CN217638924U - Disassembly-free calibration device for sulfur hexafluoride gas density relay of circuit breaker - Google Patents
Disassembly-free calibration device for sulfur hexafluoride gas density relay of circuit breaker Download PDFInfo
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- CN217638924U CN217638924U CN202220641341.7U CN202220641341U CN217638924U CN 217638924 U CN217638924 U CN 217638924U CN 202220641341 U CN202220641341 U CN 202220641341U CN 217638924 U CN217638924 U CN 217638924U
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- tear open
- density relay
- check
- disassembly
- sulfur hexafluoride
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Abstract
The utility model relates to a sulfur hexafluoride circuit breaker technical field discloses a circuit breaker sulfur hexafluoride gas density relay exempts from to tear open calibration equipment, including exempting from to tear open calibration module valves, the front end of exempting from to tear open calibration module valves is provided with reserves the interface, exempt from to tear open the right-hand member lower part fixedly connected with calibration interface of calibration module valves, the bottom fixed connection of exempting from to tear open calibration module valves is on the top of bottom plate, the bottom fixedly connected with gas relay installation interface of bottom plate, corrugated metal pipe's right-hand member fixedly connected with proclaims oneself valve switching module. The utility model discloses in, exempt from to tear open check-up module valves and separate the sulfur hexafluoride of body air chamber with density relay, check-up interface through exempting from to tear open check-up module valves carries out the check-up to density relay, and the check-up is accomplished the back, opens exempt from to tear open check-up module valves, and density relay and air chamber UNICOM accomplish density relay's the check-up of exempting from to dismantle.
Description
Technical Field
The utility model relates to a sulfur hexafluoride circuit breaker technical field especially relates to a circuit breaker sulfur hexafluoride gas density relay exempts from to tear open calibration equipment.
Background
The sulfur hexafluoride is a colorless, odorless, nontoxic and noncombustible stable gas which is gaseous at normal temperature and normal pressure, the circuit breaker at the outlet of the generator is a circuit breaker using the sulfur hexafluoride as an arc extinguishing medium and an insulating medium, and a density relay for monitoring the sulfur hexafluoride is directly communicated with the switch air chamber.
The relay needs to be disassembled when the sulfur hexafluoride switch density relay is checked, the requirement is not met, sulfur hexafluoride gas needs to be recovered before checking, after the check is finished and the repacking is finished, the gas chamber of the breaker at the outlet of the generator is vacuumized, the sulfur hexafluoride gas can be filled, the construction period is long, and the working procedures are complicated, so that the sulfur hexafluoride switch density relay needs to be technically improved, and the online checking function of the sulfur hexafluoride gas density relay is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a disassembly-free checking device for a sulfur hexafluoride gas density relay of a circuit breaker.
In order to realize the purpose, the utility model adopts the following technical scheme: the disassembly-free calibration device for the sulfur hexafluoride gas density relay of the circuit breaker comprises a disassembly-free calibration module valve group, wherein a reserved interface is arranged at the front end of the disassembly-free calibration module valve group, a calibration interface is fixedly connected to the lower portion of the right end of the disassembly-free calibration module valve group, the bottom end of the disassembly-free calibration module valve group is fixedly connected to the top end of a bottom plate, a gas relay installation interface is fixedly connected to the bottom end of the bottom plate, the upper portion of the right end of the disassembly-free calibration module valve group is fixedly connected to the left end of a metal corrugated pipe, and a self-sealing valve switching module is fixedly connected to the right end of the metal corrugated pipe.
As a further description of the above technical solution:
the top fixed connection of exempting from to tear open check-up module valves is in the bottom of roof, the roof all is provided with the mounting hole with the top of bottom plate.
As a further description of the above technical solution:
the top of the top plate is connected with an angle iron support through bolt threads, and the rear end of the angle iron support is fixedly connected with a mounting plate.
As a further description of the above technical solution:
and the left end of the disassembly-free check module valve group is provided with a gas circuit turn-off switch.
As a further description of the above technical solution:
the outer diameter of the metal corrugated pipe is about 13.7mm, and the inner diameter of the metal corrugated pipe is 8.2mm.
As a further description of the above technical solution:
the top end of the self-sealing valve switching module is connected to the bottom end of the closed shell through a bolt and a thread.
As a further description of the above technical solution:
and a switch air chamber is arranged at the top end of the self-sealing valve switching module.
The utility model discloses following beneficial effect has: the utility model discloses in, install at the former gas density relay kneck of generator export circuit breaker air chamber and proclaim oneself valve switching module, proclaim oneself valve switching module through four bolt fastening in switch air chamber closed shell and with switch air chamber zonulae occludens, exempt from to tear open four mounting holes that calibration module valves reserved through the roof and install on angle steel support, angle steel support is fixed in on generator export circuit breaker's the mounting panel, exempt from to tear open calibration module valves and proclaim oneself valve switching module and pass through a corrugated metal pipe and connect, set up a gas circuit shutoff switch on exempting from to tear open calibration module valves, can turn off the gas circuit of all connecting devices of air chamber and switch rear side, the right side of exempting from to tear open calibration module valves is the calibration interface, exempt from to tear open calibration module valves below for the gas density relay connector, exempt from to tear open calibration module valves openly and reserve the valves interface for the installation of sensors such as on-line monitoring, it has the function of switching between gas density relay to calibration interface UNICOM and gas density relay to open calibration interface UNICOM at gas density relay, and do not tear open calibration module relays and do not tear open calibration relay and do not to tear open calibration relay and accomplish the calibration relay of calibration module.
Drawings
Fig. 1 is a front view of a disassembly-free calibration device for a sulfur hexafluoride gas density relay of a circuit breaker according to the present invention;
fig. 2 is a front view of the disassembly-free calibration device for the sulfur hexafluoride gas density relay of the circuit breaker provided by the utility model;
fig. 3 is the utility model provides a circuit breaker sulfur hexafluoride gas density relay exempts from to tear open top view of calibration equipment.
Illustration of the drawings:
1. a disassembly-free check module valve group; 2. a gas circuit turn-off switch; 3. reserving an interface; 4. a base plate; 5. a gas relay mounting interface; 6. mounting holes; 7. checking an interface; 8. a metal bellows; 9. a self-sealing valve switching module; 10. opening and closing the air chamber; 11. a closed housing; 12. mounting a plate; 13. an angle iron bracket; 14. a bolt; 15. a top plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a circuit breaker sulfur hexafluoride gas density relay exempts from to tear open calibration equipment, including exempting from to tear open calibration module valves 1, the front end of exempting from to tear open calibration module valves 1 is provided with reservation interface 3, an installation for sensors such as on-line monitoring, exempt from to tear open calibration module valves 1's right-hand member lower part fixedly connected with check-up interface 7, check-up is carried out density relay through exempting from to tear open calibration module valves 1's check-up interface 7, the bottom fixed connection of exempting from to tear open calibration module valves 1 is on the top of bottom plate 4, the bottom fixed connection of bottom plate 4 has gas relay installation interface 5, exempt from to tear open calibration module valves 1 has the function of switching over between gas density relay to switch air chamber 10 UNICOM with gas density relay UNICOM, exempt from to tear open calibration module valves 1 and separate the sulfur hexafluoride gas density relay of body air chamber with the left end of metal bellows 8, metal bellows 8 is the metal material entirely, the right-hand member fixedly connected with valve switching module 9 of proclaiming oneself, with switch air chamber 10 zonulae occludens, when the valve of density relay closes, the valve group of exempting from to tear open calibration module valves, check-up calibration module valves accomplishes check-up calibration relay and check-up calibration module relays UNICOM after the density relay, check-up calibration module valves of exempting from to tear open calibration module valves 1, check-up calibration module valves.
The top end of the disassembly-free check module valve group 1 is fixedly connected to the bottom end of the top plate 15, mounting holes 6 are formed in the top ends of the top plate 15 and the bottom plate 4, an angle steel support 13 is connected to the top end of the top plate 15 through bolts 14 in a threaded mode, a mounting plate 12 is fixedly connected to the rear end of the angle steel support 13, the disassembly-free check module valve group 1 is mounted on the angle steel support 13 through the four mounting holes 6 reserved in the top plate 15, the angle steel support 13 is fixed to the mounting plate 12 of a generator outlet circuit breaker, a gas circuit turn-off switch 2 is arranged at the left end of the disassembly-free check module valve group 1, the outer diameter of a metal corrugated pipe is about 13.7mm, the inner diameter of the metal corrugated pipe is 8.2mm, the top end of the self-sealing valve switching module 9 is connected to the bottom end of the closed shell 11 through bolts 14 in a threaded mode, a switch air chamber 10 is arranged at the top end of the self-sealing valve switching module 9, when a valve at the position of the density relay is closed, the disassembly-free check module valve group 1 separates gas from a body air chamber from the density relay, the check interface 7 of the disassembly-free check module valve group 1 is used for checking module group for checking, the density relay, the disassembly-free check module group 1 is opened, the density relay is communicated with the air chamber, and the density relay.
The working principle is as follows: a self-sealing valve switching module 9 is arranged at the original gas density relay interface of the generator outlet breaker air chamber, the self-sealing valve switching module 9 is fixed on a closed shell 11 through four bolts 14 and is tightly connected with a switch air chamber 10, a disassembly-free check module valve group 1 is arranged on an angle steel bracket 13 through four mounting holes 6 reserved on a top plate 15, the angle steel bracket 13 is fixed on a mounting plate 12 of the generator outlet breaker, the disassembly-free check module valve group 1 and the self-sealing valve switching module 9 are connected through a metal corrugated pipe 8, a gas path shutoff switch 2 is arranged on the disassembly-free check module valve group 1 and can shut off the gas paths of all connecting devices at the rear sides of the air chamber and the switch, the right side of the disassembly-free check module valve group 1 is provided with a check interface 7, and the gas relay connector 5 is arranged below the disassembly-free check module valve group 1, exempt from to tear open check-up module valves 1 openly for reserving interface 3, an installation for sensors such as on-line monitoring, exempt from to tear open check-up module valves 1 simultaneously has the function of switching over between gas density relay to check-up interface 7 UNICOM and gas density relay to switch air chamber 10 UNICOM, and check-up interface 7 possesses the function of proclaiming oneself, when the valve of density relay position is closed, exempt from to tear open check-up module valves 1 and separate the sulfur hexafluoride gas and the density relay of body air chamber, check-up interface 7 through exempting from to tear open check-up module valves 1 checks up density relay, after the check-up is accomplished, open and exempt from to tear open check-up module valves 1, density relay and air chamber UNICOM, accomplish the exempt from of density relay and dismantle the check-up, it is very convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a circuit breaker sulfur hexafluoride gas density relay exempts from to tear open calibration equipment, includes exempts from to tear open calibration module valves (1), its characterized in that: exempt from to tear open the front end of check module valves (1) and be provided with reserved interface (3), exempt from to tear open the right-hand member lower part fixedly connected with check-up interface (7) of check module valves (1), the bottom fixed connection who exempts from to tear open check module valves (1) is on the top of bottom plate (4), the bottom fixedly connected with gas relay installation interface (5) of bottom plate (4), the left end of the right-hand member upper portion fixed connection of exempting from to tear open check module valves (1) at corrugated metal pipe (8), the right-hand member fixedly connected with of corrugated metal pipe (8) is from sealing valve switching module (9).
2. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker according to claim 1, wherein: the top end of the disassembly-free check module valve group (1) is fixedly connected to the bottom end of the top plate (15), and mounting holes (6) are formed in the top ends of the top plate (15) and the bottom plate (4).
3. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker as claimed in claim 2, wherein: the top end of the top plate (15) is connected with an angle iron bracket (13) through a bolt (14) in a threaded mode, and the rear end of the angle iron bracket (13) is fixedly connected with a mounting plate (12).
4. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker according to claim 1, wherein: and the left end of the disassembly-free check module valve group (1) is provided with an air passage turn-off switch (2).
5. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker as claimed in claim 1, wherein: the outer diameter of the metal corrugated pipe is about 13.7mm, and the inner diameter of the metal corrugated pipe is 8.2mm.
6. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker as claimed in claim 1, wherein: the top end of the self-sealing valve switching module (9) is connected to the bottom end of the closed shell (11) through a bolt (14) in a threaded mode.
7. The disassembly-free checking device for the sulfur hexafluoride gas density relay of the circuit breaker according to claim 1, wherein: and a switch air chamber (10) is arranged at the top end of the self-sealing valve switching module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220641341.7U CN217638924U (en) | 2022-03-23 | 2022-03-23 | Disassembly-free calibration device for sulfur hexafluoride gas density relay of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220641341.7U CN217638924U (en) | 2022-03-23 | 2022-03-23 | Disassembly-free calibration device for sulfur hexafluoride gas density relay of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217638924U true CN217638924U (en) | 2022-10-21 |
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ID=83645672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220641341.7U Active CN217638924U (en) | 2022-03-23 | 2022-03-23 | Disassembly-free calibration device for sulfur hexafluoride gas density relay of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217638924U (en) |
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2022
- 2022-03-23 CN CN202220641341.7U patent/CN217638924U/en active Active
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