CN214849769U

CN214849769U - Low-voltage cabinet

Info

Publication number: CN214849769U
Application number: CN202121647600.9U
Authority: CN
Inventors: 孟祖彬; 刘元海
Original assignee: Yuanlong Power Technology Co ltd
Current assignee: Yuanlong Power Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-23
Anticipated expiration: 2031-07-19

Abstract

The utility model provides a low-voltage cabinet, include: the upper end of the low-voltage cabinet main body is opened, and the front wall of the low-voltage cabinet main body is provided with a door body; the waterproof cap is arranged at the opening at the upper end, and a vent hole is formed in the lower surface of the waterproof cap; the supporting frame is arranged inside the waterproof cap and used for placing the air supply device; supplementary waterproof heat dissipation case run through set up in the lateral wall of low-voltage cabinet main part, supplementary waterproof heat dissipation case be located the inside one side of low-voltage cabinet main part is the cooling surface, for the another side of cooling surface is waterproof. The technical problems that rainwater is easily gathered upwards through openings of heat dissipation holes in the prior art, the side wall of a cabinet body is poor in ventilation and waterproof performance, and then the moisture content of air in the cabinet body influences the use efficiency of devices are solved.

Description

Low-voltage cabinet

Technical Field

The utility model relates to a low-voltage cabinet technical field, concretely relates to low-voltage cabinet.

Background

The low-voltage switch cabinet is characterized by that the switch equipment, measuring instrument, protective electric equipment and auxiliary equipment are assembled in closed or semi-closed metal cabinet or on the screen according to the requirements for electric connection, and its arrangement must meet the requirements for normal operation of power system, and is convenient for maintenance, and does not endanger the safety of human body and peripheral equipment.

However, the existing low-voltage cabinet is installed in a natural environment and can be subjected to wind, wind and rain, and in order to pursue better heat dissipation performance, the cabinet body of the high-voltage cabinet and the low-voltage cabinet in the market at present is generally provided with more heat dissipation holes, so that for some outdoor equipped cabinets, a better waterproof function is not provided, and the situation that water enters the cabinet easily to damage internal elements occurs in rainy days, for example, the Chinese patent with the application number of '202020340348.6', the invention discloses 'an outdoor rainproof high-voltage and low-voltage cabinet', although the situation that water enters the inside of a waterproof cap and enters the inside of the cabinet body is avoided through the design of the top rainproof cap, the opening of the heat dissipation holes on the waterproof cap is upward, water vapor can inevitably enter the inside of the cabinet body, and the side edge of the cabinet body can not be well dissipated through the design of simple louver windows, and rainwater can not be prevented from entering the inside of the cabinet body, and then damage the inside equipment of the cabinet body, it is relatively poor to the holistic waterproof, the heat dispersion of the cabinet body from this, and the further improvement that needs to be further improved urgently to guarantee the performance of low-voltage cabinet.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide a low-voltage cabinet to solve the problems in the background art.

According to the utility model provides a low-voltage cabinet, include: the upper end of the low-voltage cabinet main body is opened, and the front wall of the low-voltage cabinet main body is provided with a door body; the waterproof cap is arranged at the opening at the upper end, and a vent hole is formed in the lower surface of the waterproof cap; the supporting frame is arranged inside the waterproof cap and used for placing the air supply device; supplementary waterproof heat dissipation case run through set up in the lateral wall of low-voltage cabinet main part, supplementary waterproof heat dissipation case be located the inside one side of low-voltage cabinet main part is the cooling surface, for the another side of cooling surface is waterproof.

Further, the low-voltage cabinet, supplementary waterproof heat dissipation case is the down-angle trapezoidal cylinder, waterproof face is the domatic of down-angle trapezoidal cylinder.

Further, in the low-voltage cabinet, an included angle formed between the slope surface and the bottom surface of the inverted right-angled trapezoid cylinder is 105-120 degrees.

Further, the low-voltage cabinet, be provided with a plurality of division boards in the supplementary waterproof heat dissipation case, the drier has been placed on the division board.

Further, the low-voltage cabinet, be equipped with the shutter on the waterproof face, be provided with a plurality of regular hexagonal type through-holes on the panel of cooling surface.

Further, in the low-voltage cabinet, the area of the heat dissipation surface is 60% -80% of the area of the side wall of the low-voltage cabinet main body.

Further, according to the low-voltage cabinet, the distance between the radiating surface and the side wall of the low-voltage cabinet main body is 3 cm-6 cm.

Further, the low-voltage cabinet, supplementary waterproof heat dissipation case be equipped with two altogether, set up respectively in the left and right both sides wall of low-voltage cabinet main part.

Further, the low-voltage cabinet is 0000.

The utility model discloses technical scheme has following advantage:

the vent holes are formed in the lower surface of the waterproof cap, so that rainwater is prevented from falling into the cabinet body from the vent holes, and devices in the cabinet body are cooled through the air supply device; through the arrangement of the auxiliary waterproof heat dissipation box, the heat dissipation surface can effectively dissipate heat, and the waterproof surface can improve the waterproof performance, so that heat dissipation and waterproof protection are performed on devices in the cabinet body; inside the louvre among the prior art leads to steam to get into the cabinet up easily, the cabinet side wall simply sets up the waterproof, relatively poor technical problem of heat dispersion of shutter, has improved waterproof nature and thermal diffusivity, and then has improved the availability factor of the internal part device of cabinet.

Drawings

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

Fig. 1 is a schematic cross-sectional structural view of a low voltage cabinet according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a low voltage cabinet according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an auxiliary waterproof heat dissipation box of a low-voltage cabinet according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a heat dissipation surface of a low-voltage cabinet according to an embodiment of the present invention.

Description of reference numerals: 100. a low-voltage cabinet main body; 110. a door body; 200. a waterproof cap; 210. a vent hole; 300. a support frame; 400. an air supply device; 500. an auxiliary waterproof heat dissipation box; 510. a heat dissipating surface; 511. a regular hexagonal through hole; 520. a waterproof surface; 521. a blind window; 530. a interlayer plate; 600. a desiccant.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

Referring to fig. 1 and 2, an embodiment of the present application discloses a low-voltage cabinet, including: the upper end of the low-voltage cabinet main body 100 is open, and the front wall of the low-voltage cabinet main body is provided with a door body 110; a waterproof cap 200 installed at the upper end opening, a vent hole 210 being provided on a lower surface of the waterproof cap 200; a support frame 300 disposed inside the waterproof cap 200 for placing the air supply device 400; supplementary waterproof heat dissipation case 500 run through set up in the lateral wall of low-voltage board main part 100, supplementary waterproof heat dissipation case 500 be located the inside one side of low-voltage board main part 100 is cooling surface 510, for the another side of cooling surface 510 is waterproof 520. The vent holes are formed in the lower surface of the waterproof cap, so that rainwater is prevented from falling into the cabinet body from the vent holes, and devices in the cabinet body are cooled through the air supply device; through the arrangement of the auxiliary waterproof heat dissipation box, the heat dissipation surface can effectively dissipate heat, and the waterproof surface can improve the waterproof performance, so that heat dissipation and waterproof protection are performed on devices in the cabinet body; inside the louvre among the prior art leads to steam to get into the cabinet up easily, the cabinet side wall simply sets up the waterproof, relatively poor technical problem of heat dispersion of shutter, has improved waterproof nature and thermal diffusivity, and then has improved the availability factor of the internal part device of cabinet.

Referring to fig. 1 to 3, in an alternative embodiment of the present invention, the auxiliary waterproof heat dissipation case 500 is an inverted right trapezoid cylinder, and the waterproof surface 520 is a slope surface of the inverted right trapezoid cylinder; an included angle formed between the slope surface and the bottom surface of the inverted right-angle trapezoidal cylinder is 105-120 degrees, and through the design of the inverted right-angle trapezoidal cylinder, the shape with the wide upper part and the narrow lower part can well avoid rainwater from gathering, so that rainwater is prevented from sliding off the slope surface, and the waterproof effect is further improved; and secondly, with the arrangement of a common vertical plane, the relative surface area can be increased through the arrangement of the slope surface, and then the heat dissipation effect can be improved.

Referring to fig. 1 and 3, the utility model relates to an optional implementation way, be provided with a plurality of interlayer boards 530 in the supplementary waterproof heat dissipation case 500, desiccant 600 has been placed on interlayer board 530, and optionally, ventilation hole 210 department also is provided with the desiccant, can reduce through the setting of desiccant and carry out the drying to getting into the internal steam of cabinet, reduces the humidity of the internal air of cabinet, and then protect the device in the solid, improve the availability factor of device.

Referring to fig. 4, in an alternative embodiment of the present invention, a plurality of hexagonal through holes 511 are disposed on a panel of the heat dissipating surface 510, and a louver 521 is disposed on the waterproof surface 520 with reference to fig. 1 to 3; the staggered arrangement of the regular hexagonal through holes enables the total area of the through holes to be increased, and therefore the heat dissipation performance is improved.

The utility model relates to an optional implementation manner, the area of the heat dissipation surface 510 is 60% -80% of the area of the side wall of the low-voltage cabinet main body 100; the distance between the heat dissipation surface 510 and the side wall of the low-voltage cabinet main body 100 is 3 cm-6 cm; the air-conditioning device is reasonable and attractive in arrangement, proper in distance and convenient for air flow.

Referring to fig. 1, the present invention provides an alternative embodiment, the auxiliary waterproof heat dissipation box 500 is provided with two, respectively set up in the left and right side walls of the low voltage cabinet main body 100.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A low-voltage cabinet, comprising:

the upper end of the low-voltage cabinet main body is opened, and the front wall of the low-voltage cabinet main body is provided with a door body;

the waterproof cap is arranged at the opening at the upper end, and a vent hole is formed in the lower surface of the waterproof cap;

the supporting frame is arranged inside the waterproof cap and used for placing the air supply device;

supplementary waterproof heat dissipation case run through set up in the lateral wall of low-voltage cabinet main part, supplementary waterproof heat dissipation case be located the inside one side of low-voltage cabinet main part is the cooling surface, for the another side of cooling surface is waterproof.

2. The low-voltage cabinet according to claim 1, wherein the auxiliary waterproof heat dissipation box is an inverted right-angled trapezoidal column, and the waterproof surface is a slope surface of the inverted right-angled trapezoidal column.

3. The low-voltage cabinet as claimed in claim 2, wherein the included angle formed between the slope and the bottom surface of the inverted right-angled trapezoidal column is 105 ° to 120 °.

4. The low-voltage cabinet according to claim 1, wherein a plurality of division plates are arranged in the auxiliary waterproof heat-dissipation box, and a drying agent is placed on the division plates.

5. The low-voltage cabinet according to claim 1, wherein a shutter is arranged on the waterproof surface, and a plurality of regular hexagonal through holes are arranged on a panel of the heat dissipation surface.

6. The low-voltage cabinet according to claim 1, wherein the area of the heat dissipation surface is 60% to 80% of the area of the side wall of the low-voltage cabinet main body.

7. The low-voltage cabinet according to claim 1, wherein the distance between the heat dissipation surface and the side wall of the low-voltage cabinet main body is 3 cm-6 cm.

8. The low-voltage cabinet according to any one of claims 1 to 7, wherein there are two auxiliary waterproof heat dissipation boxes respectively disposed on the left and right sidewalls of the low-voltage cabinet main body.