Novel exhaust equipment for light gas relay of transformer

Abstract

The utility model relates to the field of transformer maintenance equipment, and provides novel exhaust equipment for a transformer light gas relay, which comprises a relay main body, a connecting pipe is fixed in the middle of the top surface of the relay main body, the connecting pipe is communicated with the inner side of the relay main body, and a plugging pipe is fixed in the middle of the top surface of the inner side of the relay main body. An air guide cylinder is movably inserted into the inner side of the connecting pipe, the air guide cylinder penetrates through the connecting pipe and the plugging pipe, air inlet holes are symmetrically formed in the outer wall of the lower end of the air guide cylinder, and the air inlet holes are located in the inner side of the plugging pipe. According to the utility model, the gas concentration sensor is used for detecting the gas concentration in the relay main body, and when the gas concentration is too high, the electric push rod is used for driving the gas guide cylinder to move, so that the gas inlet hole is exposed, the gas is discharged, and the discharged gas is collected through the gas storage tank; manual operation of workers is not needed in the exhaust process, and efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer maintenance equipment field, concretely is a new type is used to transformer light gas relay's exhaust equipment. BACKGROUND

[0002] Gas relay (also called gas relay) is a kind of protective device used for transformer, is installed in the pipeline between the oil conservator and oil tank of transformer, when the internal fault of transformer tank occurs, the electric arc produced by short-circuit current makes transformer oil and other insulating materials decompose, thereby generating a large amount of combustible gas, people call this combustible gas collectively as gas gas. Among them, light gas mainly reflects the gas decomposed by oil when transformer appears slight fault and rises into gas relay, the air pressure makes the oil surface drop, the open cup of relay falls with the oil surface, light gas reed switch contact is connected to send signal alarm, informs staff that it needs to be discharged.

[0003] The gas discharge work of traditional gas relay needs to be manually performed, when gas appears in transformer or fault occurs, it is necessary to send people to the scene to discharge gas, sometimes it is necessary to climb the running transformer under live wire, often cannot discharge gas in time, seriously affects the safe operation of transformer, if in the bad weather such as thunderstorm, gale and remote and remote substation, power plant and other sites, climbing live working is more dangerous.

[0004] Therefore, a new type of exhaust equipment for transformer light gas relay is needed, which can realize automatic exhaust operation according to the concentration of gas gas in the gas relay, without manual discharge by staff, improve work efficiency and ensure the safety of transformer. UTILITY MODEL CONTENT

[0005] In order to solve the above problems, the utility model provides a new type of exhaust equipment for transformer light gas relay, which can automatically exhaust and collect gas, and provides guarantee for the safe operation of transformer.

[0006] To achieve the above purpose, the utility model provides the following specific solutions:

[0007] The utility model provides a new exhaust equipment for transformer light gas relay, including relay main part, the middle part of relay main part top surface is fixed with the connecting pipe, the inside of relay main part is through with the connecting pipe, the middle part of inside top surface of relay main part is fixed with the block pipe, the inside movable plug of connecting pipe is inserted with the air guide cylinder, the air guide cylinder is through the connecting pipe, the air guide cylinder is through the block pipe, the outer wall of air guide cylinder lower extreme is equipped with the air inlet hole, the air inlet hole is located the inside of block pipe, the outer wall of air guide cylinder lower extreme is fixed with the support ring of sleeve joint, the support ring is located the below of block pipe, the outer wall of support ring is fixed with the support plate, the inside top surface of relay main part is fixed with electric push rod, electric push rod is located the one side of block pipe, the lower end of electric push rod is fixedly connected with support plate, the outer wall of electric push rod upper end is fixed with the first wire, one end of first wire is fixed with gas concentration sensor, and the top surface of gas concentration sensor is fixed on the inside top surface of relay main part, the middle part of top surface of gas concentration sensor is fixed with the second wire, the top surface side of relay main part is equipped with the wire hole, and the second wire is located the inside of wire hole, the top surface side of relay main part is fixed with the controller, and the top end of second wire is fixed on the bottom surface of controller, the outside movable sleeve joint of air guide cylinder upper end is inserted with the gas storage tank, the middle part of gas storage tank bottom surface is fixed with the plug-in pipe, the inside through of plug-in pipe with gas storage tank, the air guide cylinder is through the plug-in pipe, the outer wall of air guide cylinder upper end is equipped with the air outlet hole, and the air outlet hole is located the inside of gas storage tank.

[0008] As a new type of exhaust equipment for transformer light gas relay of the utility model, the top surface middle part of the gas storage tank is fixed with a fixed ring, the inside of the fixed ring is fixedly inserted with a remote gas monitoring alarm, and the lower end of the remote gas monitoring alarm is located inside the gas storage tank.

[0009] As a new type of exhaust equipment for transformer light gas relay of the utility model, the outer wall of the upper end of the connecting pipe is fixed with a connecting plate, the top surface side of the connecting plate is provided with a connecting hole, the connecting hole is movably inserted with a screw rod, the lower end of the screw rod is fixed with a nut, the outer wall of the lower end of the plug-in pipe is fixed with a fixed plate, the top surface side of the fixed plate is provided with a threaded hole, and the upper end of the screw rod is screwed in the inside of the threaded hole.

[0010] As a new type of exhaust equipment for transformer light gas relay of the utility model, the outer wall of the lower end of the plug-in pipe is fixed with a connecting belt, one end of the connecting belt is fixed with a sealing plug, and the sealing plug is located on one side of the connecting pipe.

[0011] As a new type of exhaust equipment for transformer light gas relay of the utility model, the top end of the connecting pipe is fixed with a first sealing ring, and the first sealing ring is closely attached to the plug-in pipe.

[0012] As a novel exhaust equipment for the light gas relay of the transformer of the utility model, the second sealing ring is fixed to the lower end of the plugging pipe, and the second sealing ring is tightly attached to the supporting ring.

[0013] As a novel exhaust equipment for the light gas relay of the transformer of the utility model, the sealing plug is adapted to the size of the plug-in pipe, and the connecting belt is made of elastic material.

[0014] As a novel exhaust equipment for the light gas relay of the transformer of the utility model, the first sealing ring, the second sealing ring and the sealing plug are all made of flexible material.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] Under normal circumstances, the air inlet hole at the lower end of the air guide cylinder is blocked by the plugging pipe inside the relay main body, so that the gas in the gas storage tank flows back to the inside of the relay main body. When the gas concentration sensor detects that the gas concentration is too high, data is transmitted to the controller, the controller controls the electric push rod to push the supporting plate outside the supporting ring to move downward, thereby driving the air guide cylinder to move downward, so that the air inlet hole moves out of the inside of the plugging pipe, the gas enters the air guide cylinder through the air inlet hole, and then flows into the inside of the gas storage tank through the air outlet hole at the upper end of the air guide cylinder. When the gas discharge is completed, the electric push rod drives the supporting plate to move upward, so that the air outlet hole is blocked by the plugging pipe again. The present application can realize automatic exhaust operation through the prior setting of the controller, without the need for staff to go to the scene to manually exhaust, saving time and ensuring the safety of the transformer.

[0017] The utility model discloses a gas storage tank is set up to store gas, so that the gas will not be discharged to the outside to cause other hidden troubles, the connecting pipe outside the top surface of the relay main body is fixed with the connecting plate, the connecting hole inside the connecting plate is movably inserted with the screw rod, the upper end of the screw rod is connected in the inside of the threaded hole of the fixed plate fixed on the plug-in pipe outside the bottom surface of the gas storage tank, and the nut at the lower end of the screw rod abuts against the bottom surface of the connecting plate, so as to fix the gas storage tank. The connecting belt of elastic material is also fixed on the outside of the plug-in pipe, and the sealing plug is fixed on the end of the connecting belt. After the gas storage tank is removed, the sealing plug is inserted into the inside of the plug-in pipe, so as to prevent gas leakage and provide convenience for the safe treatment of gas for the staff. ACCURACY OF DRAWINGS

[0018] In order to better describe the technical scheme of the utility model, the utility model will be further described in combination with the drawings and examples.

[0019] Figure 1 It is the overall structure perspective view provided by the utility model;

[0020] Figure 2 is a sectional view of the utility model;

[0021] Figure 3 is the utility model Figure 2 A enlarged schematic view at the position of B;

[0022] Figure 4 is the utility model Figure 2 A enlarged schematic view at the position of B;

[0023] Figure 5 is the utility model Figure 2 A enlarged schematic view at the position of C.

[0024] In the figure: 1, relay main body;11, connecting pipe;111, first sealing ring;112, connecting plate;113, connecting hole;114, screw rod;115, nut;12, plugging pipe;121, second sealing ring;13, electric push rod;131, first wire;14, gas concentration sensor;141, second wire;15, controller;16, wire hole;2, gas storage tank;21, plug-in pipe;211, connecting belt;212, sealing plug;213, fixed plate;214, screw hole;22, fixed ring;23, remote gas monitoring alarm;3, air guide cylinder;31, air outlet hole;32, air inlet hole;33, support ring;331, support plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figures 1-5 The utility model provides the following technical scheme: a novel exhaust equipment for transformer light gas relay, including relay main body 1 (relay main body 1 is prior art, and specific operation mode and principle can refer to the gas relay in prior art, and the transformer is provided with safety protection, therefore, too much repetition is not carried out here), the middle part of the top surface of relay main body 1 is fixed with connecting pipe 11, connecting pipe 11 is through with the inner side of relay main body 1, and connecting pipe 11 is used to connect air guide cylinder 3, which provides a moving channel for air guide cylinder 3.

[0028] Refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, in particular, the inside top surface of the relay body 1 is fixed with a blocking pipe 12 for blocking the air inlet hole 32, the inside of the connecting pipe 11 is movably inserted with a gas guide cylinder 3 for guiding the gas to be discharged, the gas guide cylinder 3 penetrates the connecting pipe 11, the gas guide cylinder 3 penetrates the blocking pipe 12, the lower end of the outer wall of the gas guide cylinder 3 is symmetrically provided with an air inlet hole 32, the gas in the relay body 1 enters the inside of the gas guide cylinder 3 through the air inlet hole 32, the air inlet hole 32 is located inside the blocking pipe 12, the lower end of the outer wall of the gas guide cylinder 3 is fixedly sleeved with a support ring 33 for supporting the gas guide cylinder 3 to prevent it from moving downward, the support ring 33 is located below the blocking pipe 12, the outer wall of the support ring 33 is fixed with a support plate 331 for supporting the support ring 33, which can also drive the support ring 33 and the gas guide cylinder 3 to move, the inside top surface of the relay body 1 is fixed with an electric push rod 13 (the electric push rod 13 is prior art, the specific operation mode and principle can refer to the small electric push rod device in the prior art, and the controller 15 controls its opening and closing, so it is not described in detail here), the electric push rod 13 is located on one side of the blocking pipe 12, the lower end of the electric push rod 13 is fixedly connected with the support plate 331, the upper end of the outer wall of the electric push rod 13 is fixed with a first wire 131 for signal transmission, one end of the first wire 131 is fixed with a gas concentration sensor 14 (the gas concentration sensor 14 is prior art, the specific operation mode and principle can refer to the gas detector in the prior art, which provides gas concentration data for the controller 15, so it is not described in detail here), the gas concentration sensor 14 is fixed on the inside top surface of the relay body 1, the top surface of the gas concentration sensor 14 is fixed with a second wire 141 for data signal transmission, the top surface of the relay body 1 is provided with a wire hole 16 for providing connection space for the second wire 141, the second wire 141 is located inside the wire hole 16, the top surface of the relay body 1 is fixed with a controller 15 (the controller 15 is prior art, the specific operation mode and principle can refer to the microprogram controller in the prior art, which is controlled by an external power supply to open and close, so it is not described in detail here), the top end of the second wire 141 is fixed on the bottom surface of the controller 15, the scheme can realize automatic discharge of gas, without manual operation of the staff, improving the efficiency of gas discharge and protecting the safe operation of the transformer.

[0029] Referring to Figure 1 , Figure 2 and Figure 5As shown, specifically, the outer side of the upper end of the air guide cylinder 3 is movably sleeved with a gas storage tank 2 for storing gas, the middle of the bottom surface of the gas storage tank 2 is fixedly provided with a plug-in pipe 21 for plugging the air guide cylinder 3, the plug-in pipe 21 penetrates the inner side of the gas storage tank 2, the air guide cylinder 3 penetrates the plug-in pipe 21, the outer wall of the upper end of the air guide cylinder 3 is symmetrically provided with an air outlet hole 31, the air outlet hole 31 is located in the inner side of the gas storage tank 2, and the gas in the air guide cylinder 3 is discharged into the inner side of the gas storage tank 2, the middle of the top surface of the gas storage tank 2 is fixedly provided with a fixing ring 22 for fixedly connecting a remote gas monitoring alarm 23, the inner side of the fixing ring 22 is fixedly plugged with the remote gas monitoring alarm 23 (the remote gas monitoring alarm 23 is prior art, and the specific operation mode and principle can be referred to the combustible gas monitoring remote alarm in the prior art, so it is not described in detail here, and the lower end detection rod of the remote gas monitoring alarm 23 is plugged into the inner side of the gas storage tank 2, used for monitoring the concentration of hydrogen and acetylene in the inner side of the gas storage tank 2, and when the concentration is too high, the sound and light alarm is sounded, and the alarm signal is transmitted remotely to remind the staff to handle), the lower end of the remote gas monitoring alarm 23 is located in the inner side of the gas storage tank 2, the outer wall of the upper end of the connecting pipe 11 is fixedly provided with a connecting plate 112 for providing a connecting hole 113, the edge of the top surface of the connecting plate 112 is provided with a connecting hole 113 for providing a connecting space for the screw rod 114, the inner side of the connecting hole 113 is movably plugged with the screw rod 114 for fixing the gas storage tank 2, the lower end of the screw rod 114 is fixedly provided with a nut 115, the nut 115 is tightly connected with the connecting plate 112 to make the gas storage tank 2 be fixedly and stably connected, the outer wall of the lower end of the plug-in pipe 21 is fixedly provided with a fixed plate 213 for providing a space for a threaded hole 214, the edge of the top surface of the fixed plate 213 is provided with a threaded hole 214, the upper end of the screw rod 114 is threadedly connected to the inner side of the threaded hole 214, and the threaded hole 214 is fixedly connected with the screw rod 114 to fix the gas storage tank 2, the outer wall of the lower end of the plug-in pipe 21 is fixedly provided with a connecting band 211, the connecting band 211 is made of elastic material and can prevent the sealing plug 212 from being lost, one end of the connecting band 211 is fixedly provided with the sealing plug 212, the sealing plug 212 is located on one side of the connecting pipe 11, the sealing plug 212 is matched in size with the plug-in pipe 21 and can seal the plug-in pipe 21, and the gas storage tank 2 of the scheme can store the discharged gas, and the gas storage tank 2 is convenient to disassemble and assemble, thereby providing convenience for the staff to handle the gas in the future.

[0030] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, in particular, the top end of the connecting pipe 11 is fixed with a first sealing ring 111, the first sealing ring 111 is tightly attached to the plug-in pipe 21, which can prevent gas leakage, the lower end of the plugging pipe 12 is fixed with a second sealing ring 121, the second sealing ring 121 is tightly attached to the support ring 33, which is used to prevent gas backflow, the first sealing ring 111, the second sealing ring 121 and the sealing plug 212 are all flexible materials, the use of the first sealing ring 111 and the second sealing ring 121 further improves the sealing performance and prevents possible gas leakage or backflow.

[0031] The working principle and use process of the utility model are as follows:

[0032] In use, the staff can set the gas concentration value when exhausting in advance through the controller 15, when the gas concentration sensor 14 detects that the gas concentration value reaches the pre-set value, the controller 15 controls the electric push rod 13 to push the support plate 331 to move downwards (the signal transmission between the electric push rod 13, the gas concentration sensor 14 and the controller 15 is carried out through the first lead wire 131 and the second lead wire 141), the support plate 331 drives the support ring 33 to move downwards, the support ring 33 drives the air guide cylinder 3 to move downwards, the air inlet hole 32 moves out of the inside of the plugging pipe 12, the gas enters the inside of the air guide cylinder 3 through the air inlet hole 32, and then is stored in the inside of the gas storage tank 2 through the air outlet hole 31, when the gas is exhausted, the controller 15 controls the electric push rod 13 to drive the support plate 331 to move upwards, so that the air guide cylinder 3 moves upwards, the air inlet hole 32 moves into the inside of the plugging pipe 12 and is blocked, preventing the gas backflow (the first sealing ring 111 is tightly attached to the plug-in pipe 21, and the second sealing ring 121 is tightly attached to the support ring 33, which can better prevent the gas from leaking through the gap), the screw rod 114 is removed from the inside of the threaded hole 214 by rotating the screw rod 114, the gas storage tank 2 can be disassembled, then the sealing plug 212 is inserted into the inside of the plug-in pipe 21 to prevent gas leakage, and the staff can send the gas in the gas storage tank 2 to a disposal place for treatment, and the remote gas monitoring alarm 23 is arranged on the gas storage tank 2, which can sound and light alarm when the hydrogen and acetylene concentration is too high, and simultaneously send an alarm signal remotely, reminding the staff to handle and improving the safety.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A new exhaust device for transformer light gas relay, comprising a relay main body (1), characterized in that: The relay body (1) top surface middle part is fixed with connecting pipe (11), connecting pipe (11) with relay body (1) inside through, relay body (1) inside top surface middle part is fixed with block pipe (12), connecting pipe (11) inside movable plug-in guide cylinder (3), guide cylinder (3) penetrates connecting pipe (11), guide cylinder (3) penetrates block pipe (12), guide cylinder (3) lower end outer wall symmetry is equipped with air inlet hole (32), air inlet hole (32) is located in block pipe (12) inside, guide cylinder (3) lower end outer wall fixed sleeve is inserted with support ring (33), support ring (33) is located below block pipe (12), support ring (33) outer wall is fixed with support plate (331), relay body (1) inside top surface is fixed with electric push rod (13), electric push rod (13) is located in block pipe (12) one side, electric push rod (13) lower end is fixedly connected with support plate (331), electric push rod (13) upper end outer wall is fixed with first lead (131), first lead (131) one end is fixed with gas concentration sensor (14), gas concentration sensor (14) is fixed on relay body (1) inside top surface, gas concentration sensor (14) top surface middle part is fixed with second lead (141), relay body (1) top surface edge is equipped with lead hole (16), second lead (141) is located in lead hole (16) inside, relay body (1) top surface edge is fixed with controller (15), second lead (141) top end is fixed on controller (15) bottom surface, guide cylinder (3) upper end outer side movable sleeve is inserted with gas storage tank (2), gas storage tank (2) bottom surface middle part is fixed with plug-in pipe (21), plug-in pipe (21) with gas storage tank (2) inside through, guide cylinder (3) penetrates plug-in pipe (21), guide cylinder (3) upper end outer wall symmetry is equipped with air outlet (31), air outlet (31) is located in gas storage tank (2) inside.

2. A novel exhaust device for transformer light gas relay according to claim 1, characterized in that: The top surface of the gas storage tank (2) is fixed with a fixed ring (22), and the remote gas monitoring alarm (23) is inserted into the inside of the fixed ring (22). The lower end of the remote gas monitoring alarm (23) is located inside the gas storage tank (2).

3. A novel exhaust device for transformer light gas relay according to claim 2, characterized in that: The connecting plate (112) is fixed on the outer wall of the upper end of the connecting pipe (11), and the connecting hole (113) is provided on the top surface of the connecting plate (112). The screw rod (114) is movably inserted into the connecting hole (113), and the screw cap (115) is fixed to the lower end of the screw rod (114). The fixed plate (213) is fixed to the outer wall of the lower end of the plug-in pipe (21), and the threaded hole (214) is provided on the top surface of the fixed plate (213). The upper end of the screw rod (114) is screwed into the threaded hole (214).

4. A novel exhaust device for transformer light gas relay according to claim 3, characterized in that: The connecting band (211) is fixed to the outer wall of the lower end of the plug-in pipe (21), and the sealing plug (212) is fixed to one end of the connecting band (211). The sealing plug (212) is located on one side of the connecting pipe (11).

5. A novel exhaust device for transformer light gas relay according to claim 4, characterized in that: The top end of the connecting pipe (11) is fixed with a first sealing ring (111), which is tightly attached to the plug-in pipe (21).

6. A novel exhaust device for transformer light gas relay according to claim 5, characterized in that: The lower end of the plugging pipe (12) is fixed with a second sealing ring (121), which is tightly attached to the support ring (33).

7. A novel exhaust device for transformer light gas relay according to claim 6, characterized in that: The sealing plug (212) is sized to fit the plug-in pipe (21), and the connecting band (211) is made of elastic material.

8. A novel exhaust device for transformer light gas relay according to claim 7, characterized in that: The first sealing ring (111), the second sealing ring (121) and the sealing plug (212) are all made of flexible material.

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