CN220231892U - Partial discharge on-line monitoring multi-input phase synchronizer - Google Patents
Partial discharge on-line monitoring multi-input phase synchronizer Download PDFInfo
- Publication number
- CN220231892U CN220231892U CN202321804817.5U CN202321804817U CN220231892U CN 220231892 U CN220231892 U CN 220231892U CN 202321804817 U CN202321804817 U CN 202321804817U CN 220231892 U CN220231892 U CN 220231892U
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- interface
- line monitoring
- cover plate
- display
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 4
- 239000011093 chipboard Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a partial discharge on-line monitoring multi-input phase synchronizer, which comprises the following components: the device comprises a shell, and a control module, a display module and an interface module which are arranged in the shell, wherein the interface module is arranged on the control module, and the display module is connected with the control module; the control module includes: the synchronous unit is used for synchronizing the power frequency phase information; the power supply conversion unit is used for converting the voltage; a processor unit for processing and outputting phase information; the interface module includes: the input interfaces and the output interfaces are arranged oppositely and are respectively connected with the synchronous unit, and the number of the input interfaces is larger than 1. According to the utility model, through arranging a plurality of PT input interfaces and connecting the output interfaces to the external synchronous interface of the partial discharge on-line monitoring system, the power frequency phase synchronization can be realized by connecting the output interfaces to a 220V power frequency power supply, so that the phase of the collected partial discharge signal cannot drift.
Description
Technical Field
The utility model relates to the technical field of partial discharge detection, in particular to a partial discharge on-line monitoring multi-input phase synchronizer.
Background
Phase synchronization refers to that in a communication system, clock frequencies of a transmitting end and a receiving end are not completely consistent, so that time offset occurs in a data transmission process, and the data transmission quality is affected. Thus, certain measures need to be taken to achieve phase synchronization. The phase information of the partial discharge signal is important information for analyzing the partial discharge failure mode. The traditional phase acquisition mode of the partial discharge signal is mainly to calculate the phase of the partial discharge signal by synchronously sampling the partial discharge signal and the power frequency signal.
In the local discharge field test process, because the environment is complex, different interference signals exist to influence the detection result of the local discharge, and the field interference has uncertainty, so that the phase of the collected local discharge signal is shifted, the phase is asynchronous, the accuracy of the detection result of the local discharge is influenced, and the phase information of a plurality of PT terminals cannot be collected at one time.
Disclosure of Invention
The utility model aims to provide a partial discharge on-line monitoring multi-input phase synchronizer which is used for solving the problems that partial discharge signals acquired by partial discharge on-line monitoring have phase drift and a plurality of phase information cannot be acquired simultaneously.
The utility model solves the technical problems by adopting the following technical scheme:
a partial discharge on-line monitoring multiple-input phase synchronizer, comprising: the device comprises a shell, and a control module, a display module and an interface module which are arranged in the shell, wherein the interface module is arranged on the control module, and the display module is connected with the control module;
the control module includes: the synchronous unit is used for synchronizing the power frequency phase information; the power supply conversion unit is used for converting the voltage; a processor unit for processing and outputting phase information;
the interface module includes: the input interfaces and the output interfaces are arranged oppositely and are respectively connected with the synchronous unit, and the number of the input interfaces is larger than 1.
Preferably, the housing includes: the device comprises a base, a cover plate and screws; the base is fixedly connected with the cover plate through screws, the control module is arranged in the base, and the display module is arranged on the cover plate.
Preferably, the control module further comprises a chip board, and a synchronization unit, a power conversion unit and a processor unit are arranged on the chip board;
and connecting holes are formed in four corners of the chip board and are used for fixedly connecting the base and the cover plate.
Preferably, the display module includes: the display device comprises a chip board, a plurality of indicator lamps, a cover plate and a display device, wherein the indicator lamps are used for displaying the states of the input interface and the device, one end of each indicator lamp is arranged on the chip board in an array mode, and the other end of each indicator lamp extends to the cover plate in the radial direction.
Preferably, a display panel is concavely arranged on the outer surface of the cover plate, and the display panel is used for marking and is connected with the display module.
Preferably, the cover plate and the display panel are correspondingly provided with display holes, and the display holes are connected with the indicator lamp in a matched manner.
Preferably, the cover plate and the side surface of the base are provided with air outlet grooves, and the air outlet grooves are symmetrically arranged in double rows.
Preferably, the four corners of the base and the cover plate are correspondingly provided with connecting grooves, and the screws are arranged in the connecting grooves and penetrate through the chip board for connection.
Preferably, the indicator light includes: first PT pilot lamp, second PT pilot lamp, third PT pilot lamp, fourth PT pilot lamp and status light.
Preferably, the input interface includes: the first PT interface, the second PT interface, the third PT interface, and the fourth PT interface.
According to the utility model, through arranging a plurality of PT input interfaces and connecting the output interfaces to the external synchronous interface of the partial discharge on-line monitoring system, the power frequency phase synchronization can be realized by connecting the output interfaces to a 220V power frequency power supply, so that the phase of the collected partial discharge signal cannot drift.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic diagram of a control module according to the present utility model;
FIG. 4 is a schematic diagram of a display module according to the present utility model;
the labels in the figures are: 1-a housing; 2-a control module; 3-a display module; 4-an interface module; 5-an input interface; 6-an output interface; 7-a base; 8-cover plate; 9-a screw; 10-chip board; 11-connecting holes; 12-indicator lights; 13-a display panel; 14-display holes; 15-an air outlet groove; 16-connecting grooves; 17-a first PT indicator light; 18-a second PT indicator light; 19-a third PT indicator light; 20-fourth PT indicator light; 21-status lights; 22-a PT interface; 23-a second PT interface; 24-a third PT interface; 25-fourth PT interface; 26-a power display interface; 27-a supporting seat.
Detailed Description
The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.
The embodiment provides a partial discharge on-line monitoring multiple-input phase synchronizer, which comprises: the device comprises a shell 1, a control module 2, a display module 3 and an interface module 4, wherein the control module 2, the display module 3 and the interface module 4 are arranged in the shell 1, the interface module 4 is arranged on the control module 2, and the display module 3 is connected with the control module 2;
the control module 2 includes: the synchronous unit is used for synchronizing the power frequency phase information; the power supply conversion unit is used for converting the voltage into 220V alternating voltage to be converted into PT synchronous signal input voltage, and the voltage range is 5-100V; a processor unit for processing and outputting phase information;
the interface module 4 includes: the input interface 5 and the output interface 6, the input interface 5 and the output interface 6 are oppositely arranged and are respectively connected with the synchronous unit, the number of the input interfaces 5 is greater than 1, and in the embodiment, the number of the input interfaces 5 is 4.
Aiming at the problems that partial discharge signals are subjected to phase drift and a plurality of phase information cannot be acquired simultaneously in partial discharge online monitoring acquisition in the prior art, the utility model discloses a partial discharge online monitoring multi-input phase synchronizer, a plurality of input interfaces 5 are connected to an alternating current power supply or a PT secondary terminal, an indicator lamp 12 is turned on, a partial discharge online monitoring system selects a synchronous mode to be in wired out-of-line synchronization, so that power frequency phase information of an on-site alternating current power supply or PT can be acquired, the problem of phase drift is solved, and phase information on a plurality of PT terminals can be acquired.
Further implementation manner of the present embodiment, the housing 1 includes: a base 7, a cover plate 8 and screws 9; the base 7 and the cover plate 8 are fixedly connected through screws 9, the control module 2 is arranged in the base 7, and the display module 3 is arranged on the cover plate 8.
Further implementation manner of the embodiment, the control module 2 further includes a chip board 10, and a synchronization unit, a power conversion unit and a processor unit are disposed on the chip board 10;
the four corners of the chip board 10 are provided with connecting holes 11 for fixedly connecting with the base 7 and the cover plate 8.
In a further implementation manner of this embodiment, the display module 3 includes: the utility model discloses a device, including a plurality of pilot lamps 12, pilot lamp 12 are used for showing input interface 5 and equipment state, and pilot lamp 12 one end array sets up on chip board 10, and the other end radially extends to on the apron 8, and after the equipment circular telegram, pilot lamp 12 lights, and the quantity of pilot lamp 12 can be according to actual scene synchronization.
In a further implementation manner of this embodiment, the outer surface of the cover plate 8 is concavely provided with a display plate 13, and the display plate 13 is used for identifying and connecting with the display module 3, and the input interface 5, the output interface 6 and the equipment information are displayed on the display plate 13.
In a further embodiment of the present embodiment, the cover plate 8 and the display plate 13 are correspondingly provided with display holes 14, and the display holes 14 are connected with the indicator lamps 12 in a matching manner, so that the indicator lamps 12 can penetrate from the chip board 10 to the outer surface of the display plate 13.
In a further embodiment of the present embodiment, the side surfaces of the cover plate 8 and the base 7 are provided with air outlet grooves 15, and the air outlet grooves 15 are symmetrically arranged in double rows and are used for heat dissipation in the use process of the device.
In a further embodiment of the present embodiment, the cover plate 8 and the base 7 are integrally rectangular, two side edges extend outwards, and connecting grooves 16 are correspondingly formed at four corners, and the screws 9 are arranged in the connecting grooves 16 and penetrate through the chip board 10 to connect, so that the cover plate 8, the chip board 10 and the base 7 are integrally connected and fixed;
the two sides of the base 7 extend outwards to form a supporting seat 27, and the two sides of the supporting seat 27 are provided with connecting grooves 16.
Further, the indicator lamp 12 includes: a first PT indicator lamp 17, a second PT indicator lamp 18, a third PT indicator lamp 19, a fourth PT indicator lamp 20, and a status lamp 21.
Further implementation of the present embodiment, the input interface 5 includes: the first PT interface 22, the second PT interface 23, the third PT interface 24, the fourth PT interface 25 and the power display interface 26 are arranged on one side of the chip board 10, the first PT interface 22 is correspondingly connected with the first PT indicator lamp 17, the second PT interface 23 is correspondingly connected with the first PT indicator lamp 17, the third PT interface 24 is correspondingly connected with the third PT indicator lamp 19, and the fourth PT interface 25 is correspondingly connected with the fourth PT indicator lamp 20; the output interface 6 is arranged on the other side of the chip board 10 opposite to the input interface 5.
In a further implementation manner of this embodiment, after the device is powered on with a 220V power frequency power supply (50 Hz power frequency signal), it needs to test whether signals can be synchronized normally, and a function signal generator is used to access sine wave signals with different frequencies of 10V to the first PT interface 22, the second PT interface 23, the third PT interface 24 and the fourth PT interface 25, and the output interface 6 is connected to an external synchronization interface of the monitoring system, and the synchronization mode is set to be an external synchronization mode, so as to check whether a real-time spectrum interface of the computer has power frequency synchronization.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A partial discharge on-line monitoring multiple-input phase synchronizer, comprising: the device comprises a shell, and a control module, a display module and an interface module which are arranged in the shell, wherein the interface module is arranged on the control module, and the display module is connected with the control module;
the control module includes: the synchronous unit is used for synchronizing the power frequency phase information; the power supply conversion unit is used for converting the voltage; a processor unit for processing and outputting phase information;
the interface module includes: the input interfaces and the output interfaces are arranged oppositely and are respectively connected with the synchronous unit, and the number of the input interfaces is larger than 1.
2. The partial discharge on-line monitoring multiple-input phase synchronizer of claim 1 wherein the housing comprises: the device comprises a base, a cover plate and screws; the base is fixedly connected with the cover plate through screws, the control module is arranged in the base, and the display module is arranged on the cover plate.
3. The partial discharge on-line monitoring multi-input phase synchronizer of claim 2, wherein the control module further comprises a chip board, and the chip board is provided with a synchronization unit, a power conversion unit and a processor unit;
and connecting holes are formed in four corners of the chip board and are used for fixedly connecting the base and the cover plate.
4. The partial discharge on-line monitoring multiple-input phase synchronizer of claim 3 wherein the display module comprises: the display device comprises a chip board, a plurality of indicator lamps, a cover plate and a display device, wherein the indicator lamps are used for displaying the states of the input interface and the device, one end of each indicator lamp is arranged on the chip board in an array mode, and the other end of each indicator lamp extends to the cover plate in the radial direction.
5. The partial discharge on-line monitoring multiple input phase synchronizer of claim 4 wherein a display panel is recessed on an outer surface of the cover plate, the display panel being configured to identify and connect with the display module.
6. The partial discharge on-line monitoring multiple-input phase synchronizer of claim 5, wherein the cover plate and the display plate are correspondingly provided with display holes, and the display holes are connected with the indicator lamp in a matching manner.
7. The partial discharge on-line monitoring multi-input phase synchronizer of claim 2, wherein the cover plate and the base are provided with air outlet grooves on the sides, and the air outlet grooves are symmetrically arranged in double rows.
8. The partial discharge on-line monitoring multi-input phase synchronizer of claim 3, wherein connecting grooves are correspondingly formed in four corners of the base and the cover plate, and the screws are arranged in the connecting grooves and penetrate through the chip board for connection.
9. The partial discharge on-line monitoring multiple input phase synchronizer of claim 4 wherein the indicator light comprises: first PT pilot lamp, second PT pilot lamp, third PT pilot lamp, fourth PT pilot lamp and status light.
10. The partial discharge on-line monitoring multiple input phase synchronizer of claim 1 wherein the input interface comprises: the first PT interface, the second PT interface, the third PT interface, and the fourth PT interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804817.5U CN220231892U (en) | 2023-07-11 | 2023-07-11 | Partial discharge on-line monitoring multi-input phase synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321804817.5U CN220231892U (en) | 2023-07-11 | 2023-07-11 | Partial discharge on-line monitoring multi-input phase synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220231892U true CN220231892U (en) | 2023-12-22 |
Family
ID=89173245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804817.5U Active CN220231892U (en) | 2023-07-11 | 2023-07-11 | Partial discharge on-line monitoring multi-input phase synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220231892U (en) |
-
2023
- 2023-07-11 CN CN202321804817.5U patent/CN220231892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109617628B (en) | Multifunctional detection device and method for multi-meter-in-one acquisition equipment | |
| CN103412520B (en) | Various energy resources centralized monitoring system and monitoring method thereof | |
| CN108072830B (en) | Three-floating inertia platform single plate automatic testing device | |
| US9285427B2 (en) | Testing apparatus and testing method of electronic device | |
| CN201293719Y (en) | Test device for outdoor set of air conditioner | |
| CN108303191A (en) | Multi-channel temperature acquisition device and system | |
| CN220231892U (en) | Partial discharge on-line monitoring multi-input phase synchronizer | |
| CN202471087U (en) | Heading and attitude instrument comprehensive test bed | |
| CN105589026A (en) | Large switch matrix testing device | |
| CN113655368A (en) | Batch detection device for bus interface boards | |
| CN209327509U (en) | A kind of GIS ultrahigh frequency partial discharge test device using automatic positioning technology | |
| CN204859190U (en) | Smart power grids time lock monitoring system | |
| CN116794620A (en) | Complete radar loop test system | |
| WO2022143477A1 (en) | Data acquisition apparatus and data acquisition method | |
| CN205103324U (en) | 1553B data bus detector | |
| CN201489526U (en) | Adapter card, computer device and single computer mainboard | |
| CN212364531U (en) | Battery module safety and EOL (Ethernet over load) testing system capable of randomly expanding number of battery cores | |
| CN210514535U (en) | Novel test structure of circuit board | |
| CN209117849U (en) | A kind of acquisition assembly detection apparatus | |
| US20210173464A1 (en) | System for visualizing power signal sequence | |
| CN103019280A (en) | Temperature monitoring device for multi-contact temperature measurement | |
| CN220455454U (en) | Intelligent sensor phase synchronizer | |
| CN218824433U (en) | Testing device | |
| CN215116612U (en) | Pressure resistance test instrument with simple structure | |
| CN218727437U (en) | Aging test system of WiFi module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |