CN210380237U

CN210380237U - Direct current traction substation relay protection device

Info

Publication number: CN210380237U
Application number: CN201921586150.XU
Authority: CN
Inventors: 李家赫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-21
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a relay protection technical field just discloses a direct current pulls electric substation relay protection device, including relay protection ware, relay protection ware's front side and the front side joint of base, the middle part of base upper surface and the bottom fixed connection of handle, evenly be provided with four group's crashproof angles around the base, crashproof angle and base fixed connection, the rear side at crashproof angle is seted up and is equipped with the fixed slot. This direct current pulls electric substation relay protection device through the cooperation of four group's guide blocks and four group's draw-in grooves for relay protection device is elastic connection all around, has reduced relay protection device because of the damage that the collision caused, through gasbag and relay protection device's cooperation, has improved direct current and has pulled electric substation relay protection device's shock attenuation effect, makes relay protection device's security higher, through the cooperation of crossing line hole and connector lug, has improved the convenience that the device used.

Description

Direct current traction substation relay protection device

Technical Field

The utility model relates to a relay protection technical field specifically is a direct current pulls electric substation relay protection device.

Background

The relay protection device is an automatic device which reflects the fault or abnormal operation state of electrical components in a power system and acts on a breaker to trip or send a signal, the direct current traction power supply voltage is low, and the short-circuit current has great harm to equipment when short circuit occurs, so the relay protection device is required to be used for protecting the direct current traction power supply. A general relay protection device of a direct current traction substation comprises a shell and a plurality of groups of electric elements, wherein all the elements in the shell are in rigid connection. The direct current traction substation relay protection device on the current market is weak in anti-seismic performance, and the direct current traction substation relay protection device is poor in heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a direct current pulls electric substation relay protection device has solved the direct current on the existing market and has pulled electric substation relay protection device anti-seismic performance less than, and the direct current pulls electric substation relay protection device's the relatively poor problem of radiating effect.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct current pulls electric substation relay protection device, includes relay protection ware, relay protection ware's front side and the front side joint of base, the middle part of base upper surface and the bottom fixed connection of handle, evenly be provided with four group's anti-collision angle all around of base, anti-collision angle and base fixed connection, the fixed slot has been seted up to the rear side at anti-collision angle, the inside wall of fixed slot and the surface joint of fixed block, four groups the rear side of fixed block all with the positive fixed connection of first apron, four group's draw-in grooves have evenly been seted up all around of relay protection ware, the inside wall of draw-in groove and the one side joint that the guide block is close to relay protection ware, four groups one side of keeping away from relay protection ware in the guide block respectively with four group's inside wall fixed connection of base, the rear end of draw-in groove and the surface joint of fixture block, four groups the fixture block is located left fixture block rear side and the two groups of fixing seats are symmetrically distributed by taking a vertical plane where the center of the relay protector is positioned as a central plane, the inner side walls of the two groups of fixing seats are respectively clamped with the left side and the right side of the outer surface of the air bag, the rear sides of the clamping blocks positioned at the top and the rear sides of the clamping blocks positioned at the bottom in the four groups of clamping blocks are respectively and fixedly connected with the top of the front surface and the bottom of the front surface of the fixing plate, the middle part of the fixed plate and the middle part of the first cover plate are both provided with wire passing holes, the rear side of the relay protector is provided with a connector lug, the connector lug is positioned right in front of the wire passing hole, two groups of cooling boxes are clamped at the top and the bottom in the base, the back and the second apron joint of cooling box, four groups lie in two sets of cooling box tops at the top and lie in the equal fixedly connected with multiunit fin of two sets of cooling boxes of bottom in the cooling box, the multiunit the fin passes the top and the bottom of base.

Preferably, the shape of guide piece is "T" shape, and the guide piece is the elasticity block rubber, and four groups lie in the guide piece on left and lie in the guide piece on right side distance between the guide piece slightly be less than relay protection's width, four groups lie in the guide piece on top and lie in the guide piece of bottom distance slightly be less than relay protection's height.

Preferably, the outer layer of the anti-collision angle is elastic rubber, the inner layer of the anti-collision angle is plastic alloy, and the outer surface of the base is provided with a wear-resistant layer.

Preferably, the shape of gasbag is annular, and the length and the width of gasbag inboard respectively with cross the length and the width looks adaptation of line hole, the bottom of gasbag is provided with the inflation mouth.

Preferably, the cooling box is a copper-aluminum alloy box, cooling liquid is arranged inside the cooling box, and the plurality of groups of cooling fins are all aluminum alloys.

Preferably, the outer surface of the handle is provided with anti-slip lines, and the surface of the first cover plate is provided with honeycomb-shaped heat dissipation holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a direct current pulls electric substation relay protection device possesses following beneficial effect:

1. this direct current pulls electric substation relay protection device through the cooperation of four group's guide blocks and four group's draw-in grooves for relay protection device is elastic connection all around, has reduced relay protection device because of the damage that the collision caused, through gasbag and relay protection device's cooperation, has improved direct current and has pulled electric substation relay protection device's shock attenuation effect, makes relay protection device's security higher, through the cooperation of crossing line hole and connector lug, has improved the convenience that the device used.

2. This direct current pulls electric substation relay protection device is provided with cooling box all around through being provided with in the base to and be provided with the coolant liquid in the cooling box, improved direct current and pull electric substation relay protection device's heat dispersion, through the cooperation of cooling box and multiunit fin, and cellular louvre has been seted up to first apron, improved direct current and pull electric substation relay protection device's inside thermal derivation speed.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

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

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

fig. 4 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a relay protector; 2. a base; 3. a handle; 4. an anti-collision angle; 5. a first cover plate; 6. a card slot; 7. fixing grooves; 8. a fixed block; 9. a heat sink; 10. a guide block; 11. a clamping block; 12. a fixed seat; 13. an air bag; 14. a fixing plate; 15. a wire passing hole; 16. a connector lug; 17. a cooling box; 18. and a second cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a relay protection device of a direct current traction substation comprises a relay protector 1, wherein the front side of the relay protector 1 is clamped with the front side of a base 2, the middle part of the upper surface of the base 2 is fixedly connected with the bottom of a handle 3, anti-skidding lines are arranged on the outer surface of the handle 3, four groups of anti-collision corners 4 are uniformly arranged around the base 2, the outer layers of the anti-collision corners 4 are made of elastic rubber, the inner layers of the anti-collision corners 4 are made of plastic alloy, the outer surface of the base 2 is provided with a wear-resistant layer, the anti-collision corners 4 are fixedly connected with the base 2, a fixing groove 7 is arranged on the rear side of each anti-collision corner 4, the inner side walls of the fixing grooves 7 are clamped with the outer surface of a fixing block 8, the rear sides of the four groups of fixing blocks 8 are fixedly connected with the front surface of a first cover plate 5, honeycomb-shaped heat dissipation holes are formed in the surface of the first, one side of the four groups of guide blocks 10 far away from the relay protector 1 is fixedly connected with four groups of inner side walls of the base 2 respectively, the guide blocks 10 are in a T shape, the guide blocks 10 are elastic rubber blocks, the distance between the guide blocks 10 on the left side and the guide blocks 10 on the right side in the four groups of guide blocks 10 is slightly smaller than the width of the relay protector 1, the distance between the guide blocks 10 on the top and the guide blocks 10 on the bottom in the four groups of guide blocks 10 is slightly smaller than the height of the relay protector 1, the periphery of the relay protector 1 is elastically connected through the matching of the four groups of guide blocks 10 and the four groups of clamping grooves 6, the damage of the relay protector 1 caused by collision is reduced, the rear end of each clamping groove 6 is clamped with the outer surface of the clamping block 11, and the rear sides of the clamping blocks 11 on the left side and the clamping blocks 11 on the right side in the, two groups of fixed seats 12 are symmetrically distributed by taking a vertical plane of a center of the relay protector 1 as a central plane, the inner side walls of the two groups of fixed seats 12 are respectively clamped with the left side and the right side of the outer surface of an air bag 13, the shape of the air bag 13 is annular, the length and the width of the inner side of the air bag 13 are respectively matched with the length and the width of a wire passing hole 15, the bottom of the air bag 13 is provided with an inflating port, the damping effect of the relay protector of the direct current traction substation is improved by matching the air bag 13 with the relay protector 1, so that the safety of the relay protector 1 is higher, the rear sides of clamping blocks 11 positioned at the top and the rear sides of clamping blocks 11 positioned at the bottom in the four groups of clamping blocks 11 are respectively fixedly connected with the top and the bottom of the front of a fixed plate 14, the wire passing holes 15 are respectively formed in the middle of the fixed plate 14 and the middle of a first cover plate, the convenience of the device is improved by matching the wire passing hole 15 with the connector lug 16, two groups of cooling boxes 17 are clamped at the top and the bottom in the base 2, the back surfaces of the cooling boxes 17 are clamped with the second cover plate 18, the top of the two groups of cooling boxes 17 positioned at the top and the two groups of cooling boxes 17 positioned at the bottom in the four groups of cooling boxes 17 are fixedly connected with a plurality of groups of radiating fins 9, the plurality of groups of radiating fins 9 penetrate through the top and the bottom of the base 2, the cooling boxes 17 are copper-aluminum alloy boxes, cooling liquid is arranged in the cooling boxes 17, and the plurality of groups of radiating fins 9 are all aluminum alloy, the peripheral cooling box 17 is arranged in the base 2, and the cooling liquid is arranged in the cooling box 17, so that the heat dissipation performance of the relay protection device of the direct current traction substation is improved, through the cooperation of cooling box 17 and multiunit fin 9 to and first apron 5 has seted up honeycomb louvre, improved the inside thermal derivation speed of direct current traction substation relay protection device.

The working principle is as follows: when the direct current pulls electric substation relay protection device and bumps, the guide block 10 that lies in left side and the guide block 10 that lies in the right side in four groups of guide blocks 10 can be to relay protection device 1's the shock attenuation of squinting about, the guide block 10 that lies in the top and the guide block 10 that lies in the bottom in four groups of guide blocks 10 can be to relay protection device 1's upper and lower skew shock attenuation, gasbag 13 can carry out the shock attenuation to relay protection device 1 backward squinting through its inside gas that is full of, the coolant liquid absorption heat in the cooling box 17 volatilizees, and derive the heat through multiunit fin 9, and then dispel the heat to relay protection device.

In summary, in the relay protection device for the dc traction substation, by matching the four sets of guide blocks 10 with the four sets of slots 6, the periphery of the relay protector 1 is elastically connected, the damage of the relay protector 1 caused by collision is reduced, the matching of the air bag 13 and the relay protector 1 improves the damping effect of the relay protector of the direct current traction substation, so that the safety of the relay protector 1 is higher, the use convenience of the device is improved through the matching of the wire through hole 15 and the connector lug 16, and the peripheral cooling box 17 is arranged in the base 2, and the cooling box 17 is internally provided with cooling liquid, thus improving the heat dissipation performance of the relay protection device of the direct current traction substation, through the cooperation of cooling box 17 and multiunit fin 9 to and first apron 5 has seted up honeycomb louvre, improved the inside thermal derivation speed of direct current traction substation relay protection device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current draws electric substation relay protection device, includes relay protection ware (1), its characterized in that: the front side of relay protector (1) and the front side joint of base (2), the middle part of base (2) upper surface and the bottom fixed connection of handle (3), evenly be provided with four group's anti-collision angle (4) around base (2), anti-collision angle (4) and base (2) fixed connection, fixed slot (7) have been seted up to the rear side of anti-collision angle (4), the inside wall of fixed slot (7) and the surface joint of fixed block (8), four groups the rear side of fixed block (8) all with the positive fixed connection of first apron (5), four groups draw-in groove (6) have evenly been seted up all around relay protector (1), the inside wall and the one side joint that guide block (10) are close to relay protector (1), four groups one side of keeping away from relay protector (1) in guide block (10) respectively with four groups fixed connection of the inside wall of base (2), the rear end of the clamping groove (6) is connected with the outer surface of the clamping block (11) in a clamping mode, the rear sides of the clamping blocks (11) on the left side and the clamping blocks (11) on the right side in the clamping blocks (11) are fixedly connected with the outer side wall of the fixing seat (12), the fixing seat (12) is symmetrically distributed by taking a vertical plane where the center of the relay protector (1) is located as a central plane, the inner side walls of the fixing seat (12) are connected with the left side and the right side of the outer surface of the air bag (13) in a clamping mode respectively, the rear sides of the clamping blocks (11) on the top and the clamping blocks (11) on the bottom in the four clamping blocks (11) are fixedly connected with the front top and the front bottom of the fixing plate (14) respectively, the line passing holes (15) are formed in the middle of the fixing plate (14) and the middle of the first cover plate (5), and the rear side, the connector lug (16) is located the dead ahead of crossing line hole (15), the equal joint in top and bottom has two sets of cooling box (17) in base (2), the back and second apron (18) joint of cooling box (17), four groups lie in two sets of cooling box (17) tops of top and two sets of equal fixedly connected with multiunit fin (9) of cooling box (17) that lie in the bottom in cooling box (17), multiunit top and bottom that base (2) were passed in fin (9).

2. The direct current traction substation relay protection device according to claim 1, characterized in that: the shape of guide piece (10) is "T" shape, and guide piece (10) are elastic rubber piece, four groups the distance that lies in between left guide piece (10) and guide piece (10) that lie in the right side in guide piece (10) slightly is less than relay protection ware (1) width, four groups the distance that lies in between guide piece (10) at top and the guide piece (10) that lie in the bottom in guide piece (10) slightly is less than relay protection ware (1) height.

3. The direct current traction substation relay protection device according to claim 1, characterized in that: the outer layer of each anti-collision angle (4) is made of elastic rubber, the inner layer of each anti-collision angle (4) is made of plastic alloy, and the outer surface of the base (2) is provided with a wear-resistant layer.

4. The direct current traction substation relay protection device according to claim 1, characterized in that: the shape of gasbag (13) is the annular, and length and the width of gasbag (13) inboard respectively with cross the length and the width looks adaptation of line hole (15), the bottom of gasbag (13) is provided with the gas vent.

5. The direct current traction substation relay protection device according to claim 1, characterized in that: the cooling box (17) is a copper-aluminum alloy box, cooling liquid is arranged inside the cooling box (17), and the plurality of groups of cooling fins (9) are all made of aluminum alloy.

6. The direct current traction substation relay protection device according to claim 1, characterized in that: the outer surface of the handle (3) is provided with anti-skid grains, and the surface of the first cover plate (5) is provided with honeycomb-shaped heat dissipation holes.