CN112415349B - Portable partial discharge detection device and installation method thereof - Google Patents
Portable partial discharge detection device and installation method thereof Download PDFInfo
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- CN112415349B CN112415349B CN202011475782.6A CN202011475782A CN112415349B CN 112415349 B CN112415349 B CN 112415349B CN 202011475782 A CN202011475782 A CN 202011475782A CN 112415349 B CN112415349 B CN 112415349B
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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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- 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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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Abstract
The invention relates to a portable partial discharge detection device and an installation method thereof, and the portable partial discharge detection device comprises two fixing plates, wherein the two fixing plates are fixedly connected, the middle parts of the sides of the fixing plates, which are far away from a connecting end, are fixedly provided with fixing mechanisms, the two end parts of the sides of the fixing plates, which are far away from the connecting end, are fixedly provided with supporting mechanisms, and the upper end surfaces of the fixing plates are fixedly provided with detection mechanisms.
Description
Technical Field
The invention relates to the technical field of electric power safety detection, in particular to a portable partial discharge detection device and an installation method thereof.
Background
Partial discharge refers to a discharge phenomenon in which only a partial region in an insulation system discharges without forming a through discharge channel due to the action of an external electric field, i.e., the partial region does not break down. Partial discharges do not generally cause penetrating breakdown of the insulating medium in electrical equipment, but can cause deterioration of dielectrics, especially organic dielectrics. Partial discharge detection is the most intuitive detection means for reflecting the insulation performance of electrical equipment at present,
the width of the existing partial discharge detection device for the cables needs to reach the distance between two adjacent cables, so that the whole volume of the device is large, the occupied space is large in the transportation process, and the device is not convenient to transport, so that the portable partial discharge detection device is needed.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a portable partial discharge detection device and a mounting method thereof, which not only have reasonable structure, but also occupy small space and are convenient to carry and mount.
In order to solve the technical problems, the technical scheme of the invention is as follows: a portable partial discharge detection device and an installation method thereof comprise two fixing plates which are fixedly connected, wherein fixing mechanisms are fixedly installed in the middle of one side of the fixing plates, which is far away from a connecting end, supporting mechanisms are fixedly installed at two end parts of one side of the fixing plates, which is far away from the connecting end, and detection mechanisms are fixedly installed on the upper end surfaces of the fixing plates.
Further, supporting mechanism is including linking firmly the fixed column at the fixed plate terminal surface, the fixed column is kept away from the one end of fixed plate and is articulated to have a fixed sleeve, slidable spacing ring has been cup jointed with fixed sleeve's outward appearance, fixed sleeve's surface cover is established and is fixed with the fixed crown plate, fixed sleeve's inside sliding connection has the extension rod, the extension rod runs through fixed sleeve and extends to fixed sleeve's the outside, it cup joints and is fixed with the removal crown plate to be located fixed sleeve outside extension rod surface, pass through compression spring fixed connection between removal crown plate and the fixed crown plate, the compression spring cover is established at fixed sleeve's surface.
Further, the one end that the extension rod is located the fixed sleeve outside has linked firmly the clamping, the clamping is the U type that the opening is down, its inside both sides sliding connection has the joint wheel, the interior top sliding connection of clamping has the gag lever post, the clamping is worn out to the gag lever post upper end, it is located the inside one end of clamping and installs the rotation wheel, the gag lever post surface that is located the clamping top has cup jointed the baffle, through reset spring fixed connection between baffle and the clamping top, reset spring overlaps the surface of establishing at the gag lever post, the gag lever post surface that is located the baffle top prolongs its week portion and has seted up the annular, the inside gag lever post annular that is located the two symmetrical settings of fixed establishment front end all rotates and is connected with the cardboard.
Further, the equal symmetry of two fixed establishment sets up at two fixed plate outer ends middle part, it includes connection buckle, connection buckle fixed mounting is at fixed plate terminal surface middle part, connection buckle's inside articulates there is articulated square bar, set up the bearing groove that has the level to extend on the articulated square bar, the one end that connection buckle was kept away from to the inside of bearing groove articulates there is articulated square shaft, the one end that articulated square bar was kept away from to articulated square shaft articulates there is articulated piece, the one end threaded connection that articulated square shaft was kept away from to articulated piece has the connecting block, the connecting block lower extreme has set firmly vertical connecting rod, the connecting rod lower extreme links firmly the horizontally support ring.
Further, detection mechanism includes the central control box, and central control box fixed mounting is at the upper surface center of fixed plate, and the output electricity of central control box is connected with the input line, and the other end electricity of input line is connected with detects the head, detects the head and wears to establish the middle part at the connecting block, detects head and connecting block sliding connection, detects the head lower extreme and vertically passes the support ring and locate the external fixation cover and be equipped with the fender ring in the top that lies in the support ring, lies in the support ring top and detects the surface of head and seted up the joint annular, the annular one end and joint annular joint are kept away from to the cardboard, it is colluded to detect the head lower extreme, and its initial position is located the below at clamping center.
Furthermore, the two fixing plates are fixedly connected through an insulating plate, and the central control box is fixedly connected with the insulating plate.
Furthermore, the clamping wheel comprises a drum wheel, two ends of the drum wheel are rotatably connected with a connecting frame, the connecting frame horizontally penetrates through the clamping and is in sliding connection with the clamping, the outer end of the connecting frame is connected with the outer surface of the clamping through an extrusion spring, one end of the extrusion spring is abutted to the outer surface of the clamping, and the other end of the extrusion spring is abutted to a convex part at the outer end of the connecting frame.
Furthermore, the articulated shaft of connecting buckle and articulated square bar, articulated square bar and articulated square shaft and articulated piece is the threaded shaft of vertical setting, and the top surface threaded connection of threaded shaft has stop nut.
Furthermore, the front side and the rear side of the fixing mechanism are provided with clamping blocks which are fixedly connected to the fixing plate, and the distance from the clamping blocks to the fixing column is equal to the length of the fixing sleeve.
A method for installing a portable partial discharge detection device comprises the following steps: the method comprises the following steps of (1) enabling a lower supporting mechanism and a fixing mechanism to be parallel to a fixing plate in a contraction state, firstly enabling the device to be parallel to the upper portion of a cable when the device is installed, then enabling the fixing sleeve to rotate ninety degrees to enable the fixing sleeve to be perpendicular to the fixing plate, enabling a limiting ring to slide to enable the limiting ring to shield and limit a hinged portion, S2) enabling a hinged square rod to rotate, enabling a hinged block to rotate, adjusting a connecting block to enable the connecting block to be perpendicular to the horizontally extending cable and enable a detection head to be located below the cable, screwing a limiting nut to limit the position after the position is adjusted, S3) pressing an extending rod inwards to enable a clamp to be located above the cable and rotating the clamp plate to enable the clamp plate to be clamped in a clamping ring groove, S4) pressing the whole device downwards, enabling the cable to extrude a drum wheel to enter between a rotating wheel and the drum wheel to extrude the rotating wheel to move upwards, and accordingly the detection head is lifted and attached to the cable by the clamp plate.
Compared with the prior art, the invention has the following beneficial effects:
1. this portable partial discharge detection device, shrink state under bracing mechanism fixed establishment is parallel with the fixed plate, effectively reduce occupation space, and is convenient for carry, at first make fixed sleeve perpendicular with fixed sleeve rotation ninety degrees when opening, it makes connecting block and cable perpendicular and make the below that detects the head and be located the cable to articulate the square bar rotation and adjust the connecting block, rotatory cardboard makes the cardboard joint in the inside of joint annular, it can make cable extrusion rotation wheel to upwards remove to press the clamping, thereby can utilize the cardboard will detect the head and lift up and follow the cable of newly laminating, it is convenient to install.
2. This portable partial discharge detection device, connecting buckle and articulated square bar, articulated square bar and articulated square shaft and the articulated shaft of articulated piece be the threaded spindle, and the top surface threaded connection of threaded spindle has stop nut, can restrict the angle of expanding when articulated through setting up threaded spindle and stop nut.
3. This portable partial discharge detection device passes through insulation board fixed connection between two fixed plates, central control box and insulation board fixed connection, and the material of whole device is plastics, can play insulating effect through such setting up, avoids the device connection of both sides to lead to the circuit short circuit.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention;
FIG. 2 is a schematic half-section view of a support mechanism according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a cardholder attachment according to an embodiment of the invention;
FIG. 4 is a schematic view of a rotatable wheel connection according to an embodiment of the present invention;
FIG. 5 is a schematic view of a securing mechanism in an embodiment of the invention;
FIG. 6 is a schematic view of a fixing plate according to an embodiment of the present invention;
FIG. 7 is a schematic view of a detection mechanism according to an embodiment of the present invention.
In the figure: the device comprises a fixing plate-1, a supporting mechanism-2, a fixing mechanism-3, a detection mechanism-4, an insulating plate-5, a fixing column-201, a fixing sleeve-202, a limiting ring-203, a fixing ring plate-204, an extension rod-205, a moving ring plate-206, a compression spring-207, a clamp-208, a limiting rod-209, a rotating wheel-210, a baffle-211, a return spring-212, an annular groove-213, a clamping plate-214, a drum wheel-215, a connecting frame-216, an extrusion spring-217, a clamping wheel-218, a clamping block-219, a connecting buckle-301, a hinged square rod-302, a bearing groove-303, a hinged square shaft-304, a hinged block-305, a connecting block-306, a connecting rod-307, a supporting ring-308, a central control box-401, an input line-402, a detection head-403, a blocking ring-404 and a clamping annular groove-405.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1~7, a portable partial discharge detection device comprises two fixing plates 1, the two fixing plates are fixedly connected, a fixing mechanism 3 is fixedly installed in the middle of one side of the fixing plate away from a connecting end, a supporting mechanism 2 is fixedly installed at two end portions of one side of the fixing plate away from the connecting end, and a detection mechanism 4 is fixedly installed on the upper end surface of the fixing plate.
In the embodiment of the invention, the supporting mechanism comprises a fixed column 201 fixedly connected to the end face of the fixed plate, one end of the fixed column, which is far away from the fixed plate, is hinged with a fixed sleeve 202, the outer surfaces of the fixed column and the fixed sleeve are sleeved with a slidable limiting ring 203, the outer surface of the fixed sleeve is sleeved and fixed with a fixed ring plate 204, the inside of the fixed sleeve is connected with an extension rod 205 in a sliding manner, the extension rod penetrates through the fixed sleeve and extends to the outer side of the fixed sleeve, the outer surface of the extension rod, which is positioned outside the fixed sleeve, is sleeved and fixed with a movable ring plate 206, the movable ring plate and the fixed ring plate are fixedly connected through a compression spring 207, the compression spring is sleeved on the outer surface of the fixed sleeve, and the compression spring is in a compressed state all the time.
In the embodiment of the invention, one end of the extension rod, which is positioned at the outer side of the fixed sleeve, is fixedly connected with a clamp 208, the clamp is in a U shape with a downward opening, two sides of the interior of the clamp are slidably connected with clamping wheels 218, the inner top of the clamp is slidably connected with a limiting rod 209, the upper end of the limiting rod penetrates out of the clamp, one end of the extension rod, which is positioned in the clamp, is provided with a rotating wheel 210, the outer surface of the limiting rod, which is positioned above the clamp, is sleeved with a baffle 211, the baffle and the top of the clamp are fixedly connected through a reset spring 212, the reset spring is sleeved on the outer surface of the limiting rod, which is positioned above the baffle, is provided with a circular groove 213 along the periphery of the outer surface, the inner parts of the circular grooves of the two symmetrically arranged limiting rods, which are positioned at the front end of the fixed mechanism, are rotatably connected with clamping plates 214, and the length of the clamping plates 214 is less than that of the fixed sleeve 202.
In the embodiment of the invention, two fixing mechanisms are symmetrically arranged in the middle of the outer ends of two fixing plates and comprise connecting buckles 301 which are fixedly arranged in the middle of the end surfaces of the fixing plates, hinged square rods 302 are hinged inside the connecting buckles, horizontally extending bearing grooves 303 are formed in the hinged square rods, hinged square shafts 304 are hinged at one ends, far away from the connecting buckles, inside the bearing grooves, hinged square shafts 304 can be completely retracted into the bearing grooves 303 when the hinged square shafts are contracted, hinged blocks 305 are hinged at one ends, far away from the hinged square rods, of the hinged blocks, connecting blocks 306 are in threaded connection with one ends, far away from the hinged square shafts, of the hinged blocks, the threaded connection connecting blocks can guarantee the rotation of the connecting blocks, therefore, the connecting blocks can be parallel to the fixing plates after being contracted, vertical connecting rods 307 are fixedly arranged at the lower ends of the connecting blocks, horizontal supporting rings 308 are fixedly connected at the lower ends of the connecting rods, before installation is finished, the detection head penetrates through the supporting rings and is matched with the supporting rings to limit the blocking rings through the connecting rods, falling is prevented, and the clamping ring grooves and the clamping plates and the ring grooves are all at the same level.
In the embodiment of the invention, the detection mechanism comprises a central control box 401, the central control box is fixedly installed in the center of the upper surface of the fixing plate, the output end of the central control box is electrically connected with an input line 402, the other end of the input line is electrically connected with a detection head 403, the detection head is arranged in the middle of the connecting block in a penetrating mode and is in sliding connection with the connecting block, the lower end of the detection head vertically penetrates through the supporting ring, a retaining ring 404 is fixedly sleeved on the outer surface of the upper portion of the supporting ring, a clamping ring groove 405 is formed in the outer surface of the detection head above the supporting ring, one end, far away from the ring groove, of the clamping plate is clamped with the clamping ring groove, the lower end of the detection head is in a hook shape, the initial position of the detection head is located below the center of the clamping clip, the outer surface of the cable is clamped through the hook shape which is bent upwards, the initial position of the detection head is located below the center of the clamping clip, the device installation can be facilitated through the arrangement, and meanwhile, a space can be reserved in the lifting process.
In the embodiment of the invention, the two fixed plates are fixedly connected through the insulating plate 5, the central control box is fixedly connected with the insulating plate, and the whole device is made of plastic, so that the insulating effect can be achieved, and the short circuit of the circuit caused by the connection of the devices on the two sides can be avoided.
In the embodiment of the invention, the clamping wheel comprises a drum 215, the drum 215 is arranged in a drum 215 shape to facilitate the pressing of the cable between the two drums 215, two ends of the drum are rotatably connected with a connecting frame 216, the connecting frame horizontally penetrates through the clamping and is in sliding connection with the clamping, the outer end of the connecting frame and the outer surface of the clamping are connected through a pressing spring 217, one end of the pressing spring abuts against the outer surface of the clamping, the other end of the pressing spring abuts against a convex part at the outer end of the connecting frame, and the arrangement is used for ensuring that the distance between the two drums is smaller than the diameter of the cable.
In the embodiment of the invention, the connecting buckle and the hinged square rod, the hinged square rod and the hinged square shaft, and the hinged shaft of the hinged square shaft and the hinged block are vertically arranged threaded shafts, and the outer surface of the top end of each threaded shaft is in threaded connection with a limiting nut so as to limit the unfolding angle of the threaded shaft.
In the embodiment of the invention, the front side and the rear side of the fixing mechanism are respectively provided with a clamping block 219 which is fixedly connected on the fixing plate, the distance from the clamping block to the fixing column is equal to the length of the fixing sleeve, and the clamping block can be ensured to have a limiting effect when the supporting mechanism is contracted by arranging the clamping blocks.
A method for installing a portable partial discharge detection device comprises the following steps: the method comprises the following steps of (1) enabling a lower supporting mechanism and a fixing mechanism to be parallel to a fixing plate in a contraction state, enabling the device to be parallel to the upper portion of a cable when the device is installed, enabling the fixing sleeve to rotate ninety degrees to enable the fixing sleeve to be perpendicular to the fixing plate, enabling a limiting ring to slide to enable the limiting ring to shield and limit a hinged portion, (2) enabling a hinged square rod to rotate, enabling a hinged block to rotate, enabling a connecting block to be adjusted to enable the connecting block to be perpendicular to the horizontally extending cable and enable a detection head to be located below the cable, adjusting the position and then screwing a limiting nut to limit the position, S3) pressing an extending rod inwards to enable a clamp to be located above the cable and rotating the clamp plate to enable the clamp plate to be clamped in a clamping ring groove, and (4) pressing the whole device downwards to enable the cable to extrude a drum wheel to enter between a rotating wheel and the drum wheel to extrude the rotating wheel to move upwards, so that the detection head is lifted up and attached to the cable through the clamp plate, and therefore partial discharge detection of the cable can be carried out through a central control box.
The present invention is not limited to the above-described preferred embodiments, and any one may derive various other forms of portable partial discharge detection apparatuses and methods for installing the same, based on the teaching of the present invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides a portable partial discharge detection device, includes two fixed plates, its characterized in that: the two fixing plates are fixedly connected, a fixing mechanism is fixedly arranged in the middle of one side of each fixing plate, which is far away from the connecting end, a supporting mechanism is fixedly arranged at two end parts of one side of each fixing plate, which is far away from the connecting end, and a detection mechanism is fixedly arranged on the upper end surfaces of the fixing plates; the equal symmetry of two fixed establishment sets up at two fixed plate outer ends middle part, it includes connection buckle, connection buckle fixed mounting is at fixed plate terminal surface middle part, connection buckle's inside articulates there is articulated square bar, set up the bearing groove that has the level to extend on the articulated square bar, the inside one end of keeping away from connection buckle of bearing groove articulates there is articulated square shaft, the one end that articulated square bar was kept away from to articulated square shaft articulates there is articulated piece, the one end threaded connection that articulated square shaft was kept away from to articulated piece has the connecting block, the connecting block lower extreme has set firmly vertical connecting rod, the connecting rod lower extreme links firmly the horizontally support ring.
2. A portable partial discharge detection apparatus according to claim 1, wherein: the supporting mechanism is including linking firmly the fixed column at the fixed plate terminal surface, the fixed column is kept away from the one end of fixed plate and is articulated to have a fixed sleeve, the slidable spacing ring has been cup jointed with fixed sleeve's outward appearance, fixed sleeve's surface cover is established and is fixed with the retaining ring board, fixed sleeve's inside sliding connection has the extension rod, the extension rod runs through fixed sleeve and extends to fixed sleeve's the outside, it cup joints and is fixed with the removal crown plate to be located fixed sleeve outside extension rod surface, pass through compression spring fixed connection between removal crown plate and the retaining ring board, the compression spring cover is established at fixed sleeve's surface.
3. A portable partial discharge detection apparatus according to claim 2, wherein: the extension rod is located the one end in the fixed sleeve outside and has linked firmly the clamping, the clamping is the U type that the opening faces down, its inside both sides sliding connection has the joint wheel, the interior top sliding connection of clamping has the gag lever post, the clamping is worn out to the gag lever post upper end, it is located the inside one end of clamping and installs the rotation wheel, the gag lever post surface that is located the clamping top has cup jointed the baffle, through reset spring fixed connection between baffle and the clamping top, reset spring overlaps the surface of establishing at the gag lever post, the gag lever post surface that is located the baffle top prolongs its week portion and has seted up the annular, the gag lever post annular that is located the bisymmetry setting of fixed establishment front end is inside all to rotate and is connected with the cardboard.
4. A portable partial discharge detection apparatus according to claim 3, wherein: detection mechanism includes the central control box, and central control box fixed mounting is at the upper surface center of fixed plate, and the output electricity of central control box is connected with the input line, and input line other end electricity is connected with detects the head, detects the head and wears to establish the middle part at the connecting block, detects head and connecting block sliding connection, detects the head lower extreme and vertically passes the support ring and is equipped with the fender ring in the top external fixation cover that is located the support ring, is located the support ring top and detects the surface of head and seted up the joint annular, the annular one end and the joint of joint annular are kept away from to the cardboard, it is colluded to detect the head lower extreme, and its initial position is located the below at clamping center.
5. A portable partial discharge detection apparatus according to claim 4, wherein: the two fixed plates are fixedly connected through an insulating plate, and the central control box is fixedly connected with the insulating plate.
6. A portable partial discharge detection apparatus according to claim 3, wherein: the clamping wheel comprises a drum wheel, two ends of the drum wheel are rotatably connected with a connecting frame, the connecting frame horizontally penetrates through the clamping and is in sliding connection with the clamping, the outer end of the connecting frame is connected with the outer surface of the clamping through an extrusion spring, one end of the extrusion spring is abutted to the outer surface of the clamping, and the other end of the extrusion spring is abutted to a convex part at the outer end of the connecting frame.
7. A portable partial discharge detection apparatus according to claim 1, wherein: the articulated shaft of connecting buckle and articulated square bar, articulated square bar and articulated square shaft and articulated piece is the threaded shaft of vertical setting, and threaded shaft's top surface threaded connection has stop nut.
8. A portable partial discharge detection apparatus according to claim 2, wherein: the fixing mechanism is characterized in that the front side and the rear side of the fixing mechanism are respectively provided with a clamping block, the clamping blocks are fixedly connected to the fixing plate, and the distance from each clamping block to the corresponding fixing column is equal to the length of the corresponding fixing sleeve.
9. A method for installing a portable partial discharge detector, characterized in that the portable partial discharge detector according to any of claims 1-8 is used, and the method comprises the following steps: the method comprises the following steps of (1) enabling a lower supporting mechanism and a fixing mechanism to be parallel to a fixing plate in a contraction state, firstly enabling the device to be parallel to the upper portion of a cable when the device is installed, then enabling the fixing sleeve to rotate ninety degrees to enable the fixing sleeve to be perpendicular to the fixing plate, enabling a limiting ring to slide to enable the limiting ring to shield and limit a hinged portion, S2) enabling a hinged square rod to rotate, enabling a hinged block to rotate, adjusting a connecting block to enable the connecting block to be perpendicular to the horizontally extending cable and enable a detection head to be located below the cable, screwing a limiting nut to limit the position after the position is adjusted, S3) pressing an extending rod inwards to enable a clamp to be located above the cable and rotating the clamp plate to enable the clamp plate to be clamped in a clamping ring groove, S4) pressing the whole device downwards, enabling the cable to extrude a drum wheel to enter between a rotating wheel and the drum wheel to extrude the rotating wheel to move upwards, and accordingly the detection head is lifted and attached to the cable by the clamp plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011475782.6A CN112415349B (en) | 2020-12-15 | 2020-12-15 | Portable partial discharge detection device and installation method thereof |
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| CN202011475782.6A CN112415349B (en) | 2020-12-15 | 2020-12-15 | Portable partial discharge detection device and installation method thereof |
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| CN112415349B true CN112415349B (en) | 2022-10-04 |
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| CN114002565B (en) * | 2021-11-04 | 2023-05-16 | 广东电网有限责任公司 | GIS partial discharge test sensor interface device capable of being assembled quickly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207263785U (en) * | 2017-08-24 | 2018-04-20 | 国网浙江省电力公司检修分公司 | A kind of Portable supporting bar for GIS ultrahigh frequency Partial Discharge Detection |
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| TWI308640B (en) * | 2006-12-27 | 2009-04-11 | Ind Tech Res Inst | Portable partial discharge detection device and method thereof |
| CN105067980A (en) * | 2015-08-11 | 2015-11-18 | 平顶山学院 | High-voltage switch GIS withstand voltage test environment real-time monitoring device |
| CN106852078B (en) * | 2017-02-27 | 2018-11-13 | 厦门理工学院 | A kind of double groups of fan heat sinks of Portable partial discharge detector |
| CN108418135A (en) * | 2018-03-29 | 2018-08-17 | 西南大学 | The inspection of transmission line of electricity oversheath and prosthetic device and method |
| CN109346981A (en) * | 2018-10-29 | 2019-02-15 | 国网浙江平湖市供电有限公司 | A kind of intelligence shelf depreciation crusing robot |
| CN109773808B (en) * | 2019-03-20 | 2021-07-16 | 杭州申昊科技股份有限公司 | Inspection robot |
| CN110048338B (en) * | 2019-05-20 | 2020-05-08 | 江苏安全技术职业学院 | Four arm climbing formula inspection robot mechanical structure |
| CN211605904U (en) * | 2019-12-31 | 2020-09-29 | 启东继源电气有限公司 | Power transmission line inspection robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207263785U (en) * | 2017-08-24 | 2018-04-20 | 国网浙江省电力公司检修分公司 | A kind of Portable supporting bar for GIS ultrahigh frequency Partial Discharge Detection |
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