CN219268283U

CN219268283U - Rail transit power supply switch cabinet

Info

Publication number: CN219268283U
Application number: CN202320274212.3U
Authority: CN
Inventors: 陈熙昊; 王乾; 吴可伟; 李辉; 崔海明; 姚贞燕
Original assignee: Jiangsu Chenda Electric Co ltd
Current assignee: Jiangsu Chenda Electric Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-27
Anticipated expiration: 2033-02-21

Abstract

The application relates to the technical field of power supply switch cabinets, in particular to a rail transit power supply switch cabinet, which comprises: the switch cabinet comprises a switch cabinet main body, a feeder switch and a control unit, wherein a mounting cavity is formed for mounting the feeder switch, an air outlet is formed in the inner wall of the mounting cavity, and the air outlet penetrates through the mounting cavity and is communicated with the outside air; the temperature sensors are arranged in the mounting cavity at intervals and used for detecting the feeder switch temperature in the corresponding area; and the air blowing device slides on the inner wall of the mounting cavity, and when the temperature sensor detects that the feeder switch temperature of the corresponding area is too high, the air blowing device is controlled to blow air towards the corresponding area. This application has and slides to corresponding overheated regional adjacent position back through blast apparatus, carries out the accuracy to overheated region and bloies to improve overheated regional radiating effect, make feeder switch be difficult for being in overheated state work, thereby increase of service life's effect.

Description

Rail transit power supply switch cabinet

Technical Field

The application relates to the technical field of power supply switch cabinets, in particular to a rail transit power supply switch cabinet.

Background

The feeder switch cabinet is a part of devices for distributing electric energy of a traction power supply system in rail transit.

In the related art, a mounting cavity is formed in a feeder switch cabinet for mounting a feeder switch, and because the number of the feeder switch cabinets is relatively large, the mounting cavity is generally divided into an upper layer and a lower layer, the feeder switch cabinet can emit certain heat during operation, and particularly when the load power of the internal feeder switch is large, the temperature rise is easy to cause and is fast, and the feeder switch cabinet is generally provided with corresponding radiating holes for radiating the heat of the feeder switch.

Aiming at the related technology, when the heat is dissipated through the heat dissipation holes, the feeder switch with higher temperature cannot be cooled down rapidly, so that the feeder switch with higher temperature cannot work at good temperature, and the normal service life of the feeder switch is not prolonged.

Disclosure of Invention

In order to accurately cool down a feeder switch which generates heat quickly in time so as to prolong the service life of the feeder switch, the application provides a rail transit power supply switch cabinet.

The application provides a rail transit power supply switch cabinet adopts following technical scheme:

a rail transit power switch cabinet comprising:

the switch cabinet comprises a switch cabinet main body, a feeder switch and a control unit, wherein a mounting cavity is formed for mounting the feeder switch, an air outlet is formed in the inner wall of the mounting cavity, and the air outlet penetrates through the mounting cavity and is communicated with the outside air;

the temperature sensors are arranged in the mounting cavity at intervals and used for detecting the feeder switch temperature in the corresponding area;

and the air blowing device slides on the inner wall of the mounting cavity, and when the temperature sensor detects that the feeder switch temperature of the corresponding area is too high, the air blowing device is controlled to blow air towards the corresponding area.

Through adopting above-mentioned technical scheme, temperature sensor carries out temperature detection to the feeder switch in the different regions, and when the overload operation appears in the feeder switch in corresponding region and arouses the high temperature, control blast apparatus is bloied towards corresponding region to improve the feeder switch radiating effect in corresponding region, make the feeder switch be difficult for overheated and appear ageing, increase of service life.

Optionally, the device further comprises a lifting assembly, wherein the lifting assembly comprises a sliding rail and a sliding block, the sliding block is in meshed transmission with the sliding rail, and the sliding block is connected with the blowing device and used for driving the blowing device to move to a region with a corresponding excessive temperature for blowing.

Through adopting above-mentioned technical scheme, slide rail and slider mutually support to when realizing that the slider slides, drive the blast apparatus who locates on the slider and remove, so that blast apparatus can blow the heat dissipation to overheated region.

Optionally, the slider is towards the fixed spout that inlays that is equipped with of lateral wall of sliding rail, inlays and establishes the spout and supply the sliding rail embeds and slides, be provided with servo motor on the slider, servo motor with the sliding rail transmission is connected.

Through adopting above-mentioned technical scheme, slide the rail embedding and slide in inlaying and establish the spout, inlay establish spout inner wall and the lateral wall mutually spacing of slider under for when sliding through the transmission connection between slider and the rail that slides, be difficult for taking place earlier to the separation, carry out the transmission connection through servo motor and the rail that slides simultaneously, with order to order about the slider to move to adjacent overheated regional one side, supply blast apparatus to blow the heat dissipation.

Optionally, the blowing device includes driving fan and first bellows, first bellows one end with driving fan intercommunication, first bellows other end with the slider can dismantle the connection.

Through adopting above-mentioned technical scheme, drive fan and first bellows cooperation to realize carrying out the transmission with flowing gas, thereby carry out the heat dissipation under the guide slip of slider towards overheated region and handle.

Optionally, the fire extinguishing system further comprises a gas fire extinguishing assembly, the gas fire extinguishing assembly comprises a fire extinguishing device and a second corrugated pipe, the fire extinguishing device is fixedly connected with the switch cabinet main body, one end of the second corrugated pipe is communicated with the fire extinguishing device, the other end of the second corrugated pipe is fixedly connected with the sliding block, and when the temperature sensor detects that the feeder switch temperature is greater than the reference temperature, the fire extinguishing device is controlled to spray carbon dioxide to a corresponding area.

Through adopting above-mentioned technical scheme, extinguishing device is through cooperating with second bellows, slider to carry out carbon dioxide to the feeder switch in the area of taking place to fire and spray, reduce the probability that takes place to catch fire because of feeder switch overload.

Optionally, the slider is seted up and is inlayed the hole, inlay the quantity of establishing the hole and be provided with two, two inlay and establish the hole and supply respectively first bellows the tip of second bellows can dismantle the grafting.

Through adopting above-mentioned technical scheme, first bellows and second bellows are pegged graft through establishing the hole with inlaying to realize dismantling and connect, and dismantle the mounting means simple, help improving the installation effectiveness of first bellows and second bellows.

Optionally, the lateral wall of cubical switchboard main part is fixed to be equipped with the butt piece, and the groove has been seted up to the butt piece, it has the filter to inlay to establish the inslot grafting, the filter lid in the opening part of apopore for filter the foreign matter and get into in the installation cavity.

Through adopting above-mentioned technical scheme, when the filter covers the air outlet to filter the foreign matter, reduce the foreign matter and get into inside bad probability that causes the contact, the filter can peg graft with inlaying the groove simultaneously, and the filter of being convenient for need dismantle when clearing up.

Optionally, the filter towards the lateral wall of cubical switchboard main part is fixed to be equipped with elasticity butt piece, the filter peg graft in inlay and establish the inslot, elasticity butt piece with the lateral wall of cubical switchboard main part extrudees each other.

Through adopting above-mentioned technical scheme, elasticity butt piece has increased the filter peg graft in inlaying the inslot, with the frictional force between the cubical switchboard main part for be difficult for taking place relative slip between filter plate and the cubical switchboard main part, improve the stability of closing of concern board to the apopore.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the temperature sensor detects the temperature of the feeder switch in different areas, and when the feeder switch in the corresponding area is overloaded to cause the overhigh temperature, the air blowing device is controlled to blow air towards the corresponding area, so that the heat dissipation effect of the feeder switch in the corresponding area is improved, the feeder switch is not easy to overheat to age, and the service life is prolonged;

2. the fire extinguishing device is matched with the second corrugated pipe and the sliding block to spray carbon dioxide to the feeder switch in the ignition area, so that the probability of ignition caused by overload of the feeder switch is reduced;

3. when the elastic abutting piece increases the friction force between the filter plate and the switch cabinet main body when the filter plate is inserted into the embedded groove, the filter plate and the switch cabinet main body are not easy to slide relatively, and the covering stability of the concern plate to the air outlet is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a rail transit power supply switch cabinet in the present application.

Fig. 2 is a partial installation structure diagram of the main body of the switch cabinet and the filter board in the present application.

Fig. 3 is a schematic view of a part of the structure of the switch cabinet body, the lifting assembly and the feeder switch in the present application.

Fig. 4 is a partial exploded view of the glide track and slider of the present application.

Fig. 5 is a partial side view exploded view of the glide track and slider of the present application.

Fig. 6 is a cross-sectional view taken along the direction A-A in fig. 3.

Fig. 7 is a partial installation structure diagram of the filter board and the switch cabinet main body in the present application.

Fig. 8 is a partial exploded view of the filter panel and the switch cabinet body of the present application.

Reference numerals illustrate: 1. a switch cabinet body; 11. a mounting cavity; 12. an air outlet hole; 13. a partition plate; 131. a relief hole; 2. a temperature sensor; 3. a blowing device; 31. driving a fan; 32. a first bellows; 4. a feeder switch; 5. a lifting assembly; 51. a slip rail; 511. a transmission groove; 512. meshing teeth; 52. a slide block; 521. a chute is embedded; 522. embedding holes; 53. a limiting block; 54. a servo motor; 55. a transmission gear; 6. a gas fire suppression assembly; 61. a fire extinguishing device; 62. a second bellows; 7. an abutment block; 71. a groove is embedded; 8. a filter plate; 81. a filter hole; 82. and the elastic abutting piece.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8. In this embodiment, the direction indicated by the z-axis of the coordinate axis is taken as the upper direction, the direction opposite to the z-axis is taken as the lower direction, the direction indicated by the x-axis is taken as the left direction, the direction opposite to the x-axis is taken as the right direction, the direction indicated by the y-axis is taken as the front direction, and the direction opposite to the y-axis is taken as the rear direction.

The embodiment of the application discloses a rail transit power supply switch cabinet. Referring to fig. 1 and 2, the rail transit power supply switch cabinet comprises a switch cabinet main body 1, temperature sensors 2 and a blowing device 3, wherein a mounting cavity 11 is formed in the front side wall of the switch cabinet, a feeder switch 4 is fixedly arranged in the mounting cavity 11, an air outlet 12 is formed in the inner wall of the rear side of the switch cabinet before mounting, the air outlet 12 is communicated with the outside to disperse heat, the temperature sensors 2 are fixedly connected with the inner wall of the mounting cavity 11 and are arranged at equal intervals along the vertical direction, the temperature sensors 2 are used for detecting the temperature of the feeder switch 4 in areas corresponding to different heights, the blowing device 3 is glidingly connected in the mounting cavity 11, when the detected temperature is higher than a preset value, the blowing device 3 is controlled to cool the relevant area, so that the feeder switch 4 in a overheat area is cooled, the feeder switch 4 is reduced, ageing is not easy to occur due to working in an overheat state, and the service life is prolonged.

Referring to fig. 2-4, the inner wall of the installation cavity 11 is fixedly provided with a partition plate 13, the partition plate 13 divides the installation cavity 11 into an upper part and a lower part, the upper surface, close to the left side, of the partition plate 13 is provided with a yielding hole 131, the yielding hole 131 penetrates through the upper surface and the lower surface of the partition plate 13, the right side wall of the installation cavity 11 is fixedly provided with a lifting assembly 5, the lifting assembly 5 comprises a sliding rail 51 and a sliding block 52, the sliding rail 51 extends in the vertical direction, the yielding hole 131 is used for the sliding rail 51 to penetrate through, an embedded sliding groove 521 is formed in the left side wall of the sliding block 52, the front side wall and the rear side wall of the sliding rail 51 are fixedly connected with limiting blocks 53, when the sliding rail 51 is inserted into the embedded sliding groove 521, the limiting blocks 53 are in fit with the front side wall and the rear side wall of the embedded sliding groove 521, the inner wall of the embedded sliding groove 521 and the limiting blocks 53 form mutual limiting in the left horizontal direction, and the sliding block 52 and the sliding rail 51 are not easy to separate when sliding relatively.

Referring to fig. 4 and 5, a servo motor 54 is fixedly arranged at the bottom of the embedded chute 521, the servo motor 54 is in signal connection with the temperature sensor 2 to receive a servo control signal, an output shaft of the servo motor 54 extends towards the left side, a transmission gear 55 is fixedly connected with the output shaft of the servo motor 54, a transmission groove 511 is formed in the right side wall of the sliding rail 51, meshing teeth 512 are fixedly arranged on the inner wall of the transmission groove 511, and the meshing teeth 512 and the transmission gear 55 form meshing transmission. When the temperature sensor 2 detects that the temperature in the corresponding area is too high, the servo motor 54 is controlled to rotate correspondingly, so that the sliding block 52 is driven to slide to the side adjacent to the overheating area, and the blowing device 3 performs blowing and heat dissipation on the overheating area. A control chip is connected between the temperature sensor 2 and the servo motor 54 to realize rotation control of the servo motor 54, and rotation control of the servo motor 54 by the control chip is in the prior art in the field, so that detailed description is not repeated in this embodiment.

Referring to fig. 1 and 5-6, the blower 3 includes a driving fan 31 and a first bellows 32, the driving fan 31 is fixedly connected to a rear sidewall of the blower 3, one end of the first bellows 32 is in sealing connection with an air outlet of the driving fan 31, the other end of the first bellows 32 is fixedly connected with a slider 52, and when the slider 52 moves, the end of the first bellows 32 is driven to move synchronously.

Referring to fig. 6, the switch cabinet body 1 is further provided with a gas fire extinguishing assembly 6, the gas fire extinguishing assembly 6 includes a fire extinguishing device 61 and a second bellows 62, the fire extinguishing device 61 is a small-sized carbon dioxide fire extinguisher, the fire extinguishing device 61 is disposed on a rear side wall of the switch cabinet body 1, one end of the second bellows 62 is in airtight connection with the fire extinguishing device 61, and the other end of the second bellows 62 is fixedly connected with the sliding block 52.

Referring to fig. 5 and 6, in order to facilitate connection and installation of the first bellows 32 and the second bellows 62 with the slider 52, an embedded hole 522 is formed in the rear side wall of the slider 52, the embedded hole 522 is bent and formed towards the right side, the embedded hole 522 communicates the rear side wall and the right side wall of the slider 52, two embedded holes 522 are formed in number, the two embedded holes 522 are respectively used for plugging the first bellows 32 and the second bellows 62, and the end parts of the first bellows 32 and the second bellows 62 extend from the right side of the slider 52 towards the feeder switch 4.

Referring to fig. 7 and 8, the rear side of the switch cabinet body 1 is fixedly connected with an abutting block 7, the abutting block 7 is provided with an embedded groove 71, the notch of the embedded groove 71 is opened towards the upper side, the embedded groove 71 is embedded with a filter plate 8, the filter plate 8 opens and closes the air outlet 12, the filter plate 8 is provided with a plurality of filter holes 81, the filter holes 81 penetrate through the front side wall and the rear side wall of the filter plate 8, and the adjacent holes are arranged at intervals, so that the filter plate 8 can filter foreign matters entering the air outlet 12 and simultaneously can realize heat dissipation.

Referring to fig. 8, an elastic abutment piece 82 is fixedly provided on the front side wall of the filter plate 8 near the upper side, the elastic abutment piece 82 has elastic deformation capability, and when the filter plate 8 is inserted into the embedded groove 71, the elastic abutment piece 82 and the rear side wall of the switch cabinet body 1 are mutually pressed to improve the friction force between the filter plate 8 and the switch cabinet body 1, so that the filter plate 8 can keep shielding and filtering the air outlet 12 under the condition of non-manual movement.

The implementation principle of the rail transit power supply switch cabinet provided by the embodiment of the application is as follows: by installing the temperature sensor 2 on the adjacent side of the areas corresponding to the feeder switches 4, when the feeder switches 4 in the corresponding areas are overloaded to heat up faster, the servo motor 54 drives the sliding block 52 to move to the adjacent side of the overheat areas, and drives the fan 31 to transfer flowing gas into the overheat areas through the first corrugated pipe 32, so that the heat dissipation rate is accelerated, the feeder switches 4 are not easy to age due to working at the overheat temperature, and the service life is prolonged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a rail transit power supply cubical switchboard which characterized in that: comprising the following steps:

the switch cabinet comprises a switch cabinet main body (1), wherein a mounting cavity (11) is formed for mounting a feeder switch (4), an air outlet hole (12) is formed in the inner wall of the mounting cavity (11), and the air outlet hole (12) penetrates through the mounting cavity (11) to be communicated with the outside air;

the temperature sensors (2) are arranged in a plurality, and the temperature sensors (2) are arranged in the mounting cavity (11) at intervals and are used for detecting the temperature of the feeder switch (4) in the corresponding area;

and the blowing device (3) slides on the inner wall of the mounting cavity (11), and when the temperature sensor (2) detects that the temperature of the feeder switch (4) in the corresponding area is too high, the blowing device (3) is controlled to blow towards the corresponding area.

2. A rail transit power supply switchgear as claimed in claim 1, wherein: the novel air conditioner is characterized by further comprising a lifting assembly (5), wherein the lifting assembly (5) comprises a sliding rail (51) and a sliding block (52), the sliding block (52) is in meshed transmission with the sliding rail (51), and the sliding block (52) is connected with the air blowing device (3) and used for driving the air blowing device (3) to move to a region with an excessively high corresponding temperature for blowing.

3. A rail transit power supply switchgear as claimed in claim 2, wherein: the sliding block (52) is fixedly provided with an embedded sliding groove (521) towards the side wall of the sliding rail (51), the embedded sliding groove (521) is used for embedding and sliding the sliding rail (51), the sliding block (52) is provided with a servo motor (54), and the servo motor (54) is in transmission connection with the sliding rail (51).

4. A rail transit power supply switchgear as claimed in claim 2, wherein: the blowing device (3) comprises a driving fan (31) and a first corrugated pipe (32), one end of the first corrugated pipe (32) is communicated with the driving fan (31), and the other end of the first corrugated pipe (32) is detachably connected with the sliding block (52).

5. A rail transit power supply switchgear as claimed in claim 4, wherein: still include gaseous fire extinguishing components (6), gaseous fire extinguishing components (6) include extinguishing device (61) and second bellows (62), extinguishing device (61) with cubical switchboard main part (1) are connected fixedly, second bellows (62) one end with extinguishing device (61) intercommunication, second bellows (62) other end with slider (52) fixed connection, work as when temperature sensor (2) detects feeder switch (4) temperature and is greater than reference temperature, control extinguishing device (61) are to corresponding regional blowout carbon dioxide.

6. A rail transit power supply switchgear as claimed in claim 5, wherein: the slider (52) is provided with embedded holes (522), two embedded holes (522) are arranged, and the two embedded holes (522) are respectively used for detachably inserting the ends of the first corrugated pipe (32) and the second corrugated pipe (62).

7. The rail transit power supply switchgear of claim 6, wherein: the switch cabinet is characterized in that an abutting block (7) is fixedly arranged on the outer side wall of the switch cabinet body (1), an embedded groove (71) is formed in the abutting block (7), a filter plate (8) is inserted into the embedded groove (71), the filter plate (8) covers the opening of the air outlet hole (12) and is used for filtering foreign matters to enter the installation cavity (11).

8. The rail transit power supply switchgear of claim 7 wherein: the filter (8) is fixedly provided with an elastic supporting piece (82) towards the side wall of the switch cabinet main body (1), and when the filter (8) is inserted into the embedded groove (71), the elastic supporting piece (82) and the side wall of the switch cabinet main body (1) are mutually extruded.