CN213457205U - Partial discharge online monitoring device - Google Patents
Partial discharge online monitoring device Download PDFInfo
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- CN213457205U CN213457205U CN202022163587.1U CN202022163587U CN213457205U CN 213457205 U CN213457205 U CN 213457205U CN 202022163587 U CN202022163587 U CN 202022163587U CN 213457205 U CN213457205 U CN 213457205U
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Abstract
The utility model provides an on-line monitoring device is put in office relates to partial discharge monitoring technology field. Including monitoring box and control display screen group, monitoring box top is fixed with flexible connecting wire two through the draw-in groove, be fixed with flexible connecting wire one through the draw-in groove on the outside both sides wall of monitoring box, install integrated panel through the hinge on the outside another lateral wall of monitoring box, integrated panel is last to be embedded to have the control display screen group, the device is through setting up electrode holder, monitoring needle and sucking disc on traditional pulse current monitoring assembly, monitors discharge's data simultaneously to insulator inside, insulator surface and the most advanced three position of electrode respectively, and annular ultrasonic wave gathers sound channel and ultrasonic monitoring sensor's effect on the deuterogamying can fix a position for insulator partial discharge's position, has saved the work of artifical secondary location, has improved the work efficiency who overhauls.
Description
Technical Field
The utility model relates to a partial discharge monitoring technology field specifically is an online monitoring device is put in office.
Background
A partial discharge is an electrical discharge in an insulating medium that is confined to only a portion of the medium under test and that only insulates the conductors from each other. The partial discharge of some weak parts in the insulation of adjacent electric equipment, which may or may not occur in a conductor, is a common problem in high-voltage insulation under the action of a strong electric field, although the partial discharge generally does not cause the penetration breakdown of the insulation, but can cause the dielectric, especially the organic dielectric, and if the partial discharge exists for a long time, the partial discharge test of the electric equipment, which can cause the insulation degradation and even the breakdown, can not only know the insulation condition of the equipment, but also find out the reason and the severity degree of the insulation fault in time according to various manufacturing and installation problems.
Most of the existing partial discharge online monitoring devices monitor a single part of an insulator, the detection form is fuzzy, the device can only play a role of fuzzy early warning and reminding, the discharging position cannot be accurately positioned, manual accurate measurement is needed, and the device is not beneficial to implementation of work.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an online monitoring device is put in office to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an on-line monitoring device is put in office, includes monitoring box and control display screen group, monitoring box top is fixed with flexible connecting wire two through the draw-in groove, be fixed with flexible connecting wire one through the draw-in groove on the outside both sides wall of monitoring box, install integrated panel through the hinge on another lateral wall of monitoring box outside, it has to embed on the integrated panel control display screen group.
Preferably, be fixed with on the inside wall of integrated panel with control display screen group electric connection's screen group circuit board, the integrated panel outside with install the tool to lock between the monitoring box.
Preferably, the two top ends of the telescopic connecting wire are electrically connected with a monitoring needle, one side of the monitoring needle is electrically connected with a fixing plate through the two telescopic connecting wires, a current conduction assembly is clamped and pressed inside the fixing plate, a sucker is installed on the outer wall of the fixing plate, and the sucker is electrically communicated with the current conduction assembly.
Preferably, a sucker seat is fixed on the monitoring box body through a screw under the fixing plate, an annular ultrasonic acquisition sound channel is fixed on one side of the sucker seat surrounding the monitoring box body, and an electrode clamp is electrically connected to the top of the telescopic connecting wire.
Preferably, the installation guide rail is installed through the bolt at monitoring box back, pulse current sensor one is installed through the bolt at the top in the monitoring box, there is pulse current sensor two through the screw installation on the wall of monitoring box both sides, pulse current sensor one with flexible connecting line two is the electric property intercommunication, pulse current sensor two with flexible connecting line one is the electric property intercommunication.
Preferably, install ultrasonic wave monitoring sensor through the bolt on the lateral wall in the monitoring box, the bottom is fixed with the data acquisition circuit board through the draw-in groove in the monitoring box, ultrasonic wave monitoring sensor pulse current sensor one pulse current sensor two and monitoring display screen group all with the data acquisition circuit board passes through the wire intercommunication.
The utility model provides an on-line monitoring device is put in office, its beneficial effect who possesses as follows:
the device is through setting up electrode holder, monitoring needle and sucking disc on traditional pulse current monitoring subassembly, and the data of discharging is monitored simultaneously to insulator inside, insulator surface and the most advanced three position of electrode respectively, and annular ultrasonic wave gathers sound channel and ultrasonic monitoring sensor's effect on the deuterogamying, can fix a position for insulator partial discharge's position, has saved the work of artifical secondary location, has improved the work efficiency who overhauls.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the monitoring box of the present invention;
fig. 3 is a main sectional view of the middle fixing plate of the present invention.
In the figure: 1. monitoring the box body; 2. a first telescopic connecting line; 3. an electrode holder; 4. a monitoring pin; 5. a fixing plate; 6. a sucker seat; 7. an integration panel; 8. a first pulse current sensor; 9. a data acquisition circuit board; 10. collecting a sound channel by using annular ultrasonic waves; 11. a second current pulse sensor; 12. an ultrasonic monitoring sensor; 13. monitoring the display screen group; 14. installing a guide rail; 15. a suction cup; 16. a current conducting component; 17. and a second telescopic connecting line.
Detailed Description
The embodiment of the utility model provides an on-line monitoring device is put in office, as shown in fig. 1-3, including monitoring box 1 and monitor display screen group 13, 1 top of monitoring box is fixed with two 17 of telescopic connection line through the draw-in groove, is fixed with one 2 of telescopic connection line through the draw-in groove on 1 outside both sides wall of monitoring box, installs integrated panel 7 through the hinge on 1 outside another lateral wall of monitoring box, and integrated panel 7 is gone up to be embedded to have monitor display screen group 13.
As shown in fig. 1 and fig. 3, a panel circuit board electrically connected with a monitoring display panel set 13 is fixed on the inner wall of an integrated panel 7, a lockset is installed between the outside of the integrated panel 7 and a monitoring box 1, a monitoring needle 4 is electrically connected to the top end of a second telescopic connecting wire 17, a fixing plate 5 is electrically connected to one side of the monitoring needle 4 and the second telescopic connecting wire 17, a current conducting component 16 is clamped inside the fixing plate 5, a sucking disc 15 is installed on the outer wall of the fixing plate 5, the sucking disc 15 is electrically communicated with the current conducting component 16, a sucking disc seat 6 is fixed on the monitoring box 1 through screws under the fixing plate 5, an annular ultrasonic acquisition sound channel 10 is fixed on one side of the sucking disc seat 6 around the monitoring box 1, and an electrode clamp 3 is electrically connected to the.
As shown in fig. 1 and fig. 2, installation guide rail 14 is installed through the bolt in monitoring box 1 back, pulse current sensor 8 is installed through the bolt in the top in monitoring box 1, install pulse current sensor two 11 through the screw on the both sides wall in monitoring box 1, pulse current sensor one 8 and flexible connecting wire two 17 intercommunication, pulse current sensor two 11 and flexible connecting wire one 2 intercommunication, install ultrasonic wave monitoring sensor 12 through the bolt on the lateral wall in monitoring box 1, the bottom is fixed with data acquisition circuit board 9 through the draw-in groove in the monitoring box 1, ultrasonic wave monitoring sensor 12, pulse current sensor one 8, pulse current sensor two 11 and monitoring display screen group 13 all pass through the wire intercommunication with data acquisition circuit board 9.
The implementation mode is specifically as follows: the monitoring display screen group 13 is respectively used for displaying partial discharge data monitored on the monitoring needle 4, the sucker 15 and the electrode clamp 3, the annular ultrasonic wave acquisition sound channel 10 is arranged around the monitoring box body 1, so that ultrasonic waves emitted around an insulator of the equipment can be received comprehensively, the partial discharge position can be positioned better, the functions and the structures of the pulse current sensor I8 and the pulse current sensor II 11 are the same, the partial discharge of the insulator generates pulse current in the coupling capacitor Ck, the pulse signal is picked up by the input unit, after low-noise pre-amplification and filter amplifier selection of a required frequency band and main amplification, discharge pulses are displayed on an elliptic scanning baseline of the oscillography screen, and meanwhile, the discharge pulses are transmitted to the pulse peak value table log table to display the peak value of the pulse current sensor.
The working principle is as follows: when the device is used, the installation guide rail 14 is installed at a proper position in the electrical equipment, then the monitoring box body 1 is fixedly connected with the installation guide rail 14, the monitoring needle 4 is inserted into the wall of the electrical insulator, the electrode clamp 3 is clamped and fixed at two ends of an electrode of the electrical equipment, the fixing plate 5 is fixedly adsorbed with the outer surface of the insulator through the sucker 15, a conductive structure in the sucker 15 is in contact connection with the insulator, and finally the monitoring box body 1 is connected with an external power supply, so that the device can be normally used, wherein pulse current generated by discharging in the insulator is transmitted into the first pulse current sensor 8 through the monitoring needle 4 and the second telescopic connecting wire 17, pulse current generated by discharging on the surface of the insulator is transmitted into the first pulse current sensor 8 through the sucker 15 and the second telescopic connecting wire 17, and electrode discharging of the electrical equipment is transmitted into the second pulse current sensor 11 through the first telescopic connecting wire 2, meanwhile, the annular ultrasonic wave acquisition sound channel 10 is used for acquiring electromagnetic wave signals generated after partial discharge of equipment, the ultrasonic wave monitoring sensor 12 is used for identifying and receiving signals, the last two groups of signal quantities jointly enter the data acquisition circuit board 9 for analysis and processing, and are displayed on the monitoring display screen group 13, discharge data and data monitored by the ultrasonic wave monitoring sensor 12 are compared according to three positions, the purpose of accurately positioning the discharge position is realized, the work of manual secondary positioning is omitted, and the work efficiency of maintenance is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an online monitoring device is put in office, includes monitoring box (1) and control display screen group (13), its characterized in that: monitoring box (1) top is fixed with flexible connecting wire two (17) through the draw-in groove, be fixed with flexible connecting wire (2) through the draw-in groove on the outside both sides wall of monitoring box (1), install integrated panel (7) through the hinge on monitoring box (1) outside another lateral wall, it has to be embedded on integrated panel (7) control display screen group (13).
2. The partial discharge online monitoring device according to claim 1, wherein: be fixed with on integrated panel (7) inside wall with control display screen group (13) electric connection's screen group circuit board, integrated panel (7) outside with install the tool to lock between monitoring box (1).
3. The partial discharge online monitoring device according to claim 2, wherein: the utility model discloses a flexible connection line, including flexible connection line two (17), monitoring needle (4) one side with flexible connection line two (17) electric connection has fixed plate (5), the inside card of fixed plate (5) is pressed there is electric current conduction subassembly (16), fixed plate (5) outside wall mounting has sucking disc (15), sucking disc (15) with electric current conduction subassembly (16) electric communication.
4. The partial discharge online monitoring device according to claim 3, wherein: be in under fixed plate (5) there is sucking disc seat (6) through the fix with screw on monitoring box (1), sucking disc seat (6) one side is encircleed monitoring box (1) is fixed with annular ultrasonic wave and gathers sound channel (10), telescopic connecting line (2) top electric connection has electrode clamp (3).
5. The partial discharge online monitoring device according to claim 4, wherein: installation guide rail (14) are installed through the bolt to monitoring box (1) back, pulse current sensor (8) are installed through the bolt at the top in monitoring box (1), install pulse current sensor two (11) through the screw on the wall of both sides in monitoring box (1), pulse current sensor one (8) with telescopic connection line two (17) are the electric property intercommunication, pulse current sensor two (11) with telescopic connection line one (2) are the electric property intercommunication.
6. The partial discharge online monitoring device according to claim 5, wherein: install ultrasonic monitoring sensor (12) through the bolt on the lateral wall in monitoring box (1), the bottom is fixed with data acquisition circuit board (9) through the draw-in groove in monitoring box (1), ultrasonic monitoring sensor (12) pulse current sensor (8) pulse current sensor two (11) and monitoring display screen group (13) all with data acquisition circuit board (9) pass through the wire intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163587.1U CN213457205U (en) | 2020-09-28 | 2020-09-28 | Partial discharge online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022163587.1U CN213457205U (en) | 2020-09-28 | 2020-09-28 | Partial discharge online monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN213457205U true CN213457205U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022163587.1U Active CN213457205U (en) | 2020-09-28 | 2020-09-28 | Partial discharge online monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671328A (en) * | 2021-09-15 | 2021-11-19 | 山东金科电气股份有限公司 | Signal acquisition device for transformer partial discharge online monitoring device |
-
2020
- 2020-09-28 CN CN202022163587.1U patent/CN213457205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671328A (en) * | 2021-09-15 | 2021-11-19 | 山东金科电气股份有限公司 | Signal acquisition device for transformer partial discharge online monitoring device |
| CN113671328B (en) * | 2021-09-15 | 2023-02-07 | 山东金科电气股份有限公司 | Signal acquisition device for transformer partial discharge online monitoring device |
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