CN217182650U - Protection device for be used for direct current power supply system of transformer substation - Google Patents

Abstract

The utility model relates to a power supply system technical field of transformer substation especially relates to a protector for direct current power supply system of transformer substation. Including the protective housing, protective housing front end lateral sliding installs the chamber door, the protective housing upper end runs through fixed mounting and has the ring fixed block, the total fan of fixed dark commentaries on classics in the ring fixed block. The utility model discloses a conical gear one that sets up and the meshing of conical gear two and the threaded connection of screw rod and movable block, make maintenance personal can be very laborsaving when taking out electrical power generating system and maintaining, four fixed columns of establishing simultaneously on the base can make electrical power generating system fine fix on the base, through the fan that sets up in the protecting box upper end, and the louvre that sets up at rear end and both sides end, can let the direct current electrical power generating system of transformer substation dispel the heat at the during operation is fine, when need not dispel the heat, the staff can also be through promoting the dust guard, make the fan mouth of upper end close, prevent that the dust from getting into.

Description

Protection device for direct-current power supply system of transformer substation

Technical Field

The utility model relates to a power supply system technical field of transformer substation especially relates to a protector for direct current power supply system of transformer substation.

Background

The transformer substation is a place for changing voltage, in order to transmit the electric energy from the power plant to a remote place, the voltage must be increased and changed into high voltage, and the voltage is reduced as required near a user, the voltage increasing and decreasing work is completed by the transformer substation, the transformer substation is an electric power facility for converting voltage, receiving and distributing electric energy, controlling the flow direction of the electric power and adjusting the voltage in an electric power system, the transformer substation connects power grids of various levels of voltage, and in order to transmit the electric energy to the remote place, the low-voltage direct current system is a power supply device which is applied to hydraulic power plants, thermal power plants, various transformer substations and other users using direct current devices and provides direct current power for signal devices, protection, automatic devices, accident illumination, emergency power supplies and breaker opening and closing operations. The direct current system is an independent power supply, is not influenced by a generator, auxiliary power and a system running mode, and ensures that a backup power supply-storage battery continuously provides important equipment of the direct current power supply under the condition that external alternating current is interrupted.

As disclosed in the chinese patent: the utility model provides a transformer substation emergency power source safety device, the publication number: CN211930323U, compare with prior art, the beneficial effects of the utility model are that: 1. the transformer substation emergency power supply safety protection device has the advantages that the water baffle plate arranged on the door plate is utilized, when the protection box is closed, the water baffle plate falls on the emergency power supply box, rainwater or other liquid splashing can be shielded, the power supply key is protected, accidents are prevented, and the service life of the transformer substation emergency power supply safety protection device is prolonged;

however, some existing substation direct-current power supply systems are inconvenient to disassemble, when maintenance personnel need to maintain power supplies, rapid disassembly work is difficult to carry out, and meanwhile, the heat of the power supply system in work is large, if the heat is not dissipated quickly, and the substation direct-current power supply is easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a protection device for direct current power supply system of transformer substation.

Therefore, the utility model adopts the technical scheme that: the utility model discloses a protective housing, protective housing front end lateral sliding installs the chamber door, the protective housing upper end is run through fixed mounting and is had the ring fixed block, the total fan of fixed dark commentaries on classics in the ring fixed block, ring fixed block upper end lateral sliding installs the dust guard, the inside lower extreme of protective housing is equipped with moving mechanism.

As a preferred technical scheme of the utility model, protective housing rear end and both ends all are provided with the louvre, the spout has vertically been seted up to protective housing lower extreme both sides.

As a preferred technical scheme of the utility model, moving mechanism includes the dwang, the dwang alternates to rotate and installs fixed plate one and with protective housing bottom fixed mounting, dwang side fixed mounting has bevel gear one.

As an optimal technical scheme of the utility model, a conical gear two has a meshing to a conical gear circumference side, conical gear two runs through fixed mounting and has the screw rod, the screw rod side rotates the installation with the guard box.

As a preferred technical scheme of the utility model, be located two sides of conical gear just rotate with the screw rod and install fixed plate two, two lower extremes of fixed plate and guard box fixed mounting, the movable block is installed to screw rod side screw thread.

As a preferred technical scheme of the utility model, movable block upper end fixed mounting has the base and is located the spout that the protective housing offered and vertically slides the installation, the equal fixed mounting in base upper end four corners department has the fixed column.

Compared with the prior art, the utility model has the advantages that:

1. this kind of a protector for direct current power supply system of transformer substation, the meshing and the threaded connection of screw rod and movable block through the conical gear one that sets up and conical gear two for maintenance person can be very laborsaving when taking out electrical power supply system and maintaining, and four fixed columns of establishing simultaneously on the base can make electrical power supply system fine fix on the base.

2. This kind of a protector for direct current power supply system of transformer substation, through the fan that sets up in the protecting box upper end to and the louvre that sets up at rear end and both sides end, can let direct current power supply system of transformer substation dispel the heat at the during operation is fine, when need not dispel the heat, the staff can also be through promoting the dust guard, makes the fan mouth of upper end close, prevents that the dust from getting into.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the protective box of the present invention;

FIG. 3 is a schematic view of the structure of the door of the present invention;

fig. 4 is a schematic structural diagram of the base of the present invention.

Wherein: 1. rotating the rod; 11. a first fixing plate; 12. a first conical gear; 13. a screw; 14. a second bevel gear; 15. a second fixing plate; 16. a moving block; 17. fixing the column; 18. a base; 2. a protective box; 21. a box door; 22. a chute; 23. a circular ring fixing block; 24. a fan; 25. heat dissipation holes; 26. a dust guard.

Detailed Description

As shown in fig. 1, 2, 3 and 4, a protection device for a transformer substation direct current power supply system comprises a protection box 2, a box door 21 is transversely installed at the front end of the protection box 2 in a sliding manner, a ring fixing block 23 is fixedly installed at the upper end of the protection box 2 in a penetrating manner, a dark turning common fan 24 is fixedly arranged in the ring fixing block 23, a dustproof plate 26 is transversely installed at the upper end of the ring fixing block 23 in a sliding manner, a moving mechanism is arranged at the lower end inside the protection box 2, heat dissipation holes 25 are formed at the rear end and two ends of the protection box 2, sliding grooves 22 are longitudinally formed at two sides of the lower end of the protection box 2, the moving mechanism comprises a rotating rod 1, the rotating rod 1 is rotatably installed with a first fixing plate 11 in a penetrating manner and fixedly installed at the bottom of the protection box 2, a first conical gear 12 is fixedly installed at the side end of the rotating rod 1, a second conical gear 14 is meshed with a second conical gear 14 in a circumferential side end, and a screw 13 is fixedly installed in a penetrating manner, the side end of a screw 13 is rotatably installed with a protection box 2, a fixed plate II 15 is positioned at the side end of a conical gear II 14 and rotatably installed with the screw 13, the lower end of the fixed plate II 15 is fixedly installed with the protection box 2, a moving block 16 is installed at the side end of the screw 13 in a threaded manner, the upper end of the moving block 16 is fixedly installed with a base 18 and longitudinally slidably installed in a sliding groove 22 formed in the protection box 2, fixed columns 17 are fixedly installed at four corners of the upper end of the base 18, when a user needs to take out a direct current power supply system of a transformer substation for maintenance, the box door 21 is pulled first, the protection box 2 is opened, the user drives a rotating rod 1 to rotate in a fixed plate I11 by rotating a handle at the side end of the rotating rod 1, the rotating rod 1 rotates to drive a conical gear I12 to rotate, the conical gear I12 is meshed with the conical gear II 14, the conical gear I12 rotates to drive the conical gear II 14 to rotate, and the conical gear II 14 is fixedly installed with the screw 13, the second bevel gear 14 rotates to drive the screw 13 to rotate in the protective box 2 and the second fixed plate 15, one side end of the screw 13 is in threaded connection with the moving block 16, the moving block 16 is pushed outwards by the rotation of the screw 13 through threads, the base 18 is pushed outwards by the moving block 16, and at the moment, a user can take out the direct-current power supply system of the transformer substation for maintenance.

The utility model discloses the working process does: when a user needs to take out the direct-current power supply system of the transformer substation for maintenance, the box door 21 is pulled firstly, the protection box 2 is opened, the user drives the rotating rod 1 to rotate in the first fixing plate 11 by rotating the handle at the side end of the rotating rod 1, the rotating rod 1 rotates to drive the first conical gear 12 to rotate, the first conical gear 12 rotates to drive the second conical gear 14 to rotate by rotating the first conical gear 12 and the second conical gear 14 through engagement of the first conical gear 12 and the second conical gear 14, the second conical gear 14 is fixedly installed with the screw 13, the screw 13 rotates in the protection box 2 and the second fixing plate 15 through rotation of the second conical gear 14, the first side end of the screw 13 is in threaded connection with the moving block 16, the moving block 16 is pushed outwards by rotation of the screw 13 through threads, the base 18 is pushed outwards by the moving block 16, at the moment, the user can take out the direct-current power supply system of the transformer substation for maintenance, and the mechanism is connected through engagement of the first conical gear 12 and the second conical gear 14 and the screw 13 and the moving block 16 Therefore, maintenance personnel can save labor when taking out the power supply system for maintenance, and meanwhile, the four fixing columns 17 arranged on the base 18 can well fix the power supply system on the base 18. This mechanism can let the DC power supply system of transformer substation dispel the heat fine at the during operation through the fan 24 that sets up in protective housing 2 upper end to and the louvre 25 that sets up at rear end and both sides end, when need not dispel the heat, the staff can also be through promoting dust guard 26, makes the fan mouth of upper end close, prevents that the dust from getting into.

Claims (6)

1. The utility model provides a protector for transformer substation's DC power supply system, includes guard box (2), its characterized in that: a box door (21) is transversely slidably mounted at the front end of the protective box (2), a ring fixing block (23) is fixedly mounted at the upper end of the protective box (2) in a penetrating manner, a fan (24) is fixedly mounted in the ring fixing block (23), and a dust guard (26) is transversely slidably mounted at the upper end of the ring fixing block (23); the lower end in the protection box (2) is provided with a moving mechanism.

2. The protection device for the substation direct current power supply system according to claim 1, characterized in that: protection box (2) rear end and both ends all are provided with louvre (25), spout (22) have vertically been seted up to protection box (2) lower extreme both sides.

3. The protection device for the substation direct current power supply system according to claim 1, characterized in that: moving mechanism includes dwang (1), dwang (1) alternate rotate install fixed plate (11) and with protective housing (2) bottom fixed mounting, dwang (1) side fixed mounting has bevel gear (12).

4. A protection device for a substation dc power supply system according to claim 3, characterized in that: the circumference side end of the first conical gear (12) is meshed with a second conical gear (14), the second conical gear (14) penetrates through the fixed mounting screw (13), and the side end of the screw (13) is rotatably mounted with the protective box (2).

5. A protection device for a substation DC power supply system according to claim 4, characterized in that: and a second fixing plate (15) is positioned at the side end of the second conical gear (14) and is rotatably installed with the screw (13), the lower end of the second fixing plate (15) is fixedly installed with the protective box (2), and a moving block (16) is installed at the side end of the screw (13) in a threaded manner.

6. A protection device for a substation DC power supply system according to claim 5, characterized in that: the upper end of the moving block (16) is fixedly provided with a base (18) and is longitudinally and slidably arranged in a sliding groove (22) formed in the protective box (2), and four corners of the upper end of the base (18) are fixedly provided with fixing columns (17).

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