CN212935778U

CN212935778U - Direct current remote supply high voltage conversion device

Info

Publication number: CN212935778U
Application number: CN202022269310.7U
Authority: CN
Inventors: 曹丽梅
Original assignee: Huaxin Liaoning Security Information Technology Co ltd
Current assignee: Huaxin Liaoning Security Information Technology Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-04-09
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a direct current far-reaching high pressure conversion equipment, including the under casing, the upper end overcoat of under casing is equipped with the pouring jacket, and the bottom is provided with the air duct in the under casing, and under casing lower extreme side is worn out to the one end of air duct, and a plurality of second exhaust hole has been seted up to the side of air duct, has seted up a plurality of second through-hole in the backup pad of under casing lower extreme setting, and distal end power has been placed to the upper end of backup pad, and first exhaust hole has been seted up to the upper end side of going up the pouring jacket, and the blast pipe of downward sloping is installed outward to first exhaust hole, compares with prior art, the: the air supply in the air guide pipe enters the bottom box through the second exhaust hole, then upwards blows through the far-end power supply through the second through hole, and finally is discharged through the first exhaust hole and the exhaust pipe for heat dissipation of the power supply, so that active negative pressure heat dissipation is realized, external humid air is prevented from entering, and the inclined exhaust pipe can prevent external rainwater and the like from entering the upper sleeve box along the pipeline.

Description

Direct current remote supply high voltage conversion device

Technical Field

The utility model relates to a direct current remote supply technical field specifically is a direct current remote supply high pressure conversion equipment.

Background

The direct current remote supply system is a common power supply technology in a communication system and comprises a local side power supply, a control circuit, a remote side power supply, a load and the like, local side equipment of communication equipment is arranged in a base station machine room, stable DC-48V of the machine room is used, the remote side of the communication equipment is arranged at a place needing deep coverage, and the direct current remote supply power supply supplies power to the remote side; far-away power supply office equipment is laid in the base station computer lab, obtain the stable DC-48V of computer lab, change this power and handle into suitable power, go out through cable transmission, supply the far-away voltage distal end, far-end power is laid in the vacant space of far-end equipment's next door or far-end quick-witted incasement, supply power for the communication equipment distal end, be the device that is used for carrying out the conversion to the high pressure in the staff's system, because the far-end power of present communication equipment is installed in the open air mostly, consequently, higher to power supply unit's requirement, need dampproofing damp-proofing, still need antidetonation anticollision, but present far-end power supply unit shell structure is simple, do not possess these functions, for this reason, we propose a direct current.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current remote supply high pressure conversion equipment to solve the problem that proposes among the above-mentioned background art.

A direct current remote supply high-voltage conversion device comprises a bottom box, wherein a plurality of threaded through holes are vertically formed in the upper ends of four side surfaces of the bottom box, an upper sleeve box is sleeved outside the upper end of the bottom box, first through holes are formed in the four outer side surfaces of the upper sleeve box, fixing bolts are arranged outside the first through holes and penetrate through the first through holes to be screwed in the threaded through holes; the bottom is provided with the air duct in the under casing, under casing lower extreme side is worn out to the one end of air duct, and the air duct is connected with outside air supply, a plurality of second exhaust hole has been seted up to the side of air duct, and the second exhaust hole is transversely seted up, increases the coverage area of air current, the lower extreme is provided with the backup pad in the under casing, a plurality of second through-hole has been seted up in the arrangement in the backup pad, and the circulation of air is convenient for in the second through-hole, distal end power has been placed to the upper end of backup pad, the pole cover is installed at the bottom edge in the under casing, the pot head is equipped with the bracing piece in the pole cover, the upper end of bracing piece supports in the backup pad lower surface, be connected with connecting spring between bottom and the bracing piece lower surface in the pole.

Preferably, the lower end of one side of the upper casing box is provided with a groove, and the groove is positioned at the upper end of the air duct penetrating out of the side surface of the bottom box, so that the upper casing box is not clamped by the air duct when being buckled on the bottom box.

Preferably, the lower extreme of under casing outwards extends has lower extension, and the position stability of under casing can be guaranteed to lower extension, the upper end of going up the pouring jacket case outwards extends has an extension, goes up the extension and can play rainproof effect.

Preferably, the lower surface of under casing is provided with the rubber heelpiece, and the rubber heelpiece plays the effect of increase frictional force and gentle pressure.

Compared with the prior art, the beneficial effects of the utility model are that:

the upper casing box can move up and down on the bottom box and is fixed through the fixing bolt, the size of a space between the upper casing box and the bottom box can be adjusted through the up-and-down movement of the upper casing box, the installation of remote power supplies with different sizes is facilitated, and the universality of the device is improved;

the air source in the air guide pipe enters the bottom box through the second exhaust hole, then blows upwards through the far-end power supply through the second through hole to dissipate heat of the power supply, and finally is discharged through the first exhaust hole and the exhaust pipe, so that active negative-pressure heat dissipation is realized, external damp air is prevented from entering, and the inclined exhaust pipe can prevent external rainwater and the like from entering the upper sleeve box along the pipeline;

when receiving vibrations, through the reciprocating compression connecting spring of bracing piece, can cushion vibrations, the distal end power of protection backup pad upper end.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view structural section view of the present invention;

fig. 3 is a side view of the structure of the present invention.

In the figure: 1. the bottom case, 101, screw through hole, 102, mounting hole, 2, go up the pouring jacket, 201, first through-hole, 202, recess, 203, first exhaust hole, 3, fixing bolt, 4, blast pipe, 5, backup pad, 501, second through-hole, 6, pole cover, 7, coupling spring, 8, bracing piece, 9, air duct, 901, second exhaust hole, 10, rubber heelpiece, 11, lower extension, 12, go up the extension, 13, distal end power.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a direct current remote supply high-voltage conversion device comprises a bottom case 1, wherein a rubber bottom pad 10 is arranged on the lower surface of the bottom case 1, the rubber bottom pad 10 plays a role in increasing friction force and relieving pressure, a plurality of threaded through holes 101 are vertically formed in the upper ends of four side surfaces of the bottom case 1, an upper jacket case 2 is sleeved outside the upper end of the bottom case 1, first through holes 201 are formed in four outer side surfaces of the upper jacket case 2, fixing bolts 3 are arranged outside the first through holes 201, the fixing bolts 3 penetrate through the first through holes 201 and are screwed in the threaded through holes 101, the upper jacket case 2 can vertically move on the bottom case 1 and is fixed through the fixing bolts 3, the space between the upper jacket case 2 and the bottom case 1 can be adjusted through the vertical movement of the upper jacket case 2, the installation of remote power supplies 13 with different sizes is facilitated, and the universality of the device is improved; the lower end of the bottom box 1 extends outwards to form a lower extension part 11, the lower extension part 11 can ensure the position stability of the bottom box 1, the upper end of the upper sleeve box 2 extends outwards to form an upper extension part 12, and the upper extension part 12 can play a role in rain prevention; the bottom of the bottom box 1 is provided with an air duct 9, one end of the air duct 9 penetrates out of the side surface of the lower end of the bottom box 1, the air duct 9 is connected with an external air source, the side surface of the air duct 9 is provided with a plurality of second exhaust holes 901, the second exhaust holes 901 are transversely arranged to increase the coverage area of air flow, the lower end of one side of the upper jacket box 2 is provided with a groove 202, the groove 202 is positioned at the upper end of the air duct 9 penetrating out of the side surface of the bottom box 1, so that the upper jacket box 2 is not clamped by the air duct 9 when being buckled on the bottom box 1, the lower end of the bottom box 1 is provided with a support plate 5, the support plate 5 is provided with a plurality of second through holes 501 in a row, the second through holes 501 are convenient for air circulation, a far-end power supply 13 is placed at the upper end of the support plate 5, the bottom edge of the bottom of the, a connecting spring 7 is connected between the bottom in the rod sleeve 6 and the lower surface of the supporting rod 8, and when the connecting spring 7 is compressed by the up-and-down movement of the supporting rod 8 when the connecting spring is vibrated, the vibration can be buffered, and a far-end power supply 13 at the upper end of the supporting plate 5 is protected; a first exhaust hole 203 is formed in the side face of the upper end of the upper jacket box 2, and an exhaust pipe 4 which inclines downwards is installed outside the first exhaust hole 203; the air supply in the air duct 9 enters the bottom case 1 through the second exhaust hole 901, then upwards blows through the remote power supply 13 through the second through hole 501, and finally is discharged through the first exhaust hole 203 and the exhaust pipe 4 for heat dissipation of the power supply, so that active negative pressure heat dissipation is realized, external humid air is prevented from entering, and the inclined exhaust pipe 4 can prevent external rainwater and the like from entering the upper jacket case 2 along the pipeline.

The working principle is as follows: when the utility model is used, the upper casing box is moved up and down on the bottom box 1 according to the size of the remote power supply 13 and is fixed by the fixing bolt 3, which is convenient for the installation of the remote power supplies with different sizes;

when the air duct 9 is connected with an external air source, air flow in the air duct 9 enters the bottom case 1 through the second exhaust hole 901, then upwards blows through the remote power supply 13 through the second through hole 501, and is dissipated heat for the power supply, and finally is discharged through the first exhaust hole 203 and the exhaust pipe 4, so that active negative pressure heat dissipation is realized, and external humid air is prevented from entering.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a direct current remote supply high voltage conversion equipment, includes under casing (1), its characterized in that: the upper ends of four side surfaces of the bottom box (1) are vertically provided with a plurality of threaded through holes (101), the upper end of the bottom box (1) is sleeved with an upper sleeve box (2), four outer side surfaces of the upper sleeve box (2) are provided with first through holes (201), fixing bolts (3) are arranged outside the first through holes (201), and the fixing bolts (3) penetrate through the first through holes (201) and are screwed in the threaded through holes (101); the bottom of the bottom box (1) is provided with an air duct (9), one end of the air duct (9) penetrates out of the side face of the lower end of the bottom box (1), the side face of the air duct (9) is provided with a plurality of second exhaust holes (901), the lower end of the bottom box (1) is provided with a support plate (5), the support plate (5) is provided with a plurality of second through holes (501) in an arrangement manner, a far-end power supply (13) is placed at the upper end of the support plate (5), a rod sleeve (6) is installed at the bottom edge of the bottom box (1), a support rod (8) is sleeved at the upper end of the rod sleeve (6), the upper end of the support rod (8) is supported on the lower surface of the support plate (5), a connecting spring (7) is connected between the bottom of the rod sleeve (6) and the lower surface of the support, an exhaust pipe (4) which inclines downwards is arranged outside the first exhaust hole (203).

2. The dc remote high-voltage conversion device according to claim 1, wherein: a groove (202) is formed in the lower end of one side of the upper jacket box (2), and the groove (202) is located at the upper end of the air guide pipe (9) penetrating out of the side face of the bottom box (1).

3. The dc remote high-voltage conversion device according to claim 1, wherein: the lower extreme of under casing (1) outwards extends has lower extension (11), the upper end of going up cover case (2) outwards extends has last extension (12).

4. A dc remote high-voltage conversion device according to claim 1 or 3, wherein: the lower surface of the bottom box (1) is provided with a rubber bottom pad (10).