CN112578246B - Transformer partial discharge detection device and method - Google Patents
Transformer partial discharge detection device and method Download PDFInfo
- Publication number
- CN112578246B CN112578246B CN202011484528.2A CN202011484528A CN112578246B CN 112578246 B CN112578246 B CN 112578246B CN 202011484528 A CN202011484528 A CN 202011484528A CN 112578246 B CN112578246 B CN 112578246B
- Authority
- CN
- China
- Prior art keywords
- rod
- box body
- detection
- fixedly connected
- partial discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a partial discharge detection device and a partial discharge detection method for a transformer.A box body and a box cover of a supporting assembly are rotatably connected, a rotating rod is rotatably arranged at one side of the box body, a plurality of folding rods are sequentially connected with the rotating rod, each folding rod comprises a first rod and a second rod, a first rotating shaft of the first rod is placed in a second chute of the second rod for connection, a second clamping column of the second rod can be matched with a first clamping groove of the first rod to fix the first rod and the second rod, a detection head of the detection assembly is arranged on the folding rod, a detector and a display screen are respectively positioned in the box body and the box cover, and a hanging belt and a supporting plate of the fixing assembly are arranged on the box body. The box body and the human body are fixed through the hanging belt and the supporting plate; pulling out the folding rod based on the detection height, and combining the second clamping column and the first clamping groove; rotating the rotating rod to enable the detection head to reach a detection position, and detecting by using the detection head; the detector processes the detection data and displays the detection data through the display, so that the detection range can be enlarged.
Description
Technical Field
The invention relates to the field of discharge detection devices, in particular to a partial discharge detection device and a partial discharge detection method for a transformer.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. When the power transformer equipment generates partial discharge, electromagnetic waves can be generated, and when the electromagnetic waves propagate outwards, a transient voltage signal to ground can be generated. The magnitude of this signal is directly related to the severity of the partial discharge and the proximity of the discharge point. The detection can be performed by using a special detector, and the detector is a partial discharge detector.
When the partial discharge detector is used for detecting the power transformer, an operator is often required to hold the detection probe to be close to the outer surface of the power transformer for detection, and the detection difficulty is higher for a region with a higher position.
Disclosure of Invention
The invention aims to provide a partial discharge detection device and a partial discharge detection method for a transformer, and aims to solve the problem that the detection range is small because the existing mobile equipment is often detected by holding a detection head by hands.
In order to achieve the above object, in a first aspect, the present invention provides a transformer partial discharge detection apparatus, including a support assembly, a detection assembly, and a fixing assembly, where the support assembly includes a box body, a box cover, a rotating rod, and a plurality of folding rods, the box body has a first groove, the box cover is fixedly connected to the box body and located at one side of the box body, the rotating rod is rotatably connected to the box body and located in the first groove, the folding rods include a first rod and a second rod, the first rod has a first sliding slot, a first clamping column, a first clamping slot, and a first rotating shaft, the first clamping column and the first clamping slot are located at two sides of the first slot, the first rod is rotatably connected to the rotating rod and located at one side of the rotating rod, the first rotating shaft is located at one side of the first rod away from the rotating rod, the second rod has a second sliding slot, a second rotating shaft is located at one side of the first rod away from the rotating rod, and a second rotating shaft is located at the second slot, The second wire slot, the second clamping column and the second rotating shaft, the second rod is rotatably connected with the first rotating shaft, the first rotating shaft is positioned in the second sliding slot, the second clamping column is close to the first clamping slot, the second clamping slot is positioned on one side of the second rod far away from the second clamping column, the folding rods are sequentially connected, the detection assembly comprises a detection head, a detector and a display screen, the detection head is fixedly connected with the folding rods and positioned on one side of the folding rods far away from the box body, the detector is fixedly connected with the box body, positioned in the first groove and electrically connected with the detection head, the display screen is fixedly connected with the box cover and electrically connected with the detector, the fixing assembly comprises a hanging belt and a supporting plate, and the supporting plate is slidably connected with the box body and positioned on one side of the box body, the hanging belt is fixedly connected with the box body and is positioned on one side of the supporting plate.
The supporting assembly further comprises a sealing ring, and the sealing ring is fixedly connected with the box cover and is positioned between the box body and the box cover.
The supporting component further comprises a pressing plate, and the pressing plate is fixedly connected with the box cover and is positioned on one side, close to the folding rod, of the box cover.
The supporting component further comprises a lifting handle, and the lifting handle is fixedly connected with the box body and located on one side of the box body.
The support assembly further comprises a handle, and the handle is fixedly connected with the rotating rod and is positioned on one side of the rotating rod.
The handle comprises a handle body and a sliding rod, the sliding rod is connected with the rotating rod in a sliding mode and is located on one side of the rotating rod, and the handle body is fixedly connected with the sliding rod and is located on one side of the box body.
The supporting assembly further comprises a shielding layer, and the shielding layer is fixedly connected with the box body and the box cover and is positioned in the box body and the box cover.
In a second aspect, the present invention further provides a method for detecting partial discharge of a transformer, including: the box body and the human body are fixed through the hanging belt and the supporting plate; pulling out the folding rod based on the detection height, and combining the second clamping column and the first clamping groove; rotating the rotating rod to enable the detection head to reach a detection position, and detecting by using the detection head; the detector processes the detection data and displays the detection data through the display.
The invention relates to a partial discharge detection device and a method for a transformer, wherein a box body is provided with a first groove for placing all other components, a box cover is fixedly connected with the box body, the box body can be closed through the box cover to provide protection, a rotating rod is rotatably connected with the box body to enable the rotating rod to rotate relative to the box body, a first clamping column and a first clamping groove are positioned at two sides of a first wire groove, the first wire groove is used for accommodating a conducting wire to pass through, the first rod is rotatably connected with the rotating rod to enable the first rod to rotate relative to the rotating rod, a second rod is rotatably connected with a first rotating shaft to enable the second rod to rotate relative to the first rotating shaft and simultaneously slide relative to the first rotating shaft under the support of a second sliding groove, when the first rod and the second rod rotate to the horizontal level, the second rod can be slid to enable the second clamping column to enter the first clamping groove, so that the positions of the second rod and the first rod are relatively fixed, a plurality of folding rods are connected in sequence, so that a long rod can be formed by matching the second clamping column and the first clamping groove, a higher position can be detected, the detection head is fixedly connected with the folding rods, the detection head can be sent to the higher position to be detected through the plurality of folding rods, the detector is fixedly connected with the box body and is electrically connected with the detection head, the detector serves as a main body of detection, receives signals from the detection head to be processed, the display screen is fixedly connected with the box cover, detection information can be displayed through the display screen, the support plate is slidably connected with the box body, and the hanging belt is fixedly connected with the box body, can with hang the area and hang on one's body to through backup pad and human laminating are in order to provide right the holding power of box, thereby can conveniently operate the folding rod detects, thereby when conveniently removing, can also pass through the folding rod supports the box detects to the high position for detection range is bigger, thereby solves current mobile device and often holds the detection head and detect, makes detection range little problem.
Drawings
In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a left side structural view of a partial discharge detector of a transformer according to the present invention;
FIG. 2 is a back structural view of a partial discharge detector of a transformer according to the present invention;
FIG. 3 is a right side structural view of a partial discharge detector of a transformer according to the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the folding bar of the present invention;
fig. 6 is a flowchart of a partial discharge detection method of a transformer according to the present invention.
1-supporting component, 2-detecting component, 3-fixing component, 11-box body, 12-box cover, 13-rotating rod, 14-folding rod, 15-sealing ring, 16-pressing plate, 17-lifting handle, 18-handle, 19-shielding layer, 21-detecting head, 22-detecting instrument, 23-display screen, 24-blocking cloth, 25-pulling rod, 31-hanging belt, 32-supporting plate, 111-first groove, 141-first rod, 142-second rod, 181-handle body, 182-sliding rod, 321-sponge pad, 1411-first sliding groove, 1412-first wire groove, 1413-first clamping column, 1414-first clamping groove, 1415-first rotating shaft, 1421-second sliding groove and 1422-second wire groove, 1423-second card slot, 1424-second card column, 1425-second rotating shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In a first aspect, referring to fig. 1 to 5, the present invention provides a transformer partial discharge detection apparatus, including:
The supporting component 1 comprises a box body 11, a box cover 12, a rotating rod 13 and a plurality of folding rods 14, the box body 11 is provided with a first groove 111, the box cover 12 is fixedly connected with the box body 11 and is positioned on one side of the box body 11, the rotating rod 13 is rotatably connected with the box body 11 and is positioned in the first groove 111, the folding rods 14 comprise a first rod 141 and a second rod 142, the first rod 141 is provided with a first sliding slot 1411, a first wire slot 1412, a first clamping column 1413, a first clamping slot 1414 and a first rotating shaft 1415, the first clamping column 1413 and the first clamping slot 1414 are positioned on two sides of the first wire slot 1412, the first rod 141 is rotatably connected with the rotating rod 13 and is positioned on one side of the rotating rod 13, the first rotating shaft 1415 is positioned on one side of the first rod 141 far away from the rotating rod 13, and the second rod 142 is provided with a second sliding slot 1421, a rotating rod 1421 and a plurality of folding rods 14 are arranged on the second rod 142, A second slot 1422, a second slot 1423, a second column 1424 and a second shaft 1425, wherein the second rod 142 is rotatably connected to the first shaft 1415, the first shaft 1415 is located in the second slot 1421, the second column 1424 is close to the first slot 1414, the second slot 1423 is located on a side of the second rod 142 away from the second column 1424, the folding rods 14 are sequentially connected, the detecting assembly 2 includes a detecting head 21, a detecting instrument 22 and a display 23, the detecting head 21 is fixedly connected to the folding rods 14 and located on a side of the folding rods 14 away from the box 11, the detecting instrument 22 is fixedly connected to the box 11 and located in the first slot 111 and electrically connected to the detecting head 21, the display 23 is fixedly connected to the box cover 12 and electrically connected to the detecting instrument 22, the fixing assembly 3 includes a hanging strip 31 and a supporting plate 32, the supporting plate 32 is slidably connected to the box body 11 and is located at one side of the box body 11, and the hanging belt 31 is fixedly connected to the box body 11 and is located at one side of the supporting plate 32.
In this embodiment, the supporting assembly 1 includes a box 11, a cover 12, a rotating rod 13 and a plurality of folding rods 14, the box 11 has a first groove 111 for placing all other components, the cover 12 is fixedly connected to the box 11 and is located at one side of the box 11, the box 11 can be closed by the cover 12 for protection, the rotating rod 13 is rotatably connected to the box 11 and is located in the first groove 111, so that the rotating rod 13 can rotate relative to the box 11, the folding rods 14 include a first rod 141 and a second rod 142, the first rod 141 has a first sliding slot 1411, a first wire slot 1412, a first snap column 1413, a first snap slot 1414 and a first rotating shaft 1415, the first snap column 1413 and the first snap slot 1414 are located at two sides of the first wire slot 1412, the first wire slot 1412 is used for accommodating a wire to pass through, the first rod 141 is rotatably connected to the rotating rod 13 and is located at one side of the rotating rod 13, so that the first rod 141 can rotate relative to the rotating rod 13, wherein the rotating rod 13 is also provided with a locking slot, the position of the first rod 141 can be limited when the first rod 141 rotates to a specified position, the first rotating shaft 1415 is located at one side of the first rod 141 away from the rotating rod 13, the second rod 142 is provided with a second sliding slot 1421, a second wire slot 1422, a second locking slot 1423, a second locking pillar 1424 and a second rotating shaft 1425, the second rod 142 is rotatably connected to the first rotating shaft 1415, the first rotating shaft 1415 is located in the second sliding slot 1421, so that the second rod 142 can rotate relative to the first rotating shaft 1415 and can slide relative to the first rotating shaft 1415 under the support of the second sliding slot 1421, and the second locking pillar 1424 is close to the first locking slot 1414, the second slot 1423 is located on a side of the second rod 142 away from the second tab 1424, when the first rod 141 and the second rod 142 rotate horizontally, the second rod 142 can be slid to make the second tab 1424 enter the first slot 1414, so that the positions of the second rod 142 and the first rod 141 can be relatively fixed, the plurality of folding rods 14 are connected in sequence, so that a long rod can be formed by the cooperation of the second tab 1424 and the first slot 1414, the high position can be detected, the detecting assembly 2 includes a detecting head 21, a detecting instrument 22 and a display 23, the detecting head 21 is fixedly connected to the folding rods 14 and located on a side of the folding rods 14 away from the box 11, the detecting head 21 can be sent to the high position for detection by the plurality of folding rods 14, the detecting instrument 22 is fixedly connected to the box 11, and is located in the first groove 111, and is electrically connected with the detection head 21, the detector 22 is used as a main body of detection, receives signals from the detection head 21 for processing, the display screen 23 is fixedly connected with the case cover 12, and is electrically connected with the detector 22, detection information can be displayed through the display screen 23, the fixing component 3 includes a hanging belt 31 and a supporting plate 32, the supporting plate 32 is slidably connected with the case body 11 and is located at one side of the case body 11, the hanging belt 31 is fixedly connected with the case body 11 and is located at one side of the supporting plate 32, the hanging belt 31 can be hung on the human body, and is attached to the human body through the supporting plate 32 to provide a supporting force for the case body 11, so that the folding rod 14 can be conveniently operated for detection, and the case body 11 can be supported to a high position through the folding rod 14 for detection while being conveniently moved, the detection range is larger, so that the problem that the detection range is small due to the fact that the existing mobile equipment is often used for holding the detection head 21 for detection is solved.
Further, the support assembly 1 further includes a sealing ring 15, and the sealing ring 15 is fixedly connected to the box cover 12 and is located between the box body 11 and the box cover 12.
In this embodiment, the sealing ring 15 is disposed between the box cover 12 and the box body 11, so as to increase sealing performance and prevent external impurities from entering.
Further, the support assembly 1 further includes a pressing plate 16, and the pressing plate 16 is fixedly connected to the box cover 12 and is located on one side of the box cover 12 close to the folding rod 14.
In the present embodiment, the pressing plate 16 is disposed on one side of the box cover 12, so that the folding rod 14 can be pressed during storage, and the damage to the detection head 21 caused by the shaking of the folding rod 14 during movement is avoided.
Further, the support assembly 1 further comprises a handle 17, and the handle 17 is fixedly connected with the box body 11 and is located on one side of the box body 11.
In this embodiment, the handle 17 is disposed at one side of the box body 11, so that the detection device can be moved in a portable manner, and the movement is more convenient.
Further, the support assembly 1 further comprises a handle 18, and the handle 18 is fixedly connected with the rotating rod 13 and is positioned on one side of the rotating rod 13.
In this embodiment, the handle 18 is disposed at one side of the rotating rod 13, so that the rotating rod 13 can be controlled to rotate by the handle 18, and the orientation of the detecting head 21 can be controlled by the folding rod 14, so that the measurement can be more accurate.
Further, the handle 18 includes a handle body 181 and a sliding rod 182, the sliding rod 182 is slidably connected to the rotating rod 13 and located at one side of the rotating rod 13, and the handle body 181 is fixedly connected to the sliding rod 182 and located at one side of the box 11.
In this embodiment, the sliding rod 182 can slide relative to the rotating rod 13, so that the handle body 181 can slide into the groove on the box 11 for storage when not in use, and slide out of the sliding rod 182 first when in use, and then the orientation of the detection head 21 is controlled through the handle body 181.
Further, the support assembly 1 further includes a shielding layer 19, and the shielding layer 19 is fixedly connected to the box body 11 and the box cover 12 and is located inside the box body 11 and the box cover 12.
In the present embodiment, the shielding layer 19 is disposed inside the case 11 and the case cover 12 to shield external electromagnetic interference, thereby improving measurement accuracy.
Further, the supporting plate 32 is provided with a sponge pad 321, and the sponge pad 321 is located on one side of the supporting plate 32 far away from the box body 11.
In this embodiment, the sponge pad 321 is disposed at the bottom of the supporting plate 32, and when the supporting plate 32 is used for supporting by a human body, a buffering effect can be provided by the sponge pad 321, so that discomfort can be reduced, and the use is more comfortable.
Further, the detection assembly 2 further comprises a cloth stopper 24 and a pull rod 25, the cloth stopper 24 is slidably connected with the box body 11 and is located in the box body 11, and the pull rod 25 is slidably connected with the box body 11 and is fixedly connected with the cloth stopper 24 and is located between the display screen 23 and the detector 22.
In this embodiment, the pull rod 25 is pulled to pull out the cloth stopper 24 in the box body 11, so as to shield the display screen 23, thereby preventing the object in the box body 11 from touching the display screen 23 during the moving process and causing damage.
In a second aspect, referring to fig. 6, the present invention further provides a method for detecting partial discharge of a transformer, including:
s101, fixing the box body 11 and the human body through the hanging belt 31 and the supporting plate 32;
Since the detection device is generally bulky and difficult to hold with both hands, the case 11 and the human body are fixed by the strap 31, and then the position of the case 11 is supported by the support plate 32.
S102, pulling out the folding bar 14 based on the detected height, and combining the second latching post 1424 and the first latching slot 1414;
the length of the folding rod 14 is slightly less than the width of the box body 11, the height is estimated, then the folding rods 14 with proper quantity are pulled out, and the second clamping column 1424 and the first clamping groove 1414 are combined to form a long rod with a certain height, so that the detection can be carried out.
S103, rotating the rotating rod 13 to enable the detection head 21 to reach a detection position, and detecting by using the detection head 21;
the position of the long bar of folding bars 14 can then be checked by turning the turning bar 13.
S104 the detector 22 processes the detection data and displays the detection data through the display.
The detector 22 is used as a main body for detection, receives signals from the detection head 21 for processing, and the display screen 23 is fixedly connected with the box cover 12 and is electrically connected with the detector 22, so that detection information can be displayed through the display screen 23.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A partial discharge detection device of a transformer is characterized in that,
the detection device comprises a supporting component, a detection component and a fixing component, wherein the supporting component comprises a box body, a box cover, a rotating rod and a plurality of folding rods, the box body is provided with a first groove, the box cover is fixedly connected with the box body and is positioned on one side of the box body, the rotating rod is rotatably connected with the box body and is positioned in the first groove, the folding rods comprise a first rod and a second rod, the first rod is provided with a first sliding groove, a first wire groove, a first clamping column, a first clamping groove and a first rotating shaft, the first clamping column and the first clamping groove are positioned on two sides of the first wire groove, the first rod is rotatably connected with the rotating rod and is positioned on one side of the rotating rod, the first rotating shaft is positioned on one side of the first rod far away from the rotating rod, the second rod is provided with a second sliding groove, a second clamping column and a second rotating shaft, and the second rod is rotatably connected with the first rotating shaft, the first rotating shaft is positioned in the second sliding groove, the second clamping column is close to the first clamping groove, the second clamping groove is positioned at one side of the second rod far away from the second clamping column, the folding rods are sequentially connected with an upper folding rod, the detection assembly comprises a detection head, a detector and a display screen, the detection head is fixedly connected with the folding rod, and is positioned at one side of the folding rod far away from the box body, the detector is fixedly connected with the box body, and is positioned in the first groove and is electrically connected with the detection head, the display screen is fixedly connected with the box cover, and is electrically connected with the detector, the fixing component comprises a hanging belt and a supporting plate, the supporting plate is connected with the box body in a sliding way, and is positioned at one side of the box body, and the hanging belt is fixedly connected with the box body and is positioned at one side of the supporting plate.
2. The transformer partial discharge detection apparatus of claim 1,
the supporting component further comprises a sealing ring, and the sealing ring is fixedly connected with the box cover and is positioned between the box body and the box cover.
3. The transformer partial discharge detection apparatus of claim 2,
the supporting component further comprises a pressing plate, and the pressing plate is fixedly connected with the box cover and is positioned on one side, close to the folding rod, of the box cover.
4. The transformer partial discharge detection apparatus of claim 3,
the supporting component further comprises a lifting handle, and the lifting handle is fixedly connected with the box body and is positioned on one side of the box body.
5. The transformer partial discharge detection apparatus of claim 4,
the support assembly further comprises a handle, and the handle is fixedly connected with the rotating rod and is positioned on one side of the rotating rod.
6. The transformer partial discharge detection apparatus of claim 5,
the handle comprises a handle body and a sliding rod, the sliding rod is connected with the rotating rod in a sliding mode and is located on one side of the rotating rod, and the handle body is fixedly connected with the sliding rod and is located on one side of the box body.
7. The partial discharge detecting apparatus of transformer according to claim 6,
the supporting component further comprises a shielding layer, and the shielding layer is fixedly connected with the box body and the box cover and is positioned in the box body and the box cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484528.2A CN112578246B (en) | 2020-12-16 | 2020-12-16 | Transformer partial discharge detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011484528.2A CN112578246B (en) | 2020-12-16 | 2020-12-16 | Transformer partial discharge detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112578246A CN112578246A (en) | 2021-03-30 |
| CN112578246B true CN112578246B (en) | 2022-07-29 |
Family
ID=75135804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011484528.2A Active CN112578246B (en) | 2020-12-16 | 2020-12-16 | Transformer partial discharge detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112578246B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561599B (en) * | 2022-12-07 | 2023-03-10 | 国网辽宁省电力有限公司 | Transformer partial discharge intelligent detector |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012143732A (en) * | 2011-01-14 | 2012-08-02 | Denso Corp | Exhaust gas cleaning catalyst |
| CN206906507U (en) * | 2017-07-03 | 2018-01-19 | 天津米辐美科技发展有限公司 | remote ionizing radiation detecting device |
| CN108226731A (en) * | 2018-04-09 | 2018-06-29 | 保定市恒信达电气有限公司 | A kind of onboard ultrasound wave partial discharge detection equipment |
| CN110031657A (en) * | 2019-04-25 | 2019-07-19 | 山东大学 | For carrying out the detection device and method of Partial Discharge Detection to power equipment |
| CN210486782U (en) * | 2019-10-30 | 2020-05-08 | 南京航硕电气有限公司 | Transformer winding deformation detection device |
| CN210862764U (en) * | 2019-09-04 | 2020-06-26 | 广东电网有限责任公司 | Integrated device of temperature measurement and partial discharge detector |
| CN211293136U (en) * | 2019-11-21 | 2020-08-18 | 四川华东电气集团有限公司 | Power transformer partial discharge detection equipment |
| CN111830373A (en) * | 2020-06-15 | 2020-10-27 | 贵州电网有限责任公司 | Power equipment partial discharge detection device convenient to operation is used |
| CN211826303U (en) * | 2020-03-07 | 2020-10-30 | 国家电网有限公司 | Equipment detection device used for transformer substation |
-
2020
- 2020-12-16 CN CN202011484528.2A patent/CN112578246B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012143732A (en) * | 2011-01-14 | 2012-08-02 | Denso Corp | Exhaust gas cleaning catalyst |
| CN206906507U (en) * | 2017-07-03 | 2018-01-19 | 天津米辐美科技发展有限公司 | remote ionizing radiation detecting device |
| CN108226731A (en) * | 2018-04-09 | 2018-06-29 | 保定市恒信达电气有限公司 | A kind of onboard ultrasound wave partial discharge detection equipment |
| CN110031657A (en) * | 2019-04-25 | 2019-07-19 | 山东大学 | For carrying out the detection device and method of Partial Discharge Detection to power equipment |
| CN210862764U (en) * | 2019-09-04 | 2020-06-26 | 广东电网有限责任公司 | Integrated device of temperature measurement and partial discharge detector |
| CN210486782U (en) * | 2019-10-30 | 2020-05-08 | 南京航硕电气有限公司 | Transformer winding deformation detection device |
| CN211293136U (en) * | 2019-11-21 | 2020-08-18 | 四川华东电气集团有限公司 | Power transformer partial discharge detection equipment |
| CN211826303U (en) * | 2020-03-07 | 2020-10-30 | 国家电网有限公司 | Equipment detection device used for transformer substation |
| CN111830373A (en) * | 2020-06-15 | 2020-10-27 | 贵州电网有限责任公司 | Power equipment partial discharge detection device convenient to operation is used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112578246A (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112578246B (en) | Transformer partial discharge detection device and method | |
| CN204909451U (en) | Human composition analyzer with automatically, receive line function | |
| CN109917998A (en) | For showing the mobile device and method of information | |
| CN207992299U (en) | A kind of omnipotent meter apparatus of electric power overhaul | |
| CN105249965A (en) | Human body composition analyzer capable of automatically winding wire | |
| CN210775320U (en) | Cloth static decay tester | |
| CN216622473U (en) | Broadband alternating current standard source | |
| CN209894886U (en) | Portable lithium battery internal resistance detector | |
| CN216847873U (en) | Power grid state online detection device | |
| CN211478516U (en) | Partial discharge live detector | |
| CN210724818U (en) | Intelligent radio test instrument | |
| CN208506158U (en) | A kind of suspension type testing for electrical equipment device | |
| CN214953784U (en) | Insulation resistance tester with large-capacity storage | |
| CN212872723U (en) | Aging detection equipment for built-in connector lug of display | |
| CN213586487U (en) | Sensing data acquisition device | |
| CN215116616U (en) | Flat thyristor fault detection device | |
| CN215931819U (en) | Portable food detection device | |
| CN214278289U (en) | Portable device of voltmeter | |
| CN214622725U (en) | Portable detector for IGBT module | |
| CN217060343U (en) | Rail impedance detection device based on voltage sine signal | |
| CN211979002U (en) | Test platform for chip manufacturing | |
| CN211787967U (en) | Drawing and folding display screen | |
| CN220649753U (en) | Height and weight scale convenient to measure and store | |
| CN211652035U (en) | Performance detection device of optical divider plug-in box | |
| CN215340194U (en) | Circuit detection device for electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |