CN203588929U - Intelligent gas relay - Google Patents
Intelligent gas relay Download PDFInfo
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- CN203588929U CN203588929U CN201320629049.4U CN201320629049U CN203588929U CN 203588929 U CN203588929 U CN 203588929U CN 201320629049 U CN201320629049 U CN 201320629049U CN 203588929 U CN203588929 U CN 203588929U
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- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 19
- 238000002955 isolation Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 241000272814 Anser sp. Species 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 2
- 208000032365 Electromagnetic interference Diseases 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model provides an intelligent gas relay, and relates to the gas relay. An existing conventional gas relay has the disadvantages of difficult adjustment, great setting errors, weak whole anti-vibration capability, easy false operation and the like. The intelligent gas relay comprises a detection pipe, a light gas device and a heavy gas device; the light gas device comprises a light gas tank, a hollow floating barrel, a light gas deflating pipe, a light gas deflating valve and a light gas shading sealing cover sleeved with the light gas tank; the light gas tank is provided with a transparent measurement window and an endoscope; a cavity of the light gas tank is separated into an upper cavity and a lower cavity by the hollow floating barrel; and the upper cavity is communicated with the light gas deflating pipe, the lower cavity is communicated with a detection pipe, and gas in oil is separated out. According to the technical scheme, the intelligent gas relay is stable and reliable to work, is not suffered from strong electromagnetic interferences and strong vibration interferences, has no direct-current grounded false operation problems and is sensitive to react; and the development requirements of an intelligent power grid are met.
Description
Technical field
The utility model relates to a kind of Buchholz relay.
Background technology
Existing conventional Buchholz relay is as the main protection of large volume main; its principle is mainly to rely on theory of mechanics; exist setting value adjust difficulty, large, the whole anti-vibration ability of set error weak (easily misoperation in the situation that having big bang, as earthquake etc.) thereby, output signal loop exists easily making moist immersion to cause the shortcomings such as protection misoperation.Another actuating of relay process can not continuous monitoring, cannot catch the actuating of relay accurately constantly, actual oily Flow Velocity cannot continuous monitoring and record in main transformer failure process; Conventional Buchholz relay can not meet the demand of intelligent power network development.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that prior art scheme is improved and improved, and a kind of intelligent Buchholz relay is provided, to reach working stability, reliable object.For this reason, the utility model is taked following technical scheme.
An intelligent Buchholz relay, is characterized in that: comprise detector tube, be located at respectively the light gas device of the upper and lower both sides of detector tube, heavy gas device; Described light gas device comprises the light gas pot that communicates with detector tube by air admission hole, be located at hollow floating drum, the light gas bleeder pipe communicating with hollow floating drum in light gas pot, be located at light gas vent valve on light gas bleeder pipe, be coated at the light gas shading seal closure of light gas pot, described light gas pot is provided with transparent measurement window and endoscope, and described hollow floating drum is divided into epicoele and cavity of resorption by the cavity of light gas pot; Described epicoele communicates with light gas bleeder pipe, and described cavity of resorption communicates with detector tube, and gas evolution in fluid enters light gas pot, promotes the motion of hollow floating drum, and in tank, gas gas volume numerical value sends signal processing unit to by endoscope; Described heavy gas device comprise heavy gas test the speed chamber, separate heavy gas test the speed chamber with detect tube chamber isolation lid, be located at the first rotating shaft in detector tube, be located at the speed measuring turbine in the first rotating shaft, the velocity package being connected with the first rotating shaft, the signal processing unit that is connected with velocity package, when main transformer fault, oil stream impacts speed measuring turbine, drive the first rotating shaft to rotate, utilize velocity package to count and test the speed and be sent to signal processing unit the first rotating shaft velocity of rotation.Light gas vent valve is used for the discharge of the unnecessary gas in inside.
As the further of technique scheme improved and supplemented, the utility model also comprises following additional technical feature.
Described velocity package comprise be located at the first rotating shaft lower end the first permanent magnet, be positioned at heavy gas test the speed the second rotating shaft that second permanent magnet, upper end in chamber be connected with the second permanent magnet, be located at having in the second rotating shaft the test the speed tachometer disc in hole, the optical sensor relative with tachometer disc; The first described permanent magnet is relative with the second permanent magnet, covers airtight isolation to prevent that fluid from entering heavy gas and testing the speed in chamber between the two by isolation, and described the second rotating shaft, tachometer disc and optical sensor is all located at heavy gas and tested the speed in chamber; The rotation first permanent magnet rotation of the first rotating shaft, is made the corresponding rotation of the second permanent magnet and is driven the rotation of the second rotating shaft and tachometer disc by magneticaction, and optical sensor is exported tach signal.Optical sensor is according to the rotating speed of the shadowing tachometer disc of light, and then obtains the flow velocity of liquid
The lower end of the second described rotating shaft is provided with manual operation handle.Whether reliable for manual authentication work.
Described hollow floating drum is aluminium matter sealed hollow floating drum.Aluminium matter sealed hollow floating drum light weight, reliable operation.
Signal processing unit is arranged in main transformer body case; between endoscope, optical sensor and processing unit, with optical cable, be connected; after signal processing unit processes; with IEC61850 GOOSE signal form, be sent to main transformer non electrical quantity protected location, after non electrical quantity protected location is differentiated, send alarm signal or trip signal.
Described speed measuring turbine is perpendicular axis type liquid speed measuring turbine.
It also comprises record ripple memory cell, for recording oily Flow Velocity size, duration, with analysis of failure, the moment, the order of severity and fault progression process occurs.Protection adjust visual, change convenient.
Described measurement window is marked with graduation mark.
Beneficial effect: the technical program working stability, reliable, heavy gas sampling process is by optical sensor, can not be subject to strong electromagnetic, be not subject to strong motion disturb, without DC earthing misoperation problem, be quick on the draw, meet intelligent power network development need, setting value is easy to adjust, and set error is little, shock resistance is strong, because output loop is separated with fluid, moisture-sensitive not, guarantees the accuracy of work; Set up memory cell, can record continuously ripple, be used for that analysis of failure occurs constantly, the order of severity and fault progression process; Protection adjust visual, change convenient.Sample information is delivered to signal processing unit through optical fiber transmission, realizes automation and controls, and meets the demand of intelligent power network development.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the main TV structure schematic diagram of the light gas pot of the utility model.
Fig. 3 is the structural representation of the utility model tachometer disc.
In figure: light gas bleeder pipe 1, light gas vent valve 2, endoscope 3, light gas shading seal closure 4, light gas pot 5, hollow floating drum 6, air admission hole 7, turbine 8, the first permanent magnets 9, tachometer disc 10, the hole 101 of testing the speed, manual operation handle 11, the second permanent magnet light signal input 12, optical sensor 13, detector tube 14, measurement window 15, isolation covers 16.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the utility model comprises detector tube 14, is located at respectively the light gas device of detector tube both sides Shang Xia 14, heavy gas device; Described light gas device comprises the light gas pot 5 that communicates with detector tube 14 by air admission hole 7, be located at hollow floating drum 6, the light gas bleeder pipe 1 communicating with hollow floating drum 6 in light gas pot 5, be located at light gas vent valve 2 on light gas bleeder pipe 1, be coated at the light gas shading seal closure 4 of light gas pot 5, described light gas pot 5 is provided with transparent measurement window 15 and endoscope 3, as shown in Figure 2, measurement window 15 is marked with graduation mark; Described hollow floating drum 6 is divided into epicoele and cavity of resorption by the cavity of light gas pot 5; Described epicoele communicates with light gas bleeder pipe 1, and described cavity of resorption communicates with detector tube 14, and gas evolution in fluid enters light gas pot 5, promotes 6 motions of hollow floating drum, and in tank, gas gas volume numerical value sends signal processing unit to by endoscope 3; Described heavy gas device comprise heavy gas test the speed chamber, separate heavy gas test the speed chamber with detect tube chamber isolation lid 16, be located at the first rotating shaft in detector tube 14, be located at the perpendicular axis type liquid speed measuring turbine 8 in the first rotating shaft, the velocity package being connected with the first rotating shaft, the signal processing unit that is connected with velocity package, when main transformer fault, oil stream impacts speed measuring turbine 8, drive the first rotating shaft to rotate, utilize velocity package to count and test the speed and be sent to signal processing unit the first rotating shaft velocity of rotation.Light gas vent valve 2 is for by the discharge of the unnecessary gas in inside.Wherein velocity package comprise be located at the first rotating shaft lower end the first permanent magnet 9, be positioned at heavy gas test the speed the second rotating shaft that second permanent magnet 12, upper end in chamber be connected with the second permanent magnet 12, be located at having in the second rotating shaft the test the speed tachometer disc 10 in hole 101, the optical sensor 13 relative with tachometer disc 10, the first described permanent magnet 9 is relative with the second permanent magnet 12, covers 16 airtight isolation to prevent that fluid from entering heavy gas and testing the speed in chamber between the two by isolation, and the second described rotating shaft, tachometer disc 10 and optical sensor 13 are all located at heavy gas and are tested the speed in chamber, on tachometer disc 10, have the hole 101 of testing the speed that a plurality of circumferencial directions are evenly arranged, rotation first permanent magnet 9 rotations of the first rotating shaft, by magneticaction, make the corresponding rotation of the second permanent magnet 12 and drive the second rotating shaft and the rotation of tachometer disc 10, optical sensor 13 comprises light signal input unit and the light signal receiving element relative with light signal input unit, light signal input unit and be divided into the upper of tachometer disc 10 with light signal receiving element, lower both sides, in tachometer disc 10 rotation processes, the light of light signal input unit transmitting can be received by light signal receiving element behind the hole 101 of testing the speed of tachometer disc 10, by light signal receiving element, tach signal is exported.Optical sensor 13 is according to the rotating speed of the shadowing tachometer disc 10 of light, and then obtains the flow velocity of liquid.
Whether reliable for checking work, the lower end of the second described rotating shaft is provided with manual operation handle 11.
Hollow floating drum 6 can adopt metalwork or nonmetal parts as high score component etc., and in the present embodiment, low for taking into account light weight, reliable operation and cost, hollow floating drum 6 is aluminium matter sealed hollow floating drum 6.
Signal processing unit is arranged in main transformer body case; between endoscope 3, optical sensor 13 and processing unit, with optical cable, be connected; after signal processing unit processes; with IEC61850 GOOSE signal form, be sent to main transformer non electrical quantity protected location, after non electrical quantity protected location is differentiated, send alarm signal or trip signal.
Described speed measuring turbine 8 is perpendicular axis type liquid speed measuring turbine 8.
For recording oily Flow Velocity size, duration, with analysis of failure, there is the moment, the order of severity and fault progression process, visual, change convenience that protection is adjusted.The technical program also comprises record ripple memory cell.
A kind of intelligent Buchholz relay shown in above Fig. 1-3 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to actual use needs; under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of the protection range of this programme.
Claims (8)
1. an intelligent Buchholz relay, is characterized in that: comprise detector tube (14), be located at respectively the light gas device of the upper and lower both sides of detector tube (14), heavy gas device; Described light gas device comprises the light gas pot (5) that communicates with detector tube (14) by air admission hole (7), be located at hollow floating drum (6), the light gas bleeder pipe (1) communicating with hollow floating drum (6) in light gas pot (5), be located at light gas vent valve (2) on light gas bleeder pipe (1), be coated at the light gas shading seal closure (4) of light gas pot (5), described light gas pot (5) is provided with transparent measurement window (15) and endoscope (3), and described hollow floating drum (6) is divided into epicoele and cavity of resorption by the cavity of light gas pot (5); Described epicoele communicates with light gas bleeder pipe (1), described cavity of resorption communicates with detector tube (14), and gas evolution in fluid enters light gas pot (5), promote hollow floating drum (6) motion, in tank, gas gas volume numerical value sends signal processing unit to by endoscope (3); Described heavy gas device comprise heavy gas test the speed chamber, separate heavy gas test the speed chamber with detect tube chamber isolation lid (16), be located at the first interior rotating shaft of detector tube (14), be located at the speed measuring turbine (8) in the first rotating shaft, the velocity package being connected with the first rotating shaft, the signal processing unit that is connected with velocity package, when main transformer fault, oil stream impacts speed measuring turbine (8), drive the first rotating shaft to rotate, utilize velocity package to count and test the speed and be sent to signal processing unit the first rotating shaft velocity of rotation.
2. a kind of intelligent Buchholz relay according to claim 1, is characterized in that: described velocity package comprise be located at the first rotating shaft lower end the first permanent magnet (9), be positioned at heavy gas test the speed chamber the second permanent magnet (12), the second rotating shaft that upper end is connected with the second permanent magnet (12), be located at having in the second rotating shaft the test the speed tachometer disc (10) of hole (101), the optical sensor (13) relative with tachometer disc (10); Described the first permanent magnet (9) is relative with the second permanent magnet (12), by isolation, cover (16) airtight isolation to prevent that fluid from entering heavy gas and testing the speed in chamber between the two, the second described rotating shaft, tachometer disc (10) and optical sensor (13) are all located at heavy gas and are tested the speed in chamber; Rotation the first permanent magnet (9) rotation of the first rotating shaft, is made the corresponding rotation of the second permanent magnet (12) and is driven the second rotating shaft and the rotation of tachometer disc (10) by magneticaction, and optical sensor (13) is exported tach signal.
3. a kind of intelligent Buchholz relay according to claim 2, is characterized in that: the lower end of the second described rotating shaft is provided with manual operation handle (11).
4. a kind of intelligent Buchholz relay according to claim 3, is characterized in that: described hollow floating drum (6) is aluminium matter sealed hollow floating drum (6).
5. a kind of intelligent Buchholz relay according to claim 4; it is characterized in that: signal processing unit is arranged in main transformer body case; between endoscope (3), optical sensor (13) and processing unit, with optical cable, be connected; after signal processing unit processes; with IEC61850 GOOSE signal form, be sent to main transformer non electrical quantity protected location, after non electrical quantity protected location is differentiated, send alarm signal or trip signal.
6. a kind of intelligent Buchholz relay according to claim 5, is characterized in that: described speed measuring turbine (8) is perpendicular axis type liquid speed measuring turbine (8).
7. a kind of intelligent Buchholz relay according to claim 6, is characterized in that: it also comprises record ripple memory cell, for recording oily Flow Velocity size, duration, with analysis of failure, the moment, the order of severity and fault progression process occurs.
8. a kind of intelligent Buchholz relay according to claim 7, is characterized in that: described measurement window (15) is marked with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629049.4U CN203588929U (en) | 2013-10-12 | 2013-10-12 | Intelligent gas relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629049.4U CN203588929U (en) | 2013-10-12 | 2013-10-12 | Intelligent gas relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588929U true CN203588929U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320629049.4U Expired - Lifetime CN203588929U (en) | 2013-10-12 | 2013-10-12 | Intelligent gas relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489706A (en) * | 2013-10-12 | 2014-01-01 | 国家电网公司 | Intelligent gas relay |
-
2013
- 2013-10-12 CN CN201320629049.4U patent/CN203588929U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489706A (en) * | 2013-10-12 | 2014-01-01 | 国家电网公司 | Intelligent gas relay |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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| CX01 | Expiry of patent term |