CN216312515U

CN216312515U - Electric box for electric automation engineering

Info

Publication number: CN216312515U
Application number: CN202123134223.1U
Authority: CN
Inventors: 杨飞龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-15
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an electric box for electric automation engineering, which comprises a box body and is characterized in that a box cover is movably sleeved at the top of the box body, a movable cavity, a driving cavity and a vertical cavity are respectively formed in the box body, a base is fixedly arranged in the driving cavity, a driving motor is fixedly arranged in the base, and the output end of the driving motor is fixedly connected with a transmission shaft. The driving motor drives the transmission shaft to transmit the first gear and the second gear which are meshed with each other, and the third gear and the fourth gear which are meshed with each other are transmitted, so that the fan blade on the rotating shaft rotates, when the fan blade rotates, cold air entering from the air inlet is accelerated to be discharged onto the electrical equipment, and hot air generated when the electrical equipment operates is pressed; the nut drives the sealing heat-conducting piece to move downwards through the bracket by the rotation of the screw rod so as to contact with high-temperature electrical equipment for heat conduction; the movable cavity of the box body is in a negative pressure state by moving the sealing heat-conducting piece upwards, so that the hot air is accelerated to be discharged.

Description

Electric box for electric automation engineering

Technical Field

The utility model relates to the technical field of electrical boxes, in particular to an electrical box for electrical automation engineering.

Background

The electric box is an integrated box for various electrical equipment to correspondingly control the equipment, the technology is developed rapidly nowadays, and the requirement on the electric box is more and more strict.

At present, the fan in the collection box directly dispels the heat to electrical equipment, and this kind of radiating mode is comparatively general, but radiating result often is not fully satisfactory, and its reason mainly appears: the air circulation nature in the integrated box is not up to standard, and the inside temperature of integrated box can increase thereupon along with electrical equipment continuous operation, and the produced steam of electrical equipment can only pile up in the integrated box, leads to the high temperature in the integrated box for electrical equipment easily because of the high accelerated ageing of temperature, and the electrical equipment loss is too big, and more serious condition is that the high temperature leads to the inside conflagration that takes place of integrated box, and produced loss is more tragic.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the electrical box in the prior art is difficult to circularly radiate heat, and provides an electrical box for electrical automation engineering.

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

an electric box for electric automation engineering comprises a box body, wherein a box cover is movably sleeved at the top of the box body, a movable cavity, a driving cavity and a vertical cavity are respectively formed in the box body, a base is fixedly installed in the driving cavity, a driving motor is fixedly installed in the base, the output end of the driving motor is fixedly connected with a transmission shaft, a lead screw and a rotating shaft are respectively and rotatably installed in the driving cavity, a first gear and a second gear which are connected in a meshed mode are respectively fixedly sleeved on the transmission shaft and the lead screw in a sleeved mode, a third gear and a fourth gear which are connected in a meshed mode are respectively fixedly sleeved on the lead screw and the rotating shaft in a sleeved mode, and fan blades are fixedly installed at the output end of the rotating shaft;

the lead screw is provided with a nut in a matching manner, the nut is fixedly connected with a support, the bottom of the support is fixedly provided with a sealing heat-conducting piece, a bearing screen plate is fixedly arranged in the movable cavity, and the box body is respectively provided with an air inlet and an air outlet.

Preferably, the driving cavity is arranged at the lower end of the box body, and the movable cavity with an opening at the top end is arranged at the upper end of the box body.

Preferably, the case lid dismantled and assembled ground fixed mounting in activity chamber top open position, and erect the chamber and vertically be located activity chamber both sides position, the lead screw vertically extends to in the perpendicular chamber.

Preferably, the bearing screen plate is horizontally arranged in the lower end of the movable cavity, and the fan blades are positioned below the bearing screen plate.

Preferably, the support is horizontally arranged, and two ends of the support are respectively sleeved in the vertical cavity in a sliding manner.

Preferably, the air inlet is communicated with the lower end of the movable cavity, the air outlet is communicated with the upper end of the movable cavity, and a one-way valve is arranged in the air inlet in a matched manner.

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

1. the driving motor drives the transmission shaft to transmit the first gear and the second gear which are meshed with each other, and the third gear and the fourth gear which are meshed with each other are transmitted, so that the fan blades on the rotating shaft rotate, and when the fan blades rotate, cold air entering from the air inlet is accelerated to be discharged onto the electrical equipment, so that hot air generated when the electrical equipment operates is pressed and discharged.

2. According to the utility model, the nut drives the sealing heat-conducting piece to move downwards through the bracket by rotating the lead screw so as to contact with high-temperature electrical equipment for heat conduction; the movable cavity of the box body is in a negative pressure state by moving the sealing heat-conducting piece upwards, so that the hot air is accelerated to be discharged.

In summary, the driving motor drives the transmission shaft to transmit the first gear and the second gear which are meshed with each other, and the third gear and the fourth gear which are meshed with each other transmit, so that the fan blades on the rotating shaft rotate, and when the fan blades rotate, cold air entering from the air inlet is accelerated to be discharged onto the electrical equipment, so as to press hot air generated when the electrical equipment operates; the nut drives the sealing heat-conducting piece to move downwards through the bracket by the rotation of the screw rod so as to contact with high-temperature electrical equipment for heat conduction; the movable cavity of the box body is in a negative pressure state by moving the sealing heat-conducting piece upwards, so that the hot air is accelerated to be discharged.

Drawings

Fig. 1 is a schematic structural diagram of an electrical box for electrical automation engineering according to the present invention;

fig. 2 is a schematic perspective view of a box body of an electrical box for electrical automation engineering according to the present invention;

fig. 3 is an enlarged schematic view of a part a of an electrical box for electrical automation engineering according to the present invention;

fig. 4 is a schematic diagram of an internal structure of an electrical box for electrical automation engineering according to the present invention.

In the figure: the device comprises a box body 1, a box cover 2, a movable cavity 3, a driving cavity 4, a base 5, a driving motor 6, a transmission shaft 7, a lead screw 8, a rotating shaft 9, a first gear 10, a second gear 11, a third gear 12, a fourth gear 13, fan blades 14, a vertical cavity 15, a support 16, a nut 17, a sealed heat-conducting piece 18, a bearing screen plate 19, an air outlet 20, an air inlet 21 and a one-way valve 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an electric box for electric automation engineering comprises a box body 1, a box cover 2 is movably sleeved at the top of the box body 1, a movable cavity 3, a driving cavity 4 and a vertical cavity 15 are respectively formed in the box body 1, a base 5 is fixedly installed in the driving cavity 4, the box cover 2 is detachably and fixedly installed at an opening position at the top end of the movable cavity 3, electrical equipment can be rapidly replaced through the box cover 2, the vertical cavity 15 is vertically positioned at two sides of the movable cavity 3, a lead screw 8 vertically extends into the vertical cavity 15, a driving motor 6 is fixedly installed in the base 5, the type of the driving motor is set to be Y315M-2, and the output end of the driving motor 6 is fixedly connected with a transmission shaft 7;

the driving cavity 4 is arranged at the lower end of the box body 1, the movable cavity 3 with an opening at the top end is arranged at the upper end of the box body 1, a lead screw 8 and a rotating shaft 9 are respectively and rotatably arranged in the driving cavity 4, a first gear 10 and a second gear 11 which are connected in a meshing way are respectively and fixedly sleeved on a transmission shaft 7 and the lead screw 8, the first gear 10 and the second gear 11 are bevel gears, a third gear 12 and a fourth gear 13 which are connected in a meshing way are respectively and fixedly sleeved on the lead screw 8 and the rotating shaft 9, the rotating base 5 is arranged at the bottom of the rotating shaft 9, the base 5 realizes the supporting effect on the rotating shaft 9, a fan blade 14 is fixedly arranged at the output end of the rotating shaft 9, cold air flowing in the movable cavity 3 is contacted with heat generated by electrical equipment through the fan blade 14, so as to reduce the self temperature of the electrical equipment, simultaneously extrude high-temperature hot air in the movable cavity 3, accelerate the high-temperature heat speed, and further reduce the environment temperature in the movable cavity 3, the electric equipment is prevented from being damaged due to overhigh temperature;

the screw 8 is provided with a nut 17 in a matching manner, the nut 17 is fixedly connected with a support 16, the support 16 is horizontally arranged, two ends of the support 16 are respectively sleeved in the vertical cavity 15 in a sliding manner, the nut 17 on the screw 8 slides in the vertical cavity 15 to realize a guiding effect on the support 16, the vertical cavity 15 realizes a limiting effect on the nut 17, when the support 16 drives the sealing heat-conducting piece 18 to move upwards, hot air circulating at the bottom can rise to the air outlet 20 and be discharged, the support 16 reciprocates to continuously extrude and discharge the hot air at the bottom, the air circulation inside the movable cavity 3 is ensured, and the integral cooling of the inside of the electric box is realized;

the bottom of the support 16 is fixedly provided with a sealing heat conducting piece 18, the sealing heat conducting piece 18 is enabled to directly contact with electrical equipment by reciprocating up and down movement of the support 16, heat on the electrical equipment can be quickly and continuously absorbed and conducted by intermittent movement of the sealing heat conducting piece 18, the requirement of quick cooling is met, the internal electrical equipment is protected, a bearing screen plate 19 is fixedly arranged in the movable cavity 3, the bearing screen plate 19 can block parts falling accidentally and prevent the parts from falling onto the fan blades 14 and causing the parts not to continuously run, the bearing screen plate 19 can support the electrical equipment, hot air generated by the electrical equipment in the supporting process is quickly blown to the upper part by the fan blades 14 at the bottom so as to achieve the effect of continuous cooling, the bearing screen plate 19 is horizontally arranged in the lower end of the movable cavity 3, the fan blades are positioned below the bearing screen plate 19, and the box body 1 is respectively provided with an air inlet 21 and an air outlet 20, the air inlet 21 is communicated with the lower end of the movable cavity 3, the air outlet 20 is communicated with the upper end of the movable cavity 3, and the one-way valve 22 is arranged in the air inlet 21 in a matching way, so that high-temperature hot air cannot be discharged from the air inlet 21 under the pressurization effect of the sealing heat-conducting piece 18.

The utility model can be illustrated by the following operating modes:

the box cover 2 is opened to place the electrical equipment in the movable cavity 3;

starting a driving motor 6 in a base 5, wherein the driving motor 6 drives a screw 8 to rotate through a first gear 10 and a second gear 11 which are meshed with each other, and the screw 8 drives a rotating shaft 9 to transmit through a third gear 12 and a fourth gear 13 which are meshed with each other;

the fan blades 14 are rotated by the rotating shaft 9, and the cold air entering through the air inlet 21 is accelerated to move into the movable cavity 3 so as to press and discharge high-temperature hot air;

the screw 8 rotates so that the nut 17 moves up and down:

the nut 17 drives the sealing heat-conducting piece 18 to move downwards through the bracket 16, and when the sealing heat-conducting piece 18 is in contact with electrical equipment, heat conduction and temperature reduction can be realized;

the nut 17 drives the sealing heat-conducting piece 18 to move upwards through the bracket 16, the sealing heat-conducting piece 18 moves upwards to enable the movable cavity 3 to be in a negative pressure state, and when the sealing heat-conducting piece 18 moves to a position above the air outlet 20, high-temperature hot air in the movable cavity 3 is discharged outwards through the air outlet 20.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The electric box for the electric automation engineering comprises a box body (1) and is characterized in that a box cover (2) is movably sleeved at the top of the box body (1), a movable cavity (3), a driving cavity (4) and a vertical cavity (15) are respectively arranged in the box body (1), a base (5) is fixedly arranged in the driving cavity (4), a driving motor (6) is fixedly arranged in the base (5), a transmission shaft (7) is fixedly connected with an output end of the driving motor (6), a lead screw (8) and a rotating shaft (9) are respectively rotatably arranged in the driving cavity (4), a first gear (10) and a second gear (11) which are connected in a meshing manner are respectively fixedly sleeved on the transmission shaft (7) and the lead screw (8), and a third gear (12) and a fourth gear (13) which are connected in a meshing manner are respectively fixedly sleeved on the lead screw (8) and the rotating shaft (9), the output end of the rotating shaft (9) is fixedly provided with a fan blade (14);

the lead screw is characterized in that a nut (17) is mounted on the lead screw (8) in a matched mode, a support (16) is fixedly connected onto the nut (17), a sealing heat conducting piece (18) is fixedly mounted at the bottom of the support (16), a bearing screen plate (19) is fixedly mounted in the movable cavity (3), and an air inlet (21) and an air outlet (20) are respectively formed in the box body (1).

2. The electrical box for electrical automation engineering according to claim 1, characterised in that the driving chamber (4) opens at a lower end position of the box body (1) and the open-topped moving chamber (3) opens at an upper end position of the box body (1).

3. The electrical box for electrical automation engineering according to claim 2, wherein the box cover (2) is removably and fixedly mounted at an open position at the top end of the movable cavity (3), and the vertical cavity (15) is vertically positioned at two sides of the movable cavity (3), and the lead screw (8) vertically extends into the vertical cavity (15).

4. The electrical box for electrical automation engineering according to claim 3, characterised in that the load-bearing screen (19) is arranged horizontally in the lower end of the movable chamber (3) and the fan blades are located at a position below the load-bearing screen (19).

5. The electrical box for electrical automation engineering according to claim 3, characterised in that the bracket (16) is horizontally arranged and both ends of the bracket (16) are respectively slidably sleeved in the vertical cavity (15).

6. The electrical box for electrical automation engineering according to claim 4, characterised in that the air inlet (21) is in communication with the lower end of the movable chamber (3) and the air outlet (20) is in communication with the upper end of the movable chamber (3), the air inlet (21) being fitted with a non-return valve (22).