CN216528619U - Double-floating-ball gas relay device - Google Patents
Double-floating-ball gas relay device Download PDFInfo
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- CN216528619U CN216528619U CN202122774232.0U CN202122774232U CN216528619U CN 216528619 U CN216528619 U CN 216528619U CN 202122774232 U CN202122774232 U CN 202122774232U CN 216528619 U CN216528619 U CN 216528619U
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Abstract
The utility model discloses a novel double-floating-ball gas relay device, which comprises a gas relay body, wherein an upper cover plate is arranged at the top of the gas relay body, two groups of probes and an air release plug are arranged on the upper cover plate, and the bottoms of the probes and the air release plug are embedded in the upper cover plate and extend into an inner cavity of the gas relay body; the left side surface and the right side surface of the gas relay body are both provided with junction boxes, and the two groups of junction boxes are respectively positioned above the pipelines of the oil inlet and the oil outlet; a plurality of wiring terminals are uniformly distributed on the inner bottom surface of the junction box, and wiring holes are formed in the front side surface and the rear side surface of the junction box; the front side surface and the rear side surface of the gas relay body are respectively and symmetrically provided with two groups of observation windows from top to bottom, and the two groups of observation windows are respectively a light gas observation window and a heavy gas observation window; oil level observation assemblies are arranged inside the observation windows; this device has rain-proof, prevent condensation, dampproofing and prevent DC ground connection and the advantage of being convenient for observe.
Description
Technical Field
The utility model relates to the technical field of transformer protection equipment, in particular to a novel double-floating-ball gas relay device.
Background
The double-floating-ball gas relay is an indispensable protection device in a transformer substation, is positioned in a pipeline between an oil conservator and an oil tank of a transformer, and reacts and links emergency measures to faults such as accelerated circulation caused by gas, insulating oil flow and sudden expansion of insulating oil generated by equipment faults.
The existing double-floating ball gas relay junction box is arranged below a top cover plate, a binding post is vertical to the direction of oil flow, the periphery of the cover plate is sealed through a sealing gasket, but with the problems of operation age, environmental influence, quality aging of the sealing gasket and the like, snow and water are easily accumulated around the cover plate in the weather of ice and snow and rain, so that the interior is wetted and condensed, and a direct current ground fault and even a main circuit breaker is tripped; in addition, the oil level observation window adopts transparent organic glass, and the pressure resistance of the observation window is improved, but because transformer oil is colorless, inspection personnel can hardly distinguish whether the interior of the gas relay is completely filled with oil or whether the oil is insufficient through the observation window, and the like, so that the inspection personnel can easily make misjudgment, the transformer loses the protection of the gas relay, the safe and stable operation of a power grid is influenced, and great potential safety hazards are caused.
Therefore, in light of the above-mentioned shortcomings, it is necessary to provide a novel dual-floating-ball gas relay that is rain-proof, anti-condensation, moisture-proof, dc-grounded-proof, and easy to observe.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the existing gas relay is easy to cause condensation and mistaken signal generation when ice, snow and rainwater infiltrate into equipment due to the problem of quality aging of a sealing gasket, and patrolmen are difficult to observe oil level change conditions through an observation window due to the fact that transformer oil is transparent and colorless, so that the patrolmen are easy to misjudge and influence the safe operation of a power grid.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the novel double-floating-ball gas relay device comprises a gas relay body, wherein an oil inlet and an oil outlet are respectively formed in the left side and the right side below the gas relay body, the oil inlet and the oil outlet are communicated with an inner cavity of the gas relay body, an upper cover plate is arranged at the top of the gas relay body, two groups of probes and an air release plug are arranged on the upper cover plate, and the bottoms of the probes and the air release plug are embedded in the upper cover plate and extend into the inner cavity of the gas relay body;
the left side surface and the right side surface of the gas relay body are respectively provided with a junction box, and the two groups of junction boxes are respectively positioned above the pipelines of the oil inlet and the oil outlet;
a plurality of wiring terminals are uniformly distributed on the inner bottom surface of the wiring box, and wiring holes are formed in the front side surface and the rear side surface of the wiring box;
the front side surface and the rear side surface of the gas relay body are respectively and symmetrically provided with two groups of observation windows from top to bottom, and the two groups of observation windows are respectively a light gas observation window and a heavy gas observation window;
and oil level observation assemblies are arranged in the observation windows.
Preferably, the oil level observation assembly comprises a concave lens, a sealing body, a gland and a reflecting plate, wherein the concave lens is pressed into an installation groove in the observation window through the sealing body and a holding edge of the gland and is fixed on the inner bottom surface of the installation groove through a fastening screw;
the reflecting plate is positioned on one side of the concave lens and is fixedly arranged at a corresponding position in the observation window through a screw.
Preferably, the wiring terminals are ten groups and respectively comprise two pairs of light gas signals, two pairs of heavy gas signals, two pairs of oil shortage alarm signals and four pairs of standby signals.
Preferably, rain covers are sleeved on the peripheries of the junction boxes, and the upper side face and the lower side face of each rain cover are fixed on the outer surfaces of the junction boxes through screws;
the rain cover is a transparent rain cover.
Preferably, the wiring hole is designed to be inclined downwards at an angle of 45 degrees.
Preferably, the gland and the sealing body are both of annular structures;
the gland is made of stainless steel;
the sealing body is an insulating sealing gasket.
Preferably, the reflector is a red circular plate-shaped structure, and the surface of the reflector is coated with a fluorescent material.
Compared with the prior art, the utility model has the beneficial effects that: according to the novel double-floating-ball gas relay device, the traditional top horizontal junction box is designed into the vertical junction box at the side edge of the equipment, so that major hidden dangers such as false alarm of fault signals and tripping of a breaker caused by damp condensation in the junction box are avoided, the safe operation of the equipment is guaranteed, the power failure times and load loss are reduced, and the power supply reliability is improved;
through the improved design of the traditional oil level observation assembly, the prism reflection concave lens is utilized based on the optical refraction principle, the oil level visibility is improved by utilizing the optical principle with the help of the different refractive indexes of air, organic glass and transformer oil, and the problem that whether the interior of a gas relay is completely filled with oil or the oil quantity is insufficient due to the fact that the transformer oil is transparent and colorless is difficult to distinguish is solved;
by coating the surface of the reflecting plate with a fluorescent material, the oil level can be observed conveniently at night or in a dark place.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
fig. 5 is a side view of the oil level viewing assembly of the present invention.
In the figure: 1. a gas relay body; 2. an oil inlet; 3. an oil outlet;
11. an upper cover plate; 12. a junction box; 13. an observation window; 14. a gas release plug; 15. a probe; 16. a rain cover;
121. a binding post; 122. a wiring hole;
131. a concave lens; 132. a seal body; 133. a gland; 134. fastening screws; 135. a reflective plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the novel double-floating-ball gas relay device comprises a gas relay body 1, wherein the left side and the right side below the gas relay body 1 are respectively provided with an oil inlet 2 and an oil outlet 3, the oil inlet 2 and the oil outlet 3 are both communicated with an inner cavity of the gas relay body 1,
an upper cover plate 11 is arranged at the top of the gas relay body 1, two groups of probes 15 and an air release plug 14 are arranged on the upper cover plate 11, and the bottoms of the probes 15 and the air release plug 14 are embedded in the upper cover plate 11 and extend into an inner cavity of the gas relay body 1; the transformer oil is flushed into an inner cavity of the gas relay body 1 through the oil inlet 2;
the left side surface and the right side surface of the gas relay body 1 are respectively provided with a junction box 12, and the two groups of junction boxes 12 are respectively positioned above the pipelines of the oil inlet 2 and the oil outlet 3;
a plurality of wiring terminals 121 are uniformly distributed on the inner bottom surface of the junction box 12, and wiring holes 122 are formed in the front side surface and the rear side surface of the junction box 12;
the front side surface and the rear side surface of the gas relay body 1 are respectively and symmetrically provided with two groups of observation windows 13 from top to bottom, the two groups of observation windows 13 are respectively a light gas observation window and a heavy gas observation window, and the light gas observation window is positioned above the heavy gas observation window;
the inside of observation window 13 all is provided with the oil level and observes the subassembly.
Referring to fig. 5, the oil level observation assembly includes a concave lens 131, a sealing body 132, a pressing cover 133 and a reflection plate 135, wherein the concave lens 131 is pressed into the installation groove inside the observation window 13 through the sealing body 132 and the pressing cover 133 and is fixed on the inner bottom surface of the installation groove through a fastening screw 134;
in this embodiment, a prism (not shown) is further disposed inside the concave lens 131, the prism reflects the concave lens, the visibility of the oil level is improved by using the optical principle and the refractive index of air, organic glass and transformer oil is different, and the red reflecting plate is eye-catching and convenient to observe.
The reflection plate 135 is located at one side of the concave lens 131 and is fixedly mounted at a corresponding position (not shown) inside the observation window 13 by screws.
Referring to fig. 1, the terminals 121 are ten groups, and respectively include two pairs of light gas signals, two pairs of heavy gas signals, two pairs of oil shortage alarm signals, and four pairs of standby signals.
Referring to fig. 1, a rain cover 16 is sleeved on the periphery of the junction box 12, and the upper and lower side surfaces of the rain cover 16 are fixed on the outer surface of the junction box 12 through screws;
rain-proof cover 16 chooses for use transparent rain-proof cover in this embodiment to be convenient for observe the inside wiring condition of terminal box 12, avoids rainwater entering terminal box 12 inside in addition, and snow is difficult for adhering to moreover.
Referring to fig. 1, the wiring holes 122 are designed to be inclined downward by 45 degrees; the spool of being convenient for wiring hole department installation is outside downward sloping 45 degrees angles, avoids outside rainwater to pass through the inside that the spool port got into terminal box 12, makes its inside wiring remain the drying throughout.
Referring to fig. 5, the gland 133 and the sealing body 132 are both annular structures; the gland 133 is made of stainless steel, and the sealing body 132 is made of an insulating sealing gasket, so that leakage of transformer oil is avoided.
Referring to fig. 5, the reflective plate 135 is a red circular plate-shaped structure, and the surface of the reflective plate 135 is coated with a fluorescent material, so that the oil level can be observed at night or in a dark place.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. New-type two ball gas relay device that floats, including the buchholz relay body, the below left and right sides of buchholz relay body is provided with oil inlet and oil-out respectively, and this oil inlet and oil-out all communicate its characterized in that with the inside cavity of buchholz relay body: the gas relay comprises a gas relay body, and is characterized in that an upper cover plate is arranged at the top of the gas relay body, two groups of probes and a gas release plug are arranged on the upper cover plate, and the bottoms of the probes and the gas release plug are embedded in the upper cover plate and extend into an inner cavity of the gas relay body;
the left side surface and the right side surface of the gas relay body are respectively provided with a junction box, and the two groups of junction boxes are respectively positioned above the pipelines of the oil inlet and the oil outlet;
a plurality of wiring terminals are uniformly distributed on the inner bottom surface of the wiring box, and wiring holes are formed in the front side surface and the rear side surface of the wiring box;
the front side surface and the rear side surface of the gas relay body are respectively and symmetrically provided with two groups of observation windows from top to bottom, and the two groups of observation windows are respectively a light gas observation window and a heavy gas observation window;
and oil level observation assemblies are arranged in the observation windows.
2. The novel dual floating ball gas relay device of claim 1, wherein: the oil level observation assembly comprises a concave lens, a sealing body, a gland and a reflecting plate, wherein the concave lens is tightly pressed into an installation groove in the observation window through the sealing body and a holding edge of the gland and is fixed on the inner bottom surface of the installation groove through a fastening screw;
the reflecting plate is positioned on one side of the concave lens and is fixedly arranged at a corresponding position in the observation window through a screw.
3. The novel dual floating ball gas relay device of claim 1, wherein: the binding posts are ten groups and respectively comprise two pairs of light gas signals, two pairs of heavy gas signals, two pairs of oil shortage alarm signals and four pairs of standby signals.
4. The novel dual floating ball gas relay device of claim 1, wherein: the periphery of the junction box is sleeved with a rain cover, and the upper side and the lower side of the rain cover are fixed on the outer surface of the junction box through screws;
the rain cover is a transparent rain cover.
5. The novel dual floating ball gas relay device of claim 1, wherein: the wiring hole is designed to be inclined at an angle of 45 degrees downwards.
6. The novel dual floating ball gas relay device of claim 2, wherein: the gland and the sealing body are both of annular structures;
the gland is made of stainless steel;
the sealing body is an insulating sealing gasket.
7. The novel dual floating ball gas relay device of claim 2, wherein: the reflecting plate is of a red circular plate-shaped structure, and the surface of the reflecting plate is coated with a fluorescent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774232.0U CN216528619U (en) | 2021-11-13 | 2021-11-13 | Double-floating-ball gas relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122774232.0U CN216528619U (en) | 2021-11-13 | 2021-11-13 | Double-floating-ball gas relay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216528619U true CN216528619U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122774232.0U Active CN216528619U (en) | 2021-11-13 | 2021-11-13 | Double-floating-ball gas relay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216528619U (en) |
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2021
- 2021-11-13 CN CN202122774232.0U patent/CN216528619U/en active Active
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