CN216902672U - Novel double-floater gas relay - Google Patents
Novel double-floater gas relay Download PDFInfo
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- CN216902672U CN216902672U CN202122723575.4U CN202122723575U CN216902672U CN 216902672 U CN216902672 U CN 216902672U CN 202122723575 U CN202122723575 U CN 202122723575U CN 216902672 U CN216902672 U CN 216902672U
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Abstract
The utility model discloses a novel double-float gas relay, which comprises a main body bracket: the main body support is provided with an upper seat, the main body support is respectively provided with a first floater unit and a second floater unit which are independently distributed and interchangeable, and the main body support is provided with an elastic unit which is in suction linkage with the first floater unit and the second floater unit. According to the gas relay, the first floater unit and the second floater unit which can be interchanged are adopted, so that when a fault is generated in the transformer to cause gas generated by decomposition of the insulating liquid L or cause oil flow surging, or the liquid level in the gas relay is continuously reduced due to leakage of the transformer or accumulation of a large amount of unknown gas, an alarm or trip instruction can be timely and accurately sent out, the safe operation of the transformer is protected, the phenomenon of floater leakage is avoided, the stability can be kept under the disturbance of the oil flow, and the gas relay has high reliability.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a novel double-float gas relay.
Background
The double-float type gas relay is a safety protector for oil immersed transformer and is installed on the connecting pipe between oil tank cover and oil conservator of transformer. When a fault is generated in the transformer to cause gas generated by decomposition of the insulating liquid L or cause oil flow surging, the contact of the gas relay acts to connect a specified loop, so that an electric signal is sent out in time or power equipment is cut off automatically; when the liquid level in the gas relay continuously drops due to leakage or accumulation of a large amount of unknown gas of the transformer, the lower float moves the movable contact to act, an alarm or trip instruction is sent out in time, and the safe operation of the transformer is further protected.
Chinese patent publication No.: CN204315458U discloses "multi-functional double float gas relay", including the casing, be provided with binding post and air bleed on the casing, casing lower extreme and vertical support upper end fixed connection, its structural feature is vertical support upper portion is provided with horizontal axostylus axostyle, the upper pin shaft respectively with last pendulum rod middle part, go up pendulum frame middle part fixed connection, go up the pendulum rod front end and be provided with the upper float, go up the pendulum frame rear end and be provided with the magnet steel, be provided with the tongue tube on the support corresponding to the summit of last magnet steel movement track.
Compared with the traditional relay, the core frame structure of the double-float type gas relay on the market is very complex, so that the material cost is increased, and the production efficiency is reduced; the floater adopts a spherical hollow structure, leakage is easy to occur to cause malfunction of the relay, and the floater with the spherical structure is easy to vibrate under disturbance of oil flow, so that the stability is poor; the lower shell is larger in size due to the fact that the core frame is complex in structure, so that the lower shell needs to be redesigned and a mold needs to be developed for manufacturing, and material cost is further wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel double-float gas relay which is simple in structure, avoids float leakage, can keep stability under oil flow disturbance and is high in reliability.
In order to achieve the above purpose, the utility model provides the following technical scheme: a novel double-float gas relay comprises a main body bracket:
an upper seat is arranged on the main body bracket;
the main body bracket is respectively provided with a first floater unit and a second floater unit which are independently distributed and can be exchanged;
and the main body bracket is provided with an elastic unit which is in suction linkage with the first floater unit and the second floater unit.
As a further description of the above technical solution:
the first floater unit comprises an upper floater support arranged on the main body support, and the upper floater support is connected with an upper floater through a floater shaft.
As a further description of the above technical solution:
the second floater unit comprises a lower floater support arranged on the main body support, and the lower floater support is connected with the lower floater through a floater shaft.
As a further description of the above technical solution:
and magnetic steels are arranged on the upper floater support and the lower floater support.
As a further description of the above technical solution:
the main body support is provided with a heavy hammer.
As a further description of the above technical solution:
the elastic unit is a reed switch, and the reed switch is fixed on the side wall of the main body support through a clamping piece and is positioned between the upper floater and the lower floater.
As a further description of the above technical solution:
a heavy gas support is arranged on the main body support and between the upper floater and the lower floater, and a flow stabilizing baffle is arranged on the heavy gas support.
As a further description of the above technical solution:
the flow stabilizing baffle is of a half U-shaped structure, and the part, which is parallel to the upper floater and the lower floater, on the flow stabilizing baffle is of a hollow structure.
In the technical scheme, the novel double-floater gas relay provided by the utility model has the following beneficial effects:
the gas relay adopts the first floater unit and the second floater unit which can be interchanged, so that when a fault is generated inside the transformer and gas generated by decomposition of an insulating liquid L or oil flow surging is caused, or when a large amount of unidentified gas is leaked or gathered to cause continuous reduction of the liquid level in the gas relay, an alarm or trip instruction is timely and accurately sent out, the safe operation of the transformer is protected, the phenomenon of floater leakage is avoided, the gas relay can be kept stable under disturbance of the oil flow, and the gas relay has strong reliability.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a main view of a novel double-float gas relay provided in an embodiment of the present invention;
fig. 2 is a schematic side view of a novel dual-float gas relay according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a novel double-float gas relay according to an embodiment of the present invention.
Description of reference numerals:
1. an upper seat; 2. a weight; 3. a main body support; 4. a reed switch; 5. a lower float support; 6. an upper float; 7. a lower float; 8. magnetic steel; 9. a flow stabilizing baffle; 10. a heavy gas support; 11. an upper float support.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, a novel dual-float gas relay includes a main body bracket 3:
the main body bracket 3 is provided with an upper seat 1;
the main body bracket 3 is respectively provided with a first floater unit and a second floater unit which are independently distributed and can be exchanged;
an elastic unit which is in suction linkage with the first floater unit and the second floater unit is arranged on the main body bracket 3.
In the embodiment, the first floater unit and the second floater unit which can be interchanged can timely and accurately send out an alarm or trip instruction when the transformer generates a fault inside to cause gas generated by decomposition of the insulating liquid or cause oil flow surging or when the transformer leaks or gathers a large amount of unknown gas to cause continuous drop of the liquid level in the gas relay, thereby protecting the safe operation of the transformer, avoiding the phenomenon of floater leakage, keeping stability under the disturbance of oil flow, and having stronger reliability
The first floater unit comprises an upper floater support 11 arranged on the main body support 3, the upper floater support 11 is connected with an upper floater 6 through a floater shaft, a magnetic steel 8 is arranged on the upper floater support 11, the upper floater 6 and the magnetic steel 8 are connected in a riveting mode, and the riveting is realized through a boss on the end face of the floater shaft.
The second floater unit comprises a lower floater support 5 arranged on the main body support 3, the lower floater support 5 is connected with a lower floater 7 through a floater shaft, magnetic steel 8 is arranged on the lower floater support 5, the lower floater 7 and the magnetic steel 8 are connected in a riveting mode, and the riveting is realized through a boss on the end face of the floater shaft.
The main body support 3 is provided with a weight 2, and the support rotating arm of the weight 2 can be adjusted through a nut.
The elastic unit is a reed switch 4, and the reed switch 4 is fixed on the side wall of the main body bracket 3 through a clamping piece and is positioned between the upper floater 6 and the lower floater 7.
The heavy gas support 10 is arranged on the main body support 3 and between the upper floater 6 and the lower floater 7, the heavy gas support 10 is provided with a steady flow baffle 9, the steady flow baffle 9 is of a half-U-shaped structure, the part, parallel to the upper floater 6 and the lower floater 7, on the steady flow baffle 9 is of a hollow structure, the lower floater 7 falls down to enable the reed pipe 4 to be attracted, and then the heavy gas support can be limited at a fixed position by a limiting stop rod (not shown in the figure), and the limiting stop rod simultaneously plays a limiting role on the heavy gas flow velocity plate.
The double-float gas relay is arranged on a connecting pipe of a transformer oil tank cover and an oil conservator, when the inside of a transformer is in failure and insulating liquid is decomposed to generate gas, the gas is collected in the relay to force the oil surface in a cavity of the relay to descend, at the moment, the upper float 6 begins to descend along with the oil surface under the combined action of self gravity and oil buoyancy, and when the upper float descends to a fixed position, the magnet enables the reed switch 4 to be attracted, so that an alarm signal is sent;
when the transformer leaks or gathers a large amount of unidentified gas to cause the liquid level in the gas relay to continuously descend, the oil level descends to the highest position where the lower floater 7 is limited by the flow stabilizing baffle 9, the lower floater 7 descends along with the oil level at the moment, when the lower floater descends to a fixed position, the magnetic steel 8 arranged on the lower floater bracket 5 enables the lower reed pipe 4 to be attracted, so that an oil shortage alarm or oil shortage tripping signal is sent, after the lower reed pipe 4 is attracted, the lower floater 7 is limited by the limiting bolt arranged at the bottom, and the signal is ensured to be continuously sent.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. The utility model provides a novel two float gas relay, includes main part support (3), its characterized in that:
the main body bracket (3) is provided with an upper seat (1);
the main body bracket (3) is respectively provided with a first floater unit and a second floater unit which are independently distributed and can be exchanged;
and the main body support (3) is provided with an elastic unit which is in suction linkage with the first floater unit and the second floater unit.
2. The novel dual-float gas relay as claimed in claim 1, wherein: the first floater unit comprises an upper floater support (11) arranged on the main body support (3), and the upper floater support (11) is connected with the upper floater (6) through a floater shaft.
3. The novel dual-float gas relay as claimed in claim 1, wherein: the second floater unit comprises a lower floater support (5) arranged on the main body support (3), and the lower floater support (5) is connected with a lower floater (7) through a floater shaft.
4. The novel dual-float gas relay as claimed in claim 2, wherein: and magnetic steels (8) are arranged on the upper floater bracket (11) and the lower floater bracket (5).
5. The novel dual-float gas relay as claimed in claim 1, wherein: the main body support (3) is provided with a heavy hammer (2).
6. The novel dual-float gas relay as claimed in claim 1, wherein: the elastic unit is a reed switch (4), and the reed switch (4) is fixed on the side wall of the main body support (3) through a clamping piece and is positioned between the upper floater (6) and the lower floater (7).
7. The novel dual-float gas relay as claimed in claim 1, wherein: a heavy gas support (10) is arranged on the main body support (3) and between the upper floater (6) and the lower floater (7), and a steady flow baffle (9) is arranged on the heavy gas support (10).
8. The novel dual-float gas relay as claimed in claim 7, wherein: the flow stabilizing baffle (9) is of a half U-shaped structure, and the parts, which are parallel to the upper floater (6) and the lower floater (7), on the flow stabilizing baffle (9) are of hollow structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723575.4U CN216902672U (en) | 2021-11-09 | 2021-11-09 | Novel double-floater gas relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723575.4U CN216902672U (en) | 2021-11-09 | 2021-11-09 | Novel double-floater gas relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216902672U true CN216902672U (en) | 2022-07-05 |
Family
ID=82200144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122723575.4U Active CN216902672U (en) | 2021-11-09 | 2021-11-09 | Novel double-floater gas relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216902672U (en) |
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2021
- 2021-11-09 CN CN202122723575.4U patent/CN216902672U/en active Active
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