CN203798921U - Electric power differential transformer fault indicator - Google Patents
Electric power differential transformer fault indicator Download PDFInfo
- Publication number
- CN203798921U CN203798921U CN201420069168.3U CN201420069168U CN203798921U CN 203798921 U CN203798921 U CN 203798921U CN 201420069168 U CN201420069168 U CN 201420069168U CN 203798921 U CN203798921 U CN 203798921U
- Authority
- CN
- China
- Prior art keywords
- differential transformer
- board
- electric power
- liquid crystal
- dsp mainboard
- 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.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 3
- 230000008034 disappearance Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 6
- 230000008901 benefit Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an electric power differential transformer fault indicator comprising a DSP mainboard, a power board, a differential transformer acquisition board, an installation bottom board and a liquid crystal board. The installation bottom board is fixed on the rear part of a machine case. The DSP mainboard, the power board and the differential transformer acquisition board are installed on the installation bottom board and electrically connected with the installation bottom board. The liquid crystal board is installed in the internal part of the front panel of the machine case and electrically connected with the installation bottom board via a data line. The DSP mainboard is electrically connected with the power board, the differential transformer acquisition board, the installation bottom board and the liquid crystal board. The differential transformer acquisition board is provided with an AC voltage and AC current mutual inductor circuit which is used for converting AC voltage and current acquired by the differential transformer acquisition board into voltage and current capable of being identified by the DSP mainboard. The electric power differential transformer fault indicator is high in anti-interference capability; a DSP chip on the DSP mainboard is used so that system operation speed is higher; and fault data are more accurate and higher in precision.
Description
Technical field
The utility model relates to fault detector, is specifically related to a kind of electric power differential transformer fault detector.
Background technology
The irregular operating state of electric power differential transformer mainly contains: excess current and neutral point overvoltage that the excess current causing due to the outside phase fault of transformer and external ground short circuit cause; Because load surpasses the overload that rated capacity causes.
Electric power differential transformer is power supply component very important in electric system, and its fault is brought serious impact by the normal operation on power supply reliability and system.Jumbo electric power differential transformer is also very valuable element simultaneously.Therefore, distribution automation system is monitored necessary to transformer fault.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of electric power differential transformer fault detector.
The technical scheme in the invention for solving the above technical problem is: a kind of electric power differential transformer fault detector, comprises DSP mainboard, power panel, differential transformer collection plate, mounting base and liquid crystal board; Described mounting base is fixed on cabinet rear portion; Described DSP mainboard, power panel and differential transformer collection plate are arranged on mounting base, and mounting base is electrically connected; Described liquid crystal board is arranged on case front panel inside, and mounting base is electrically connected by data line; Described DSP mainboard is electrically connected power panel, differential transformer collection plate, mounting base and liquid crystal board; Described differential transformer collection plate is provided with alternating voltage and AC current transformer circuit, in order to alternating voltage and the current transitions that differential transformer collection plate is collected, is the discernible voltage and current of DSP mainboard.
Further, described DSP mainboard is that control chip is the DSP mainboard of DSP.
Further, on described DSP mainboard, be also provided with GPRS communication module, in order to communicate with host computer.
Further, described DSP mainboard, for to judge processing in order to the voltage on the differential transformer that differential transformer collection plate is collected, electric current, determines whether that the DSP mainboard of respective handling occurs and does fault.
Further, described liquid crystal board is provided with upwarding key, down Arrow, left Arrow, right key, acknowledgement key, cancel key and reset key, in order to indicator is operated.
Further, described liquid crystal board is provided with LCD LCDs.
Further, described liquid crystal board is provided with red and green LED pilot lamp, in order to show generation and the disappearance of differential transformer fault.
Advantage of the present utility model:
1. antijamming capability is strong;
The use of dsp chip on 2.DSP mainboard, system running speed is faster;
3. fault data is more accurate, and precision is higher.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of a kind of Power Transformer Faults indicator of the utility model embodiment.
With reference to figure 1, as shown in Figure 1, a kind of electric power differential transformer fault detector, comprises DSP mainboard, power panel, differential transformer collection plate, mounting base and liquid crystal board; Described mounting base is fixed on cabinet rear portion; Described DSP mainboard, power panel and differential transformer collection plate are arranged on mounting base, and mounting base is electrically connected; Described liquid crystal board is arranged on case front panel inside, and mounting base is electrically connected by data line; Described DSP mainboard is electrically connected power panel, differential transformer collection plate, mounting base and liquid crystal board; Described differential transformer collection plate is provided with alternating voltage and AC current transformer circuit, in order to alternating voltage and the current transitions that differential transformer collection plate is collected, is the discernible voltage and current of DSP mainboard.
Described DSP mainboard is that control chip is the DSP mainboard of DSP.
On described DSP mainboard, be also provided with GPRS communication module, in order to communicate with host computer.
Described DSP mainboard, for to judge processing in order to the voltage on the differential transformer that differential transformer collection plate is collected, electric current, determines whether that the DSP mainboard of respective handling occurs and does fault.
Described liquid crystal board is provided with upwarding key, down Arrow, left Arrow, right key, acknowledgement key, cancel key and reset key, in order to indicator is operated.
Described liquid crystal board is provided with LCD LCDs.
Described liquid crystal board is provided with red and green LED pilot lamp, in order to show generation and the disappearance of differential transformer fault.
The utility model embodiment is mainly applicable to 10KV and following high-tension switch gear and distribution network systems.For detection of, indication, transmit differential transformer device fault-signal.When differential transformer breaks down, can transmit in time failure message to host computer, to process.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. an electric power differential transformer fault detector, is characterized in that, comprises DSP mainboard, power panel, differential transformer collection plate, mounting base and liquid crystal board; Described mounting base is fixed on cabinet rear portion; Described DSP mainboard, power panel and differential transformer collection plate are arranged on mounting base, and mounting base is electrically connected; Described liquid crystal board is arranged on case front panel inside, and mounting base is electrically connected by data line; Described DSP mainboard is electrically connected power panel, differential transformer collection plate, mounting base and liquid crystal board; Described differential transformer collection plate is provided with alternating voltage and AC current transformer circuit, in order to alternating voltage and the current transitions that differential transformer collection plate is collected, is the discernible voltage and current of DSP mainboard.
2. electric power differential transformer fault detector according to claim 1, is characterized in that, described DSP mainboard is that control chip is the DSP mainboard of DSP.
3. electric power differential transformer fault detector according to claim 1, is characterized in that, on described DSP mainboard, is also provided with GPRS communication module, in order to communicate with host computer.
4. electric power differential transformer fault detector according to claim 1, it is characterized in that, described DSP mainboard, for to judge processing in order to the voltage on the differential transformer that differential transformer collection plate is collected, electric current, determines whether that the DSP mainboard of respective handling occurs and does fault.
5. electric power differential transformer fault detector according to claim 1, is characterized in that, described liquid crystal board is provided with upwarding key, down Arrow, left Arrow, right key, acknowledgement key, cancel key and reset key, in order to indicator is operated.
6. electric power differential transformer fault detector according to claim 1, is characterized in that, described liquid crystal board is provided with LCD LCDs.
7. according to the arbitrary described electric power differential transformer fault detector of claim 1-6, it is characterized in that, described liquid crystal board is provided with red and green LED pilot lamp, in order to show generation and the disappearance of differential transformer fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069168.3U CN203798921U (en) | 2014-02-17 | 2014-02-17 | Electric power differential transformer fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069168.3U CN203798921U (en) | 2014-02-17 | 2014-02-17 | Electric power differential transformer fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798921U true CN203798921U (en) | 2014-08-27 |
Family
ID=51381125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069168.3U Expired - Fee Related CN203798921U (en) | 2014-02-17 | 2014-02-17 | Electric power differential transformer fault indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569048A (en) * | 2015-10-09 | 2017-04-19 | 宁夏琪凯节能设备有限公司 | Energy-saving type power transformer fault instrument |
-
2014
- 2014-02-17 CN CN201420069168.3U patent/CN203798921U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569048A (en) * | 2015-10-09 | 2017-04-19 | 宁夏琪凯节能设备有限公司 | Energy-saving type power transformer fault instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205067643U (en) | Direct current system's of transformer substation distributed insulation monitoring and warning device | |
| CN102565696B (en) | Quick measuring device of protective pressing plate and measuring method thereof | |
| CN105226816A (en) | Pressing plate Stateful Inspection and anti-error management system | |
| CN204347118U (en) | Electrification in high voltage numerical monitor and blocking device | |
| CN203674687U (en) | Intelligent residual-current circuit breaker | |
| CN203800700U (en) | Power distribution network monitoring system | |
| CN203798921U (en) | Electric power differential transformer fault indicator | |
| CN204928348U (en) | Embedded dual supply automatic transfer equipment of protocol conversion ware | |
| CN104678756A (en) | Novel intelligent comprehensive power transformation and distribution monitoring system | |
| CN103259336A (en) | High-voltage fault monitoring system based on internet of things technology | |
| CN202548270U (en) | Fault indicator and line fault on-line detection system | |
| CN203103948U (en) | Controller for arc extinction and over-voltage protection device | |
| CN203798959U (en) | Power over-voltage/over-current fault indicator | |
| CN202119862U (en) | Electric power circuit fault information display and remote transmission device | |
| CN104297587B (en) | A kind of direct-current transmission converter valve lightning arrester monitoring device and monitoring method | |
| CN105572525A (en) | Single-phase electric leakage monitoring apparatus | |
| CN202694557U (en) | Self-checking warning signal detecting and emitting device | |
| CN202094607U (en) | Protective device for low-tension motor | |
| CN203883482U (en) | An intelligent power factor controller | |
| CN102680805A (en) | Wireless digital electric field strength monitoring sensor | |
| CN202548663U (en) | Automatic temperature controller | |
| CN203562843U (en) | Self-powered protective device based on current induction power source | |
| CN204216674U (en) | Intelligent drawout cubicle state acquisition system | |
| CN106569048A (en) | Energy-saving type power transformer fault instrument | |
| CN204703486U (en) | A kind of synchronous lifting control system for attachment type raise scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180217 |