CN212935328U - Ventilation device in distribution box - Google Patents

Abstract

The utility model provides a ventilation unit in block terminal, including first wind scooper, the inside of spread groove is provided with the board that flow equalizes, and the equal symmetrical fixed mounting in both sides of second wind scooper has U type support, and the equal fixed mounting in one side of every U type support has reset spring, reset spring's one end fixedly connected with operation piece, and one side fixed mounting of operation piece has the bracing piece that runs through U type support and second wind scooper, and the bracing piece is located the below that the board flows equalizes. The utility model provides a ventilation unit in block terminal, through setting up the board that flow equalizes, can increase draught area, improve the radiating efficiency, through pulling the operation piece simultaneously, make reset spring tensile, realize that the bracing piece breaks away from the bottom that the board flows equalizes, convenient clean flow equalizes board, first wind scooper and second wind scooper to it is comparatively simple to have solved current ventilation unit structure, is difficult to the work of ventilating of large tracts of land, makes the radiating efficiency low, clean comparatively inconvenient problem simultaneously.

Description

Ventilation device in distribution box

Technical Field

The utility model relates to a ventilation unit technical field especially relates to a ventilation unit in block terminal.

Background

The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, and requires that a switch device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. The intelligent power distribution circuit can reasonably distribute electric energy, is convenient for opening and closing the circuit, has higher safety protection level, and can visually display the conduction state of the circuit.

The block terminal need use ventilation unit to dispel the heat when using, and current ventilation unit structure is comparatively simple, is difficult to the work of ventilating of large tracts of land for the radiating efficiency is low, and is clean comparatively inconvenient simultaneously. Therefore, it is necessary to provide a ventilation device in an electric distribution box to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilation unit in block terminal has solved current ventilation unit structure comparatively simple, is difficult to the work of ventilating of large tracts of land for the radiating efficiency is low, clean comparatively inconvenient problem simultaneously.

For solving the technical problem, the utility model provides a pair of ventilation unit in block terminal, including first wind scooper, the upper end fixed mounting of first wind scooper has cooling fan, just the bottom fixed mounting of first wind scooper has the second wind scooper, the spread groove has been seted up to the lower surface of second wind scooper, the inside of spread groove is provided with the board that flow equalizes, the equal symmetrical fixed mounting in both sides of second wind scooper has U type support, every the equal fixed mounting in one side of U type support has reset spring, reset spring's one end fixedly connected with operation block, one side fixed mounting of operation block has the bracing piece that runs through U type support and second wind scooper, the bracing piece is located the below that the board was flow equalized.

Preferably, the return spring is positioned on the outer side of the support rod, and the support rod and the operation block are of an integrally formed structure.

Preferably, both sides of the second wind scooper are fixedly provided with fixed blocks, and the front surface of each fixed block is provided with a waist hole.

Preferably, the cross section of the second air guiding cover is of a rectangular frame structure, and the second air guiding cover and the first air guiding cover are of an integrally formed structure.

Preferably, a servo motor is fixedly mounted on one side of the second air guide cover, an output shaft of the servo motor penetrates through the second air guide cover and is fixedly connected with a lead screw, a movable block is screwed on the outer side of the lead screw, a guide fixing rod connected with the second air guide cover is arranged in the movable block, and a cleaning brush is fixedly mounted on the lower surface of the movable block.

Preferably, the screw rod is located right below the guide fixing rod, and the screw rod is connected with the second air guiding cover through a bearing.

Compared with the prior art, the utility model provides a pair of ventilation unit in block terminal has following beneficial effect:

the utility model provides a ventilation unit in block terminal, through setting up the board that flow equalizes, can increase draught area, improve the radiating efficiency, through pulling the operation piece simultaneously, make reset spring tensile, realize that the bracing piece breaks away from the bottom that the board flows equalizes, convenient clean flow equalizes board, first wind scooper and second wind scooper to it is comparatively simple to have solved current ventilation unit structure, is difficult to the work of ventilating of large tracts of land, makes the radiating efficiency low, clean comparatively inconvenient problem simultaneously.

The utility model provides a ventilation unit in block terminal through starting servo motor, drives the lead screw rotation rather than output shaft, realizes that the movable block in the outside horizontal migration under the mating reaction of dead lever that leads to make the cleaning brush clean the board that flow equalizes, need not frequently carry out cleaning work, can not influence the ventilation effect.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a ventilation device in a distribution box according to the present invention;

fig. 2 is a partial enlarged view of part a of the present invention.

Reference numbers in the figures: 1. a heat radiation fan; 2. a first wind scooper; 3. a movable block; 4. a fixed block; 5. a waist hole; 6. a servo motor; 7. connecting grooves; 8. a cleaning brush; 9. a flow equalizing plate; 10. a second wind scooper; 11. a screw rod; 12. a guide fixing rod; 13. a return spring; 14. an operation block; 15. a U-shaped bracket; 16. a support rod.

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. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

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 and fig. 2, fig. 1 is a schematic structural diagram of a ventilation device in a distribution box according to a preferred embodiment of the present invention; fig. 2 is a partial enlarged view of part a of the present invention. A ventilation device in a distribution box comprises a first wind scooper 2, a heat radiation fan 1 is fixedly installed at the upper end of the first wind scooper 2, a second wind scooper 10 is fixedly installed at the bottom of the first wind scooper 2, a connecting groove 7 is formed in the lower surface of the second wind scooper 10, a flow equalizing plate 9 is arranged inside the connecting groove 7, U-shaped supports 15 are symmetrically and fixedly installed on two sides of the second wind scooper 10, a return spring 13 is fixedly installed on one side of each U-shaped support 15, an operating block 14 is fixedly connected to one end of each return spring 13, a supporting rod 16 penetrating through the U-shaped supports 15 and the second wind scooper 10 is fixedly installed on one side of each operating block 14, the supporting rod 16 is located below the flow equalizing plate 9, the ventilation area can be increased by arranging the flow equalizing plate 9, the heat radiation efficiency is improved, meanwhile, the return springs 13 are stretched by pulling the operating blocks 14, the supporting rod 16 is, the flow equalizing plate 9, the first air guiding cover 2 and the second air guiding cover 10 are convenient to clean, and therefore the problems that an existing ventilation device is simple in structure, difficult to ventilate in a large area, low in heat dissipation efficiency and inconvenient to clean are solved.

Further, the return spring 13 is located outside the support rod 16, and the support rod 16 and the operation block 14 are of an integrally molded structure, so that the support rod 16 and the operation block 14 are firmly connected.

Further, the two sides of the second air guiding cover 10 are fixedly provided with fixing blocks 4, waist holes 5 are formed in the front surface of each fixing block 4, and the device is fixed on the inner wall of the distribution box.

Furthermore, the cross section of the second wind scooper 10 is a rectangular frame structure, and the second wind scooper 10 and the first wind scooper 2 are an integrated structure, so that the second wind scooper 10 and the first wind scooper 2 are firmly connected.

Further, a servo motor 6 is fixedly mounted on one side of the second air guiding cover 10, an output shaft of the servo motor 6 penetrates through a lead screw 11 fixedly connected with the second air guiding cover 10, a movable block 3 is screwed on the outer side of the lead screw 11, a guide fixing rod 12 connected with the second air guiding cover 10 is arranged inside the movable block 3, a cleaning brush 8 is fixedly mounted on the lower surface of the movable block 3, the lead screw 11 connected with the output shaft of the movable block is driven to rotate by starting the servo motor 6, horizontal movement of the movable block 3 on the outer side under the matching action of the guide fixing rod 12 is achieved, and therefore the cleaning brush 8 cleans the flow equalizing plate 9, frequent cleaning work is not needed, and the ventilation effect is not affected.

Further, the screw rod 11 is located right below the guiding fixing rod 12, and the screw rod 11 is connected with the second wind scooper 10 through a bearing.

The utility model provides a pair of ventilation unit in block terminal's theory of operation as follows:

during the use, at first utilize the screw to pass through waist hole 5 with the device and fix the inner wall at the block terminal, then start cooling fan 1, under the effect of flow equalizing plate 9, increase the draught area of block terminal components and parts, through starting servo motor 6, drive the lead screw 11 rather than the output shaft and rotate, can make movable block 3 remove along the outside of direction dead lever 12, make the surface of cleaning brush 8 clean flow equalizing plate 9, do not need frequently to carry out cleaning work, can not influence the ventilation effect. When the inner walls of the first wind scooper 2 and the second wind scooper 10 need to be cleaned, the operation block 14 is pulled to stretch the return spring 13, so that the support rod 16 is separated from the bottom of the flow equalizing plate 9, and the cleaning work can be performed after the flow equalizing plate 9 is taken down.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a ventilation unit in block terminal, includes first wind scooper (2), its characterized in that: the heat dissipation device is characterized in that a heat dissipation fan (1) is fixedly mounted at the upper end of the first air guiding cover (2), a second air guiding cover (10) is fixedly mounted at the bottom of the first air guiding cover (2), a connecting groove (7) is formed in the lower surface of the second air guiding cover (10), a flow equalizing plate (9) is arranged inside the connecting groove (7), U-shaped supports (15) are symmetrically and fixedly mounted on two sides of the second air guiding cover (10), a return spring (13) is fixedly mounted on one side of each U-shaped support (15), an operation block (14) is fixedly connected to one end of each return spring (13), a supporting rod (16) penetrating through the U-shaped supports (15) and the second air guiding cover (10) is fixedly mounted on one side of the operation block (14), and the supporting rod (16) is located below the flow equalizing plate (9).

2. A ventilation device in an electric box according to claim 1, characterized in that said return spring (13) is located outside a support bar (16), said support bar (16) being of integral construction with said operating block (14).

3. The ventilation device in the distribution box according to claim 1, wherein fixing blocks (4) are fixedly mounted on two sides of the second wind scooper (10), and waist holes (5) are formed in the front surface of each fixing block (4).

4. The ventilation device in the distribution box according to claim 1, wherein the cross section of the second wind scooper (10) is a rectangular frame structure, and the second wind scooper (10) and the first wind scooper (2) are an integrally formed structure.

5. The ventilation device in the distribution box according to claim 1, wherein a servo motor (6) is fixedly installed on one side of the second air guiding cover (10), an output shaft of the servo motor (6) penetrates through the second air guiding cover (10) and is fixedly connected with a lead screw (11), a movable block (3) is screwed on the outer side of the lead screw (11), a guide fixing rod (12) connected with the second air guiding cover (10) is arranged inside the movable block (3), and a cleaning brush (8) is fixedly installed on the lower surface of the movable block (3).

6. The ventilation device in the distribution box according to claim 5, wherein the screw rod (11) is located right below the guiding and fixing rod (12), and the screw rod (11) is connected with the second wind scooper (10) through a bearing.

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