CN209233267U - A kind of closed distribution box - Google Patents

Abstract

The utility model provides a kind of closed distribution box, including cabinet and the chamber door being hinged on cabinet, offers water storage cavity in the bottom wall of the cabinet；Cylindrical the first wind guide chamber being vertically arranged is offered in the right side wall of the cabinet；The internal upper part of the cabinet right side wall offers the second wind guide chamber being connected to first wind guide chamber；Semiconductor chilling plate is embedded on the backboard inner wall of the cabinet, wherein the refrigeration end of the semiconductor chilling plate is located in the box body, the radiating end of the semiconductor chilling plate is located at outside cabinet；The coiled pipe for being covered on semiconductor refrigerating on piece is also fixedly connected on the backboard inner wall of the cabinet；The spiral coil being vertically arranged is fixedly connected in first wind guide chamber.The utility model good heat dissipation effect, and cabinet is in closed state, and dust is difficult to enter in cabinet.

Description

A closed distribution box

technical field

The utility model relates to the technical field of distribution boxes, in particular to a closed distribution box.

Background technique

Distribution box is assembled in closed or semiclosed metal safe by electrical wiring requirement by switchgear, measuring instrument, protective device and auxiliary equipment or on screen width, forms low-voltage power distribution device, is a kind of widely used distribution device. During normal operation, the circuit can be connected or disconnected by means of a manual or automatic switch, and the electric energy can be reasonably distributed to facilitate the opening and closing operation of the circuit. There are many types of distribution boxes in the art.

The utility model with the patent number CN201720016655.7 discloses a distribution box, including a distribution box body, a base is provided at the bottom of the distribution box body, and an air intake hole is opened on the side plate of the base, and the base is Hollow structure, the inner cavity of the base is fixed with a fan, the side plate of the distribution box body is provided with evenly distributed cooling holes, the top plate of the base and the bottom plate of the distribution box body are provided with ventilation hole, the distribution box body is hinged with a box door, the box door is provided with an observation window, a mounting plate is installed in the inner cavity of the distribution box body through a sliding mechanism, and a mounting plate is installed on the mounting plate slots and mounting holes. The easy-to-install power distribution box has reasonable structural design, good heat dissipation effect, is convenient for installation of electrical components, improves installation efficiency, and has good fire performance. At the same time, the whole distribution box can be installed on the wall and has strong applicability.

Although the above-mentioned scheme can dissipate heat, the heat-dissipating effect is average only by relying on the heat-dissipating fan; and the above-mentioned scheme is provided with heat-dissipating holes, so that dust in the outside air enters the casing through the heat-dissipating holes.

Utility model content

In view of this, the purpose of the utility model is to provide a closed distribution box.

In order to solve the problems of the technologies described above, the technical solution of the utility model is:

A closed distribution box, comprising a box body and a box door hinged on the box body, the bottom wall of the box body is provided with a water storage chamber; the right side wall of the box body is provided with a cylindrical vertical The first air guide chamber is arranged vertically; the inner upper part of the right side wall of the box body is provided with a second air guide chamber communicated with the first air guide chamber; the inner wall of the backboard of the box body is embedded with semiconductor refrigeration The cooling end of the semiconductor cooling sheet is located in the box, and the heat dissipation end of the semiconductor cooling sheet is located outside the box; the inner wall of the backboard of the box is also fixedly connected with a serpentine tube covered on the semiconductor cooling sheet ; The first wind guide cavity is fixedly connected with a vertically arranged spiral coil, wherein the lower end of the spiral coil extends into the water storage cavity and is connected with the water outlet end of the water pump installed in the water storage cavity; The upper end of the spiral coil is connected to the upper end of the serpentine tube; the lower end of the serpentine tube extends into the water storage cavity; the lower part of the right side wall of the box is installed with a fan blowing toward the first air guide cavity; The inner upper part of the box is fixedly connected with several heat pipes arranged in parallel horizontally, wherein the left end of the heat pipe runs through the left side wall of the box, and the right end of the heat pipe communicates with the second air guide cavity.

Preferably, the outer tube walls of the heat-conducting tubes are all fixedly provided with spirally arranged heat-conducting fins.

Preferably, a filter cover covering the fan is provided on the outer wall of the right side wall of the box.

Preferably, a tool bag for placing tools is fixedly connected to the inner wall of the box door.

Compared with the prior art, the utility model has the advantages of:

1. The utility model is provided with a semiconductor refrigeration sheet and a serpentine tube covered on the semiconductor refrigeration sheet, so that the water flowing in the serpentine tube can be refrigerated by the semiconductor refrigeration sheet, so that the refrigerated water in the serpentine tube moves along the serpentine During the flow of the shaped tube, it will absorb the heat generated in the box to achieve the effect of cooling.

2. The utility model is equipped with a spiral coil, a heat pipe and a fan, so that the refrigerated water in the serpentine tube will flow back into the water storage chamber, and then the cold water will be pumped into the spiral coil by the water pump, so that the spiral coil is cooled. At this time, the wind blown into the first air guide cavity by the fan will be cooled when passing through the spiral coil, and the wind cooled by the spiral coil will flow into the heat conduction pipe from the second air guide cavity, and finally be discharged from the heat conduction tube; Just make the second heat pipe be cooled, so that the second heat pipe absorbs the heat of the upper part of the box body.

3. The entire box body of the utility model is in a relatively closed state when the box door is closed, so that dust in the outside air cannot enter the box body.

Description of drawings

Fig. 1 is the internal structure schematic diagram of the present utility model;

Fig. 2 is a left sectional view of the utility model;

Fig. 3 is a top view of the heat pipe of the present invention.

Reference signs: 1, box body; 101, water storage chamber; 102, first air guide chamber; 103, second air guide chamber; 2, box door; 201, tool bag; 3, semiconductor refrigeration sheet; 4, snake Shaped tube; 5, spiral coil tube; 6, water pump; 7, fan; 8, heat pipe; 801, heat conducting sheet; 9, filter cover.

Detailed ways

Below in conjunction with the accompanying drawings, the specific implementation of the utility model will be further described in detail, so as to make the technical solution of the utility model easier to understand and grasp.

Embodiment: As shown in Figures 1-3, this embodiment provides a closed distribution box, including a box body 1 and a box door 2 hinged on the box body 1, and a water storage box is provided in the bottom wall of the box body 1 Cavity 101; the right side wall of the box body 1 is provided with a first air guide chamber 102 arranged vertically in a cylindrical shape; the inner upper part of the right side wall is provided with a second air guide chamber 103 communicated with the first air guide chamber 102 The inner wall of the backboard of the box body 1 is embedded with a semiconductor cooling chip 3, wherein the cooling end of the semiconductor cooling chip 3 is located in the box body 1, and the heat dissipation end of the semiconductor cooling chip 3 is located outside the box body 1; the inner wall of the back panel of the box body 1 The serpentine tube 4 covered on the semiconductor refrigeration sheet 3 is also fixedly connected to the top; the first wind guide chamber 102 is fixedly connected with a vertically arranged spiral coil 5, wherein the lower end of the spiral coil 5 extends into the water storage chamber 101 The inside is connected with the water outlet end of the water pump 6 installed in the water storage chamber 101; the upper end of the spiral coil 5 is connected with the upper end of the serpentine pipe 4; the lower end of the serpentine pipe 4 extends into the water storage chamber 101; The lower part of the right side wall is installed with a fan 7 blowing toward the inside of the first air guide cavity 102; side wall, and the right end of the heat pipe 8 communicates with the second air guide chamber 103 .

Through the above settings, the water pump 6 pumps the water in the water storage chamber 101 into the spiral coil tube 5, then flows into the serpentine tube 4 from the spiral coil tube 5, and finally flows back into the water storage chamber 101 from the serpentine tube 4; During this process, the semiconductor cooling chip 3 is energized and cooled, so under the action of the semiconductor cooling chip 3, the water flowing in the serpentine tube 4 is refrigerated, so that the refrigerated water in the serpentine tube 4 is moving along the serpentine shape. The pipe 4 will absorb the heat generated in the tank 1 during the flow process, so as to achieve the cooling effect; the water flowing back into the water storage chamber 101 can be in a cold water state through the function of the cooling plate, so that the water pump 6 pumps the cold water into the spiral disk When the pipe 5 is in the air, the cold water will cool the spiral coil 5, and at this time, the wind blown into the first air guide chamber 102 by the fan 7 will be cooled by the spiral coil 5 during the flow in the first air guide chamber 102 , the cooled wind flows into the heat pipe 8 from the second air guide cavity 103, and finally is discharged from the heat pipe 8. The heat on the upper part is absorbed to reduce the temperature in the box body 1 . Because the heat in the upper part of the box body 1 is larger and the temperature is higher, the heat pipe 8 is arranged on the inner upper part of the box body 1 .

The outer tube wall of the heat pipe 8 is fixedly provided with a heat conduction fin 801 arranged in a spiral manner. The purpose of providing the spiral heat conducting fins 801 is to increase the heat absorption area of the heat conducting pipe 8 .

A filter cover 9 covering the fan 7 is provided on the outer wall of the right side wall of the casing 1 . The purpose of setting the filter cover 9 is to filter the air and prevent the fan 7 from bringing larger dust in the air into the first air guiding cavity 102 .

A tool bag 201 for placing tools is fixedly connected to the inner wall of the box door 2 . The purpose of providing the tool bag 201 is to facilitate the placement of maintenance tools.

The above are only typical examples of the utility model. In addition, the utility model can also have other multiple specific implementation modes. All technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope of protection required by the utility model. .

Claims (4)

1. a kind of closed distribution box, including cabinet (1) and the chamber door (2) being hinged on cabinet (1), it is characterised in that: described Water storage cavity (101) are offered in the bottom wall of cabinet (1)；Cylindrical be vertically arranged is offered in the right side wall of the cabinet (1) The first wind guide chamber (102)；The internal upper part of cabinet (1) right side wall, which is offered, to be connected to first wind guide chamber (102) Second wind guide chamber (103)；Semiconductor chilling plate (3) are embedded on the backboard inner wall of the cabinet (1), wherein the semiconductor refrigerating The refrigeration end of piece (3) is located in cabinet (1), and the radiating end of the semiconductor chilling plate (3) is located at cabinet (1) outside；The cabinet (1) coiled pipe (4) being covered on semiconductor chilling plate (3) is also fixedly connected on backboard inner wall；First wind guide chamber (102) it is fixedly connected with the spiral coil (5) being vertically arranged in, wherein water storage cavity is protruded into the lower end of the spiral coil (5) (101) it is connect in the water outlet for the water pump (6) being mounted in water storage cavity (101)；The upper end of the spiral coil (5) with it is snakelike Manage the upper end connection of (4)；The lower end of the coiled pipe (4) is protruded into water storage cavity (101)；The right side wall lower part of the cabinet (1) The fan (7) dried in one the first wind guide chamber of direction (102) is installed；The cabinet (1) if internal upper part be fixedly connected with Solid carbon dioxide puts down parallel arrangement of heat conducting pipe (8), wherein the left side wall of cabinet (1) is run through in the left end of the heat conducting pipe (8), and described leads The right end of heat pipe (8) is connected to the second wind guide chamber (103).

2. a kind of closed distribution box according to claim 1, it is characterised in that: on the outer tube wall of the heat conducting pipe (8) Equal fixing sleeve is equipped with the thermally conductive sheet (801) of spiral shell rotary setting.

3. a kind of closed distribution box according to claim 1, it is characterised in that: the right side wall outer wall of the cabinet (1) It is equipped with the filter mantle (9) for being provide with fan (7).

4. a kind of closed distribution box according to claim 1, it is characterised in that: fixed on the inner wall of the chamber door (2) It is connected with the kit bag (201) for place tool.