CN219535233U

CN219535233U - Block terminal that leakproofness is good

Info

Publication number: CN219535233U
Application number: CN202320318176.6U
Authority: CN
Inventors: 周林
Original assignee: Sichuan Mianzhu Xinan Electrical Appliance Switch Co ltd
Current assignee: Sichuan Mianzhu Xinan Electrical Appliance Switch Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-15
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a distribution box with good sealing performance, which relates to the technical field of distribution boxes, and comprises an outer shell, wherein an inner shell is arranged in the outer shell, a heat dissipation cavity is arranged between the inner shell and the outer shell, a heat conduction plate is fixedly arranged on the surface of the inner shell in an embedding manner, a refrigerating plate is arranged on one side of the heat conduction plate, which is contacted with the inner part of the heat dissipation cavity, a heat dissipation fin is arranged at the heat dissipation end of the refrigerating plate, the heat dissipation fin covers the outer surface of the inner shell, an air inlet is arranged at the top end of one side of the heat dissipation cavity, an air outlet is arranged at the bottom end of the other side of the heat dissipation cavity, the heat dissipation cavity is arranged between the outer shell and the inner shell, and the heat generated by the operation of an electric appliance in the distribution box is transferred into the heat dissipation cavity by utilizing the heat conduction plate, the refrigerating plate and the heat dissipation fin in a matched with an air exhaust fan for ventilation and heat dissipation.

Description

Block terminal that leakproofness is good

Technical Field

The utility model relates to the technical field of distribution boxes, in particular to a distribution box with good sealing performance.

Background

The distribution box is electric equipment, has the characteristics of small volume, simple installation, special technical performance, fixed position, unique configuration function, no site limitation, more common application, stable and reliable operation, high space utilization rate, small occupied area and environmental protection effect, and mass parameters on the distribution box data generally form low-voltage forest to be electrically connected, and switch equipment, measuring instruments, protection appliances and auxiliary equipment are required to be assembled in a closed or semi-closed metal cabinet or on a screen, so that the low-voltage distribution box is formed. The circuit can be switched on or off by means of a manual or automatic switch during normal operation.

At present, the current block terminal mostly has the louvre, general louvre sets up in the both sides of block terminal, adopts ventilation and heat dissipation's mode to dispel the heat to the inside of block terminal, and the leakproofness of such design seriously influences the inside leakproofness of block terminal, and the leakproofness is poor can lead to the humiture of outside air or the dust in the air to cause serious influence to the inside electrical apparatus of block terminal, probably can lead to the line connection to appear the condition of short circuit, influences the normal use of the inside electrical apparatus of block terminal, consequently we propose a block terminal that the leakproofness is good to this solves the problem of above-mentioned.

Disclosure of Invention

Aiming at the problems, the utility model provides the distribution box with good sealing performance, which has good sealing performance, ensures heat dissipation and effectively improves the sealing performance inside the distribution box.

The technical scheme of the utility model is as follows:

the utility model provides a block terminal that leakproofness is good, includes shell body, heat conduction board and refrigeration piece, the inside of shell body is equipped with the inner shell body, be equipped with the heat dissipation chamber between inner shell body and the shell body, the fixed heat conduction board that is equipped with of surface of inner shell body through the mode of inlaying, heat conduction board and inner shell body sealing connection, one side that heat conduction board and heat dissipation intracavity portion contacted is equipped with the refrigeration piece, the heat absorption end of refrigeration piece is fixed to be set up in one side central point of heat conduction board through the heat conduction silicone grease that is equipped with, the heat release end of refrigeration piece is fixed through the heat conduction silicone grease that is equipped with and is provided with radiating fin, radiating fin covers the external surface of inner shell body, one side top of heat dissipation chamber is equipped with the air inlet, the opposite side bottom of heat dissipation chamber is equipped with the gas vent.

In further technical scheme, outside one side of shell body is equipped with the chamber door, one side of chamber door is through the hinge and the shell body swing joint that are equipped with, one side that the inner shell body is close to the chamber door is equipped with first sealed pad all around, first sealed pad is through the inner wall fixed connection of mode and the inner shell body of veneer, one side of shell body is fixed through the mode of veneer all around and is equipped with the second sealed pad.

In a further technical scheme, the outside of refrigeration piece is equipped with the heat conduction stick all around, the fixed periphery that sets up in the refrigeration piece of heat conduction stick, the both sides of heat conduction stick respectively with heat-conducting plate and fin in close contact.

In a further technical scheme, the inner sides of the air inlet and the air outlet are respectively provided with an air suction fan, and the air suction fans are respectively arranged on the inner sides of the air inlet and the air outlet through mounting screws.

In a further technical scheme, the outsides of the air inlet and the air outlet are provided with dustproof nets, and the peripheries of the dustproof nets are fixedly arranged on the outsides of the air inlet and the air outlet through sealing glue.

In a further technical scheme, one side of the box door is provided with a sealing bulge, the periphery of the sealing bulge is also provided with a second sealing gasket, and the second sealing gasket is fixedly arranged on the periphery of the sealing bulge in a gluing mode.

The beneficial effects of the utility model are as follows:

1. the heat dissipation cavity is arranged between the outer shell and the inner shell, and the heat generated by the operation of the electric appliance in the distribution box is transferred to the inside of the heat dissipation cavity by utilizing the heat conduction plate, the refrigerating sheet and the heat dissipation fins and then matching with the air exhaust fan in a heat conduction mode, so that the heat dissipation efficiency is ensured, and meanwhile, the tightness of the distribution box is effectively ensured;

2. through setting up sealed protruding in chamber door one side periphery to be equipped with sealed bellied one side periphery at sealed protruding and chamber door and set up the second and seal up, the inboard first sealed pad of casing in cooperation realizes the bilayer seal between chamber door and the block terminal inner wall, guarantees the leakproofness between chamber door and the interior casing.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the inner side structure of a door according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a heat dissipation chamber according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a refrigerating sheet according to an embodiment of the present utility model.

Reference numerals illustrate:

1. an outer housing; 2. a door; 3. a first gasket; 4. a second gasket; 5. a sealing protrusion; 6. an inner housing; 7. a heat conductive plate; 8. a heat dissipation cavity; 9. an air inlet; 10. a dust screen; 11. an exhaust port; 12. an air extraction fan; 13. a cooling sheet; 14. a heat conduction rod; 15. and a heat radiating fin.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-4, a block terminal that leakproofness is good, including shell body 1, heat conduction board 7 and refrigeration piece 13, the inside of shell body 1 is equipped with interior casing 6, be equipped with heat dissipation chamber 8 between interior casing 6 and the shell body 1, the fixed heat conduction board 7 that is equipped with in surface of interior casing 6 through the mode of inlaying, heat conduction board 7 and interior casing 6 sealing connection, one side of heat conduction board 7 and the inside contact of heat dissipation chamber 8 is equipped with refrigeration piece 13, the heat absorption end of refrigeration piece 13 is fixed to be set up in one side central point of heat conduction board 7 through the heat conduction silicone grease that is equipped with, the heat dissipation end of refrigeration piece 13 is fixed through the heat conduction silicone grease that is equipped with is provided with fin 15, fin 15 covers the external surface of interior casing 6, one side top of heat dissipation chamber 8 is equipped with air inlet 9, the opposite side bottom of heat dissipation chamber 8 is equipped with gas vent 11.

In further technical scheme, outside one side of shell 1 is equipped with chamber door 2, and hinge and shell 1 swing joint that is equipped with are passed through to one side of chamber door 2, and one side that inner shell 6 is close to chamber door 2 is equipped with first sealed pad 3 all around, and first sealed pad 3 is through the inner wall fixed connection of mode and inner shell 6 of veneer, and one side of shell 1 is fixed through the mode of veneer all around and is equipped with second sealed pad 4.

In a further technical scheme, the outer periphery of the refrigerating sheet 13 is provided with heat conducting rods 14, the heat conducting rods 14 are fixedly arranged on the periphery of the refrigerating sheet 13, and two sides of the heat conducting rods 14 are respectively in close contact with the heat conducting plate 7 and the radiating fins 15.

In a further technical scheme, the air inlet 9 and the air outlet 11 are respectively provided with an air suction fan 12, and the air suction fans 12 are respectively arranged on the inner sides of the air inlet 9 and the air outlet 11 through mounting screws.

In a further technical scheme, the outsides of the air inlet 9 and the air outlet 11 are respectively provided with a dustproof net 10, and the periphery of the dustproof net 10 is fixedly arranged on the outsides of the air inlet 9 and the air outlet 11 through sealing glue.

In a further technical scheme, one side of the box door 2 is provided with a sealing bulge 5, the periphery of the sealing bulge 5 is also provided with a second sealing gasket 4, and the second sealing gasket 4 is fixedly arranged on the periphery of the sealing bulge 5 in a gluing mode.

The working principle of the technical scheme is as follows:

through set up heat dissipation chamber 8 in the casing inside of block terminal to set up heat-conducting plate 7 at the inner wall surface of inner casing 6, make when electrical equipment is in operation, the heat that produces passes through heat-conducting plate 7 with the heat transfer to the heat absorption end of refrigeration piece 13, then pass through the heat dissipation end of refrigeration piece 13 with the heat transfer to radiating fin 15, outside air is extracted from air inlet 9 through air bleed fan 12, the inside of leading into heat dissipation chamber 8 after filtering through dust screen 10, carry out ventilation and heat dissipation to radiating fin 15 inside heat dissipation chamber 8, then will have the radiating air by air bleed fan 12 of gas vent 11 inboard to discharge, realize radiating purpose, the second sealing pad 4 that is equipped with in the periphery of rethread chamber door 2 one side and sealing protrusion 5 periphery, cooperation first sealing pad 3, guarantee the leakproofness between chamber door 2 and the block terminal inner housing 6, such design can reach good radiating effect when guaranteeing the inside leakproofness of block terminal, the influence that outside dust or humiture caused the block terminal inside is sealed to effectual.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a block terminal that leakproofness is good, includes shell body, heat conduction board and refrigeration piece, its characterized in that, the inside of shell body is equipped with the inner shell body, be equipped with the heat dissipation chamber between inner shell body and the shell body, the fixed heat conduction board that is equipped with of surface of inner shell body through the mode of inlaying, heat conduction board and inner shell body sealing connection, one side that heat conduction board and heat dissipation intracavity portion contacted is equipped with the refrigeration piece, the heat absorption end of refrigeration piece is fixed to be set up in one side central point of heat conduction board through the heat conduction silicone grease that is equipped with, the heat release end of refrigeration piece is fixed through the heat conduction silicone grease that is equipped with and is provided with radiating fin, radiating fin covers the external surface of inner shell body, one side top of heat dissipation chamber is equipped with the air inlet, the opposite side bottom of heat dissipation chamber is equipped with the gas vent.

2. The good-tightness distribution box of claim 1, wherein: the outer shell is characterized in that a box door is arranged on one side of the outer shell, one side of the box door is movably connected with the outer shell through a hinge, a first sealing gasket is arranged on the periphery of one side, close to the box door, of the inner shell, the first sealing gasket is fixedly connected with the inner wall of the inner shell in a gluing mode, and a second sealing gasket is fixedly arranged on the periphery of one side of the outer shell in a gluing mode.

3. The good-tightness distribution box of claim 1, wherein: the outside of refrigeration piece is equipped with the heat conduction stick all around, the fixed periphery that sets up in the refrigeration piece of heat conduction stick, the both sides of heat conduction stick respectively with heat-conducting plate and radiating fin in close contact.

4. The good-tightness distribution box of claim 1, wherein: the air inlet and the inner side of the air outlet are respectively provided with an air suction fan, and the air suction fans are respectively arranged on the inner sides of the air inlet and the air outlet through mounting screws.

5. The good-tightness distribution box of claim 1, wherein: the outside of air inlet and gas vent all is equipped with the dust screen, the sealing gum that is equipped with is fixed in the outside of air inlet and gas vent all around the dust screen.

6. The good-tightness distribution box of claim 2, wherein: one side of the box door is provided with a sealing bulge, the periphery of the sealing bulge is also provided with a second sealing gasket, and the second sealing gasket is fixedly arranged on the periphery of the sealing bulge in a gluing mode.