CN204290487U - Dry-type transformer intelligent monitoring and controlling device - Google Patents
Dry-type transformer intelligent monitoring and controlling device Download PDFInfo
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- CN204290487U CN204290487U CN201420712176.5U CN201420712176U CN204290487U CN 204290487 U CN204290487 U CN 204290487U CN 201420712176 U CN201420712176 U CN 201420712176U CN 204290487 U CN204290487 U CN 204290487U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Protection Of Transformers (AREA)
Abstract
The utility model belongs to transformer monitoring and control technology field, particularly relates to a kind of dry-type transformer intelligent monitoring and controlling device.Comprise CPU and communication unit, switch acquisition unit, of ac collecting unit, iron core grounding current monitoring unit, optical fiber temperature-measurement unit, air-blower control unit and power supply; Specifically in housing, be provided with backboard, above unit is also connected successively by the bus communication on backboard; Power supply is powered to unit by backboard.The utility model possesses measures digitlization, fan intelligent control, communication, iron core grounding current monitoring, winding and temperature monitoring unshakable in one's determination and comprehensive analytic function, current value when can gather temperature, the fan operation of Circuit Fault on Secondary Transformer current value, iron core grounding current value, winding and iron core, comprehensively analyze according to above parameter, control the start-stop of blower fan, and the running time of each blower fan of reasonable distribution.Displaying interface, comprehensive backstage is provided, and with state evaluation master station communication, facilitate the operation maintenance of transformer.
Description
Technical field
The utility model belongs to transformer monitoring and control technology field, particularly relates to a kind of dry-type transformer intelligent monitoring and controlling device.
Background technology
Because dry-type transformer is better relative to oil-filled transformer fail safe, energy-saving effect is obvious, and this body structure is also progressively improving, and capacity and electric pressure are all improving gradually, so be more used in power distribution network, even in power transmission and transformation net.Along with the development of intelligent grid, the repair based on condition of component of primary equipment is constantly perfect, to dry-type transformer except power transformation function, propose higher technical requirement, comprehensive status monitoring and intelligent control function should be possessed, show the operating state of transformer on the spot comprehensively, and can with state evaluation master station communication.
At present, the assembly that dry-type transformer is equipped with, only comprises temperature control device usually, adopts the temperature of PT-100 thermal resistance collection coil, and controls the start-stop of blower fan, have simple communication function.The obvious like this demand that can not meet intelligent grid.
Summary of the invention
For the technical problem existed in above-mentioned prior art, the utility model provides a kind of dry-type transformer intelligent monitoring and controlling device, its objective is solve that dry-type transformer and intelligent grid now interconnect, the problem of status monitoring and control, propose a kind ofly to adapt to high, the safe and reliable dry-type transformer intelligent monitoring and controlling device of intelligent grid development, integrated level.
In order to realize foregoing invention object, the utility model is achieved through the following technical solutions:
Dry-type transformer intelligent monitoring and controlling device, comprises CPU and communication unit, switch acquisition unit, of ac collecting unit, iron core grounding current monitoring unit, optical fiber temperature-measurement unit, air-blower control unit and power supply; Specifically in housing, be provided with backboard, above unit is also connected successively by the bus communication on backboard; Power supply is powered to unit by backboard.
The two ends of described housing one side are provided with the installation plate hole facilitating device installation by adhering.
Described CPU and communication unit have fiber optic Ethernet interface, RS-485 communication interface and 4-20mA communication interface, can communicate with the spot sensor possessing above communication modes; With PC, notebook computer or state evaluation master station communication, show the background interface of dry-type transformer, the status data of transformer is provided.
Described of ac collecting unit comprises built-in punching current transformer.
Described iron core grounding current monitoring unit can gather amplifying circuit and gather Transformer Core Grounding electric current.
Described optical fiber temperature-measurement unit comprises LED light source, light splitting piece and modulation-demodulation circuit.
Described air-blower control unit comprises built-in relay summation current transformer, can gather electric current during blower fan work, and control the start-stop of blower fan.
Advantage of the present utility model and the beneficial effect produced are:
The utility model provides a kind of dry-type transformer intelligent monitoring and controlling device, will possess and measure digitlization, fan intelligent control, communication, iron core grounding current monitoring, winding and temperature monitoring unshakable in one's determination and comprehensive analytic function.Current value when this device can gather temperature, the fan operation of Circuit Fault on Secondary Transformer current value, iron core grounding current value, winding and iron core, comprehensively analyzes according to above parameter, controls the start-stop of blower fan, and the running time of each blower fan of reasonable distribution.Displaying interface, comprehensive backstage is provided, and with state evaluation master station communication, facilitate the operation maintenance of transformer.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is using state layout plan of the present utility model;
In figure: CPU and communication unit 1, switch acquisition unit 2, of ac collecting unit 3, iron core grounding current monitoring unit 4, optical fiber temperature-measurement unit 5, air-blower control unit 6, power supply 7, dry-type transformer body 8, iron core grounding electric current 9, transformer case 10, system three-phase current 11, device case 12, plate hole 13, blower fan 14 are installed.
Embodiment
The utility model dry-type transformer intelligent monitoring and controlling device, as shown in Figure 1, this device adopts board plug type structure, flexible configuration.Specifically in housing 12, side is provided with and installs plate hole 13, facilitates installation by adhering; CPU and communication unit 1, switch acquisition unit 2, of ac collecting unit 3, iron core grounding current monitoring unit 4, optical fiber temperature-measurement unit 5, air-blower control unit 6 and power supply 7 is provided with in the inside of housing 12.Be provided with backboard in housing, above unit is also connected successively by the bus communication on backboard; Power supply is powered to unit by backboard.
CPU described in the utility model and communication unit 1 have fiber optic Ethernet interface, RS-485 communication interface and 4-20mA communication interface, can communicate, as environment humidity sensor etc. with the spot sensor possessing above communication modes; With PC, notebook computer or state evaluation master station communication, show the background interface of dry-type transformer, the status data of transformer is provided.
Described of ac collecting unit 3 comprises built-in punching current transformer, gathers Circuit Fault on Secondary Transformer current value.
Described iron core grounding current monitoring unit 4 comprises collection amplifying circuit, carries out acquisition process to Transformer Core Grounding electric current.
Described optical fiber temperature-measurement unit 5 comprises LED light source, light splitting piece and modulation-demodulation circuit, changes, treatment and analysis to light signal.
Described air-blower control unit 6 comprises built-in relay summation current transformer, can gather electric current during blower fan work, and control the start-stop of blower fan.
During concrete operations, as shown in Figure 2, this device is connected with computer by CPU and communication unit 1, the current transformer, the Fibre Optical Sensor be embedded in winding and iron core that also need on dry-type transformer body 8, be equipped with the current transformer gathering secondary side current, the current transformer gathering iron core grounding electric current, gather blower fan electric current simultaneously.Switch acquisition unit 2 can electrification in high voltage instruction, transformer case 10 door on the switching value such as electromagnetic lock.The current signal of Circuit Fault on Secondary Transformer current transformer collection is converted to the signal of applicable electronic circuit process by of ac collecting unit 3 further by built-in current instrument transformer.Iron core grounding current monitoring unit 4 will gather the signal of punching current transformer on Transformer Core Grounding line, carries out amplification process, and according to setting threshold, provides alarm signal.Optical fiber temperature-measurement unit 5 launches exciting light by LED light source, detects and is embedded in the light intensity that in winding and iron core, optical fiber-probe returns, thus obtain the Temperature Quantity at this place.Air-blower control unit 6 obtains secondary side current, iron core and winding temperature value, and formation control strategy can control the start-stop of blower fan 14 through built-in relay, and blower fan electric current when being run by current sensor monitoring.CPU and communication unit logical 1 are crossed internal bus and are gathered each monitoring parameter, comprehensively analyze, show that relevant evaluation result issues state evaluation main website, and in PC or notebook, carry out showing interface through ethernet communication mode.
Displaying interface on dry-type transformer intelligent monitoring and controlling device backstage PC can show the running status of transformer by panorama, such as temperature, temperature unshakable in one's determination, ambient temperature, the iron core grounding current value of every phase winding, and by calculating ageing rate, load factor and the anticipated load ability etc. that provide transformer.
Claims (7)
1. dry-type transformer intelligent monitoring and controlling device, is characterized in that: comprise CPU and communication unit (1), switch acquisition unit (2), of ac collecting unit (3), iron core grounding current monitoring unit (4), optical fiber temperature-measurement unit (5), air-blower control unit (6) and power supply (7); Specifically in housing (12), be provided with backboard, above unit is also connected successively by the bus communication on backboard; Power supply is powered to unit by backboard.
2. dry-type transformer intelligent monitoring and controlling device according to claim 1, is characterized in that: the two ends of described housing (12) one side are provided with the installation plate hole (13) facilitating device installation by adhering.
3. dry-type transformer intelligent monitoring and controlling device according to claim 1, it is characterized in that: described CPU and communication unit (1) have fiber optic Ethernet interface, RS-485 communication interface and 4-20mA communication interface, can communicate with the spot sensor possessing above communication modes; With PC, notebook computer or state evaluation master station communication, show the background interface of dry-type transformer, the status data of transformer is provided.
4. dry-type transformer intelligent monitoring and controlling device according to claim 1, is characterized in that: described of ac collecting unit (3) comprises built-in punching current transformer.
5. dry-type transformer intelligent monitoring and controlling device according to claim 1, is characterized in that: described iron core grounding current monitoring unit (4) can gather amplifying circuit and gather Transformer Core Grounding electric current.
6. dry-type transformer intelligent monitoring and controlling device according to claim 1, is characterized in that: described optical fiber temperature-measurement unit (5) comprises LED light source, light splitting piece and modulation-demodulation circuit.
7. dry-type transformer intelligent monitoring and controlling device according to claim 1, is characterized in that: described air-blower control unit (6) comprises built-in relay summation current transformer, can gather electric current during blower fan work, and control the start-stop of blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712176.5U CN204290487U (en) | 2014-11-25 | 2014-11-25 | Dry-type transformer intelligent monitoring and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712176.5U CN204290487U (en) | 2014-11-25 | 2014-11-25 | Dry-type transformer intelligent monitoring and controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290487U true CN204290487U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712176.5U Active CN204290487U (en) | 2014-11-25 | 2014-11-25 | Dry-type transformer intelligent monitoring and controlling device |
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| Country | Link |
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| CN (1) | CN204290487U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185551A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Visible light communication-based transformer |
| CN106406384A (en) * | 2016-12-24 | 2017-02-15 | 福州华光天锐光电科技有限公司 | Fluorescent fiber temperature controller for dry type transformer |
| CN106710807A (en) * | 2016-11-30 | 2017-05-24 | 国网山东省电力公司青州市供电公司 | Intelligent transformer air cooling system and control method thereof |
-
2014
- 2014-11-25 CN CN201420712176.5U patent/CN204290487U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185551A (en) * | 2015-09-22 | 2015-12-23 | 波瑞电气有限公司 | Visible light communication-based transformer |
| CN106710807A (en) * | 2016-11-30 | 2017-05-24 | 国网山东省电力公司青州市供电公司 | Intelligent transformer air cooling system and control method thereof |
| CN106406384A (en) * | 2016-12-24 | 2017-02-15 | 福州华光天锐光电科技有限公司 | Fluorescent fiber temperature controller for dry type transformer |
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