CN215071250U

CN215071250U - Heat dissipation box of electric control cabinet

Info

Publication number: CN215071250U
Application number: CN202121279650.6U
Authority: CN
Inventors: 安冰冰
Original assignee: Qingdao Juzhui Automation Technology Co ltd
Current assignee: Qingdao Juzhui Automation Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-07
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a heat dissipation box of automatically controlled cabinet relates to automatically controlled cabinet technical field, and it includes automatically controlled cabinet body, the equal fixedly connected with diaphragm of automatically controlled cabinet body both sides wall, this internal cooling mechanism that is used for reducing the internal portion temperature of cabinet that is equipped with of automatically controlled cabinet, cooling mechanism includes the driving motor of fixed connection bottom in automatically controlled cabinet body, driving motor's output shaft fixedly connected with axis of rotation, a plurality of radiator vane of axis of rotation lateral wall fixedly connected with, two casings of bottom fixedly connected with in the automatically controlled cabinet body, two semiconductor refrigeration pieces of the equal fixedly connected with of casing lateral wall. The utility model discloses set up radiator vane and casing, radiator vane blows in the cabinet body everywhere with the interior exhaust cold air of casing, has realized the rapid cooling of the internal portion of cabinet, in addition through the removal of piston for it is internal that the cabinet is constantly sent into to the air, thereby has guaranteed the stability of device refrigeration effect.

Description

Heat dissipation box of electric control cabinet

Technical Field

The utility model relates to an automatically controlled cabinet technical field especially relates to a heat dissipation box of automatically controlled cabinet.

Background

The electric control cabinet is a control cabinet (box) which assembles switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement, and the arrangement of the electric control cabinet meets the requirement of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment.

The existing electric control cabinet is poor in heat dissipation effect, natural ventilation and heat dissipation are carried out only through the arrangement of the heat dissipation port, the heat dissipation mode is suitable for the situation with proper temperature, but the heat dissipation efficiency which only depends on natural ventilation is very low in the continuous high-temperature heat season, the potential safety hazards of spontaneous combustion and burning-out can be caused by continuous overheating of internal devices in the long-term use, and therefore the problem needs to be solved by designing the heat dissipation box body of the electric control cabinet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat dissipation box body of an electric control cabinet.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat dissipation box of automatically controlled cabinet, includes automatically controlled cabinet body, the equal fixedly connected with diaphragm of automatically controlled cabinet body both sides wall, this internal cooling mechanism that is used for reducing the internal portion temperature of cabinet that is equipped with of automatically controlled cabinet, cooling mechanism includes the driving motor of fixed connection bottom in automatically controlled cabinet body, driving motor's output shaft fixedly connected with axis of rotation, a plurality of radiator blade of axis of rotation lateral wall fixedly connected with, two casings of bottom fixedly connected with in automatically controlled cabinet body, two the equal fixedly connected with two semiconductor refrigeration pieces of casing lateral wall, two the casing lateral wall all communicates and is equipped with the blast pipe, this internal mechanism that admits air that is equipped with two to the casing of injecting into of automatically controlled cabinet.

Preferably, the air inlet mechanism comprises a fixed cylinder fixedly connected to the bottom in the electric control cabinet body, a piston is arranged in the fixed cylinder, the lower end of the transverse plate is rotatably connected with a reciprocating lead screw, a sleeve is sleeved on the side wall of the reciprocating lead screw, the lower end of the sleeve penetrates through the upper end of the fixed cylinder and is fixedly connected with the upper end of the piston, and the upper end of the fixed cylinder is communicated with the upper end of the shell through an air outlet pipe.

Preferably, the upper end of the piston is provided with a circulating pipe in a penetrating manner, the circulating pipe is provided with a first one-way valve, the air outlet pipe is provided with a second one-way valve, and the lower end of the fixed cylinder is provided with an air inlet pipe in a penetrating manner, wherein the air inlet pipe penetrates through the lower end of the electric control cabinet body.

Preferably, the cross section of the outer ring of the sleeve is rectangular, the cross section of the inner ring of the sleeve is circular, the inner wall of the sleeve is provided with threads matched with the reciprocating lead screw, and the reciprocating lead screw is in transmission connection with the rotating shaft through a belt.

Preferably, two the equal fixedly connected with a plurality of guide plates of casing both sides wall, it is a plurality of the guide plate all inclines to set up.

Preferably, the two side walls of the electric control cabinet body are provided with heat dissipation ports, and the two heat dissipation ports are provided with dust screens.

The utility model discloses in, following beneficial effect has:

1. the device is provided with a cooling mechanism, an output shaft of a driving motor drives a rotating shaft to rotate, the rotating shaft drives radiating blades to rotate to radiate the inside of the cabinet body, a semiconductor refrigerating sheet absorbs heat to refrigerate air flowing along a guide plate, cold air is discharged from an exhaust pipe, and the cold air is blown into the upper part of the cabinet body under the rotation of the radiating blades to rapidly cool and radiate the inside of the cabinet body, so that the overhigh temperature of the inside of the cabinet body is avoided, and the radiating effect of the device is improved;

2. the device is provided with the air inlet mechanism, the two reciprocating screw rods are driven to rotate through belt transmission in the rotating process of the rotating shaft, the sleeve drives the piston to move in the rotating process of the reciprocating screw rods, and air is continuously fed into the shell in the up-and-down reciprocating movement process of the piston, so that cold air is always discharged from the interior of the shell, and the refrigeration effect of the device is further ensured to be stable;

3. the device is provided with the guide plate, the guide plate is obliquely arranged, so that the air is retained in the shell for a longer time along the movement of the guide plate in the shell, the semiconductor refrigerating sheet has enough time to absorb heat and refrigerate the air, and the condition that enough cold air is blown into the cabinet body is ensured.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation box of an electric control cabinet according to the present invention;

fig. 2 is the utility model provides a fixed section of thick bamboo and sleeve assembly drawing of heat dissipation box of automatically controlled cabinet.

In the figure: the automatic control cabinet comprises an electric control cabinet body 1, a driving motor 2, a heat dissipation opening 3, a transverse plate 4, a reciprocating screw rod 5, a rotating shaft 6, a heat dissipation blade 7, a fixed cylinder 8, a sleeve 9, a piston 10, a circulation pipe 11, an air outlet pipe 12, an air outlet pipe 13, a shell 14, a semiconductor refrigeration piece 15, an air inlet pipe 16, a dust screen 17, a first check valve 18, a second check valve 19 and a guide plate 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heat dissipation box of electric control cabinet, includes electric control cabinet body 1, and the equal fixedly connected with diaphragm 4 of 1 both sides wall of electric control cabinet body, and 1 both sides wall of electric control cabinet body all is equipped with thermovent 3, all is equipped with dust screen 17 on two thermovents 3, and the setting of thermovent 3 can satisfy the natural draft requirement of electric control cabinet body 1.

The electric control cabinet body 1 is internally provided with a cooling mechanism for reducing the internal temperature of the cabinet body, the cooling mechanism comprises a driving motor 2 fixedly connected with the bottom in the electric control cabinet body 1, an output shaft of the driving motor 2 is fixedly connected with a rotating shaft 6, the side wall of the rotating shaft 6 is fixedly connected with a plurality of radiating blades 7, the bottom in the electric control cabinet body 1 is fixedly connected with two shells 14, the side walls of the two shells 14 are respectively and fixedly connected with two semiconductor refrigerating sheets 15, the side walls of the two shells 14 are respectively communicated with an exhaust pipe 13, the two side walls of the two shells 14 are respectively and fixedly connected with a plurality of guide plates 20, the plurality of guide plates 20 are obliquely arranged, air entering the shells 14 flows along the guide plates 20, so that the air can have enough time to be cooled under the refrigerating effect of the semiconductor sheets 15, the semiconductor refrigerating sheets 15 utilize the Peltier effect of semiconductor materials, when direct current passes through couples formed by serially connecting two different semiconductor materials, the two ends of the couple can respectively absorb heat and emit heat, thereby achieving the purpose of refrigeration.

Be equipped with two air inlet mechanisms of injecting the air into casing 14 in the automatically controlled cabinet body 1, air inlet mechanism includes the solid fixed cylinder 8 of fixed connection bottom in automatically controlled cabinet body 1, be equipped with piston 10 in the solid fixed

cylinder

8, 4 lower extremes of diaphragm rotate and are connected with reciprocal lead screw 5, reciprocal lead screw 5 lateral wall has cup jointed sleeve 9, the sleeve 9 lower extreme run through solid fixed cylinder 8 upper end and with piston 10 upper end fixed connection, gu fixed cylinder 8 upper end is through

outlet duct

12 and 14 upper end intercommunication of casing, piston 10 upper end runs through and is equipped with runner pipe 11, be equipped with first check valve 18 on the runner pipe 11, be equipped with second check valve 19 on the outlet duct 12, first check valve 18 makes unable backward flow after the air admission casing 14 in the solid fixed cylinder 8 with the setting up of second check valve 19, gu fixed cylinder 8 lower extreme intercommunication is equipped with the intake pipe 16 that runs through automatically controlled cabinet body 1 lower extreme.

The utility model discloses in, sleeve 9 outer lane cross section is the rectangle, and sleeve 9 inner circle cross section is circular for 8 lateral walls of solid fixed cylinder carry on spacingly to sleeve 9, make when reciprocal lead screw 5 rotates, sleeve 9 can't take place to rotate, and then make sleeve 9 drive piston 10 can only reciprocate, and sleeve 9 inner wall is equipped with the screw thread that matches with reciprocal lead screw 5, and reciprocal lead screw 5 passes through the belt and is connected with the 6 transmissions of axis of rotation.

When the air cooling cabinet is used, the driving motor 2 is started, an output shaft of the driving motor 2 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the radiating blades 7 to rotate to radiate heat inside the cabinet body, the rotating shaft 6 drives the two reciprocating lead screws 5 to rotate through belt transmission in the rotating process, the sleeve 9 moves up and down under the limit of the side wall of the fixed cylinder 8 in the rotating process of the reciprocating lead screws 5, the sleeve 9 drives the piston 10 to move, air is extruded into the air outlet pipe 12 and the shell 14 in the upward moving process of the piston 10, when the piston 10 moves downward, external air enters the fixed cylinder 8 from the air inlet pipe 16, the pressure above the piston 10 is smaller, the pressure below the piston 10 is large, the air enters the upper end of the piston 10 through the circulating pipe 11 under the action of the pressure, and in the upward and downward reciprocating movement process of the piston 10, the air is continuously sent into the shell 14;

starting drive motor 2 and starting semiconductor refrigeration piece 15 simultaneously, semiconductor refrigeration piece 15 carries out the heat absorption refrigeration to the air that flows along guide plate 20, and cold air is discharged from blast pipe 13, and cold air is blown into cabinet body top under radiator fin 7 rotates, cools down the heat dissipation to the internal portion of cabinet.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat dissipation box body of an electric control cabinet comprises an electric control cabinet body (1) and is characterized in that, the two side walls of the electric control cabinet body (1) are fixedly connected with transverse plates (4), a cooling mechanism for reducing the temperature inside the cabinet body is arranged in the electric control cabinet body (1), the cooling mechanism comprises a driving motor (2) fixedly connected with the bottom in the electric cabinet body (1), an output shaft of the driving motor (2) is fixedly connected with a rotating shaft (6), the side wall of the rotating shaft (6) is fixedly connected with a plurality of radiating blades (7), the bottom in the electric control cabinet body (1) is fixedly connected with two shells (14), the side walls of the two shells (14) are respectively and fixedly connected with two semiconductor refrigeration sheets (15), the side walls of the two shells (14) are respectively communicated with an exhaust pipe (13), two air inlet mechanisms for injecting air into the shell (14) are arranged in the electric control cabinet body (1).

2. The heat dissipation box body of the electric cabinet according to claim 1, wherein the air inlet mechanism comprises a fixed cylinder (8) fixedly connected to the inner bottom of the electric cabinet body (1), a piston (10) is arranged in the fixed cylinder (8), a reciprocating lead screw (5) is rotatably connected to the lower end of the transverse plate (4), a sleeve (9) is sleeved on the side wall of the reciprocating lead screw (5), the lower end of the sleeve (9) penetrates through the upper end of the fixed cylinder (8) and is fixedly connected with the upper end of the piston (10), and the upper end of the fixed cylinder (8) is communicated with the upper end of the housing (14) through an air outlet pipe (12).

3. The heat dissipation box body of the electric control cabinet as claimed in claim 2, wherein a flow pipe (11) is arranged at the upper end of the piston (10) in a penetrating manner, a first one-way valve (18) is arranged on the flow pipe (11), a second one-way valve (19) is arranged on the air outlet pipe (12), and an air inlet pipe (16) arranged at the lower end of the electric control cabinet body (1) in a penetrating manner is communicated with the lower end of the fixed cylinder (8).

4. The heat dissipation box body of the electric cabinet as claimed in claim 2, wherein the cross section of the outer ring of the sleeve (9) is rectangular, the cross section of the inner ring of the sleeve (9) is circular, the inner wall of the sleeve (9) is provided with a thread matched with the reciprocating lead screw (5), and the reciprocating lead screw (5) is in transmission connection with the rotating shaft (6) through a belt.

5. The heat dissipation box body of the electric control cabinet as claimed in claim 1, wherein a plurality of guide plates (20) are fixedly connected to two side walls of the two shells (14), and the plurality of guide plates (20) are obliquely arranged.

6. The heat dissipation box body of the electric control cabinet as claimed in claim 1, wherein the two side walls of the electric control cabinet body (1) are provided with heat dissipation openings (3), and the two heat dissipation openings (3) are provided with dust screens (17).