CN204464171U - Gas relay for whole-sealed transformer - Google Patents
Gas relay for whole-sealed transformer Download PDFInfo
- Publication number
- CN204464171U CN204464171U CN201520119272.3U CN201520119272U CN204464171U CN 204464171 U CN204464171 U CN 204464171U CN 201520119272 U CN201520119272 U CN 201520119272U CN 204464171 U CN204464171 U CN 204464171U
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- Prior art keywords
- pedestal
- probe
- guide pipe
- rod
- relief valve
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Abstract
A kind of gas relay for whole-sealed transformer, it includes electric panel room, pedestal, pointer-type oil level gauge, guide pipe, fly rod and float, its technical essential is: have terminals and pressure switch in electric panel room inside, outside electric panel room pedestal on cover and be also provided with oil fuel tube, this oil fuel tube top is provided with pressure relief valve, the pedestal of oil fuel tube both sides covers and is respectively arranged with vent valve and test probe, the compressing tablet end circulus of this test probe bottom is enclosed within guide pipe, described compressing tablet is arranged on the top of fly rod upper end joint, between guide pipe and rotating shaft.The utility model overall volume is small and exquisite, and internal actions structure is simple, avoids that to produce action because of complex structure malfunctioning, very convenient when installing and use.
Description
Technical field
The utility model relates to transformer safety equipment technical field, particularly a kind of gas relay for whole-sealed transformer of Real-Time Monitoring.
Background technology
As everyone knows, the safe operation of transformer is the prerequisite of Electrical Safety, and Buchholz relay is the important safety protective device on transformer, it is arranged on transformer tank and covers, connection signal or trip(ping) circuit under the gas effect that power transformer interior fault produces, relative assembly is given the alarm signal or transformer is excised from electrical network, reach the effect of protection transformer, but there is its own shortcomings in these Buchholz relays: 1. there is the glass vision panel that transparent respectively in the housing both sides of Buchholz relay, direct sunlight is to the transformer oil in relay, transformer oil oxidation rate under ultraviolet effect can be accelerated, 2. the form of housing both sides can only monitor the oil level of more than fuel tank cap of transformer, can not monitor the oil level of below fuel tank cap of transformer, 3. because it declines to carrying out adhesive magnetic reed switch and send alarm signal and carry out relaying protection by float band moving magnet to the excess air (light gas) slowly increased, and to there is serious accident in transformer just with when having air-fuel mixture (grave gas) of certain pressure, alarm signal protection can not be sent, 4. what Buchholz relay surface lacquer painting in the past adopted is all electrostatic spraying mode, and electrostatic spraying is applicable to indoor, and for a long time in outdoor solar light direct projection, lacquer painting can variable color, and serious meeting comes off, and affects attractive in appearance and anticorrosion ability.
Summary of the invention
The utility model object is to provide a kind of gas relay for whole-sealed transformer; its compact; internal actions structure is simple and with test structure, repairing structure and pressure sensing warning device, make it more comprehensively protect transformer, considerably increases the coefficient of safety of transformer.
The technical scheme that the utility model adopts is: this gas relay for whole-sealed transformer includes electric panel room, pedestal, pointer oil level gauge, guide pipe, fly rod and float, it is characterized in that: the lower middle side part of described pedestal upper cover is provided with guide pipe, guide pipe is set with float, and the bottom that float upper surface is saved with fly rod lower end is connected, electric panel room is had on the upside of the upper cover of described pedestal, terminals and pressure switch is had in electric panel room inside, outside electric panel room pedestal on cover and be also provided with oil fuel tube, this oil fuel tube top is provided with pressure relief valve, the pedestal of oil fuel tube both sides covers and is respectively arranged with vent valve and test probe, the probe compressing tablet end circulus of this test probe bottom is enclosed within guide pipe, described probe compressing tablet is arranged on the top of fly rod upper end joint, between guide pipe and rotating shaft, on the top of fly rod upper end joint, adhesive magnet is set, the reed relay that hanger is suspended on upper cover bottom is provided with adhesive magnet correspondence position, described pointer oil level gauge is arranged on the pedestal side of electric panel room bottom.
Described oil level gauge includes dial plate, dial plate glass and to be fixed as one the pointer of synchronous axial system with driven rotary magnet, and this dial plate glass is fixed on pedestal by trim ring; Inner at pedestal the correspondence position of driven rotary magnet is provided with active rotation magnet, this active rotation magnet and the rotating shaft coaxle heart supported by axle bed are fixed as one synchronous axial system.
Described pressure relief valve includes the relief valve pedestal of band liberation port, this relief valve pedestal is fixed on oil fuel tube oral area by the straight wall of inverted U-shaped locking device, the valve rod of liberation port is provided through downwards at inverted U-shaped locking device top center, compression spring top cap is provided with in the bottom of valve rod, be set with compression spring outside valve rod between compression spring top cap and relief valve pedestal, outside relief valve pedestal, be also provided with the diaphragm for closed liberation port.
Described test probe includes probe base and probe rod, is set with back-moving spring outside the probe rod in probe base, and probe rod bottom is provided with probe compressing tablet.
The probe upper cap preventing invalid action is had in probe base arranged outside.
The whole pedestal of the utility model, without glass vision panel, avoids ultraviolet irradiation; Because the utility model is provided with oil level gauge, when pasta rises or decline, the change of oil level in oil tank of transformer clearly can be observed at oil level gauge place; Because the utility model is provided with pressure sensing warning device, when there is serious accident in transformer just with when having a certain pressure, pressure warning unit can send alarm signal, and light, both grave gas all have protection; This product adopts durable sprayed surface, comparatively electrostatic spraying many one procedures-primer spray, and adhesive force is good, and automobile coating is applicable to outdoor resistance to solar radiation.
Accompanying drawing explanation
Fig. 1 is broken section structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is test probe structural representation of the present utility model;
Fig. 5 is the vertical view of Fig. 4.
Description of reference numerals: 1. electric panel room, 2. vent valve, 3. test probe, 4. pedestal, 5. pressure relief valve, 6. oil fuel tube, 7. binding post, 8. pressure switch, 9. reed relay, 10. adhesive magnet, 11. fly rods, 12. guide pipes, 13. floats, 14. compression spring top caps, 15. rotating shafts, 16. active rotation magnet, 17. driven rotary magnets, 18. dial plates, 19. pointers, 20. dial plate glass, 21. trim rings, 22. relief valve pedestals, 23. liberation ports, 24. inverted U-shaped locking devices, 25. diaphragms, 26. valve rods, 27. compression springs, 28. probe compressing tablets, 29. back-moving springs, 30. probe bases, 31. probe upper cap, 32. probe rods, 33. compressing tablet hold-down nuts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further illustrated:
As Figure 1-5, gas relay for whole-sealed transformer of the present utility model includes electric panel room 1 and pedestal 4, electric panel room 1 is had on the upside of the upper cover of pedestal 4, binding post 7 and pressure switch 8 is had in electric panel room 1 inside, outside electric panel room 1 pedestal 4 on cover and be also provided with oil fuel tube 6, this oil fuel tube 6 top is provided with pressure relief valve 5, the pedestal of oil fuel tube 6 both sides covers and is respectively arranged with vent valve 2 and test probe 3, the probe compressing tablet 35 end circulus of this test probe 3 bottom is enclosed within guide pipe 12, probe compressing tablet 35 is arranged on the top of fly rod 13 upper end joint, between guide pipe 12 and rotating shaft 15, on the top of fly rod 11 upper end joint, adhesive magnet 10 is set, the reed relay 9 that hanger is suspended on upper cover bottom is provided with adhesive magnet correspondence position, the lower middle side part of pedestal 4 upper cover is provided with guide pipe 12, guide pipe 12 is set with float 13, the bottom that float 13 upper surface is saved with fly rod 11 lower end is connected, pointer-type oil level gauge is arranged on the pedestal side of electric panel room bottom, and this pointer oil level gauge includes dial plate 18, dial plate glass 20 and to be fixed as one the pointer 19 of synchronous axial system with driven rotary magnet 17, and this dial plate glass is fixed on pedestal 4 by trim ring 21, inner at pedestal 4 correspondence position of driven rotary magnet 17 is provided with active rotation magnet 16, this active rotation magnet 16 and rotating shaft 15 concentric supported by axle bed are fixed as one synchronous axial system.
Above-mentioned pressure relief valve 5 includes the relief valve pedestal 22 of band liberation port 23, this relief valve pedestal 22 is fixed on oil fuel tube 6 oral area by the straight wall of inverted U-shaped locking device 24, the valve rod 26 of liberation port 23 is provided through downwards at inverted U-shaped locking device top center, compression spring top cap 14 is provided with in the bottom of valve rod 26, be set with compression spring 27 outside valve rod 26 between compression spring top cap 14 and relief valve pedestal 22, outside relief valve pedestal 22, be also provided with the diaphragm 25 for closed liberation port 23.
Above-mentioned test probe 3 includes probe base 30 and probe rod 32, is set with back-moving spring 29 outside the probe rod 32 in probe base 30, in probe rod 32 bottom, compressing tablet hold-down nut 33 is provided with probe compressing tablet 28.The probe upper cap 31 preventing invalid action is had in probe base 30 arranged outside.
During use, this device is arranged on oil tank of transformer cover, when in fuel tank, oil level changes, float drives fly rod to decline, and the adhesive magnet of fly rod end moves upward, when arriving predetermined warning oil level, adhesive magnet attraction reed relay sends alarm signal, now rotating shaft rotates along with the decline of fly rod, active rotation magnet is driven to rotate, driven rotary magnet is along with active rotation magnet synchronous axial system, pointer and driven rotary magnet synchronous axial system, namely pointer accurately indicates oil surface level on dial plate, supervises early warning for field personnel.When inside transformer generation serious accident, when its adjoint certain pressure reaches pressure switch preset alarming value, pressure switch will send alarm signal; When reaching the preset force value of pressure relief valve, pressure relief valve opens release pressure.During rigging up and debugging, by pressing test probe, probe compressing tablet moves downward and presses fly rod and move downward, and simulation pasta declines, and precision maneuver and oil level gauge indicate whether accurately can to test reed relay.
Realize the purpose of this utility model in sum.
Claims (5)
1. a gas relay for whole-sealed transformer, it includes electric panel room, pedestal, pointer oil level gauge, guide pipe, fly rod and float, it is characterized in that: the lower middle side part of described pedestal upper cover is provided with guide pipe, guide pipe is set with float, and the bottom that float upper surface is saved with fly rod lower end is connected, electric panel room is had on the upside of the upper cover of described pedestal, terminals and pressure switch is had in electric panel room inside, outside electric panel room pedestal on cover and be also provided with oil fuel tube, this oil fuel tube top is provided with pressure relief valve, the pedestal of oil fuel tube both sides covers and is respectively arranged with vent valve and test probe, the probe compressing tablet end circulus of this test probe bottom is enclosed within guide pipe, described probe compressing tablet is arranged on the top of fly rod upper end joint, between guide pipe and rotating shaft, on the top of fly rod upper end joint, adhesive magnet is set, the reed relay that hanger is suspended on upper cover bottom is provided with adhesive magnet correspondence position, described pointer oil level gauge is arranged on the pedestal side of electric panel room bottom.
2. gas relay for whole-sealed transformer according to claim 1, it is characterized in that: described pointer oil level gauge includes dial plate, dial plate glass and to be fixed as one the pointer of synchronous axial system with driven rotary magnet, and this dial plate glass is fixed on pedestal by trim ring; Inner at pedestal the correspondence position of driven rotary magnet is provided with active rotation magnet, this active rotation magnet and the rotating shaft coaxle heart supported by axle bed are fixed as one synchronous axial system.
3. gas relay for whole-sealed transformer according to claim 1, it is characterized in that: described pressure relief valve includes the relief valve pedestal of band liberation port, this relief valve pedestal is fixed on oil fuel tube oral area by the straight wall of inverted U-shaped locking device, the valve rod of liberation port is provided through downwards at inverted U-shaped locking device top center, compression spring top cap is provided with in the bottom of valve rod, be set with compression spring outside valve rod between compression spring top cap and relief valve pedestal, outside relief valve pedestal, be also provided with the diaphragm for closed liberation port.
4. gas relay for whole-sealed transformer according to claim 1, it is characterized in that: described test probe includes probe base and probe rod, be set with back-moving spring outside probe rod in probe base, probe rod bottom is provided with probe compressing tablet.
5. gas relay for whole-sealed transformer according to claim 4, is characterized in that: have the probe upper cap preventing invalid action in probe base arranged outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119272.3U CN204464171U (en) | 2015-02-28 | 2015-02-28 | Gas relay for whole-sealed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119272.3U CN204464171U (en) | 2015-02-28 | 2015-02-28 | Gas relay for whole-sealed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464171U true CN204464171U (en) | 2015-07-08 |
Family
ID=53671020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119272.3U Expired - Fee Related CN204464171U (en) | 2015-02-28 | 2015-02-28 | Gas relay for whole-sealed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596870A (en) * | 2019-01-03 | 2019-04-09 | 合肥微纳传感技术有限公司 | A kind of probe station |
-
2015
- 2015-02-28 CN CN201520119272.3U patent/CN204464171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596870A (en) * | 2019-01-03 | 2019-04-09 | 合肥微纳传感技术有限公司 | A kind of probe station |
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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 |
Granted publication date: 20150708 Termination date: 20180228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |