CN218826834U

CN218826834U - Gas relay

Info

Publication number: CN218826834U
Application number: CN202223322743.XU
Authority: CN
Inventors: 胡经演
Original assignee: Zhejiang Meiji Intelligent Electric Co ltd
Current assignee: Zhejiang Meiji Intelligent Electric Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-07
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a gas relay, include the casing and install in the upper end cover at casing top, the inside of casing is equipped with the main cavity room, and the top of upper end cover is equipped with a monitoring section of thick bamboo, and upper end cover and main cavity room intercommunication are passed to the bottom of a monitoring section of thick bamboo, and the inner wall fixedly connected with stop sleeve of a monitoring section of thick bamboo, stop sleeve's inside activity is pegged graft and is had the polished rod, the top fixedly connected with of polished rod and a monitoring section of thick bamboo sliding connection's kickboard, the lateral wall of a monitoring section of thick bamboo is equipped with the scale mark, the utility model discloses a kickboard and a monitoring section of thick bamboo that set up make when the slight trouble of transformer inside makes oil decompose and produce minute gas, and gas can accumulate in a monitoring section of thick bamboo, and the cross-sectional area of a monitoring section of thick bamboo is less, consequently only needs minute gas just can make the kickboard take place motion by a relatively large margin, and the staff just can know the slight trouble that the transformer takes place before gaseous volume reaches preset value triggers warning or tripping signal through observing the kickboard in time.

Description

Gas relay

Technical Field

The utility model relates to a relay technical field specifically is a gas relay.

Background

The gas relay is a protection device for oil-immersed transformer, and is installed in the pipeline between the oil storage cabinet and oil tank of oil-immersed transformer, when the oil is decomposed to produce gas or the oil flow is surged by the internal fault of oil-immersed transformer, the contact of gas relay is operated to connect the appointed control loop, and alarm or trip signal is sent out.

When the contact of current gas relay moves, gaseous volume need reach preset value and can trigger, and early slight trouble generally only produces minute quantity gas, can't trigger, and gas relay can not show slight trouble, leads to the staff can't in time discover slight trouble, carries out prevention before the trouble aggravates and handles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas relay to it can not show slight trouble to propose current gas relay in solving above-mentioned background art, leads to the problem that the staff can't in time discover slight trouble.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas relay, includes the casing and installs in the upper end cover at casing top, the inside of casing is equipped with the main cavity room, the top of upper end cover is equipped with a monitoring section of thick bamboo, the bottom of a monitoring section of thick bamboo is passed upper end cover and main cavity room intercommunication, the inner wall fixedly connected with stop sleeve of a monitoring section of thick bamboo, stop sleeve's inside activity is pegged graft and is had the polished rod, the top fixedly connected with of polished rod and a monitoring section of thick bamboo sliding connection's kickboard, the lateral wall of a monitoring section of thick bamboo is equipped with the scale mark.

As a preferred scheme of the utility model, be equipped with the window on the casing, a window and a monitoring section of thick bamboo are transparent material and make, the outside of casing articulates there is the dust guard, be equipped with the buckle on the dust guard.

As an optimized scheme of the utility model, the top of upper end cover is equipped with bleed valve and wiring end, the left and right sides of upper end cover articulates there are left shroud and right shroud, be equipped with the screw on the right shroud.

As an optimized scheme of the utility model, the left end of casing is equipped with the inlet, the right-hand member of inlet is equipped with the liquid outlet, the inlet passes through main cavity and liquid outlet intercommunication.

As an optimized scheme of the utility model, the bottom fixedly connected with support of upper end cover, the support is located the inside of main cavity room, it is connected with branch to rotate on the support, go up the float of the one end fixedly connected with of branch, go up the movable contact of the bottom fixedly connected with of float, the right side fixed mounting of support have with last movable contact complex go up stationary contact.

As an optimized scheme of the utility model, it is connected with lower branch to rotate on the support, float under the one end fixedly connected with of lower branch, movable contact under the bottom fixedly connected with of float down, movable contact complex lower stationary contact is installed on the right side of support down, the one end fixedly connected with baffle of float is kept away from down to lower branch.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a kickboard and the monitoring section of thick bamboo that sets up make when the inside slight trouble of transformer and make the oil decomposition produce when minute quantity is gaseous, gas can accumulate in a monitoring section of thick bamboo, and the cross-sectional area of a monitoring section of thick bamboo is less, consequently only need the gas of minute quantity just can make the kickboard take place motion by a relatively large margin, the staff is through observing the position of kickboard, just can reach before preset value triggers warning or tripping signal at gas volume, in time know the slight trouble that the transformer takes place, aggravate the advance preventive treatment at the trouble, polished rod and the stop sleeve through setting up are used for preventing that the kickboard from taking place to topple in a monitoring section of thick bamboo, lead to the kickboard card inside a monitoring section of thick bamboo, make the kickboard more stable when the motion.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a schematic perspective view of the left and right covers of the present invention after being opened.

In the figure: 1. a housing; 2. a liquid inlet; 3. an upper end cover; 4. a left cover cap; 5. a right cover; 6. a window; 7. a dust-proof plate; 8. a terminal; 9. a liquid outlet; 10. a deflation valve; 11. a baffle plate; 12. an upper float; 13. an upper support rod; 14. an upper movable contact; 15. an upper stationary contact; 16. a lower float; 17. a lower moving contact; 18. a lower support rod; 19. a lower stationary contact; 20. a polish rod; 21. a support; 22. a floating plate; 23. a monitoring cylinder; 24. a limiting sleeve; 25. scale marks; 26. a main chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a gas relay, including casing 1 and install in the upper end cover 3 at casing 1 top, the inside of casing 1 is equipped with main cavity 26, the top of upper end cover 3 is equipped with monitoring section of thick bamboo 23, upper end cover 3 and main cavity 26 intercommunication are passed to monitoring section of thick bamboo 23's bottom, the inner wall fixedly connected with limit sleeve 24 of monitoring section of thick bamboo 23, limit sleeve 24's inside activity is pegged graft and is had polished rod 20, be used for preventing that floating plate 22 from toppling over in monitoring section of thick bamboo 23 through polished rod 20 and limit sleeve 24, lead to floating plate 22 card inside monitoring section of thick bamboo 23, make floating plate 22 more stable when moving, the top fixedly connected with of polished rod 20 and the floating plate 22 of monitoring section of thick bamboo 23 sliding connection, when the slight trouble in the transformer makes oil decompose and produce minute quantity of gas, gaseous entering behind main cavity 26, gather in monitoring section of thick bamboo 23, make floating plate 22 descend, because monitoring section of thick bamboo 23's cross-sectional area is less, consequently, only need minute quantity of gas just can make floating plate 22 take place great movement, the position of floating plate 22 through observing, just can trigger the setting value in advance before the gas volume reaches the warning signal, the potential trouble is handled before, the lateral wall 25 that the trouble takes place, the monitoring section of thick bamboo is equipped with the monitoring section of thick bamboo before, the monitoring section of thick bamboo.

Wherein, be equipped with window 6 on the casing 1, window 6 and monitoring section of thick bamboo 23 are transparent material and make, and the outside of casing 1 articulates there is dust guard 7, and dust guard 7 is used for sheltering from window 6, avoids the dust to fall on window 6, influences operating personnel and observes, is equipped with the buckle on the dust guard 7, and the buckle is used for fixed dust guard 7.

Wherein, the top of upper end cover 3 is equipped with bleed valve 10 and wiring end 8, and the left and right sides of upper end cover 3 articulates there are left shroud 4 and right shroud 5, is equipped with the screw on the right shroud 5, and left shroud 4 is used for protecting monitoring section of thick bamboo 23 and bleed valve 10, and right shroud 5 is used for protecting wiring end 8, and the screw is used for fixed left shroud 4 and right shroud 5.

Wherein, the left end of the shell 1 is provided with a liquid inlet 2, the right end of the liquid inlet 2 is provided with a liquid outlet 9, and the liquid inlet 2 is communicated with the liquid outlet 9 through a main cavity 26.

The bottom of the upper end cover 3 is fixedly connected with a support 21, the support 21 is located inside a main cavity 26, the support 21 is rotatably connected with an upper support rod 13, one end of the upper support rod 13 is fixedly connected with an upper floater 12, the bottom of the upper floater 12 is fixedly connected with an upper movable contact 14, an upper fixed contact 15 matched with the upper movable contact 14 is fixedly installed on the right side of the support 21, when a fault occurs inside the transformer to generate gas, the gas enters the main cavity 26 through a liquid inlet 2, so that the oil level in the main cavity 26 descends, the upper floater 12 descends gradually along with the oil level, and when the fault descends to a certain degree, the upper movable contact 14 contacts the upper fixed contact 15 to send out a warning signal.

Wherein, the bracket 21 is connected with a lower supporting rod 18 in a rotating way, one end of the lower supporting rod 18 is fixedly connected with a lower floater 16, the bottom of the lower floater 16 is fixedly connected with a lower moving contact 17, the right side of the bracket 21 is provided with a lower fixed contact 19 matched with the lower moving contact 17, one end of the lower supporting rod 18 far away from the lower floater 16 is fixedly connected with a baffle 11, when a serious fault occurs in the transformer to generate a large amount of gas, the gas quickly rushes through a main chamber 26 to push the baffle 11 to move, the baffle 11 enables the lower supporting rod 18 to rotate, the lower supporting rod 18 enables the lower floater 16 to move, the lower floater 16 drives the lower moving contact 17 to move, the lower moving contact 17 is enabled to contact the lower fixed contact 19, and a tripping signal is sent out to protect the transformer.

Specifically, when a slight fault occurs in the transformer and the oil is decomposed to generate a small amount of gas, the gas enters the main chamber 26 through the liquid inlet 2 and is gathered in the monitoring cylinder 23 to lower the floating plate 22, and only a small amount of gas is needed to enable the floating plate 22 to move to a large extent due to the small cross-sectional area of the monitoring cylinder 23, so that a worker can find out the potential fault of the transformer in time by observing the position of the floating plate 22 before the gas volume reaches a preset value to trigger an alarm or trip signal, and perform preventive treatment before the fault is aggravated, if the worker does not find out the fault in time and the gas volume generated by the fault in the transformer reaches a certain degree, the gas enables the oil level in the main chamber 26 to fall, the upper float 12 gradually descends along with the oil level, the upper float 12 enables the upper movable contact 14 to move, the upper movable contact 14 contacts the upper fixed contact 15 to send out an alarm signal, when the fault generated in the transformer generates a large amount of gas, the gas rapidly rushes over the main chamber 26 to push the baffle 11 to move, the baffle 11 enables the lower support rod 18 to rotate, the lower support rod 18 enables the lower movable contact 16 to move, the lower float 16 to drive the lower contact 17 to send out a trip signal.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas relay, includes casing (1) and installs in upper end cover (3) at casing (1) top, its characterized in that: the inside of casing (1) is equipped with main cavity room (26), the top of upper end cover (3) is equipped with a monitoring section of thick bamboo (23), the bottom of a monitoring section of thick bamboo (23) is passed upper end cover (3) and main cavity room (26) intercommunication, the inner wall fixedly connected with stop sleeve (24) of a monitoring section of thick bamboo (23), the inside activity of stop sleeve (24) is pegged graft and is had polished rod (20), the top fixedly connected with of polished rod (20) and a monitoring section of thick bamboo (23) sliding connection's kickboard (22), the lateral wall of a monitoring section of thick bamboo (23) is equipped with scale mark (25).

2. A gas relay according to claim 1, characterized in that: be equipped with window (6) on casing (1), window (6) and monitoring section of thick bamboo (23) are transparent material and make, the outside of casing (1) articulates there is dust guard (7), be equipped with the buckle on dust guard (7).

3. A gas relay according to claim 1, characterized in that: the top of upper end cover (3) is equipped with bleed valve (10) and wiring end (8), the left and right sides of upper end cover (3) articulates there are left shroud (4) and right shroud (5), be equipped with the screw on right shroud (5).

4. A gas relay according to claim 1, characterized in that: the left end of casing (1) is equipped with inlet (2), the right-hand member of inlet (2) is equipped with liquid outlet (9), inlet (2) are through main cavity (26) and liquid outlet (9) intercommunication.

5. The gas relay according to claim 1, characterized in that: the bottom fixedly connected with support (21) of upper end cover (3), support (21) are located the inside of main cavity (26), it has upper strut (13) to rotate on support (21), the one end fixedly connected with of upper strut (13) goes up float (12), the bottom fixedly connected with of going up float (12) goes up movable contact (14), the right side fixed mounting of support (21) has last stationary contact (15) with last movable contact (14) complex.

6. A gas relay according to claim 5, characterized in that: the movable contact type switch is characterized in that a lower support rod (18) is rotatably connected to the support (21), a lower floater (16) is fixedly connected to one end of the lower support rod (18), a lower movable contact (17) is fixedly connected to the bottom of the lower floater (16), a lower fixed contact (19) matched with the lower movable contact (17) is installed on the right side of the support (21), and a baffle (11) is fixedly connected to one end, far away from the lower floater (16), of the lower support rod (18).