CN216774035U

CN216774035U - Relay protection device of transformer substation

Info

Publication number: CN216774035U
Application number: CN202123206745.8U
Authority: CN
Inventors: 夏鹏稳
Original assignee: Wuhan Xiangneng Electrical Engineering Co ltd
Current assignee: Wuhan Xiangneng Electrical Engineering Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-17
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a substation relay protection device. The transformer substation relay protection device comprises a protection box; the heat dissipation holes are formed in the outer wall of one side of the protection box; the L-shaped baffle is fixedly arranged on the outer wall of one side of the protection box; the connecting plate is fixedly arranged at the top of the protective box; the L-shaped pipe is fixedly arranged in the protective box; the negative pressure fan is fixedly arranged at the top of the connecting plate; and the box door is hinged to the outer wall of one side of the protective box. The transformer substation relay protection device provided by the utility model has the advantages that the external air can be purified after being cooled, the heat dissipation can be effectively accelerated, meanwhile, the filter assembly is more convenient to replace, the electronic element is integrally protected more thoroughly, and the use is safer.

Description

Relay protection device of transformer substation

Technical Field

The utility model relates to the technical field of relay protection, in particular to a substation relay protection device.

Background

A relay protection device is a protection device commonly used, and refers to an automatic device capable of responding to a fault or an abnormal operation state of an electrical element in a power system and acting on a breaker to trip or send a signal.

Current relay protection device comprises a whole set of electronic original paper, places its equipment and protects in the install bin to set up the louvre on the case and carry out the natural heat dissipation, but taking place the circumstances such as short circuit or long-time operation, it is slow to probably appear dispelling the heat, and dust, steam, showy dirt among the external environment cause certain potential safety hazard in entering into inside electronic component from the louvre, have the problem that does not put in place to the whole protection of inside electronic original paper.

Therefore, there is a need to provide a new substation relay protection device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing the transformer substation relay protection device which can cool and purify the external air, effectively accelerate the heat dissipation, and simultaneously is more convenient to replace a filter assembly, more thoroughly protects electronic elements integrally and is safer to use.

In order to solve the technical problem, the relay protection device for the transformer substation provided by the utility model comprises: a protective box; the heat dissipation holes are formed in the outer wall of one side of the protection box; the L-shaped baffle is fixedly arranged on the outer wall of one side of the protection box; the connecting plate is fixedly arranged at the top of the protective box; the L-shaped pipe is fixedly arranged in the protective box; the negative pressure fan is fixedly arranged at the top of the connecting plate; the box door is hinged to the outer wall of one side of the protection box; the fixing pipe is fixedly arranged at the top of the connecting plate, and one end of the fixing pipe, far away from the negative pressure fan, is an opening; the anti-blocking disc is fixedly arranged in the fixed pipe; the filter cotton is placed in the fixed pipe, and the outer wall of one side of the filter cotton is in contact with the outer wall of one side of the anti-blocking disc.

Preferably, the ring channel has been seted up on one side outer wall of fixed pipe, fixed mounting has sealed the pad in the ring channel, the top slidable mounting of linkage plate has the seal pipe, being close to of seal pipe negative pressure air fan's one end is the opening, the seal pipe extends to in the ring channel and with the cotton wool contacts, fixed cover is equipped with the lagging on the seal pipe, the top fixed mounting of fixed pipe has a piece, the lead screw is installed to the screw thread on the piece, just the lead screw is kept away from negative pressure air fan's one end with the lagging rotates to be connected, the seal pipe is kept away from negative pressure air fan's one end fixed mounting has the bellows.

Preferably, the top fixed mounting of linkage plate has the box, the bellows is kept away from negative-pressure air fan's one end with one side outer wall fixed connection of box, fixed mounting has the coiled pipe in the box, the equal fixed mounting in both ends of coiled pipe has the horn cover, the through-hole has been seted up at the top of box, the top fixed mounting of box has the fill of falling, just the top of falling the fill is the opening, the internal fixed mounting that falls the fill has the fan.

Preferably, two fixed mounting has a plurality of nozzles on the L type pipe, fixed mounting has the air-supply line on negative-pressure air fan's the air intake, just the air-supply line with one side outer wall fixed connection of fixed pipe, fixed mounting has the play tuber pipe on negative-pressure air fan's the air outlet, go out the tuber pipe with the top fixed connection of L type pipe.

Preferably, fixed pipe with all seted up first ventilation hole on the one side outer wall of tube sealing, a plurality of second ventilation holes have been seted up on the one side outer wall of anti-clogging dish.

Preferably, the top of the connecting plate is provided with a sliding groove, a sliding block is arranged in the sliding groove in a sliding mode, a fixing rod is fixedly arranged in the sliding groove, and the fixing rod penetrates through the sliding block and is in sliding connection with the sliding block.

Preferably, one end of the box body is provided with a third vent hole, and the box body is provided with a plurality of vent holes.

Compared with the related art, the transformer substation relay protection device provided by the utility model has the following beneficial effects:

through the protective housing, the louvre, L type baffle, L type pipe, negative-pressure air fan, fixed pipe, prevent the jam dish, the filter pulp, the ring channel, sealed pad, the seal pipe, the lead screw, the bellows, the coiled pipe, when fan etc. are mutually supported, can realize accelerating the heat dissipation in needs, start negative-pressure air fan and produce the negative pressure, inhale the snakelike intraductal with the outside air, cool down the back through the fan, the air filters through the filter pulp on the fixed pipe, absorb large-scale granule dirt in the air, the dust, steam etc., comparatively clean gas finally discharges into L nature pipe, blow the steam in the protective housing, accelerate steam and discharge outdoors from a plurality of louvres, can also cool down the outside air when realizing accelerating the heat dissipation, purify, it is convenient when needing to change filter assembly simultaneously, it is whole more thorough to protect electronic component, it is safer to use.

Drawings

Fig. 1 is a schematic front sectional view of a relay protection device of a substation according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B shown in FIG. 1;

fig. 4 is a schematic front view of a protection box of the substation relay protection device provided by the utility model.

Reference numbers in the figures: 1. a protective box; 2. heat dissipation holes; 3. an L-shaped baffle plate; 4. a connector tile; 5. an L-shaped pipe; 6. a negative pressure fan; 7. a box door; 8. a fixed tube; 9. an anti-blocking disk; 10. filtering cotton; 11. an annular groove; 12. a gasket; 13. sealing the tube; 14. sheathing the board; 15. supporting a block; 16. a screw rod; 17. a bellows; 18. a box body; 19. a serpentine tube; 20. a horn cover; 21. a through hole; 22. dumping; 23. a fan.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic front sectional view illustrating a preferred embodiment of a substation relay protection device according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is an enlarged view of the portion B shown in FIG. 1; fig. 4 is a schematic front view of a protection box of the substation relay protection device provided by the utility model. The substation relay protection device includes: a protective box 1; the heat dissipation holes 2 are formed in the outer wall of one side of the protection box 1, the heat dissipation holes 2 are arranged in an inclined mode, and external dust and the like are more difficult to naturally enter the protection box 1; the L-shaped baffle 3 is fixedly arranged on the outer wall of one side of the protection box 1, and the L-shaped baffle 3 can block dirt in the external air to a certain extent and prevent the dirt and the like from entering the protection box 1; the connecting plate 4 is fixedly arranged at the top of the protective box 1, and an arc-shaped cover is arranged at the top of the connecting plate 4, so that the components such as a negative pressure fan 6 and a fan 23 mentioned below can be well protected, dirt accumulation is avoided, and the aging speed is reduced; the L-shaped pipe 5 is fixedly arranged in the protective box 1, and the arrangement of the L-shaped pipe 5 facilitates the purpose of accelerating heat dissipation by comprehensively blowing clean gas blown out subsequently; the negative pressure fan 6 is fixedly arranged at the top of the connecting plate 4; the box door 7 is hinged to the outer wall of one side of the protective box 1; the fixing pipe 8 is fixedly arranged at the top of the connecting plate 4, and one end, far away from the negative pressure fan 6, of the fixing pipe 8 is provided with an opening; the anti-blocking disc 9 is fixedly arranged in the fixed pipe 8, and the anti-blocking disc 9 is arranged to prevent the filter cotton 10 from being plugged into a first ventilation hole when a new filter cotton 10 mentioned below is plugged; the filter cotton 10, the filter cotton 10 is placed in the fixed tube 8, just one side outer wall of filter cotton 10 with the outer wall of one side of anti-clogging dish 9 contacts, and the filter cotton 10 can effectively absorb the steam, the dust etc. in the air.

In order to realize that filter pulp 10 is changed in subsequent dismouting of being convenient for, can form better sealed after changing simultaneously, ring channel 11 has been seted up on one side outer wall of fixed pipe 8, fixed mounting has sealed the pad 12 in the ring channel 11, and sealed setting of pad 12 can form better sealed to the sealed pipe 13 that mentions below and fixed pipe 8, avoids gas leakage or on the gas direct suction filter pulp 10 of not cooling down, the top slidable mounting of linking plate 4 has a seal pipe 13, the close by of seal pipe 13 the one end of negative pressure fan 6 is the opening, seal pipe 13 extends to in the ring channel 11 and with filter pulp 10 contacts, fixed cover is equipped with lagging 14 on the seal pipe 13, the top fixed mounting of fixed pipe 8 has a piece 15, screw rod 16 is installed to the screw thread on the piece 15, just the screw rod 16 is kept away from the one end of negative pressure fan 6 with lagging 14 rotates and is connected, the lead screw 16 plays a role in conveniently adjusting and controlling the separation and combination of the sealing pipe 13 and the fixed pipe 8, the purpose of conveniently replacing the filter cotton 10 is realized, the sealing pipe 13 and the fixed pipe 8 are stably connected in a sealing mode, the sealing pipe 13 is far away from one end of the negative pressure fan 6 is fixedly provided with the corrugated pipe 17.

In order to realize the extension of outside inspiratory air residence time, be convenient for carry out purification treatment again after effectively cooling down the outside air, the top fixed mounting of linkage plate 4 has box 18, bellows 17 is kept away from the one end of negative-pressure air fan 6 with one side outer wall fixed connection of box 18, fixed mounting has coiled pipe 19 in the box 18, and the setting of coiled pipe 19 can guarantee the extension of outside inspiratory air residence time, is convenient for effectively cool down the outside air, the equal fixed mounting in both ends of coiled pipe 19 has loudspeaker cover 20, and loudspeaker cover 20 is convenient for draw wind fast and exhaust air, through-hole 21 has been seted up at the top of box 18, the top fixed mounting of box 18 has the back-dump 22, just the top of back-dump 22 is the opening, fixed mounting has fan 23 in the back-dump 22.

In order to realize that the guide gas emits into, and can evenly blow in comparatively clean gas and accelerate radiating purpose, two fixed mounting has a plurality of nozzles on the L type pipe, fixed mounting has the air-supply line on negative-pressure air fan 6's the air intake, just the air-supply line with one side outer wall fixed connection of fixed pipe 8, fixed mounting has a tuber pipe on negative-pressure air fan 6's the air outlet, go out the tuber pipe with the top fixed connection of L type pipe.

In order to form a complete gas flow path, the outer walls of the fixing pipe 8 and the sealing pipe 13 are both provided with first vent holes, and the outer wall of the anti-blocking disc 9 is provided with a plurality of second vent holes.

In order to replace the filter cotton 10, the sealing pipe 13 can slide stably, a sliding groove is formed in the top of the connecting plate 4, a sliding block is arranged in the sliding groove in a sliding mode, a fixing rod is fixedly arranged in the sliding groove, and the fixing rod penetrates through the sliding block and is connected with the sliding block in a sliding mode.

In order to discharge the hot gas to the outside of the case 18, a third ventilation hole is opened at one end of the case 18, and a plurality of exhaust holes are opened on the case 18.

The working principle of the substation relay protection device provided by the utility model is as follows:

when the protective box is used, a temperature transmitter can be arranged in the protective box 1 for temperature monitoring, when the internal temperature of the protective box 1 is high or the external environment is poor, the negative pressure fan 6 and the fan 23 can be started to operate, the negative pressure fan 6 generates negative pressure, external air is sucked in through the horn cover 20, then passes through the coil pipe 19 and is cooled by the fan 23, then enters the sealing pipe 13 through the corrugated pipe 17 and is filtered through the filter cotton 10 on the fixed pipe 8, large-scale particle dirt, dust, water vapor and the like in the air are absorbed, cleaner gas is finally discharged into the L-shaped pipe 5, hot gas in the protective box 1 is blown, and the discharge of the hot gas from the plurality of heat dissipation holes 2 to the outside is accelerated;

when the filter pulp 10 is used for a long time and the filter pulp 10 needs to be replaced, the screw rod 16 is rotated, the sealing pipe 13 is driven to move, the sealing pipe 13 is moved out from the fixed pipe 8, a large gap is reserved after the sealing pipe is separated from the fixed pipe 8, the filter pulp 10 is taken out, the sealing pipe 13 and the fixed pipe 8 are plugged into a new filter pulp 10 to the anti-blocking disc 9, the screw rod 16 is reversely rotated in the same way, and the sealing pipe 13 and the fixed pipe 8 are connected in a sealing mode to complete the operation of replacing the filter assembly conveniently.

through the mutual matching of the protective box 1, the heat dissipation holes 2, the L-shaped baffle 3, the L-shaped pipe 5, the negative pressure fan 6, the fixed pipe 8, the anti-blocking disc 9, the filter cotton 10, the annular groove 11, the sealing gasket 12, the sealing pipe 13, the lead screw 16, the corrugated pipe 17, the coiled pipe 19, the fan 23 and the like, when the heat dissipation needs to be accelerated, the negative pressure fan 6 is started to generate negative pressure, external air is sucked into the coiled pipe 19, after the temperature is reduced through the fan 23, the air is filtered through the filter cotton 10 on the fixed pipe 8, large-scale particulate dirt, dust, water vapor and the like in the air are absorbed, cleaner gas is finally discharged into the L-shaped pipe 5, hot gas in the protective box 1 is blown, the hot gas is accelerated to be discharged outdoors from the plurality of heat dissipation holes 2, the cooling and purification of the external air can be realized while the heat dissipation is accelerated, meanwhile, the filter assembly needs to be replaced more conveniently, and the whole electronic element is protected more thoroughly, the use is safer.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A substation relay protection device is characterized by comprising:

a protective box;

the heat dissipation holes are formed in the outer wall of one side of the protection box;

the L-shaped baffle is fixedly arranged on the outer wall of one side of the protection box;

the connecting plate is fixedly arranged at the top of the protective box;

the L-shaped pipe is fixedly arranged in the protective box;

the negative pressure fan is fixedly arranged at the top of the connecting plate;

the box door is hinged to the outer wall of one side of the protection box;

the fixing pipe is fixedly arranged at the top of the connecting plate, and one end of the fixing pipe, far away from the negative pressure fan, is an opening;

the anti-blocking disc is fixedly arranged in the fixed pipe;

the filter cotton is placed in the fixed pipe, and the outer wall of one side of the filter cotton is in contact with the outer wall of one side of the anti-blocking disc.

2. The substation relay protection device according to claim 1, wherein an annular groove is formed in an outer wall of one side of the fixed pipe, a sealing gasket is fixedly installed in the annular groove, a sealing pipe is slidably installed at the top of the connecting plate, an opening is formed in one end, close to the negative pressure fan, of the sealing pipe, the sealing pipe extends into the annular groove and contacts with the filter cotton, a sleeve plate is fixedly sleeved on the sealing pipe, a support block is fixedly installed at the top of the fixed pipe, a lead screw is installed on the support block in a threaded manner, one end, away from the negative pressure fan, of the lead screw is rotatably connected with the sleeve plate, and a corrugated pipe is fixedly installed at one end, away from the negative pressure fan, of the sealing pipe.

3. The substation relay protection device according to claim 2, wherein a box body is fixedly mounted at the top of the connection plate, one end of the corrugated pipe, which is far away from the negative pressure fan, is fixedly connected with an outer wall of one side of the box body, a coiled pipe is fixedly mounted in the box body, horn covers are fixedly mounted at two ends of the coiled pipe, a through hole is formed in the top of the box body, a reverse hopper is fixedly mounted at the top of the box body, the top of the reverse hopper is an opening, and a fan is fixedly mounted in the reverse hopper.

4. The substation relay protection device according to claim 1, wherein a plurality of nozzles are fixedly mounted on two of the L-shaped tubes, an air inlet tube is fixedly mounted on an air inlet of the negative pressure fan, the air inlet tube is fixedly connected with an outer wall of one side of the fixed tube, an air outlet tube is fixedly mounted on an air outlet of the negative pressure fan, and the air outlet tube is fixedly connected with a top of the L-shaped tube.

5. The substation relay protection device according to claim 2, wherein the fixed pipe and the sealing pipe are both provided with a first vent hole on one outer wall thereof, and the anti-blocking disc is provided with a plurality of second vent holes on one outer wall thereof.

6. The substation relay protection device according to claim 2, wherein a sliding groove is formed in the top of the connection plate, a sliding block is slidably mounted in the sliding groove, a fixed rod is fixedly mounted in the sliding groove, and the fixed rod penetrates through the sliding block and is slidably connected with the sliding block.

7. The substation relay protection device according to claim 3, wherein a third vent hole is formed in one end of the box body, and a plurality of vent holes are formed in the box body.