CN211239036U

CN211239036U - Power distribution cabinet

Info

Publication number: CN211239036U
Application number: CN202020100129.0U
Authority: CN
Inventors: 冯达洲; 李启仁; 王杰
Original assignee: Wenzhou Kangda Complete Electric Equipment Co ltd
Current assignee: Wenzhou Kangda Complete Electric Equipment Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-11
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to the technical field of distribution equipment, and discloses a power distribution cabinet, which comprises a cabinet body and a cabinet door which are hinged and connected, wherein a plurality of heat dissipation holes are respectively arranged on two opposite side walls of the cabinet body, a connecting rod is fixed on the inner wall of the cabinet body, one end of the connecting rod, which is far away from the inner wall of the cabinet body, is hinged with a mounting plate, and a heat dissipation piece is arranged on the mounting plate; the heat dissipation piece is including fixing the servo motor on the mounting panel and with servo motor's output shaft fixed connection's radiator fan, be connected with on the cabinet body and be used for driving mounting panel pivoted driving piece, all be connected with the cooling tube on the roof of the cabinet body and two lateral walls that are equipped with the louvre, the cooling tube is filled with the coolant liquid. The utility model discloses have the effect that the radiating efficiency is high, internal electronic component of cabinet is difficult for burning out.

Description

Power distribution cabinet

Technical Field

The utility model belongs to the technical field of distribution equipment's technique and specifically relates to a switch board is related to.

Background

The power distribution cabinet is a general name of a motor control center, is used in occasions with dispersed loads and less loops, is used for protecting, monitoring and controlling the loads, is divided into a power distribution cabinet, a lighting distribution cabinet, a metering cabinet and the like, and is a final-stage device of a power distribution system.

In the prior art, chinese patent with publication number CN202333519U discloses a power distribution cabinet, which comprises a top cover, wherein the top cover is provided with a plurality of heat dissipation through holes, and the top cover is further provided with at least one hanging ring. The heat in the power distribution cabinet can be released from the heat dissipation through hole, so that the heat dissipation capacity of the power distribution cabinet is improved, and the service life of the electronic element is prolonged.

The above prior art solutions have the following drawbacks: the switch board is in the use, and inside electronic component circular telegram during operation can distribute out the heat, causes the temperature in the switch board to rise, and above-mentioned switch board only dispels the heat through the heat dissipation through-hole, and the mobile speed of the internal air of cabinet is slow, and the radiating efficiency is low, and electronic component burns out at the easy short circuit of long-time high temperature down, remains to be improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a power distribution cabinet, it has the effect that the radiating efficiency is high, the internal electronic component of cabinet is difficult for burning out.

The above object of the present invention can be achieved by the following technical solutions: a power distribution cabinet comprises a cabinet body and a cabinet door which are hinged, wherein a plurality of heat dissipation holes are formed in two opposite side walls of the cabinet body respectively; the heat dissipation piece is including fixing the servo motor on the mounting panel and with servo motor's output shaft fixed connection's radiator fan, be connected with on the cabinet body and be used for driving mounting panel pivoted driving piece, all be connected with the cooling tube on the roof of the cabinet body and two lateral walls that are equipped with the louvre, the cooling tube is filled with the coolant liquid.

Through adopting above-mentioned technical scheme, the heat that the internal electronic component work of cabinet produced not only accessible louvre is outwards discharged, can also produce the heat exchange through cooling tube and coolant liquid, and servo motor can drive radiator fan and rotate moreover for the thermal exchange rate of the internal and external both sides of cabinet flow rate of air and the cabinet, the radiating efficiency is high, has effectively reduced the temperature of the internal portion of cabinet, makes the internal electronic component of cabinet be difficult for being burnt out because of the high temperature, and the potential safety hazard is little. The driving piece can be used for driving the mounting plate to rotate, and then the heat dissipation fan is driven to rotate by taking the hinged end of the connecting rod and the mounting plate as an axis, so that the action range of the heat dissipation fan is expanded, and the heat dissipation effect is good.

The utility model discloses further set up to: the driving piece comprises a driving cylinder arranged on the inner wall of the cabinet body, and a piston rod of the driving cylinder is hinged with the mounting plate.

Through adopting above-mentioned technical scheme, can drive the reciprocating rotation of mounting panel when driving actuating cylinder's piston rod flexible to enlarged radiator fan's wind-force effect scope, degree of automation is high, the radiating effect is good.

The utility model discloses further set up to: the heat radiation fan and the driving cylinder are respectively close to two ends of the mounting plate.

By adopting the technical scheme, the distance between the cooling fan and the driving cylinder and the connecting rod is large, the moment is large, the rotating range of the cooling fan is large, and the acting force required when the driving cylinder drives the mounting plate to rotate is small.

The utility model discloses further set up to: the cooling pipe is including establishing blind end and the open end at its both ends separately, the outer wall that the cooling pipe is close to its open end is equipped with the external screw thread, threaded connection has the tube cap on the external screw thread.

By adopting the technical scheme, the cooling liquid in the cooling pipe is injected or pumped out through the opening end, when the temperature of the cooling liquid in the cooling pipe is increased, people can regularly replace the cooling liquid with low temperature, and the cooling effect in the cabinet body is ensured; the tube cap can prevent the cooling liquid from overflowing from the open end of the cooling pipe, and is in threaded connection with the cooling pipe, and the assembly and disassembly are convenient.

The utility model discloses further set up to: the pipe cover comprises a check block and a hollow cylindrical connecting ring which are integrally formed, an internal thread matched with the external thread is arranged on the inner wall of the connecting ring, and a rubber pad is fixed on the end face, close to the cooling pipe, of the check block.

By adopting the technical scheme, the rubber pad is pressed to deform after the pipe cover and the cooling pipe are connected in place, and the sealing and seepage-proofing effects are achieved.

The utility model discloses further set up to: the open end of the cooling pipe is positioned at one side close to the cabinet door.

Through adopting above-mentioned technical scheme, when changing the coolant liquid, the coolant liquid is difficult for dripping to the electronic component of the internal of cabinet, avoids electronic component short circuit trouble to the open end is close to the cabinet door and is more convenient for people's operation change coolant liquid.

The utility model discloses further set up to: the outside of cooling tube is equipped with a plurality of fastening blocks that are used for compressing tightly the cooling tube on the cabinet body, every the fastening block all links to each other through fastening bolt and the inner wall of the cabinet body.

By adopting the technical scheme, the cooling pipes can be detached from the cabinet body, the production process of the cabinet body is simplified, and the single cooling pipe can be detached independently after being damaged, so that the replacement cost is low; the fastening block is connected with the cabinet body through fastening bolts to compress the cooling pipe, so that the assembly and disassembly are convenient and the connection strength is high.

The utility model discloses further set up to: the cooling pipe is characterized in that annular grooves with the same number as the fastening blocks are formed in the circumferential side wall of the cooling pipe, and the fastening blocks are respectively embedded in the annular grooves.

Through adopting above-mentioned technical scheme, the ring channel can restrict the relative cooling tube of fastening block and remove, is convenient for people to twist fastening bolt.

The utility model discloses further set up to: the cooling pipe is S-shaped.

Through adopting above-mentioned technical scheme, the area of contact of cooling tube and the internal air of cabinet is big, has further improved the radiating efficiency.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the heat in the cabinet body can be dissipated through the heat dissipation holes, and can also be exchanged with cooling liquid through the cooling pipes, when the cooling fan rotates under the action of the servo motor, the flowing speed of air in the cabinet body can be increased, the heat dissipation efficiency is improved, electronic elements in the cabinet body are not easy to be burnt due to short circuit caused by overhigh temperature, and the potential safety hazard is small;

2. the driving cylinder can drive the mounting plate to drive the radiating fan to rotate, so that the action range of the radiating fan is expanded, and the radiating effect is good;

3. when the temperature of the cooling liquid in the cooling pipe rises, the pipe cover is opened firstly, and then the cooling liquid with low temperature is replaced through the opening of the cooling pipe, so that the cooling effect of the cooling pipe is guaranteed; the cooling pipe and the cabinet body are connected and positioned through the fastening block and the fastening bolt, and the cooling device is convenient to disassemble and assemble and high in stability.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an exploded view of the tube cover and the fastening block separated from the cooling tube in the present embodiment;

fig. 3 is a schematic view highlighting a partial explosion of the internal thread in this embodiment.

Reference numerals: 1. a cabinet body; 11. heat dissipation holes; 12. a connecting rod; 13. mounting a plate; 14. a driving cylinder; 2. a cabinet door; 3. a heat sink; 31. a servo motor; 32. a heat radiation fan; 4. a cooling tube; 41. an annular groove; 42. a fastening block; 43. fastening a bolt; 44. a closed end; 45. an open end; 46. an external thread; 5. a tube cover; 51. a stopper; 511. a rubber pad; 52. a connecting ring; 521. an internal thread.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a power distribution cabinet, as shown in fig. 1, including the articulated cabinet body 1 and the cabinet door 2 that link to each other, cabinet door 2 is located the front side of the cabinet body 1, is equipped with a plurality of louvre 11 on the lateral wall about the cabinet body 1 respectively, and the convection current is realized to the air accessible louvre 11 of the inside and outside both sides of the cabinet body 1. A connecting rod 12 is fixed on the inner wall of the left side of the cabinet body 1, one end, far away from the connecting rod 12, connected with the cabinet body 1 is hinged with a mounting plate 13, and the rear end of the mounting plate 13 is connected with a heat radiating piece 3.

As shown in fig. 1, the heat sink 3 includes a servo motor 31 and a heat dissipation fan 32 fixedly connected to an output shaft of the servo motor 31, the servo motor 31 is fixed to the rear end of the mounting plate 13, and the output shaft faces to the right side, and the output shaft of the servo motor 31 can drive the heat dissipation fan 32 to rotate, so as to accelerate the flow rate of air in the cabinet 1, and the heat dissipation efficiency is high.

As shown in fig. 1, the cabinet body 1 is connected with a driving member, the driving member includes a driving cylinder 14 installed on the inner wall of the left side of the cabinet body 1, and a piston rod of the driving cylinder 14 faces the right side and is hinged to the front end of the mounting plate 13. When the piston rod of the driving cylinder 14 extends, the mounting plate 13 can be driven to rotate by taking the hinged end of the mounting plate and the connecting rod 12 as an axis, so that the wind action range of the cooling fan 32 is expanded, and the cooling effect is good.

As shown in fig. 1 and 2, the top wall and the left and right side walls of the cabinet 1 are connected with cooling pipes 4, two annular grooves 41 are formed in the circumferential side wall of each cooling pipe 4, fastening blocks 42 are embedded in the annular grooves 41, and two ends of each fastening block 42 are respectively located on two sides of each annular groove 41 and connected with the inner wall of the cabinet 1 through fastening bolts 43. The cooling pipe 4 is S-shaped and is filled with cooling liquid, the cooling liquid can be cold water with the temperature lower than 20 ℃, heat exchange can be carried out between the cooling pipe 4 and the cooling liquid by heat generated by the working of electronic elements in the cabinet body 1, and the cooling effect is further enhanced.

As shown in fig. 2 and 3, the cooling pipe 4 includes a closed end 44 at the rear end and an open end 45 at the front end, an external thread 46 is provided on the outer circumferential wall of the cooling pipe 4 near the open end 45, and the pipe cover 5 is screwed on the external thread 46. The tube cover 5 comprises a stopper 51 and a connecting ring 52 which are integrally formed, the connecting ring 52 is hollow and cylindrical, an internal thread 521 matched with the external thread 46 is arranged on the inner wall of the connecting ring, and a rubber pad 511 is fixed on the end face, close to the cooling tube 4, of the stopper 51. The open end 45 of the cooling tube 4 exposes when the tube cover 5 is opened, and people can inject or extract cooling liquid into the cooling tube 4 through the open end 45 of the cooling tube 4, so that the cooling liquid is replaced to ensure the heat dissipation effect of the cooling liquid, and the rubber pad 511 plays a role in sealing and seepage prevention.

The implementation principle of the embodiment is as follows: when the electronic components in the cabinet body 1 work to generate heat, on one hand, the heat dissipation holes 11 can be used for the air at the inner side and the outer side of the cabinet body 1 to form convection, and when the heat dissipation fan 32 rotates under the action of the servo motor 31, the flow rate of the air in the cabinet body 1 is accelerated, and the heat dissipation efficiency is high; on the other hand, heat in the cabinet body 1 can exchange heat with the cooling liquid through the cooling pipe 4, so that the heat dissipation effect is further improved, and electronic elements are not easy to be burnt out due to short circuit caused by overhigh temperature in the cabinet body 1.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a power distribution cabinet, includes articulated cabinet body (1) and cabinet door (2) that link to each other, be equipped with a plurality of louvres (11), its characterized in that on two relative lateral walls of the cabinet body (1) respectively: a connecting rod (12) is fixed on the inner wall of the cabinet body (1), an installation plate (13) is hinged to one end, far away from the inner wall of the cabinet body (1), of the connecting rod (12), and a heat dissipation piece (3) is installed on the installation plate (13); radiating piece (3) including fix servo motor (31) on mounting panel (13) and with output shaft fixed connection's of servo motor (31) radiator fan (32), be connected with on the cabinet body (1) and be used for driving mounting panel (13) pivoted driving piece, all be connected with cooling tube (4) on the roof of the cabinet body (1) and two lateral walls that are equipped with louvre (11), fill in cooling tube (4) coolant liquid.

2. A switch board according to claim 1, characterized in that: the driving piece comprises a driving cylinder (14) installed on the inner wall of the cabinet body (1), and a piston rod of the driving cylinder (14) is hinged to the installation plate (13).

3. A switch board according to claim 2, characterized in that: the heat radiation fan (32) and the driving cylinder (14) are respectively close to two ends of the mounting plate (13).

4. A switch board according to claim 1, characterized in that: the cooling pipe (4) comprises a closed end (44) and an open end (45) which are respectively arranged at two ends of the cooling pipe, an external thread (46) is arranged on the outer wall of the cooling pipe (4) close to the open end (45), and a pipe cover (5) is connected to the external thread (46) in a threaded manner.

5. A switch board of claim 4, characterized in that: the pipe cover (5) comprises a stop block (51) and a hollow cylindrical connecting ring (52) which are integrally formed, an internal thread (521) matched with the external thread (46) is arranged on the inner wall of the connecting ring (52), and a rubber pad (511) is fixed on the end face, close to the cooling pipe (4), of the stop block (51).

6. A switch board of claim 4, characterized in that: the open end (45) of the cooling pipe (4) is positioned at one side close to the cabinet door (2).

7. A switch board according to claim 1, characterized in that: the outside of cooling tube (4) is equipped with a plurality of fastening blocks (42) that are used for compressing tightly cooling tube (4) on the cabinet body (1), every fastening block (42) all link to each other with the inner wall of the cabinet body (1) through fastening bolt (43).

8. A switch board of claim 7, characterized in that: the cooling tube (4) is characterized in that annular grooves (41) with the same number as the fastening blocks (42) are formed in the circumferential side wall of the cooling tube, and the fastening blocks (42) are respectively embedded in the annular grooves (41).

9. A switch board according to claim 1, characterized in that: the cooling pipe (4) is S-shaped.