CN214753337U

CN214753337U - Voltage transformer with fuse protector and lightning arrester connector

Info

Publication number: CN214753337U
Application number: CN202120509108.9U
Authority: CN
Inventors: 肖福传; 肖传喜; 舒明顺
Original assignee: Dalian Heyuan Electronics Co ltd
Current assignee: Dalian Heyuan Electronics Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-16
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to the technical field of electrical devices, in particular to a voltage transformer with fuse protection and lightning arrester joint, which ensures the humidity in the control cabinet cavity and avoids the reduction of the service life of the voltage transformer caused by static electricity caused by dry air; the bottom plate, the switch board, the extension board, the intake pipe, the connecting rod, the gas-supply pipe, the humidification storehouse, first valve, first blast pipe, exhaust branch, first backup pad, the high pressure water pump, the inlet tube, the outlet pipe, the second backup pad, including a motor, an end cap, a controller, and a cover plate, reciprocal lead screw, the dead lever, slider and outlet duct, switch board fixed mounting is in the upper end of bottom plate, the inside of switch board is provided with the cavity, extension board fixed mounting is in the cavity of switch board, voltage transformer fixed mounting is in the upper end of extension board, the left part of intake pipe is vertically installed in the cavity of switch board through the connecting rod, the part that the intake pipe is located the switch board cavity is provided with the multiunit inlet port.

Description

Voltage transformer with fuse protector and lightning arrester connector

Technical Field

The utility model relates to an electric technical field of device especially relates to a voltage transformer who not only takes fuse protection but also takes arrester to connect.

Background

A voltage transformer is an instrument for transforming a voltage. The voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device and measuring the voltage, power and electric energy of a line. The voltage transformer is found in the use process, and static electricity is easily generated in dry weather in the north, so that the voltage transformer is frequently broken down, the service life of the voltage transformer is shortened, and the use economy cost is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a humidity in the switch board cavity has been guaranteed, the dry air of having avoided arouses static and reduce voltage transformer's life's a voltage transformer that not only takes the fuse protection but also takes the arrester to connect.

The utility model discloses a voltage transformer with fuse protection and lightning arrester joint, which comprises a bottom plate, a control cabinet, a support plate, an air inlet pipe, a connecting rod, a gas pipe, a humidifying bin, a first valve, a first exhaust pipe, an exhaust branch pipe, a first support plate, a high-pressure water pump, an inlet pipe, an outlet pipe, a second support plate, a motor, a reciprocating screw rod, a fixed rod, a slider and an outlet pipe, wherein the control cabinet is fixedly arranged at the upper end of the bottom plate, a cavity is arranged inside the control cabinet, the support plate is fixedly arranged in the cavity of the control cabinet, the voltage transformer is fixedly arranged at the upper end of the support plate, the left part of the inlet pipe is longitudinally arranged in the cavity of the control cabinet through the connecting rod, a plurality of groups of gas inlet holes are arranged at the part of the inlet pipe, the plurality of groups of gas inlet holes are arranged at different heights, the output end of the inlet pipe is arranged at the right side of the control cabinet, the input end of the gas pipe is connected with the output end of the inlet pipe, the air pipe is provided with an air pump humidifying bin which is fixedly arranged at the upper end of the bottom plate, the humidifying bin is internally provided with a cavity, the lower part of the humidifying bin cavity is provided with water, the first valve is fixedly arranged at the lower part of the air pipe, the left end of the first exhaust pipe is connected with the output end of the air pipe, the right end of the first exhaust pipe is fixedly arranged at the right end of the lower part of the humidifying bin cavity, the first exhaust pipe is provided with a plurality of groups of exhaust branch pipes which are all positioned in the humidifying bin cavity, the first support plate is fixedly arranged at the right end of the humidifying bin, the high-pressure water pump is fixedly arranged at the upper end of the first support plate, the left end of the water inlet pipe is positioned below the liquid level at the lower part of the humidifying bin cavity, the right end of the water inlet pipe is connected with the input end of the water outlet pipe through the high-pressure water pump, the water outlet pipe is longitudinally arranged, the output end of the water outlet pipe is connected with the input end of the water outlet hose through a connector, the second support plate is fixedly arranged at the left end of the humidifying bin, the motor is fixedly arranged at the upper end of the second supporting plate, the left end of the reciprocating screw rod is connected with the output end of the motor, the right end of the reciprocating screw rod is rotatably arranged at the right end of the cavity of the humidifying bin, the reciprocating screw rod is positioned above the liquid level in the cavity of the humidifying bin, the fixed rod is fixedly arranged in the cavity of the reciprocating screw rod, the fixed rod is positioned above the reciprocating screw rod, the slide block is slidably arranged on the fixed rod, the slide block slides left and right on the fixed rod, a left inner threaded hole communicated with the left and right is formed in the slide block, the slide block is screwed with the reciprocating screw rod, the left part of the water outlet hose is fixedly arranged on the slide block, the spray head is fixedly arranged at the lower end of the slide block, the output end of the water outlet hose is connected with the input end of the spray head, the air outlet pipe is fixedly arranged at the upper part of the humidifying bin, the left end of the air outlet pipe is communicated with the cavity of the humidifying bin, and the output end of the air outlet pipe is positioned at the lower part of the control cabinet cavity, the output end of the air outlet pipe is provided with a plurality of groups of air outlet holes.

The utility model discloses a voltage transformer who not only takes fuse protection but also takes arrester to connect still includes the second blast pipe, second valve and filter screen, the input fixed mounting of second blast pipe is on the gas-supply pipe, the input of second blast pipe is located the top of first valve, second valve fixed mounting is on the second blast pipe, the output of second blast pipe and the cavity intercommunication in humidification storehouse, the output of second blast pipe is located the top of slider, filter screen fixed mounting is in the cavity in humidification storehouse, the filter screen is located the top of second blast pipe.

The utility model discloses a voltage transformer who not only takes fuse protection but also takes arrester to connect still includes humidity transducer and humidity indicator, and humidity transducer fixed mounting is in the cavity of switch board, and humidity indicator fixed mounting is at the left end of switch board, and humidity indicator and humidity transducer pass through the signal line connection.

The utility model discloses a voltage transformer who not only takes fuse protection but also takes arrester to connect still includes lighting device, lighting device fixed mounting is in the cavity of switch board.

The utility model discloses a voltage transformer who not only takes fuse protection but also takes arrester to connect, the skin of switch board scribbles anti rust coating.

The utility model discloses a voltage transformer who not only takes fuse protection but also takes arrester to connect sets up the dust cover in the upper end in humidification storehouse.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, an air pump on a gas pipe is opened, air with different heights in a cavity of a control cabinet enters an air inlet pipe through air inlet holes with different heights on an air inlet pipe, then a first valve is opened, the air enters a first exhaust pipe through the gas pipe, then the air is discharged to water at the lower part of a cavity of a humidifying bin through a plurality of groups of exhaust branch pipes on the first exhaust pipe to be mixed with the water, then a high-pressure water pump is opened, the water in the cavity of the humidifying bin enters an water outlet pipe through an water inlet pipe, then the water enters a water outlet hose through a water outlet pipe, then the water enters a nozzle at the lower end of a sliding block through the water outlet hose to be sprayed out, then a motor is started, the motor drives a reciprocating screw rod to rotate, the rotating reciprocating screw rod and the sliding block are screwed, the sliding block moves left and right, the sliding block drives the nozzle to move left and right, the water is uniformly sprayed in the cavity of the humidifying bin to fall, the air discharged from the first exhaust pipe is mixed with the water sprayed out from the nozzle again in the rising process, the contact time of gas and water is prolonged, the air is fully wetted, the humidified gas is discharged into the cavity of the control cabinet through the outlet pipe, the humidity in the cavity of the control cabinet is guaranteed, the gas is prevented from being too dry to cause static electricity, the service life of the voltage transformer is prolonged, the fault rate of the voltage transformer is reduced, the use cost is reduced, and the practicability is improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural view of the connection of a reciprocating screw rod, a sliding block, a fixed rod and the like;

FIG. 3 is a schematic view of the connection of the air inlet conduit, air delivery conduit and first exhaust conduit;

FIG. 4 is a schematic view of the structure of the connection of the water inlet pipe, the high pressure water pump, the water outlet pipe and the like;

in the drawings, the reference numbers: 1. a base plate; 2. a control cabinet; 3. a support plate; 4. an air inlet pipe; 5. a connecting rod; 6. a gas delivery pipe; 7. a humidifying bin; 8. a first valve; 9. a first exhaust pipe; 10. an exhaust branch pipe; 11. a first support plate; 12. a high pressure water pump; 13. a water inlet pipe; 14. a water outlet pipe; 15. a second support plate; 16. a motor; 17. a reciprocating screw rod; 18. fixing the rod; 19. a slider; 20. an air outlet pipe; 21. a second exhaust pipe; 22. a second valve; 23. a filter screen; 24. A humidity sensor; 25. a humidity display instrument; 26. an illumination device.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a voltage transformer with fuse protection and lightning arrester joint, which comprises a bottom plate 1, a control cabinet 2, a support plate 3, an air inlet pipe 4, a connecting rod 5, an air delivery pipe 6, a humidifying bin 7, a first valve 8, a first exhaust pipe 9, an exhaust branch pipe 10, a first support plate 11, a high pressure water pump 12, an air inlet pipe 13, an air outlet pipe 14, a second support plate 15, a motor 16, a reciprocating screw rod 17, a fixing rod 18, a slider 19 and an air outlet pipe 20, wherein the control cabinet 2 is fixedly arranged at the upper end of the bottom plate 1, a cavity is arranged inside the control cabinet 2, the support plate 3 is fixedly arranged in the cavity of the control cabinet 2, the voltage transformer is fixedly arranged at the upper end of the support plate 3, the left part of the air inlet pipe 4 is longitudinally arranged in the cavity of the control cabinet 2 through the connecting rod 5, the part of the air inlet pipe 4, which is positioned in the cavity of the control cabinet 2, is provided with a plurality of air inlet holes, and the multiple groups of air inlets are positioned at different heights, the output end of the air inlet pipe 4 is positioned at the right side of the control cabinet 2, the input end of the air pipe 6 is connected with the output end of the air inlet pipe 4, the air pipe 6 is provided with an air pump humidifying bin 7 which is fixedly arranged at the upper end of the bottom plate 1, the humidifying bin 7 is internally provided with a cavity, the lower part of the cavity of the humidifying bin 7 is provided with water, a first valve 8 is fixedly arranged at the lower part of the air pipe 6, the left end of a first exhaust pipe 9 is connected with the output end of the air pipe 6, the right end of the first exhaust pipe 9 is fixedly arranged at the right end of the lower part of the cavity of the humidifying bin 7, the first exhaust pipe 9 is provided with multiple groups of exhaust branch pipes 10, the multiple groups of exhaust branch pipes 10 are all positioned in the cavity of the humidifying bin 7, a first support plate 11 is fixedly arranged at the right end of the humidifying bin 7, a high pressure water pump 12 is fixedly arranged at the upper end of the first support plate 11, the left end of a water inlet pipe 13 is positioned below the liquid level of the lower part of the cavity of the humidifying bin 7, the right end of a water inlet pipe 13 is connected with the input end of a water outlet pipe 14 through a high-pressure water pump 12, the water outlet pipe 14 is longitudinally installed, the output end of the water outlet pipe 14 is connected with the input end of a water outlet hose through a joint, a second supporting plate 15 is fixedly installed at the left end of a humidifying bin 7, a motor 16 is fixedly installed at the upper end of the second supporting plate 15, the left end of a reciprocating screw rod 17 is connected with the output end of the motor 16, the right end of the reciprocating screw rod 17 is rotatably installed at the right end of a cavity of the humidifying bin 7, the reciprocating screw rod 17 is positioned above the liquid level in the cavity of the humidifying bin 7, a fixed rod 18 is fixedly installed in the cavity of the reciprocating screw rod 17, the fixed rod 18 is positioned above the reciprocating screw rod 17, a sliding block 19 is slidably installed on the fixed rod 18, the sliding block 19 slides left and right on the fixed rod 18, the sliding block 19 is provided with an internal threaded hole communicated left and right, the sliding block 19 is screwed with the reciprocating screw rod 17, the left portion of the water outlet hose is fixedly installed on the sliding block 19, the sprayer is fixedly arranged at the lower end of the sliding block 19, the output end of the water outlet hose is connected with the input end of the sprayer, the air outlet pipe 20 is fixedly arranged at the upper part of the humidifying bin 7, the air outlet pipe 20 is positioned above the sliding block 19, the left end of the air outlet pipe 20 is communicated with the cavity of the humidifying bin 7, the output end of the air outlet pipe 20 is positioned at the lower part of the cavity of the control cabinet 2, and a plurality of groups of exhaust holes are arranged at the output end of the air outlet pipe 20; firstly, an air pump on an air pipe 6 is opened, air with different heights in a cavity of a control cabinet 2 enters an air inlet pipe 4 through air inlet holes with different heights on the air inlet pipe 4, then a first valve 8 is opened, the air enters a first exhaust pipe 9 through the air pipe 6, then the air is discharged into water at the lower part of the cavity of a humidifying bin 7 through a plurality of groups of exhaust branch pipes 10 on the first exhaust pipe 9 to be mixed with the water, then a high-pressure water pump 12 is opened, the water in the cavity of the humidifying bin 7 enters a water outlet pipe 14 through a water inlet pipe 13, then the water enters a water outlet hose through the water outlet pipe 14, then the water enters a spray head at the lower end of a slide block 19 through the water outlet hose to be sprayed, then a motor 16 is started, the motor 16 drives a reciprocating screw rod 17 to rotate, the rotary reciprocating screw rod 17 and the slide block 19 are screwed, so the rotary reciprocating screw rod 17 enables the slide block 19 to move left and right, the slide block 19 drives the spray head to move left and right, make even the spraying of water whereabouts in the cavity of humidification storehouse 7, the in-process appearance that rises is mixed once more via shower nozzle spun water on first blast pipe 9, the contact time of gas and water has been increased, make the abundant wetting of air, later through the gas of humidification pass through outlet duct 20 emit into again in the cavity of switch board 2 can, it guarantees the humidity in the 2 cavities of switch board, gas too dry and arouse static has been avoided, voltage transformer's life has been improved, voltage transformer's fault rate has been reduced, use cost is reduced, and practicability is improved.

The utility model discloses a take voltage transformer of fuse protection and take arrester to connect, still include second blast pipe 21, second valve 22 and filter screen 23, the input fixed mounting of second blast pipe 21 is on gas-supply pipe 6, the input of second blast pipe 21 is located the top of first valve 8, second valve 22 is fixed mounting on second blast pipe 21, the output of second blast pipe 21 and the cavity intercommunication of humidification storehouse 7, the output of second blast pipe 21 is located the top of slider 19, filter screen 23 is fixed mounting in the cavity of humidification storehouse 7, filter screen 23 is located the top of second blast pipe 21; when the air which does not need to be humidified and only needs to be dedusted, the second valve 22 is opened, so that the air in the air conveying pipe 6 is discharged into the cavity of the humidification chamber 7 through the second exhaust pipe 21, water in the cavity of the humidification chamber 7 flows back into the air conveying pipe 6 through the plurality of groups of exhaust branch pipes 10 due to the principle of a communicating vessel, the liquid level in the air conveying pipe 6 is equal to the liquid level in the cavity of the humidification chamber 7, the liquid level in the air conveying pipe 6 is lower than that of the second exhaust pipe 21, then the air is filtered out of the dust through the filter screen 23, and then the air is discharged into the chamber of the control cabinet 2 through the air outlet pipe 20 again, so that the dust can be removed under the condition of no humidification, the limitation is reduced, and the convenience is improved.

The utility model discloses a voltage transformer with fuse protection and lightning arrester joint, which also comprises a humidity sensor 24 and a humidity display 25, wherein the humidity sensor 24 is fixedly arranged in the cavity of the control cabinet 2, the humidity display 25 is fixedly arranged at the left end of the control cabinet 2, and the humidity display 25 is connected with the humidity sensor 24 through a signal line; through the arrangement, the humidity in the cavity of the control cabinet 2 is conveniently monitored, and the use convenience is improved.

The utility model discloses a voltage transformer with fuse protection and lightning arrester joint, which also comprises a lighting device 26, wherein the lighting device 26 is fixedly arranged in the cavity of the control cabinet 2; through the arrangement, the cavity of the control cabinet 2 is brighter, and the working state of the voltage transformer is convenient to observe.

The utility model discloses a voltage transformer with fuse protection and lightning arrester joint, the outer layer of the control cabinet 2 is coated with an anti-rust coating; through the arrangement, the rustiness of the control cabinet 2 is delayed, and the service life of the control cabinet 2 is prolonged.

The utility model relates to a voltage transformer with fuse protection and lightning arrester joint, the upper end of a humidifying bin 7 is provided with a dust cover; through the above arrangement, dust is prevented from accumulating at the upper end of the humidifying bin 7.

The utility model discloses a take voltage transformer of fuse protection and take arrester to connect, it is at work, at first open the air pump on the gas-supply pipe 6, make the air of different height in the cavity of switch board 2 enter in the intake pipe 4 through the inlet port of different height on the intake pipe 4, later open first valve 8, make gas enter in the first exhaust pipe 9 through the gas-supply pipe 6, later gas discharges to the aquatic of humidification storehouse 7 cavity lower part through the multiunit exhaust branch pipe 10 on the first exhaust pipe 9 and mixes with water, later open high pressure water pump 12, make the water in the humidification storehouse 7 cavity enter in the outlet pipe 14 through the inlet tube 13, later water enters in the outlet hose through the outlet pipe 14, later water enters the shower nozzle of slider 19 lower extreme through the outlet hose and spouts, then open motor 16, motor 16 drives reciprocal lead screw 17 rotation, because reciprocal lead screw 17 and slider 19 spiral shell dress, therefore, the rotating reciprocating screw rod 17 enables the sliding block 19 to move left and right, the sliding block 19 drives the spray head to move left and right, water is uniformly sprayed in the cavity of the humidifying bin 7 to fall down, the gas discharged from the first exhaust pipe 9 is mixed again through the water sprayed from the spray head in the rising process, the contact time of the gas and the water is prolonged, the air is fully humidified, and then the humidified gas is discharged into the cavity of the control cabinet 2 again through the air outlet pipe 20.

The installation mode, the connection mode or the arrangement mode of the voltage transformer with the fuse protector and the lightning arrester joint of the utility model are common mechanical modes, and the voltage transformer can be implemented as long as the beneficial effects can be achieved; the utility model discloses a take the fuse protection and take voltage transformer's that the arrester connects switch board 2, high pressure water pump 12, motor 16, reciprocal lead screw 17 and humidity transducer 24 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A voltage transformer with fuse protection and lightning arrester joint is characterized by comprising a bottom plate (1), a control cabinet (2), a support plate (3), an air inlet pipe (4), a connecting rod (5), an air delivery pipe (6), a humidifying bin (7), a first valve (8), a first exhaust pipe (9), an exhaust branch pipe (10), a first support plate (11), a high-pressure water pump (12), an air inlet pipe (13), an air outlet pipe (14), a second support plate (15), a motor (16), a reciprocating screw rod (17), a fixed rod (18), a slide block (19) and an air outlet pipe (20), wherein the control cabinet (2) is fixedly arranged at the upper end of the bottom plate (1), a cavity is arranged inside the control cabinet (2), the support plate (3) is fixedly arranged in the cavity of the control cabinet (2), the voltage transformer is fixedly arranged at the upper end of the support plate (3), the left part of the air inlet pipe (4) is longitudinally arranged in the cavity of the control cabinet (2) through the connecting rod (5), the part of the air inlet pipe (4) positioned in the cavity of the control cabinet (2) is provided with a plurality of groups of air inlet holes, the plurality of groups of air inlet holes are positioned at different heights, the output end of the air inlet pipe (4) is positioned at the right side of the control cabinet (2), the input end of the air delivery pipe (6) is connected with the output end of the air inlet pipe (4), the air delivery pipe (6) is provided with an air pump humidifying bin (7) which is fixedly arranged at the upper end of the bottom plate (1), the humidifying bin (7) is internally provided with a cavity, the lower part of the cavity of the humidifying bin (7) is provided with water, a first valve (8) is fixedly arranged at the lower part of the air delivery pipe (6), the left end of a first exhaust pipe (9) is connected with the output end of the air delivery pipe (6), the right end of the first exhaust pipe (9) is fixedly arranged at the right end of the lower part of the cavity of the humidifying bin (7), a plurality of exhaust pipes (9) are provided with a plurality of groups of exhaust branch pipes (10), and the plurality of exhaust pipes (10) are positioned in the cavity of the humidifying bin (7), the first supporting plate (11) is fixedly arranged at the right end of the humidifying bin (7), the high-pressure water pump (12) is fixedly arranged at the upper end of the first supporting plate (11), the left end of the water inlet pipe (13) is positioned below the liquid level at the lower part of the cavity of the humidifying bin (7), the right end of the water inlet pipe (13) is connected with the input end of the water outlet pipe (14) through the high-pressure water pump (12), the water outlet pipe (14) is longitudinally arranged, the output end of the water outlet pipe (14) is connected with the input end of a water outlet hose through a joint, the second supporting plate (15) is fixedly arranged at the left end of the humidifying bin (7), the motor (16) is fixedly arranged at the upper end of the second supporting plate (15), the left end of the reciprocating screw rod (17) is connected with the output end of the motor (16), the right end of the reciprocating screw rod (17) is rotatably arranged at the right end of the cavity of the humidifying bin (7), the reciprocating screw rod (17) is positioned above the liquid level in the cavity of the humidifying bin (7), the fixing rod (18) is fixedly installed in a cavity of the reciprocating screw rod (17), the fixing rod (18) is located above the reciprocating screw rod (17), the sliding block (19) is installed on the fixing rod (18) in a sliding mode, the sliding block (19) slides left and right on the fixing rod (18), a left internal threaded hole and a right internal threaded hole which are communicated are formed in the sliding block (19), the sliding block (19) and the reciprocating screw rod (17) are in threaded installation, the left portion of the water outlet hose is fixedly installed on the sliding block (19), the spray head is fixedly installed at the lower end of the sliding block (19), the output end of the water outlet hose is connected with the input end of the spray head, the air outlet pipe (20) is fixedly installed on the upper portion of the humidifying bin (7), the air outlet pipe (20) is located above the sliding block (19), the left end of the air outlet pipe (20) is communicated with the cavity of the humidifying bin (7), the output end of the air outlet pipe (20) is located at the lower portion of the cavity of the control cabinet (2), and multiple groups of air outlet pipes (20) are arranged on the output end of the air outlet pipe.

2. The voltage transformer with the fuse protector and the lightning arrester joint as recited in claim 1, characterized by further comprising a second exhaust pipe (21), a second valve (22) and a filter screen (23), wherein an input end of the second exhaust pipe (21) is fixedly installed on the gas pipe (6), an input end of the second exhaust pipe (21) is located above the first valve (8), the second valve (22) is fixedly installed on the second exhaust pipe (21), an output end of the second exhaust pipe (21) is communicated with the cavity of the humidifying chamber (7), an output end of the second exhaust pipe (21) is located above the slider (19), the filter screen (23) is fixedly installed in the cavity of the humidifying chamber (7), and the filter screen (23) is located above the second exhaust pipe (21).

3. The voltage transformer with the fuse protection and the lightning arrester joint as claimed in claim 2, characterized by further comprising a humidity sensor (24) and a humidity display (25), wherein the humidity sensor (24) is fixedly installed in the cavity of the control cabinet (2), the humidity display (25) is fixedly installed at the left end of the control cabinet (2), and the humidity display (25) and the humidity sensor (24) are connected through a signal line.

4. A voltage transformer with fuse protection and lightning arrester connection according to claim 3, characterized in that it further comprises a lighting device (26), the lighting device (26) being fixedly mounted in the compartment of the control cabinet (2).

5. A voltage transformer with fuse protection and lightning arrester connection according to claim 4, characterized in that the outer layer of the control cabinet (2) is coated with a rust-proof coating.

6. A voltage transformer with fuse protection and lightning arrester connection according to claim 5, characterized in that the humidifying chamber (7) is provided with a dust cover at its upper end.