CN212366630U

CN212366630U - Low-voltage drawer cabinet

Info

Publication number: CN212366630U
Application number: CN202021407287.7U
Authority: CN
Inventors: 蒋学权; 史济敏; 裴旺生; 杨勤波; 屠聪; 冯波; 陆开荣; 梁伟; 陈超; 冯应森
Original assignee: Guangxi South Asia Electrical Appliances Co ltd
Current assignee: Guangxi South Asia Electrical Appliances Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-01-15
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a low-voltage drawer cabinet, which has the technical proposal that the low-voltage drawer cabinet comprises a low-voltage cabinet frame and a plurality of drawer cabinet bodies arranged on the low-voltage cabinet frame along the vertical direction, the low-voltage cabinet frame comprises a clapboard used for being connected with the drawer cabinet bodies in a sliding way, each drawer cabinet body comprises a bottom plate, a front door, a back wall and two side walls, the front door and the back wall are respectively connected with the edge of the bottom plate, a plurality of vent holes are respectively arranged on the clapboard and the bottom plate, a plurality of radiating fins are arranged under the bottom plate in sequence along the direction from the front door to the back wall and are staggered with the vent holes, the two side walls are connected with the clapboard in a sliding way, the heights of the bottoms, when the drawer cabinet body is arranged on the low-voltage cabinet frame, the plurality of radiating fins are positioned between the partition plate and the bottom plate, and the problems that a plurality of drawer cabinet bodies are influenced mutually greatly and the radiating effect is poor in the prior art are solved.

Description

Low-voltage drawer cabinet

Technical Field

The utility model relates to an electric power cabinet technical field, more specifically the utility model relates to a low pressure drawer cabinet that says so.

Background

The conventional GCS drawer cabinet comprises a metal cabinet body, an electric appliance arranged in the metal cabinet body, a rear door, a plurality of drawer chambers, a bus chamber and a switch chamber, wherein the drawer cabinet has strict requirements on temperature during working, the temperature cannot be too high, and the cabinet needs to be subjected to capacity reduction operation according to actual conditions; because of a plurality of drawer rooms are vertical distribution again, the hot gas flow is from up flowing down, and the gas that is located the drawer room of low position flows toward the drawer room that is located the eminence, causes the drawer indoor temperature that is located the eminence to be high, is unfavorable for the electrical apparatus work in the drawer room that is located the eminence, so need design a section radiating effect good and reduce the low pressure drawer cabinet of mutual influence between each drawer room.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a low pressure drawer cabinet that radiating effect is good and reduce the interact between each drawer room.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a low pressure drawer cabinet, includes the low pressure tank bracket and a plurality of drawer cabinet body of installing on the low pressure tank bracket along vertical direction, the low pressure tank bracket is including being used for with drawer cabinet body sliding connection's baffle, the drawer cabinet body including the bottom plate, respectively with bottom plate edge connection's qianmen, back wall and two lateral walls of seting up the louvre, a plurality of air vent has all been seted up on baffle and the bottom plate, the bottom plate below is provided with a plurality of fin, a plurality of the fin is arranged in proper order and is misplaced with the air vent along the orientation of qianmen to back wall, two lateral wall and baffle sliding connection, a plurality of the bottom place height of fin is not less than qianmen bottom place height, when the low pressure tank bracket is arranged in to the drawer cabinet body, a plurality of the.

As a further improvement of the utility model, a plurality of the equal relative bottom plate slope of fin sets up, and is adjacent cavity between the fin communicates baffle and bottom plate corresponding air vent between the two.

As a further improvement, two the bottom place height that highly all is less than the bottom place height of fin, a plurality of the cavity that forms between the fin all communicates with the louvre on the lateral wall.

As the utility model discloses a further improvement, a plurality of the fin homogeneous phase sets up, and is adjacent the louvre correspondence intercommunication on with two lateral walls is got up to the cavity between the fin.

As the utility model discloses a further improvement, two the lateral wall all is provided with a plurality of along fin direction of arranging sunken district and evagination district that sets up in turn, the louvre is located sunken district, the both ends of fin are all connected in the evagination district.

The utility model has the advantages that: the working temperature of the electric appliance can be effectively reduced and the rising hot air flow in the adjacent drawer cabinets can be exchanged with the outside in time by additionally arranging the radiating fins between the partition plate and the bottom plate, compared with the situation that the temperature of the drawer cabinets is higher and higher from bottom to top because the radiating fins are not additionally arranged on the corresponding drawer cabinets in the prior art, the situation that the heat in the drawer cabinets at the lower part flows into the drawer cabinets at the higher part is effectively slowed down, the influence between the adjacent drawer cabinets is reduced, and the temperatures in the drawer cabinets from bottom to top all tend to be the same and stable; in order to ensure that the height of the lower end of the front door is lower than or equal to the height of the bottom end of the radiating fin, which is the same as the design that the front door can cover the corresponding opening on the low-voltage cabinet frame in the prior art.

Drawings

FIG. 1 is a schematic perspective view of a low-voltage cabinet frame of the present invention with only one drawer cabinet;

FIG. 2 is a schematic perspective view of a drawer cabinet of the present invention;

FIG. 3 is a front view of the middle drawer cabinet of the present invention with a bottom plate cut away downward;

fig. 4 is a bottom view of the middle drawer cabinet of the present invention, partially cut open.

Reference numerals: 1. a low-voltage cabinet frame; 2. a drawer cabinet body; 3. a partition plate; 4. a base plate; 5. a front door; 6. a rear wall; 7. a side wall; 8. a vent hole; 9. a heat sink; 10. heat dissipation holes; 11. an invagination region; 12. a convex region.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 4, the low-voltage drawer cabinet of the embodiment includes a low-voltage cabinet frame 1 and a plurality of drawer cabinet bodies 2 installed on the low-voltage cabinet frame 1 along a vertical direction, the low-voltage cabinet frame 1 includes a partition board 3 for slidably connecting with the drawer cabinet bodies 2, each drawer cabinet body 2 includes a bottom board 4, a front door 5, a rear wall 6 and two side walls 7 provided with heat dissipation holes 10, the front door 5, the rear wall 6 and the two side walls 7 enclose the bottom board 4, the partition board 3 and the bottom board 4 are both provided with a plurality of vent holes 8, and an electrical appliance is installed on the bottom board;

based on the prior art, the height of the bottom plate 4 relative to the front door 5 is increased, the lower end surface of the bottom plate 4 is connected with a plurality of radiating fins 9, the height of the bottom ends of the plurality of radiating fins 9 is not lower than the height of the bottom end of the front door 5, the plurality of radiating fins 9 are sequentially arranged along the direction from the front door 5 to the rear wall 6, the radiating fins 9 and the vent holes 8 are staggered, namely, the connecting part of the radiating fins 9 and the bottom plate 4 is positioned at one side of the vent holes 8 and does not interfere with the vent holes 8, because the radiating fins 9 are positioned below the bottom plate 4, the connecting part of the side wall 7 and the bottom plate 4 is provided with two types, one type is that the bottom end of the side wall 7 is connected with the bottom plate 4, the outer side of the side wall 7 is rotatably connected with rollers, the partition plate 3 is provided with tracks for the rollers to move, the rollers are positioned, the roller enters the track and rolls relative to the track, the radiating fins 9 move relative to the partition plate 3, after the drawer cabinet body 2 is installed in place in the low-voltage cabinet frame 1, two ends of a cavity formed between the adjacent radiating fins 9 are respectively communicated with the radiating holes 10 on the two side walls 7, and the lower end of the cavity is communicated with the vent hole 8 on the partition plate 3; in practical use, the electric appliance generates heat, most of the heat is conducted away by the radiating fins 9 on the bottom plate 4 and is taken out of the drawer cabinet body 2 along with the air flowing between the adjacent radiating fins 9, a small part of the heat is radiated to the air above the electric appliance, a part of the heat rising along with the air is taken out of the drawer cabinet body 2 by the air flowing in from the side wall 7, the other part of the heat continues rising along with the air and flows into the lower part of the drawer cabinet body 2 at the height through the air holes 10, the part of the heat is discharged out of the drawer cabinet body 2 through the convection between the adjacent radiating fins 9, the working temperature of the electric appliance can be effectively reduced and the hot air rising in the adjacent drawer cabinet body 2 can be exchanged with the outside in time by additionally arranging the radiating fins 9 between the partition plate 3 and the bottom plate 4, and compared with the prior art that the temperature of the drawer cabinet body 2 is higher and higher from bottom to top because the radiating fins 9 are not The condition that heat in the drawer cabinet bodies 2 flows into the drawer cabinet bodies 2 located at the high positions reduces the influence between the adjacent drawer cabinet bodies 2, and the temperatures in the drawer cabinet bodies 2 from bottom to top tend to be the same and stable; in order to ensure that the front door 5 can cover the corresponding opening of the low-voltage cabinet frame 1 in the prior art, the height of the lower end of the front door 5 is designed to be lower than or equal to the height of the bottom end of the radiating fin 9.

As a specific embodiment of the improvement, referring to fig. 3, a plurality of heat dissipation fins 9 are obliquely arranged with respect to the bottom plate 4, the cavities between adjacent heat dissipation fins 9 communicate with the corresponding vent holes 8 between the partition plate 3 and the bottom plate 4, when the rising hot air enters between the heat dissipation fins 9 through the vent holes 10, the hot air is blocked by the heat dissipation fins 9 and can only flow along the surfaces of the heat dissipation fins 9, because the temperature of the hot air decreases while going through the rise, the temperature of the hot air is lower than that on the heat dissipation fins 9, the heat dissipation fins 9 can conduct heat to the hot air for cooling, compared with the design that the heat dissipation fins 9 are perpendicular to the bottom plate 4, the flow path of the hot air can be effectively increased, the rising speed of the hot air is slowed down, the time of the hot air between the heat dissipation fins 9 is prolonged, and more time can, the heat exchange between the rising hot air flow and the outside is effectively carried out, the phenomenon that the rising hot air flow enters the adjacent drawer cabinet body 2 is further slowed down, and the heat dissipation performance is better; and the increased volume of the heat sink 9 can conduct more heat away from the appliance through the base plate 4.

As a modified specific implementation manner, based on the connection between the side walls 7 and the bottom plate 4 mentioned in the first embodiment, specifically referring to fig. 3, the second is to make the heights of the bottom ends of the two side walls 7 lower than the height of the bottom end of the heat sink 9, so as to avoid the relative friction between the heat sink 9 and the partition plate 3 during the movement of the drawer cabinet 2 relative to the low-voltage cabinet frame 1, and avoid the wear of the heat sink 9; the cavity enclosed by the front door 5 and the two side walls 7 is divided into an upper part and a lower part by the bottom plate 4, the electric appliance is positioned in the space above the bottom plate 4, the radiating fins 9 are positioned in the space below the bottom plate 4, the radiating holes 10 on the side walls 7 are also distributed at the upper side and the lower side of the bottom plate 4, the cavities formed among the radiating fins 9 are all communicated with the corresponding radiating holes 10 on the side walls 7, when the drawer cabinet body 2 is drawn out of the low-voltage cabinet frame 1 and is arranged on the table top for maintenance, the bottom ends of the front door 5 and the two side walls 7 are contacted with the table top, compared with the structure in the first embodiment, the design can avoid the condition that the radiating fins 9 are used for supporting the whole drawer cabinet body 2, avoid the phenomenon that the radiating fins 9 deform due to extrusion, effectively protect the radiating fins 9, and the second embodiment can avoid the situation that the connection part between the radiating fin 9 and the bottom plate 4 is easy to break because the radiating fin 9 is obliquely arranged.

As an improved specific embodiment, specifically referring to fig. 4, a plurality of radiating fins 9 are obliquely arranged relative to the side wall 7, and the cavities between adjacent radiating fins 9 correspondingly communicate the radiating holes 10 on the two side walls 7, so that the length of the cavities between the radiating fins 9 can be increased, and the air flow amount is large, thereby effectively cooling the bottom plate 4 and the radiating fins 9.

As an improved specific embodiment, in the production process, a straight line position where the heat dissipation hole 10 is located is used to stamp from the outside of the sidewall 7 to the inside of the sidewall 7 to form an inward concave area 11 with a certain width, then the portion sandwiched between the adjacent inward concave areas 11 is an outward convex area 12, or a portion located between the adjacent inward concave areas 11 is used to stamp from the inside of the sidewall 7 to the outside of the sidewall 7 to form an outward convex area 12 adapted to the end of the heat dissipation fin 9, the design manner of the two outward convex areas 12 is determined according to the actual situation, the latter is taken as an example in this embodiment, specifically referring to fig. 2 and fig. 4, in fig. 4, the rod for connecting the roller below is omitted to facilitate observation of the outward convex area 12 and to separately cut open the outward convex area 12 to facilitate observation of the connection of the heat dissipation fin 9 and the outward convex area 12, the two sidewalls 7 are respectively mounted on the bottom plate 4 from both sides of the bottom plate 4 connected with the heat dissipation fin 9, and both ends of the heat dissipation, the sunken areas 11 are positioned between the adjacent radiating fins 9, and the structural strength of the side walls 7 is improved in a stamping mode under the condition that the materials of the side walls 7 are not changed, so that the side walls 7 have enough strength when bearing the bottom plate 4 connected with the radiating fins 9; furthermore, the heat dissipation holes 10 are arranged on the sunken areas 11, and the sunken areas 11 are favorable for guiding outside airflow to the heat dissipation holes 10, so that the outside airflow is accelerated to flow below the bottom plate 4; the engagement of the raised areas 12 with the ends of the fins 9 assists in the connection between the side walls 7 and the fins 9, and the fins 9 indirectly increase the structural strength of the side walls 7.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a low pressure drawer cabinet, includes low pressure tank bracket (1) and a plurality of drawer cabinet body (2) of installing on low pressure tank bracket (1) along vertical direction, low pressure tank bracket (1) including be used for with drawer cabinet body (2) sliding connection's baffle (3), drawer cabinet body (2) including bottom plate (4), respectively with bottom plate (4) edge connection's qianmen (5), back wall (6) and two lateral wall (7) of seting up louvre (10), all seted up a plurality of air vent (8) on baffle (3) and bottom plate (4), its characterized in that: bottom plate (4) below is provided with a plurality of fin (9), a plurality of fin (9) are arranged in proper order and are misplaced mutually with air vent (8) along qianmen (5) to the direction of back wall (6), two lateral wall (7) and baffle (3) sliding connection, a plurality of the bottom place height of fin (9) is not less than qianmen (5) bottom place height, when the low pressure tank bracket (1) is arranged in to the drawer cabinet body (2), a plurality of fin (9) are located between baffle (3) and bottom plate (4).

2. The low-voltage drawer cabinet as claimed in claim 1, wherein: the plurality of radiating fins (9) are obliquely arranged relative to the bottom plate (4), and corresponding vent holes (8) between the partition plate (3) and the bottom plate (4) are communicated through cavities between the adjacent radiating fins (9).

3. The low-voltage drawer cabinet as claimed in claim 2, wherein: the heights of the bottom ends of the two side walls (7) are lower than the heights of the bottom ends of the radiating fins (9), and cavities formed among the plurality of radiating fins (9) are communicated with the radiating holes (10) in the side walls (7).

4. A low-voltage drawer cabinet according to claim 1, 2 or 3, characterized in that: the radiating fins (9) are obliquely arranged relative to the side walls (7), and the heat radiating holes (10) in the two side walls (7) are correspondingly communicated by the cavities between the adjacent radiating fins (9).

5. A low-voltage drawer cabinet according to claim 1, 2 or 3, characterized in that: two lateral wall (7) all are provided with a plurality of and arrange sunken district (11) and evagination district (12) that the direction set up in turn along fin (9), louvre (10) are located sunken district (11), the both ends of fin (9) all are connected with evagination district (12).