CN112362970A - Phase analysis instrument of partial discharge PRPD atlas - Google Patents
Phase analysis instrument of partial discharge PRPD atlas Download PDFInfo
- Publication number
- CN112362970A CN112362970A CN202011115189.0A CN202011115189A CN112362970A CN 112362970 A CN112362970 A CN 112362970A CN 202011115189 A CN202011115189 A CN 202011115189A CN 112362970 A CN112362970 A CN 112362970A
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- fixed
- wall
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- box
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a phase analysis instrument of a partial discharge PRPD atlas, which comprises a fixed shaft, wherein two fixed columns which are symmetrical up and down and are centrosymmetric are fixed on the fixed shaft, annular grooves are formed in the fixed columns, racks positioned on the right side of the fixed shaft are connected to the inner wall of each annular groove in a sliding mode, and centrosymmetric discs are fixed on the lower side of the fixed shaft.
Description
Technical Field
The invention relates to the technical field of partial discharge, in particular to a phase analyzer of a partial discharge PRPD map.
Background
Partial discharge is electrical discharge of equipment which is partially broken down in an insulation system, a phase analysis instrument of an existing partial discharge PRPD spectrum needs to display the spectrum of the partial discharge, the instrument does not have the function of adjusting different angles and directions, so that an observer cannot conveniently observe the analysis instrument, the partial discharge can generate a high-frequency signal, the signal needs to be detected, if the partial discharge occurs, the insulation problem of the equipment can be explained, the phase analysis instrument only has a detection function and needs to have the function of treating the partial discharge, and a clamping device of the existing phase analysis instrument does not have the function of adapting to different positions and heights and detecting the partial discharge.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a phase analyzer of a partial discharge PRPD map, and solve the problem that the phase analyzer is not suitable for different positions and heights and has the function of detecting partial discharge.
The invention is realized by the following technical scheme.
The invention relates to a phase analyzer of a partial discharge PRPD atlas, which comprises a fixed shaft, wherein two fixed columns which are symmetrical up and down and are centrosymmetric are fixed on the fixed shaft, annular grooves are arranged in the fixed columns, racks which are positioned on the right side of the fixed shaft are connected to the inner wall of the annular groove in a sliding manner, centrosymmetric discs are fixed on the lower side of the fixed shaft, the discs are connected with fixed cylinders which are symmetrical with the center of the fixed shaft in a sliding manner, circular grooves are arranged in the fixed cylinders, connecting shafts which extend upwards are connected to the inner walls of the circular grooves in a sliding manner, sliding discs which are connected to the fixed shaft in a sliding manner and are symmetrical with the center of the fixed shaft are fixed on the inner wall of the fixed shaft, rotating wheels are connected on the right side of the fixed cylinders in a meshing manner, a motor which is fixed, the right side of the T-shaped rod is fixedly provided with a fixed block, the lower side of the fixed block is rotatably connected with a rotating shaft, the lower side of the rotating shaft is rotatably connected with auxiliary wheels which are bilaterally symmetrical relative to the rotating shaft, an extending block is fixedly arranged on the upper side of the fixed block, the right side of the extending block is fixedly provided with a connecting block, a connecting cavity is arranged in the connecting block, the left side inner wall of the connecting cavity is slidably connected with a connecting rod, the front side section of the connecting rod is slidably connected with the right side inner wall of the extending cavity and the left side of the connecting rod is fixedly connected with the supporting rod, a spring is arranged between the right side of the connecting rod and the right side inner wall of the connecting cavity, an extending cavity is arranged in the extending block, the left side inner wall of the extending cavity is slidably connected with, spline sleeve splined connection extends from top to bottom and is located the left main shaft of connecting rod rear side section, main shaft splined connection has and is located extend the left vice colored sleeve of piece, vice colored sleeve outside is fixed with the rolling disc, rolling disc downside sliding connection is about two fixed pins of main shaft bilateral symmetry, two the fixed pin downside is fixed with fixed connection in extend the left connecting plate of piece, be equipped with in the rolling disc about six vice grooves of main shaft circumference array distribution, vice inslot wall sliding connection has the slider, the slider is close to main shaft one side with be equipped with vice spring between the vice inslot wall, vice intracavity is equipped with the climbing device that is used for climbing, vice case upside is equipped with and is used for detecting discharge detection device.
Preferably, the climbing device comprises a main motor fixed on the inner wall of the right side of the auxiliary cavity, the left side of the main motor is rotatably connected with a threaded rod extending leftwards, the auxiliary cavity is fixedly provided with a fixed plate positioned on the left side of the main motor, the vertical section of the fixed plate is rotatably connected to the threaded rod, the horizontal section of the fixed plate is rotatably connected with a gear meshed with the rack and meshed with the threaded rod, the gear is fixedly provided with an auxiliary wheel positioned on the front side of the horizontal section of the fixed plate, the right side of the auxiliary wheel is meshed with a driven wheel rotatably connected to the front side of the horizontal section of the fixed plate, the front side of the driven wheel is fixedly provided with a bevel gear, and the lower side of the.
Preferably, the detection device comprises a fixed box fixed on the upper side of the auxiliary box, a fixed cavity is arranged in the fixed box, two fixed motors which are bilaterally symmetrical relative to the symmetrical center line of the fixed box are fixed on the inner wall of the lower side of the fixed cavity, a lead screw is rotatably connected on the upper side of the fixed motor, two moving blocks which are vertically symmetrical are in threaded connection with the lead screw, a closed box is fixed on one side, close to the symmetrical center line of the fixed box, of the two moving blocks on the horizontal side, a closed cavity is arranged in the closed box, detection boxes are arranged in the upper and lower closed cavities, a detection cavity is arranged in the detection box, a conducting rod which extends leftwards is fixed on the inner wall on the right side of the detection cavity, three flanges which are distributed in a path array manner relative to the conducting rod are fixed on the upper and lower inner walls of the detection cavity, insulator and right side be equipped with between the flange and be fixed in detect the built-in inductor of chamber upside inner wall, the detection case downside is fixed with and is located the external inductor of insulator downside, conducting rod left side sliding connection has threaded connection in the left side the conducting block of half section under the lead screw, conducting block upside butt has threaded connection in the left side the vice conducting block of half section on the lead screw, vice conducting block left side sliding connection has and is fixed in the electronic box of fixed chamber left side inner wall.
Preferably, four supporting seats distributed in a rectangular array are fixed on the lower side of the disc, and rollers are rotatably connected to the lower sides of the supporting seats.
The invention has the beneficial effects that: the invention relates to equipment for clamping a phase analysis instrument, which is suitable for different heights and angles, so that the display angle of a partial discharge spectrum can be rotated randomly within three hundred sixty degrees, the device can be moved randomly, the condition that the head and feet of the instrument are light after the instrument is placed on the equipment can be prevented, whether partial discharge exists can be detected in time, and corresponding treatment can be carried out.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of the inside of the fixing box of FIG. 1 according to the embodiment of the present invention;
FIG. 3 is an enlarged schematic view taken at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the position B-B in FIG. 1 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The phase analyzer of partial discharge PRPD atlas shown in fig. 1-4 includes a fixed shaft 13, two fixed columns 11 that are vertically symmetrical and are centrosymmetric are fixed on the fixed shaft 13, an annular groove 12 is formed in each fixed column 11, a rack 46 located on the right side of the fixed shaft 13 is slidably connected to the inner wall of the annular groove 12, a centrosymmetric disc 20 is fixed on the lower side of the fixed shaft 13, the disc 20 is slidably connected to a fixed cylinder 19 that is centrosymmetric with respect to the fixed shaft 13, a circular groove 69 is formed in the fixed cylinder 19, an upwardly extending connecting shaft 18 is slidably connected to the inner wall of the circular groove 69, a sliding disc 17 that is slidably connected to the fixed shaft 13 and is centrosymmetric with respect to the fixed shaft 13 is fixed on the upper side of the connecting shaft 18, a rotating wheel 24 is engaged with the right side of the fixed cylinder 19, and a motor 25 fixed, the disc 20 outside is equipped with sliding tray 23, sliding tray 23 inner wall sliding connection has the T shape pole 27 that is located disc 20 right side, T shape pole 27 right side is fixed with fixed block 30, fixed block 30 downside rotates and is connected with pivot 29, pivot 29 downside rotates and is connected the auxiliary wheel 28 about pivot 29 bilateral symmetry, fixed block 30 upside is fixed with extension piece 32, extension piece 32 right side is fixed with connecting block 34, be equipped with connecting chamber 65 in the connecting block 34, connecting chamber 65 left side inner wall sliding connection has connecting rod 66, connecting rod 66 front side section sliding connection in extend chamber 31 right side inner wall and left side fixed connection in bracing piece 37, connecting rod 66 right side with be equipped with spring 67 between connecting chamber 65 right side inner wall, be equipped with extend chamber 31 in the extension piece 32, extend chamber 31 left side inner wall sliding connection has the bracing piece 37 that upwards extends, an auxiliary box 68 fixedly connected to the right side of the sliding disc 17 is fixed on the upper side of the supporting rod 37, an auxiliary cavity 41 with a left opening is arranged in the auxiliary box 68, the inner wall of the lower side of the auxiliary cavity 41 is rotatably connected with a spline sleeve 38, the spline sleeve 38 is connected with a main shaft 26 which extends up and down and is positioned on the left side of the rear section of the connecting rod 66, the main shaft 26 is connected with an auxiliary flower sleeve 35 positioned on the left side of the extending block 32 in a spline mode, a rotating disc 33 is fixed on the outer side of the auxiliary flower sleeve 35, two fixing pins 36 which are symmetrical left and right relative to the main shaft 26 are slidably connected on the lower side of the rotating disc 33, a connecting plate 71 fixedly connected to the left side of the extending block 32 is fixed on the lower side of the two fixing pins 36, six auxiliary grooves 62 which are distributed in a circumferential array mode relative to the main shaft 26 are arranged in the rotating disc 33, a sliding, a climbing device 901 for climbing is arranged in the auxiliary cavity 41, and a detection device 902 for detecting discharge is arranged on the upper side of the auxiliary box 68.
Advantageously, the climbing device 901 comprises a main motor 43 fixed on the inner wall of the right side of the secondary cavity 41, a threaded rod 44 extending leftwards is rotatably connected to the left side of the main motor 43, a fixed plate 42 positioned on the left side of the main motor 43 is fixed on the secondary cavity 41, a vertical section of the fixed plate 42 is rotatably connected to the threaded rod 44, a gear 14 engaged and connected to the rack 46 and engaged and connected to the threaded rod 44 is rotatably connected to the horizontal section of the fixed plate 42, a secondary wheel 15 positioned on the front side of the horizontal section of the fixed plate 42 is fixed on the gear 14, a driven wheel 16 rotatably connected to the front side of the horizontal section of the fixed plate 42 is engaged and connected to the right side of the secondary wheel 15, a bevel gear 40 is fixed on the front side of the driven wheel 16, a secondary bevel gear 39 fixed on the main shaft 26 is engaged and, the threaded rod 44 is made to rotate, the gear 14 is made to rotate by meshing, and the gear 14 is made to rotate along the rack 46 by meshing, so that the sub-tank 68 is moved upward, and the sliding disk 17 is made to move upward along the fixed shaft 13, facilitating the placement of the analysis instrument.
Beneficially, the detecting device 902 includes a fixed box 45 fixed on the upper side of the sub-box 68, a fixed cavity 47 is provided in the fixed box 45, two fixed motors 60 bilaterally symmetric with respect to the symmetric center line of the fixed box 45 are fixed on the inner wall of the lower side of the fixed cavity 47, a lead screw 59 is rotatably connected on the upper side of the fixed motor 60, two moving blocks 55 vertically symmetric are connected to the lead screw 59 by screw threads, a closed box 48 is fixed on one side of the two moving blocks 55 on the horizontal side close to the symmetric center line of the fixed box 45, a closed cavity 49 is provided in the closed box 48, a detecting box 51 is provided in the two closed cavities 49, a detecting cavity 53 is provided in the detecting box 51, a conducting rod 61 extending leftward is fixed on the inner wall of the right side of the detecting cavity 53, and three flanges 50 distributed in array with respect to the path, two insulators 52 which are fixedly connected to the upper inner wall and the lower inner wall of the detection cavity 53 and are symmetrical up and down with respect to the conducting rod 61 are arranged on the right side of the middle flange 50, an internal inductor 54 which is fixed to the upper inner wall of the detection cavity 53 is arranged between the insulators 52 and the right flange 50, an external inductor 70 which is positioned on the lower side of the insulator 52 is fixed on the lower side of the detection box 51, a conducting block 58 which is in threaded connection with the lower half section of the left lead screw 59 is in sliding connection with the left side of the conducting rod 61, a secondary conducting block 56 which is in threaded connection with the upper half section of the left lead screw 59 is in abutting connection with the upper side of the conducting block 58, an electric box 57 which is fixed to the left inner wall of the fixed cavity 47 is in sliding connection with the left side of the secondary conducting block 56, the electric box 57 enables the conducting rod 61 to be electrified, and the internal, if discharging is detected, namely the insulation part is damaged at the moment, the fixed motor 60 is started, so that the screw rod 59 rotates, the auxiliary conductive block 56 is separated from the conductive block 58, the power is cut off, the detection box 51 is sealed, and the leakage of insulating gas is prevented.
Advantageously, four supporting seats 21 are fixed on the lower side of the disc 20, and are distributed in a rectangular array, and the rollers 22 are rotatably connected to the lower side of the supporting seats 21, so that the instrument can be conveniently transported.
In the initial state, the motor 25, the main motor 43, and the fixed motor 60 are in the off state, the sub conductive block 56 and the lead screw 59 are in contact with each other, the insulating gas is input into the detection chamber 53, and the sub spring 64 and the spring 67 are in the compressed state.
In operation, the analyzer is fixed on the upper side of the threaded rod 44, because the phase analyzer needs to display a map, different occasions and heights need to be used, when the displayed height is not enough, the main motor 43 is started, the threaded rod 44 rotates to enable the gear 14 to rotate anticlockwise through meshing, the gear 14 moves upwards along the rack 46 due to the meshing of the gear 14 and the rack 46, the auxiliary box 68 and the sliding disc 17 move upwards along the fixed shaft 13, the displayed height of the phase analyzer can be controlled, when the gear 14 rotates, the auxiliary wheel 15 on the front side of the horizontal section of the fixed plate 42 rotates together, the auxiliary wheel 15 rotates the driven wheel 16 on the right side through meshing, the bevel gear 40 rotates together, the auxiliary bevel gear 39 drives the main shaft 26 to rotate through meshing, the main shaft 26 rotates to enable the rotating disc 33 through the auxiliary flower sleeve 35, the rotating disc 33 will slide along the upper side of the connecting plate 71, the sliding block 63 in the rotating disc 33 will slide along the inner wall of the auxiliary groove 62 to the side far from the main shaft 26 under the action of centrifugal force, so that the auxiliary spring 64 is compressed, at this time, the rear section of the connecting rod 66 will slide right along the inner wall of the left side of the connecting cavity 65, so that the spring 67 is compressed, at this time, the front section of the connecting rod 66 will slide right along the inner wall of the right side of the extending cavity 31, the front section of the connecting rod 66 will not limit the extending block 32 to slide along the inner wall of the extending cavity 31, so that the supporting rod 37 can move up under the driving of the auxiliary box 68, when the gear 14 does not rotate, the rotating disc 33 will not rotate, the sliding block 63 cannot move the connecting rod 66, at this time, the connecting rod 66 will make the front section of the connecting rod 66 block the supporting rod 37, will drive the connecting shaft 18 to move upwards along the inner wall of the circular groove 69, and the main shaft 26 will move upwards along the spline sleeve 38, and the main shaft 26 will move upwards along the auxiliary spline sleeve 35, when the direction to be displayed needs to be changed, the motor 25 will be started, so that the rotating wheel 24 will rotate, the rotating wheel 24 will make the fixed cylinder 19 rotate along the upper side of the disc 20 by meshing, the sliding disc 17 and the auxiliary box 68 will be driven to rotate together by the connecting shaft 18, the gear 14 will make the rack 46 rotate together along the inner wall of the circular groove 12, at the same time, the extending block 32 will also rotate together by the supporting rod 37, the extending block 32 will make the fixed block 30 drive the T-shaped rod 27 to slide along the inner wall of the sliding groove 23, and the auxiliary wheel 28 has the supporting and timely steering functions, the electric box 57 will make the conductive rod 61 conductive by the auxiliary conductive block 56 and the conductive, and at this moment, the device has insulation defects, the built-in inductor 54 and the external inductor 70 are triggered, the fixed motor 60 rotates, the fixed motor 60 enables the upper moving block 55 and the lower moving block 55 to move oppositely through threads, the detection box 51 is covered in the closed cavity 49, the leakage of insulating gas can be prevented, meanwhile, the auxiliary conducting block 56 and the conducting block 58 can oppositely move along the screw rod 59 under the action of the threads, so that the conducting rod 61 is not in contact, and danger is prevented.
When the operation is finished, the motor 25, the main motor 43 and the fixed motor 60 are turned off, and the instrument with partial discharge is overhauled.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a phase place analytical instrument of partial discharge PRPD atlas, includes the fixed axle, the fixed axle is fixed with two fixed columns of longitudinal symmetry and centrosymmetry, be equipped with the ring channel in the fixed column, ring channel inner wall sliding connection has the rack that is located the fixed axle right side, fixed axle downside is fixed with centrosymmetric disc, its characterized in that: the disc is connected with a fixed cylinder which is symmetrical with respect to the center of the fixed shaft in a sliding way, a circular groove is arranged in the fixed cylinder, the inner wall of the circular groove is connected with a connecting shaft which extends upwards in a sliding way, a sliding disc which is connected with the fixed shaft in a sliding way and is symmetrical with respect to the center of the fixed shaft is fixed on the upper side of the connecting shaft, the right side of the fixed cylinder is connected with a rotating wheel in a meshing way, the lower side of the rotating wheel is connected with a motor which is fixed on the upper side of the disc in a rotating way, the outer side of the disc is provided with a sliding groove, the inner wall of the sliding groove is connected with a T-shaped rod which is positioned on the right side of the disc in a sliding way, a fixed block is fixed on the right side of the T-, the inner wall of the left side of the connecting cavity is slidably connected with a connecting rod, the front section of the connecting rod is slidably connected with the right inner wall of the extending cavity, the left side of the connecting rod is fixedly connected with the supporting rod, a spring is arranged between the right side of the connecting rod and the right inner wall of the connecting cavity, an extending cavity is arranged in the extending block, the left inner wall of the extending cavity is slidably connected with an upwardly extending supporting rod, the upper side of the supporting rod is fixedly connected with an auxiliary box fixedly connected with the right side of the sliding disc, an auxiliary cavity with a left opening is arranged in the auxiliary box, the inner wall of the lower side of the auxiliary cavity is rotatably connected with a spline sleeve, the spline sleeve is in spline connection with a main shaft which extends up and down and is positioned at the left side of the rear section of the connecting rod, the main shaft is in spline connection with, two the fixed pin downside is fixed with fixed connection in the left connecting plate of extension piece, be equipped with in the rolling disc about six auxiliary grooves of main shaft circumference array distribution, auxiliary groove inner wall sliding connection has the slider, the slider be close to main shaft one side with be equipped with vice spring between the auxiliary groove inner wall, vice intracavity is equipped with the climbing device that is used for climbing, vice case upside is equipped with the detection device that is used for detecting discharge.
2. A phase analyzer of partial discharge PRPD profile according to claim 1, wherein: the climbing device comprises a main motor fixed on the inner wall of the right side of an auxiliary cavity, the left side of the main motor is rotatably connected with a threaded rod extending leftwards, a fixed plate positioned on the left side of the main motor is fixed on the auxiliary cavity, a vertical section of the fixed plate is rotatably connected to the threaded rod, a horizontal section of the fixed plate is rotatably connected with a gear meshed with the rack and meshed with the threaded rod, an auxiliary wheel positioned on the front side of the horizontal section of the fixed plate is fixed on the gear, a driven wheel rotatably connected to the front side of the horizontal section of the fixed plate is meshed with the right side of the auxiliary wheel, a bevel gear is fixed on the front side of the driven wheel, and an auxiliary bevel gear fixed on the.
3. A phase analyzer of partial discharge PRPD profile according to claim 2, wherein: the detection device comprises a fixed box fixed on the upper side of the auxiliary box, a fixed cavity is arranged in the fixed box, two fixed motors which are bilaterally symmetrical relative to the symmetrical central line of the fixed box are fixed on the inner wall of the lower side of the fixed cavity, the upper side of the fixed motor is rotatably connected with a lead screw, the lead screw is in threaded connection with two moving blocks which are vertically symmetrical, a closed box is fixed on one side, close to the symmetrical central line of the fixed box, of the two moving blocks on the horizontal side, a closed cavity is arranged in the closed box, a detection box is arranged in the upper and lower closed cavities, a detection cavity is arranged in the detection box, a conducting rod which extends leftwards is fixed on the inner wall on the right side of the detection cavity, three flanges which are distributed relative to the conducting rod path array are fixed on the upper and lower inner walls of the detection cavity, insulator and right side be equipped with between the flange and be fixed in detect the built-in inductor of chamber upside inner wall, the detection case downside is fixed with and is located the external inductor of insulator downside, conducting rod left side sliding connection has threaded connection in the left side the conducting block of half section under the lead screw, conducting block upside butt has threaded connection in the left side the vice conducting block of half section on the lead screw, vice conducting block left side sliding connection has and is fixed in the electronic box of fixed chamber left side inner wall.
4. A phase analyzer of partial discharge PRPD profile according to claim 3, wherein: four supporting seats distributed in a rectangular array are fixed on the lower side of the disc, and idler wheels are rotatably connected to the lower sides of the supporting seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115189.0A CN112362970A (en) | 2020-10-19 | 2020-10-19 | Phase analysis instrument of partial discharge PRPD atlas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115189.0A CN112362970A (en) | 2020-10-19 | 2020-10-19 | Phase analysis instrument of partial discharge PRPD atlas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112362970A true CN112362970A (en) | 2021-02-12 |
Family
ID=74506868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011115189.0A Withdrawn CN112362970A (en) | 2020-10-19 | 2020-10-19 | Phase analysis instrument of partial discharge PRPD atlas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112362970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116794465A (en) * | 2023-08-02 | 2023-09-22 | 江苏新亚高电压测试设备有限公司 | Partial discharge detector |
-
2020
- 2020-10-19 CN CN202011115189.0A patent/CN112362970A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116794465A (en) * | 2023-08-02 | 2023-09-22 | 江苏新亚高电压测试设备有限公司 | Partial discharge detector |
| CN116794465B (en) * | 2023-08-02 | 2023-12-12 | 江苏新亚高电压测试设备有限公司 | Partial discharge detector |
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Application publication date: 20210212 |