阅读说明：本技术 一种地铁施工用高效散热配电箱 (Subway construction is with high-efficient heat dissipation block terminal ) 是由 吴宝华 薛宝磊 张天泽 史秀会 陈立辉 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种地铁施工用高效散热配电箱,包括箱体和用于对箱体内电气元件进行散热的散热单元,所述散热单元包括中空转轴、用于带动中空转轴正反转动的第一驱动机构、安装板、双向丝杆和第一散热硬管,所述箱体内位于支撑网板下方设有辅助单元,所述辅助单元包括T型管、用于带动T型管变速转动的第二驱动机构、第二散热硬管、套筒和弹簧,本申请设有散热单元,改变了第一散热硬管上第一喷嘴的喷气角度,大范围对电气元件进行散热,提高了散热效率；设有辅助单元,形成向上的旋风,有助于带走热量,同时在变化的离心力以及弹簧的配合下,不断改变第二喷嘴的吹气角度,进一步扩大了散热范围,提高了散热效率。(The invention discloses a high-efficiency heat dissipation distribution box for subway construction, which comprises a box body and a heat dissipation unit for dissipating heat of an electric element in the box body, wherein the heat dissipation unit comprises a hollow rotating shaft, a first driving mechanism for driving the hollow rotating shaft to rotate positively and reversely, a mounting plate, a two-way screw rod and a first heat dissipation hard pipe; be equipped with auxiliary unit, form ascending whirlwind, help taking away the heat, simultaneously under the centrifugal force of change and the cooperation of spring, constantly change the angle of blowing of second nozzle, further enlarged the heat dissipation scope, improved the radiating efficiency.)

1. The utility model provides a subway construction is with high-efficient heat dissipation block terminal, includes box (1) and is used for carrying out radiating heat dissipation unit to electrical element in box (1), the supporting leg is installed to the even symmetry in box (1) bottom, box (1) inner chamber lower part is fixed with support otter board (2) that are used for installing electrical element, all installs ventilation net (4) on box (1) top and the both sides wall, its characterized in that, heat dissipation unit includes cavity pivot (14), is used for driving first actuating mechanism (11), mounting panel (7), two-way lead screw (5) and the first heat dissipation hard tube (3) that cavity pivot (14) just reverse rotation moved, cavity pivot (14) run through in the middle of box (1) top and are connected with it is rotated through the bearing, be fixed with mounting panel (7) on the axle section that cavity pivot (14) are located box (1), two-way lead screw (5) is installed in all rotation in mounting panel (7) both ends, two-way lead screw (5) top fixed mounting has gear (10), be fixed with ring gear (9) with gear (10) meshing on box (1) inner wall, equal threaded connection has movable block (16) on the screw thread section of two-way lead screw (5) both sides, mounting panel (7) bottom is located two-way lead screw (5) one side and is fixed with guide bar (6) that run through two movable blocks (16), two all articulated on movable block (16) have first heat dissipation hard tube (3), the neighbouring end hinge of two first heat dissipation hard tubes (3), the even integral type of one side that is close to electrical component on first heat dissipation hard tube (3) is equipped with a plurality of first nozzles, cavity pivot (14) top is connected with first trachea (12) through bearing rotation, and first trachea (12) are linked together with the air outlet of cooling fan (13), the hollow rotating shaft (14) is connected with a hose through a gas pipe joint, and the other end of the hose is communicated with the first heat dissipation hard pipe (3).

2. The efficient heat dissipation distribution box for subway construction as claimed in claim 1, wherein said support legs are provided with rollers (21) at bottom ends thereof, said rollers (21) being self-locking rollers.

3. The efficient heat dissipation distribution box for subway construction as claimed in claim 1, wherein said box body (1) is fixedly mounted with a rain shield (8) on top, said rain shield (8) is umbrella-shaped.

4. The efficient heat dissipation distribution box for subway construction as claimed in claim 1, wherein said first driving mechanism (11) comprises a forward and reverse rotation motor and a first gear pair, said forward and reverse rotation motor is fixedly installed on top of the box body (1), and said forward and reverse rotation motor is connected with the hollow rotating shaft (14) through the first gear pair.

5. The efficient heat dissipation distribution box for subway construction as claimed in claim 1, wherein said hollow rotating shaft (14) is fixedly mounted with a fan blade (15) at its bottom end.

6. The efficient heat dissipation distribution box for subway construction as claimed in any one of claims 1-5, wherein an auxiliary unit is disposed below the supporting screen (2) in the box body (1), said auxiliary unit comprises a T-shaped pipe (22), a second driving mechanism (23) for driving the T-shaped pipe (22) to rotate at variable speed, a second heat dissipation hard pipe (17), a sleeve (19) and a spring (20), said T-shaped pipe (22) vertically penetrates the bottom of the box body (1) and is connected with the bottom of the box body in a rotating manner, two sleeves (19) are symmetrically sleeved on the horizontal pipe section of the T-shaped pipe (22), the sleeves (19) are connected with the T-shaped pipe (22) in a sliding manner, the tops of said two sleeves (19) are hinged with the second heat dissipation hard pipe (17), a plurality of second nozzles are uniformly disposed on the top of the second heat dissipation hard pipe (17), and two adjacent sections of said second heat dissipation hard pipe (17) are hinged, t type pipe (22) are connected with second heat dissipation hard tube (17) through second soft trachea (18), and T type pipe (22) both ends all are equipped with spacing retaining ring, lie in on the horizontal pipe section of T type pipe (22) between spacing retaining ring and sleeve (19) the cover be equipped with spring (20), and the vertical pipe section bottom of T type pipe (22) is connected with the third trachea through bearing rotation, and the air outlet intercommunication of third trachea and cooling fan (13).

7. The efficient heat dissipation distribution box for subway construction as claimed in claim 6, wherein said second driving mechanism (23) comprises a variable speed motor and a second gear set mounted at the bottom of the box body (1), the variable speed motor is connected with the T-shaped pipe (22) through the second gear set.

8. The efficient heat dissipation distribution box for subway construction as claimed in claim 6, wherein a plurality of positioning drill rods (24) are fixed on the bottom of the outer side wall of said box body (1).

Technical Field

The invention relates to a distribution box, in particular to a high-efficiency heat dissipation distribution box for subway construction.

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.

Electric elements in the block terminal can give off the heat at the during operation, and current block terminal all dispels the heat at fixed position installation cooling fan when dispelling the heat, but the heat dissipation scope is limited, the radiating effect.

Disclosure of Invention

An embodiment of the invention aims to provide an efficient heat dissipation distribution box for subway construction, so as to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a subway construction is with high-efficient heat dissipation block terminal, includes box and the heat dissipation unit that is used for carrying out the heat dissipation to electrical component in the box, the supporting leg is installed to the even symmetry of bottom half, the internal chamber lower part of box is fixed with the support otter board that is used for installing electrical component, all installs the ventilation net on box top and the both sides wall, the heat dissipation unit includes cavity pivot, is used for driving cavity pivot just reverse rotation's first actuating mechanism, mounting panel, two-way lead screw and first heat dissipation hard tube, the cavity pivot runs through in the middle of the box top and is connected with it through the bearing rotation, the cavity pivot is located and is fixed with the mounting panel on the axle segment in the box, and two-way lead screw is all installed in the rotation at mounting panel both ends, two-way lead screw top fixed mounting has the gear, be fixed with gear engagement, the mounting panel bottom is located two-way lead screw one side and is fixed with the guide bar that runs through two movable blocks, two it has first heat dissipation hard tube all to articulate on the movable block, the neighbouring end of two first heat dissipation hard tubes is articulated, the even integral type in one side that is close to electrical component on the first heat dissipation hard tube is equipped with a plurality of first nozzles, cavity pivot top is rotated through the bearing and is connected with first trachea, and first trachea is linked together with cooling fan's air outlet, is connected with the hose through pipe joint in the cavity pivot, the hose other end and first heat dissipation hard tube intercommunication.

In one alternative: the bottom end of the supporting leg is provided with a roller which is a self-locking roller.

In one alternative: the rain baffle is fixedly installed at the top of the box body and is umbrella-shaped.

In one alternative: the first driving mechanism comprises a forward and reverse rotating motor and a first gear pair, the forward and reverse rotating motor is fixedly mounted at the top of the box body, and the forward and reverse rotating motor is in driving connection with the hollow rotating shaft through the first gear pair.

In one alternative: and an exhaust fan blade is fixedly arranged at the bottom end of the hollow rotating shaft.

In one alternative: an auxiliary unit is arranged below the support screen plate in the box body, the auxiliary unit comprises a T-shaped pipe, a second driving mechanism for driving the T-shaped pipe to rotate in a variable speed mode, a second heat dissipation hard pipe, a sleeve and a spring, the vertical penetration of T type pipe runs through the bottom half and rotates with it to be connected, and the symmetry cover is equipped with two sleeves on the horizontal tube section of T type pipe, sleeve and T type pipe sliding connection, two sleeve top all articulates there is the second heat dissipation hard tube, and second heat dissipation hard tube top evenly is equipped with a plurality of second nozzles, two the adjacent section of second heat dissipation hard tube is articulated, and T type pipe passes through the second soft pipe and is connected with second heat dissipation hard tube, and T type pipe both ends all are equipped with spacing retaining ring, lie in on the horizontal tube section of T type pipe that spacing retaining ring and sleeve are equipped with the spring, and the vertical tube section bottom of T type pipe is connected with the third trachea through bearing rotation, and the third trachea communicates with cooling fan's air outlet.

In one alternative: the second driving mechanism comprises a variable speed motor and a second gear pair, wherein the variable speed motor is installed at the bottom of the box body, and the variable speed motor is in driving connection with the T-shaped pipe through the second gear pair.

In one alternative: and a plurality of positioning drill rods are fixedly arranged at the bottom of the outer side wall of the box body in a penetrating way.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

1. the heat dissipation device is provided with a heat dissipation unit, wherein the heat dissipation unit comprises a hollow rotating shaft, a first driving mechanism for driving the hollow rotating shaft to rotate forwards and backwards, a mounting plate, a two-way screw rod and a first heat dissipation hard tube, the heat dissipation unit works, air enters the hollow rotating shaft from a first air pipe, then enters the first heat dissipation hard tube and is sprayed out from a first nozzle to dissipate heat, the first driving mechanism is started at the same time, the first driving mechanism drives the hollow rotating shaft to rotate forwards and backwards, the hollow rotating shaft drives the two-way screw rod to revolve forwards and backwards through the mounting plate, a gear at the top end of the two-way screw rod is meshed with an inner gear ring so as to drive the two-way screw rod to rotate forwards and backwards, two movable blocks on the two-way screw rod are close to each other and then far away from;

2. be equipped with auxiliary unit, auxiliary unit includes the T type pipe, be used for driving T type pipe variable speed pivoted second actuating mechanism, second heat dissipation hard tube, sleeve and spring, wind is from the second nozzle blowout of second heat dissipation hard tube, dispel the heat, second actuating mechanism drives T type pipe variable speed and rotates, T type pipe drives second heat dissipation hard tube and rotates, form ascending whirlwind, help taking away the heat, simultaneously under the cooperation of the centrifugal force that changes and spring, make two sleeve motions, the sleeve drives the swing of second heat dissipation hard tube, constantly change the angle of blowing of second nozzle, the heat dissipation range has further been enlarged, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic position diagram of the bidirectional screw rod, the mounting plate and the hollow rotating shaft according to the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Notations for reference numerals: the device comprises a box body 1, a support screen plate 2, a first heat dissipation hard pipe 3, a ventilation net 4, a bidirectional screw rod 5, a guide rod 6, a mounting plate 7, a rain baffle 8, an annular gear 9, a gear 10, a first driving mechanism 11, a first air pipe 12, a heat dissipation fan 13, a hollow rotating shaft 14, an exhaust fan blade 15, a movable block 16, a second heat dissipation hard pipe 17, a second soft air pipe 18, a sleeve 19, a spring 20, a roller 21, a T-shaped pipe 22, a second driving mechanism 23 and a positioning drill rod 24.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.