CN214124559U

CN214124559U - Draw-out type low-voltage switch cabinet with strong heat dissipation

Info

Publication number: CN214124559U
Application number: CN202022919534.8U
Authority: CN
Inventors: 黄业瀚
Original assignee: Shenzhen Xunengda Electric Technology Co ltd
Current assignee: Shenzhen Xunengda Electric Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-03
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a draw-out type low-voltage switch cabinet with strong heat dissipation, which comprises a cabinet body, a ventilation channel, a fan and a drawer, wherein the cabinet body is provided with a drawer chamber; the ventilation pipeline is arranged in the cabinet body and is provided with a ventilation air inlet and a first ventilation air outlet which are communicated, and the ventilation air inlet is used for being communicated with the external space of the cabinet body; the fan is arranged on the ventilation pipeline; the drawer is arranged in the drawer chamber, the drawer is provided with a heat dissipation air inlet and a first heat dissipation air outlet which are communicated, the heat dissipation air inlet is communicated with the first ventilation air outlet, and the first heat dissipation air outlet is communicated with the external space of the cabinet body. The utility model discloses technical scheme's strong pull-out type low-voltage switchgear of heat dissipation has the advantage that the radiating efficiency is high.

Description

Draw-out type low-voltage switch cabinet with strong heat dissipation

Technical Field

The utility model relates to a cubical switchboard technical field, in particular to pull-out type low-voltage switchgear that heat dissipation is strong.

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is mainly used for controlling power generation, power transmission, power distribution, electric energy conversion and electric energy consumption equipment.

When the switch cabinet works, the circuit devices inside the switch cabinet can emit large heat, so that the switch cabinet needs to be subjected to heat dissipation treatment. However, most of the existing low-voltage switch cabinets are passively cooled through heat dissipation holes or simply cooled by blowing through a fan, so that the existing low-voltage switch cabinets are low in heat dissipation efficiency, and the performance of the switch cabinets is easily influenced when the low-voltage switch cabinets are used in a high-temperature environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pull-out type low-voltage switchgear that heat dissipation is strong aims at solving the poor technical problem of present cubical switchboard heat dispersion.

In order to achieve the above object, the utility model provides a strong pull-out type low-voltage switchgear dispels heat, include:

a cabinet body having a drawer chamber;

the ventilation pipeline is arranged in the cabinet body and is provided with a ventilation air inlet and a first ventilation air outlet which are communicated, and the ventilation air inlet is used for being communicated with the external space of the cabinet body;

the fan is arranged on the ventilation pipeline; and

the drawer is arranged in the drawer chamber, the drawer is provided with a heat dissipation air inlet and a first heat dissipation air outlet which are communicated, the heat dissipation air inlet is communicated with the first ventilation air outlet, and the first heat dissipation air outlet is communicated with the external space of the cabinet body.

Optionally, the ventilation duct extends in an up-down direction.

Optionally, the cabinet body includes first baffle, the drawer room with the air pipe sharing first baffle, be equipped with on the first baffle first ventilation air outlet.

Optionally, the draw-out low-voltage switchgear with strong heat dissipation further comprises a bus chamber, wherein the bus chamber is provided with a second heat dissipation air outlet, and the second heat dissipation air outlet is used for being communicated with the space outside the switchgear body;

the ventilation pipeline is also provided with a second ventilation air outlet communicated with the ventilation air inlet, and the second ventilation air outlet is also communicated with the bus chamber.

Optionally, the cabinet body includes the second baffle, the generating line room with the air pipe sharing the second baffle, be equipped with on the second baffle the second ventilation air outlet.

Optionally, the first ventilation air outlet and the second ventilation air outlet include a plurality of first kidney-shaped holes arranged at intervals.

Optionally, the drawer room with the generating line room is located respectively ventilating duct's both sides, the cabinet body still includes the rear panel, one side of rear panel forms lateral wall, the opposite side of drawer room form the lateral wall of generating line room, the rear panel forms one side of drawer room is equipped with the air-out opening, first heat dissipation air outlet passes through air-out opening and cabinet body external environment intercommunication, the rear panel forms one side of generating line room is equipped with the second heat dissipation air outlet.

Optionally, the heat dissipation air inlet is disposed on a side wall of the drawer, and the heat dissipation air inlet includes a plurality of second kidney-shaped holes arranged at intervals.

Optionally, air pipe includes air inlet section and air-out section, the one end of air inlet section is equipped with ventilate the air intake, the other end with air-out section intercommunication, the air-out section is to keeping away from the direction of air inlet section extends, and is equipped with first heat dissipation air outlet, the air inlet section is from being equipped with ventilate the one end of air intake to with the one end that the air-out section is connected is the convergent setting.

Optionally, the draw-out type low-voltage switchgear that dispels heat strongly still includes dustproof filter screen, dustproof filter screen is located ventilation air inlet department.

The strong pull-out type low-voltage switchgear of heat dissipation of this application through set up air pipe in the cabinet body, communicates air pipe and the heat dissipation air intake of drawer again to the accessible fan introduces the outside air and gets into the inside heat transfer that carries on of drawer, with the radiating efficiency who improves electrical components in the drawer. It is thus clear that compare in the strong pull-out type low-voltage switchgear of common heat dissipation, the strong pull-out type low-voltage switchgear of heat dissipation of this application has the advantage that the radiating efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a draw-out type low-voltage switch cabinet with strong heat dissipation of the present invention;

FIG. 2 is a schematic view of the assembly of the dust screen of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the drawer and cabinet assembly of the embodiment shown in FIG. 1;

FIG. 4 is a schematic view of the drawer of the embodiment of FIG. 1;

FIG. 5 is an assembled view of the back panel of the embodiment of FIG. 1;

fig. 6 is a schematic structural diagram of the cabinet in the embodiment shown in fig. 1.

The reference numbers illustrate:

10. a cabinet body; 11. a drawer chamber; 12. a first separator; 13. a bus chamber; 131. a second heat dissipation air outlet; 14. a second separator; 15. a rear panel; 151. an air outlet port; 20. a ventilation duct; 20a, a ventilation air inlet; 20b, a first ventilation air outlet; 20c, a second ventilating air outlet; 21. an air inlet section; 22. an air outlet section; 30. a fan; 40. a drawer; 41. a heat dissipation air inlet; 42. a first heat dissipation air outlet; 50. dustproof filter screen

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a strong pull-out type low tension switchgear dispels heat.

In the embodiment of the present invention, as shown in fig. 1 to fig. 6, the draw-out type low voltage switch cabinet with strong heat dissipation includes a cabinet body 10, a ventilation duct 20, a fan 30 and a drawer 40.

Specifically, the cabinet 10 has a drawer chamber 11, and the drawer chamber 11 has a plurality of drawer cavities for mounting the drawer 40, and the drawer 40 is used for mounting electrical components.

The ventilation duct 20 is disposed in the cabinet 10, the ventilation duct 20 has a ventilation air inlet 20a and a first ventilation air outlet 20b communicated with each other, and the ventilation air inlet 20a is configured to communicate with the space outside the cabinet 10. The fan 30 is disposed in the ventilation duct 20. Specifically, when the blower 30 is operated, the external air may flow into the ventilation duct 20 through the ventilation inlet 20a and then be discharged through the first ventilation outlet 20 b.

The drawer 40 is disposed in the drawer chamber 11, the drawer 40 has a heat dissipating air inlet 41 and a first heat dissipating air outlet 42, wherein the heat dissipating air inlet 41 is communicated with the first ventilation air outlet 20b, and the first heat dissipating air outlet 42 is used for being communicated with the external space of the cabinet 10. Specifically, since the heat dissipation air inlet 41 communicates with the first ventilation air outlet 20b, and the first heat dissipation air outlet 42 communicates with the space outside the cabinet 10, when the fan 30 is operated, when the outside air flows out through the first ventilation air outlet 20b, the outside air flows into the drawer 40 through the heat dissipation air inlet 41. The air flowing into the drawer 40 exchanges heat with electrical components in the drawer 40 inside the drawer 40, and then flows out through the first heat dissipation outlet 42. Therefore, external air can be introduced into the drawer 40 to assist heat exchange of electrical components in the drawer 40, so that the heat dissipation efficiency of the electrical components is greatly improved, and the heat dissipation efficiency of the draw-out type low-voltage switch cabinet with strong heat dissipation can be greatly improved.

It can be understood that, in the drawout low-voltage switch cabinet with strong heat dissipation of the present application, the ventilation duct 20 is arranged in the cabinet body 10, and then the ventilation duct 20 is communicated with the heat dissipation air inlet 41 of the drawer 40, so that external air can be introduced into the drawer 40 through the fan 30 to exchange heat, thereby improving the heat dissipation efficiency of electrical components in the drawer 40. It is thus clear that compare in common low pressure pull-out type cubical switchboard, the pull-out type low voltage cubical switchboard that the heat dissipation is strong of this application has the advantage that the radiating efficiency is high.

Specifically, in the present embodiment, the drawer chamber 11 is provided with a plurality of drawer chambers in the up-down direction, and adjacent drawer chambers are separated by an intermediate partition. Accordingly, in the present embodiment, the ventilation duct 20 extends in the up-down direction. It can be understood that extend ventilation duct 20 along upper and lower direction, can send the air into a plurality of drawer intracavity under the prerequisite of the circulation of the interior air current of ventilation duct 20 of being convenient for to further improve the radiating efficiency of cubical switchboard.

It should be noted that the up-down direction refers to a direction obtained by taking the ground (or the installation surface) as a reference surface after the low-voltage draw-out type switch cabinet is installed. It should also be noted that in other embodiments, the ventilation duct 20 may also extend in the left-right direction, or be provided in the form of a broken line.

Specifically, the cabinet 10 includes a first partition 12, the drawer chamber 11 and the ventilation duct 20 share the first partition 12, and the first partition 12 is provided with a first ventilation outlet 20 b. Specifically, the first partition 12 is shared by the drawer chamber 11 and the ventilation duct 20, which means that the first partition 12 simultaneously forms the side walls of the drawer chamber 11 and the ventilation duct 20. Therefore, the material of the cabinet 10 can be saved, and the utilization of the inner space of the cabinet 10 is facilitated. And set up first ventilation outlet 20b on first baffle 12, make drawer 40 locate drawer room 11 after, the heat dissipation air intake 41 on the drawer 40 can directly communicate with first ventilation outlet 20b, and can reduce the connection structure between heat dissipation air intake 41 and the first ventilation outlet 20b, thereby be favorable to simplifying the design of cubical switchboard, be favorable to improving the space utilization of the internal portion of cabinet 10, and be favorable to reducing the cost of cubical switchboard.

Further, the draw-out type low voltage switch cabinet with strong heat dissipation of the embodiment further includes a bus bar chamber 13, the bus bar chamber 13 has a second heat dissipation air outlet 131, and the second heat dissipation air outlet 131 is used for communicating with the space outside the cabinet body 10. Correspondingly, the ventilation duct 20 of the present embodiment further has a second ventilation outlet 20c, the second ventilation outlet 20c is communicated with the ventilation inlet 20a, and the second ventilation outlet 20c is further communicated with the bus bar chamber 13.

Specifically, since the second ventilation air outlet 20c communicates with the bus bar compartment 13, when the blower 30 is operated, the outside air flows into the ventilation duct 20 from the first ventilation air inlet 20a, and can flow out from the second ventilation air outlet 20c of the ventilation duct 20. The air flowing out from the second ventilating outlet 20c flows into the bus bar chamber 13, and after heat exchange in the bus bar chamber 13, flows out through the second heat dissipating outlet 131. Therefore, external air can be introduced into the bus chamber 13 to assist the bus chamber 13 in heat dissipation, and the heat dissipation efficiency of the draw-out type low-voltage switch cabinet with strong heat dissipation can be further improved.

Specifically, the cabinet 10 includes a second partition 14, the bus bar chamber 13 and the ventilation duct 20 share the second partition 14, and the second partition 14 is provided with a second ventilation outlet 20 c. Specifically, the bus bar chamber 13 and the ventilation duct 20 share the second partition 14, which means that the second partition 14 simultaneously constitutes the side walls of the bus bar chamber 13 and the ventilation duct 20. Therefore, the material of the cabinet 10 can be saved, and the utilization of the inner space of the cabinet 10 is facilitated. And set up second ventilation air outlet 20c on second baffle 14, make drawer 40 locate bus-bar room 13 after, the heat dissipation air intake 41 of bus-bar room 13 can directly communicate with first ventilation air outlet 20b to can reduce the connection structure between heat dissipation air intake 41 and the first ventilation air outlet 20b, and then be favorable to simplifying the design of cubical switchboard, be favorable to improving the space utilization of the internal portion of cabinet 10, and be favorable to reducing the cost of cubical switchboard.

Further, the drawer chamber 11 and the bus bar chamber 13 are respectively disposed at two sides of the ventilation duct 20, the cabinet 10 further includes a rear panel 15, one side of the rear panel 15 forms a side wall of the drawer chamber 11, and the other side forms a side wall of the bus bar chamber 13, wherein an air outlet 151 is disposed at one side of the rear panel 15 forming the drawer chamber 11, the first heat dissipation air outlet 42 is communicated with an external environment of the cabinet 10 through the air outlet 151, and a second heat dissipation air outlet 131 is disposed at one side of the rear panel 15 forming the bus bar chamber 13. It can be understood that the above structure is adopted to facilitate the design of the inner space of the cabinet body 10 and the flow of air in the breaker chamber and the bus bar chamber 13, thereby being beneficial to improving the heat dissipation efficiency of the switch cabinet.

Specifically, the first ventilation air outlet 20b and the second ventilation air outlet 20c include a plurality of first kidney-shaped holes arranged at intervals. It can be understood that the first ventilating air outlet 20b and the second ventilating air outlet 20c are arranged to include a plurality of waist-shaped holes arranged at intervals, so that the flow rate of air flowing out from the first ventilating air outlet 20b and the second ventilating air outlet 20c can be increased, and the heat exchange efficiency of the drawer 40 and the bus bar room 13 can be improved. Of course, in other embodiments, the first ventilating outlet 20b and the second ventilating outlet 20c may be configured as a circular opening, a grid, a rectangular opening, etc.

Further, the heat dissipating air inlet 41 is disposed on a side wall of the drawer 40, and the heat dissipating air inlet 41 includes a plurality of second kidney-shaped holes disposed at intervals. It can be understood that the heat dissipation air inlet 41 is disposed on the side wall of the drawer 40, and the heat dissipation air inlet 41 is disposed to include a plurality of second kidney-shaped holes disposed at intervals, so as to ensure the structural strength of the drawer 40 on the premise of ensuring the air flowing into the drawer 40. Meanwhile, if the first ventilation outlet 20b is also configured as a waist-shaped hole, the first ventilation outlet 20b and the first heat dissipation inlet 41 are easily aligned, so that the air flowing out of the first ventilation outlet 20b flows into the first heat dissipation inlet 41.

Further, air pipe 20 includes air inlet section 21 and air-out section 22, and the one end of air inlet section 21 is equipped with ventilation air intake 20a, and the other end and air-out section 22 intercommunication, and air-out section 22 extends to the direction of keeping away from air inlet section 21 to be equipped with first heat dissipation air outlet 42, air inlet section 21 is the convergent setting from the one end that is equipped with ventilation air intake 20a to the one end of being connected with air-out section 22. It can be understood that the air outlet section 22 is set to be a gradually-reduced structure, so that air can be gradually accelerated in the air inlet section 21, and therefore the air flow rate is improved, and the heat dissipation efficiency of the switch cabinet is favorably improved.

Further, the drawout low-voltage switch cabinet with strong heat dissipation of the embodiment further includes a dustproof filter 60, and the dustproof filter 60 is disposed at the ventilation air inlet 20 a. It can be understood that the dustproof filter screen 60 is disposed at the ventilation air inlet 20a, which can effectively reduce dust entering the ventilation duct 20, and is beneficial to ensuring the cleanness of the ventilation duct 20, the circuit breaker and the internal environment of the bus bar chamber 13.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a strong pull-out type low-voltage switchgear dispels heat which characterized in that includes:

a cabinet body having a drawer chamber;

the fan is arranged on the ventilation pipeline; and

2. The draw-out low-voltage switchgear cabinet with high heat dissipation according to claim 1, wherein the ventilation duct extends in an up-down direction.

3. The draw-out low-voltage switchgear cabinet with high heat dissipation capability as claimed in claim 1, wherein the cabinet body comprises a first partition plate, the drawer chamber and the ventilation duct share the first partition plate, and the first ventilation outlet is formed in the first partition plate.

4. The draw-out high voltage switchgear cabinet according to claim 1, wherein the draw-out low voltage switchgear cabinet further comprises a bus compartment, the bus compartment having a second heat outlet for communicating with the space outside the cabinet body;

5. The draw-out low-voltage switchgear with high heat dissipation capacity as claimed in claim 4, wherein the cabinet body comprises a second partition plate, the bus bar chamber and the ventilation duct share the second partition plate, and the second partition plate is provided with the second ventilation outlet.

6. The draw-out low-voltage switchgear with high heat dissipation capacity of claim 4, wherein the first ventilation outlet and the second ventilation outlet comprise a plurality of first slotted holes arranged at intervals.

7. The draw-out low-voltage switchgear cabinet with high heat dissipation capability as claimed in claim 4, wherein the drawer chamber and the bus bar chamber are respectively disposed at two sides of the ventilation duct, the cabinet further comprises a rear panel, one side of the rear panel forms a side wall of the drawer chamber, the other side forms a side wall of the bus bar chamber, one side of the rear panel forming the drawer chamber is provided with an air outlet, the first heat dissipation air outlet communicates with the environment outside the cabinet through the air outlet, and one side of the rear panel forming the bus bar chamber is provided with the second heat dissipation air outlet.

8. The draw-out low-voltage switchgear with high heat dissipation capacity as claimed in claim 2, wherein the heat dissipation air inlet is disposed on a side wall of the drawer, and the heat dissipation air inlet comprises a plurality of second kidney-shaped holes arranged at intervals.

9. The draw-out low-voltage switchgear with high heat dissipation capability as claimed in claim 1, wherein the ventilation duct comprises an air inlet section and an air outlet section, the air inlet section is provided with the ventilation air inlet at one end, the other end of the air inlet section is communicated with the air outlet section, the air outlet section extends in a direction away from the air inlet section and is provided with the first heat dissipation air outlet, and the air inlet section is arranged in a tapered manner from the end provided with the ventilation air inlet to the end connected with the air outlet section.

10. The draw-out low-voltage switchgear with high heat dissipation of claim 1, wherein the draw-out low-voltage switchgear with high heat dissipation further comprises a dustproof filter screen, and the dustproof filter screen is arranged at the ventilation air inlet.