301 is fixedly connected with two left and right distributed U-shaped hinging seats 308, the two U-shaped hinging seats 308 are hinged with upper connecting rods 309, wherein the other ends of the two upper connecting rods 309 are respectively hinged on opposite side surfaces between the two limiting plates 4, the two upper connecting rods 309 and the two lower connecting rods 307 have the same specification and size, the two upper connecting rods 309 and the two lower connecting rods 307 are distributed symmetrically up and down, when the first motor 304 is driven, the first screw rod 305 is directly driven to rotate, the first adjusting block 306 in threaded connection with the first screw rod 305 is caused to move upwards, thereby under the combined action of the two lower connecting rods 307 and the two upper connecting rods 309, the two limiting plates 4 are pushed to expand towards two sides, the distance between a fire wire and a zero wire of a line to be detected is adjusted to be the same, so that in practical use, the distance between two wire harnesses can be adjusted according to the line erection, the suitability and flexibility of the device are improved.
In this embodiment, referring to fig. 4 and 5, the driving mechanism 5 includes a second motor 501, the second motor 501 is fixedly connected to the bottom surface of a fixed block 402 located at the bottom of the limiting plate 4, an output shaft of the second motor 501 movably penetrates through the fixed block 402, an output shaft end of the second motor 501 is fixedly connected with a second screw rod 502 through a coupling, the second adjusting mechanism 6 includes a second adjusting block 601, a side surface of the second adjusting block 601 close to the limiting plate 4 is fixedly connected with a guide block 602, the guide block 602 is slidably connected in the guide groove 401, one side of the second adjusting block 601 away from the guide block 602 is fixedly connected with a connecting block 603, an upper part of a side surface of the connecting block 603 away from the second adjusting block 601 is fixedly connected with a pin shaft 604, a grooved pulley 605 is rotatably connected to an outer wall of the pin shaft 604, a lower part of a side surface of the connecting block 603 away from the second adjusting block 601 is fixedly connected with a mounting plate 606, the top surface of the mounting plate 606 is fixedly connected with a detection probe 607, the detection probe 607 is positioned at the bottom of the grooved pulley 605, the top surface of the second adjusting block 601 is provided with a threaded hole 608 in a penetrating way, the threaded hole 608 is in threaded fit connection with the second screw rod 502, the second screw rod 502 is directly driven to rotate under the driving action of the second motor 501, thereby the second adjusting block 601 in threaded connection with the second screw rod is driven to move upwards under the guiding action of the guide block 602 and the guide groove 401, the connecting block 603 and the mounting plate 606 are driven to move upwards synchronously, the grooved pulley 605 and the detection probe 607 move upwards synchronously, then the lower wheel grooves of the two grooved pulleys 605 are clamped outside a fire wire and a zero wire of a line to be detected respectively, at the moment, the two detection probes 607 are positioned under the two wires, a detector pushing device moves along the direction of the path erected by the line, at the moment, the grooved pulley 605 walks around the wire, the two detection probes 607 detect two lines simultaneously, so that the efficiency of line detection is improved.
In this embodiment, referring to fig. 1 and 2, a detection module 7 and a warning lamp 8 are fixedly connected to the front surface of the outer frame 301, the warning lamp 8 is located at the top of the detection module 7, the detection module 7 is electrically connected with two detection probes 607 and the warning lamp 8, and the detection module 7 is arranged to receive signals collected by the two detection probes 607, and when a fault point is detected, the warning lamp 8 flashes to timely remind a inspector of the position of line fault.
In this embodiment, referring to fig. 2, the bottom surface of the base 1 is provided with a square groove 101 in a penetrating manner, the square groove 101 is located at the bottom periphery of the first motor 304, four corners of the bottom surface of the base 1 are fixedly connected with travelling wheels 9, and by setting the square groove 101, the bottom of the first motor 304 is prevented from knocking to the top surface of the base 1 during jolt, and the effect of preventing the first motor 304 from knocking is achieved.
In the working process, in the initial state, the two limiting plates 4 of the device are stored and attached to the two sides of the outer frame 301, through the arrangement of the travelling wheels 9, a inspector can conveniently move the device to a detection line position area, when the inspector encounters an uneven or jolt moving surface in the moving process, the damping mechanism 2 is used for buffering and jolting the first adjusting mechanism 3 and the second adjusting mechanism 6, damage of the device caused by jolting is avoided, the service life of the device is prolonged, the first adjusting mechanism 3 is arranged, the adjustment can be conveniently carried out according to the distance between a live wire and a zero wire of an erected line during the use, at the moment, the first lead screw 305 is directly driven to rotate under the driving action of the first motor 304, the first adjusting block 306 in threaded connection with the first lead screw 305 is caused to move upwards, under the combined action of the two lower connecting rods 307 and the two upper connecting rods 309, the two limiting plates 4 are pushed to expand to two sides, when the distance between the two limiting plates 4 is adjusted to be equal to the distance between the live wire and the zero wire of a circuit to be detected, the second adjusting mechanism 6 is driven to move upwards by the driving mechanism 5, at the moment, the second screw rod 502 is directly driven to rotate under the driving action of the second motor 501, so that the second adjusting block 601 in threaded connection with the second screw rod 502 is driven to move upwards under the guiding action of the guiding block 602 and the guiding groove 401, the connecting block 603 and the mounting plate 606 are driven to synchronously move upwards, the grooved pulley 605 and the detecting probe 607 are synchronously moved upwards, then the lower wheel grooves of the two grooved pulley 605 are clamped outside the live wire and the zero wire of the circuit to be detected respectively, at the moment, the two detecting probes 607 are positioned under the two wires, the inspector pushing device moves along the path direction of line erection, at this time, the grooved pulley 605 walks around the periphery of the wire, and the two inspection probes 607 inspect the two lines simultaneously, so that the efficiency of line inspection is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an insulating device for on-spot ground fault that prevents of electric power, includes base (1), its characterized in that: four damping mechanisms (2) are fixedly arranged at the top of the base (1), first adjusting mechanisms (3) are fixedly arranged at the tops of the four damping mechanisms (2), limiting plates (4) are movably arranged on two sides of the periphery of each first adjusting mechanism (3), guide grooves (401) are formed in the opposite back surfaces of the limiting plates (4) in a penetrating mode, second adjusting mechanisms (6) are slidably arranged in the guide grooves (401), two fixing blocks (402) which are distributed up and down are fixedly connected to one side surfaces, away from each other, of each limiting plate (4), and driving mechanisms (5) are rotatably arranged between the two fixing blocks (402);
the first adjusting mechanism (3) comprises an outer frame (301), the front and back lower parts of the outer frame (301) are fixedly connected with four supporting blocks (203), the left side surface and the right side surface of the outer frame (301) are respectively and penetratingly provided with a bar-shaped groove (302), the bottom surface of the outer frame (301) is respectively and penetratingly provided with a shaft hole (303), the bottom surface of the outer frame (301) is fixedly connected with a first motor (304) at the opening of the shaft hole (303), the output shaft of the first motor (304) movably penetrates through the shaft hole (303) and extends into the outer frame (301), the end part of the output shaft of the first motor (304) is fixedly connected with a first screw rod (305) through a connector, the peripheral thread of the first screw rod (305) is connected with a first adjusting block (306), the left end and the right end of the first screw rod (306) are respectively hinged with a lower connecting rod (307), the other ends of the two lower connecting rods (307) are respectively hinged on opposite sides between two limiting plates (4), the inner wall top surface of the outer frame (301) is fixedly connected with two U-shaped connecting rods (309), the two U-shaped connecting rods (308) are respectively hinged on two opposite upper connecting rods (309) and two lower connecting rods (308) with two opposite upper connecting rods (309), and the two upper connecting rods (309) and the two lower connecting rods (307) are distributed symmetrically up and down;
the second adjusting mechanism (6) comprises a second adjusting block (601), a side fixedly connected with guide block (602) of the second adjusting block (601) near the limiting plate (4), the guide block (602) is slidably connected in the guide groove (401), one side fixedly connected with connecting block (603) of the second adjusting block (601) far away from the guide block (602), a side upper fixedly connected with round pin axle (604) of the second adjusting block (601) is far away from to the connecting block (603), a grooved pulley (605) is rotationally connected on the outer wall of the round pin axle (604), a side lower part fixedly connected with mounting plate (606) of the connecting block (603) far away from the second adjusting block (601), a detection probe (607) is fixedly connected with the top surface of the mounting plate (606), the detection probe (607) is located at the bottom of the grooved pulley (605), a threaded hole (608) is formed in a penetrating mode in the top surface of the second adjusting block (601), and the threaded hole (608) is connected with the second screw rod (502) in a threaded fit mode.
2. An insulation device for use in the field of electric power for protection from ground faults as claimed in claim 1, wherein: the shock absorption mechanism (2) comprises four shock absorption columns (201), the bottom ends of the four shock absorption columns (201) are fixedly connected with the top surface of the base (1), springs (202) are fixedly sleeved on the periphery of the shock absorption columns (201), the bottom ends of the springs (202) are in butt joint with the top surface of the base (1), the top ends of the shock absorption columns (201) are fixedly connected with bearing blocks (203), and the top ends of the springs (202) are in butt joint with the bottom surface of the bearing blocks (203).
3. An insulation device for use in the field of electric power for protection from ground faults as claimed in claim 1, wherein: the driving mechanism (5) comprises a second motor (501), the second motor (501) is fixedly connected to the bottom surface of a fixed block (402) located at the bottom of the limiting plate (4), an output shaft of the second motor (501) movably penetrates through the fixed block (402), and the end part of the output shaft of the second motor (501) is fixedly connected with a second screw rod (502) through a coupler.
4. An insulation device for use in the field of electric power for protection from ground faults as claimed in claim 1, wherein: the front fixedly connected with detection module (7) and warning light (8) of frame (301), warning light (8) are located the top of detection module (7), detection module (7) are electric connection with two detection probes (607) and warning light (8).
5. An insulation device for use in the field of electric power for protection from ground faults as claimed in claim 1, wherein: the bottom surface of base (1) runs through and has offered square groove (101), square groove (101) are located the bottom periphery of first motor (304), the bottom surface four corners department of base (1) all fixedly connected with walking wheel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311103842.5A CN116819396B (en) | 2023-08-30 | 2023-08-30 | Insulation device applied to electric power field for preventing ground fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311103842.5A CN116819396B (en) | 2023-08-30 | 2023-08-30 | Insulation device applied to electric power field for preventing ground fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116819396A CN116819396A (en) | 2023-09-29 |
| CN116819396B true CN116819396B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311103842.5A Active CN116819396B (en) | 2023-08-30 | 2023-08-30 | Insulation device applied to electric power field for preventing ground fault |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210604460U (en) * | 2019-04-17 | 2020-05-22 | 中国石油化工股份有限公司 | XRF automatic testing device suitable for rock core test |
| CN111458656A (en) * | 2020-05-08 | 2020-07-28 | 陈泽 | Be applied to on-spot earth fault's of electric power insulating device |
| CN215728724U (en) * | 2021-08-27 | 2022-02-01 | 舟山安亥安全科技有限公司 | Electric power transmission cable electric leakage detection device with safety protection structure |
| CN115321296A (en) * | 2022-08-16 | 2022-11-11 | 大连恒亚仪器仪表有限公司 | Elevator 125% load brake performance comprehensive detector |
| CN115774167A (en) * | 2022-11-30 | 2023-03-10 | 国网河南省电力公司社旗县供电公司 | Be applied to on-spot earth fault's of electric power insulating device |
| CN116148593A (en) * | 2022-12-08 | 2023-05-23 | 国网河南省电力公司社旗县供电公司 | Insulation device applied to electric power field for preventing ground fault |
-
2023
- 2023-08-30 CN CN202311103842.5A patent/CN116819396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210604460U (en) * | 2019-04-17 | 2020-05-22 | 中国石油化工股份有限公司 | XRF automatic testing device suitable for rock core test |
| CN111458656A (en) * | 2020-05-08 | 2020-07-28 | 陈泽 | Be applied to on-spot earth fault's of electric power insulating device |
| CN215728724U (en) * | 2021-08-27 | 2022-02-01 | 舟山安亥安全科技有限公司 | Electric power transmission cable electric leakage detection device with safety protection structure |
| CN115321296A (en) * | 2022-08-16 | 2022-11-11 | 大连恒亚仪器仪表有限公司 | Elevator 125% load brake performance comprehensive detector |
| CN115774167A (en) * | 2022-11-30 | 2023-03-10 | 国网河南省电力公司社旗县供电公司 | Be applied to on-spot earth fault's of electric power insulating device |
| CN116148593A (en) * | 2022-12-08 | 2023-05-23 | 国网河南省电力公司社旗县供电公司 | Insulation device applied to electric power field for preventing ground fault |
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| Publication number | Publication date |
|---|---|
| CN116819396A (en) | 2023-09-29 |
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