CN216532424U

CN216532424U - High-voltage direct-current remote power supply local terminal

Info

Publication number: CN216532424U
Application number: CN202123290081.8U
Authority: CN
Inventors: 袁新玲
Original assignee: Xinjiang Yichi Electric Technology Co ltd
Current assignee: Xinjiang Yichi Electric Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-13
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a high-voltage direct-current remote power supply local end machine, wherein the lower end of a local end machine body is provided with an opening, the front side of the upper surface of the local end machine body is fixedly communicated with a wind power guide heat dissipation structure, the edge of the bottom surface of the local end machine body is fixedly provided with a wind power guide support flange, the wind power guide support flange is a semi-surrounding structure with the left side, the right side and the rear side blocked, and the lower end of the local end machine body is fixedly provided with a bottom plate heat dissipation structure; the wind power guide heat dissipation structure is used for sucking outside air into generated wind power, the wind power is obliquely injected from the front side of the upper surface of the local side machine body and can be directly blown on an electronic device to dissipate heat with higher efficiency, hot wind is discharged from the heat dissipation structure of the bottom plate, and due to the arrangement of the wind power guide support flange, the hot wind is guided to be discharged from a ventilation window at the front end, so that the conduction heat dissipation efficiency of the hot wind is improved while the hot wind flows along the aluminum alloy heat dissipation plate; and adverse effects of ground moisture on the device are effectively avoided in the hot air circulation process.

Description

High-voltage direct-current remote power supply local terminal

Technical Field

The utility model relates to the technical field of local side machines, in particular to a high-voltage direct-current remote power supply local side machine.

Background

The local side machine is located at the exchanger, the user side is a pair of twisted pair, the exchanger side is two telephone exchange terminal ports, it is composed of line interface, control circuit, DC converter and two identical exchange interfaces, the control circuit generates and receives timing signal and control signal and establishes communication with the remote end machine through the line interface, both exchange interfaces are equipped with ringing controller, it is responsible for converting the ringing voltage sent by the exchanger into digital form, and transmitting it to the remote end machine and transmitting it to the telephone.

Because the inside radiating effect of present most local terminal machines is relatively poor, cause the inside overheat of local terminal machine easily, and then lead to the unable effectual normal operating of the inside electronic hardware of local terminal machine, brought certain adverse effect for the in-service use, in order to solve above-mentioned problem, we have provided a high voltage direct current remote power supply local terminal machine.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a high voltage direct current remote power supply local side machine to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high voltage direct current remote power supply local terminal, includes the local terminal body, local terminal body lower extreme opening design, the fixed intercommunication in upper surface front side of local terminal body has wind-force direction heat radiation structure, local terminal body bottom surface edge is fixed to be equipped with wind-force direction and supports the flange, and wind-force direction supports the semi-surrounding structure that the flange is left and right sides and rear side shutoff, local terminal body lower extreme fixed assembly has bottom plate heat radiation structure.

Preferably, bottom plate heat radiation structure includes aluminum alloy heating panel, aluminum alloy heating panel upper surface front side is fixed to be equipped with the bottom plate, and fixed being equipped with the circuit board on the bottom plate, lateral wall lower extreme runs through there is the fixed screw about the local side machine body, and the inboard end spiro union of fixed screw is on the bottom plate, the bottom plate rear end is fixed to be equipped with the otter board, and the otter board rear end supports and leans on the local side machine body inner chamber back wall.

Preferably, the wind guide support rib comprises a rectangular annular rib fixedly assembled at the edge of the bottom surface of the local side machine body, a ventilation window is arranged at the front end of the rectangular annular rib, and an elastic buffer structure is assembled at the lower end of the rectangular annular rib.

Preferably, wind-force direction heat radiation structure is including the hollow casing of fixed mounting in local side machine body upper surface front side, and hollow casing lower extreme opening design, hollow casing lower extreme and local side machine body upper surface fixed intercommunication, the hollow casing back wall is the slope of lower extreme slope to the rear side, the through-hole has evenly been seted up to the hollow casing antetheca, the fixed radiator fan that is equipped with of through-hole inner wall.

Preferably, the elastic buffer structure comprises a rectangular groove arranged on the bottom surface of the rectangular annular flange, the top surface of the inner cavity of the rectangular groove is uniformly and fixedly provided with a spring, the lower end of the inner cavity of the rectangular groove is spliced with a plug board, the lower end of the spring is fixedly assembled on the upper surface of the plug board, and the bottom surface of the plug board is fixedly provided with a supporting plate.

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

(1) the scheme adopts a wind-force guiding heat dissipation structure which is used for sucking external air into the wind force generated by wind force, the wind force is obliquely injected from the front side of the upper surface of the local side machine body and can be directly blown on an electronic device to carry out more efficient heat dissipation, hot air is discharged from a bottom plate heat dissipation structure, and due to the arrangement of the wind-force guiding support flange, the hot air is guided to be discharged from a ventilation window at the front end, so that the conduction heat dissipation efficiency of the hot air is improved while the hot air flows along the aluminum alloy heat dissipation plate; and effectively avoid the adverse effect of ground moisture on the device in the hot air circulation process.

(2) The bottom plate heat radiation structure that the scheme adopted carries out conduction heat dissipation through the aluminum alloy heating panel, leaves the space between bottom plate rear end and the local side of quick-witted body inner wall, and the discharge of the steam of being convenient for can take off the aluminum alloy heating panel after dismantling the set screw, is convenient for change and maintain.

(3) The wind-force direction that the scheme adopted supports flange lower extreme and is equipped with elastic buffer structure, and with more stable support ground, hot-blast discharge from ventilation window department after sheltering from through the cyclic annular flange of rectangle has injectd the wind-force flow direction.

(4) The wind-force direction heat radiation structure that the scheme adopted passes through radiator fan as the wind regime, and wind-force is inside entering local side machine body after the slope direction for wind-force slope blows on the circuit board, is convenient for carry the heat conduction to the rear end.

(5) The elastic buffer structure that the scheme adopted cushions the pressure that receives through the spring, and the backup pad plays the outrigger effect, guarantees when receiving vibrations that the device is placed more stably.

(6) The device is simple in structure, reasonable in device distribution, reasonable in wind power guiding, capable of effectively combining wind power heat dissipation and conduction heat dissipation, capable of improving heat dissipation efficiency and prolonging service life of devices.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure of the wind-directing support rib and base plate heat-dissipating structure of the present invention;

fig. 3 is a schematic structural view of the elastic buffer structure of the present invention.

In the figure: the heat dissipation structure comprises a local terminal machine body, a 2-wind-force guide heat dissipation structure, a 21-hollow shell, a 22-slope, a 23-through hole, a 24-heat dissipation fan, a 3-wind-force guide support rib, a 31-rectangular annular rib, a 32-ventilation window, a 33-elastic buffer structure, a 331-rectangular groove, a 332-spring, a 333-plug board, a 334-support board, a 4-bottom board heat dissipation structure, a 41-aluminum alloy heat dissipation board, a 42-bottom board, a 43-screen board and a 44-fixing screw.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high voltage direct current remote power supply local side machine, includes local side machine body 1, and the design of local side machine body 1 lower extreme opening, the fixed intercommunication in upper surface front side of local side machine body 1 has wind-force direction

heat radiation structure

2, and 1 bottom surface edge of local side machine body is fixed to be equipped with wind-force direction and supports flange 3, and wind-force direction supports flange 3 and is the half surrounding structure of left and right sides and rear side shutoff, and 1 lower extreme of local side machine body is fixed to be equipped with bottom plate heat radiation structure 4.

The adopted wind-force guiding heat dissipation structure 2 is used for sucking external air into the wind force generated, the wind force is poured obliquely from the front side of the upper surface of the local terminal machine body 1 and can be directly blown on an electronic device to perform more efficient heat dissipation, hot wind is discharged from the bottom plate heat dissipation structure 4, due to the arrangement of the wind-force guiding support flange 3, the hot wind is guided to be discharged from the ventilation window 32 at the front end, and the conduction heat dissipation efficiency of the hot wind is improved while the hot wind flows along the aluminum alloy heat dissipation plate 41; and effectively avoid the adverse effect of ground moisture on the device in the hot air circulation process.

Specifically, bottom plate heat radiation structure 4 includes aluminum alloy heat radiation plate 41, and the fixed bottom plate 42 that is equipped with in aluminum alloy heat radiation plate 41 upper surface front side, and the fixed circuit board that is equipped with on the bottom plate 42, and lateral wall lower extreme runs through there is set screw 44 about local terminal machine body 1, and the inboard end spiro union of set screw 44 is on bottom plate 42, and bottom plate 42 rear end is fixed to be equipped with otter board 43, and the otter board 43 rear end supports and leans on the wall behind the 1 inner chamber of local terminal machine body.

The adopted bottom plate heat dissipation structure 4 conducts and dissipates heat through the aluminum alloy heat dissipation plate 41, a gap is reserved between the rear end of the bottom plate 42 and the rear side of the inner wall of the local side machine body 1, hot air can be conveniently discharged, the aluminum alloy heat dissipation plate 41 can be taken down after the fixing screw 44 is detached, and replacement and maintenance are convenient.

Specifically, the wind guiding supporting rib 3 comprises a rectangular annular rib 31 fixedly assembled at the edge of the bottom surface of the local terminal body 1, a ventilation window 32 is arranged at the front end of the rectangular annular rib 31, and an elastic buffer structure 33 is assembled at the lower end of the rectangular annular rib 31; the lower end of the adopted wind guiding supporting flange 3 is provided with an elastic buffer structure 33 which is the same as a more stable supporting ground, and hot air is discharged from the ventilation window 32 after being shielded by the rectangular annular flange 31, so that the wind flow direction is limited.

Specifically, the wind-guiding heat dissipation structure 2 comprises a hollow shell 21 fixedly assembled on the front side of the upper surface of the local terminal machine body 1, the lower end of the hollow shell 21 is open, the lower end of the hollow shell 21 is fixedly communicated with the upper surface of the local terminal machine body 1, the rear wall of the hollow shell 21 is a slope 22 with the lower end inclined towards the rear side, through holes 23 are uniformly formed in the front wall of the hollow shell 21, and a heat dissipation fan 24 is fixedly assembled on the inner wall of the through holes 23; the adopted wind guiding heat radiation structure 2 takes the heat radiation fan 24 as a wind source, and wind power is guided by the slope 22 and then enters the local terminal body 1, so that the wind power is obliquely blown on the circuit board, and heat is conveniently carried and conducted to the rear end.

Specifically, the elastic buffer structure 33 comprises a rectangular groove 331 arranged on the bottom surface of the rectangular annular rib 31, the top surface of the inner cavity of the rectangular groove 331 is uniformly and fixedly provided with a spring 332, the lower end of the inner cavity of the rectangular groove 331 is inserted with an inserting plate 333, the lower end of the spring 332 is fixedly arranged on the upper surface of the inserting plate 333, and the bottom surface of the inserting plate 333 is fixedly provided with a support plate 334; the elastic buffer structure 33 is used for buffering the pressure applied by the spring 332, and the support plate 334 plays a role in stabilizing and supporting, so that the device is ensured to be placed more stably when the device is vibrated.

The working principle is as follows: the wind power guiding heat dissipation structure 2 is used for sucking outside air into the air to generate wind power, the wind power is obliquely poured in from the front side of the upper surface of the local terminal machine body 1 and can be directly blown on an electronic device to dissipate heat more efficiently, hot air is discharged from the bottom plate heat dissipation structure 4, and due to the arrangement of the wind power guiding support flange 3, the hot air is guided to be discharged from the ventilation window 32 at the front end, so that the heat conduction and heat dissipation efficiency of the hot air is improved while the hot air flows along the aluminum alloy heat dissipation plate 41; and the adverse effect of ground moisture on the device is effectively avoided in the hot air circulation process;

the adopted bottom plate heat dissipation structure 4 conducts heat dissipation through the aluminum alloy heat dissipation plate 41, a gap is reserved between the rear end of the bottom plate 42 and the rear side of the inner wall of the local side machine body 1, hot air is conveniently discharged, and the aluminum alloy heat dissipation plate 41 can be taken down after the fixing screw 44 is disassembled, so that replacement and maintenance are convenient; the lower end of the adopted wind guiding supporting flange 3 is provided with an elastic buffer structure 33 which is the same as a more stable supporting ground, and hot air is discharged from the ventilation window 32 after being shielded by the rectangular annular flange 31, so that the wind flow direction is limited;

the adopted wind guiding heat radiation structure 2 takes a heat radiation fan 24 as a wind source, and wind power is guided by a slope 22 and then enters the local terminal body 1, so that the wind power is obliquely blown on the circuit board, and heat is conveniently carried and conducted to the rear end; the elastic buffer structure 33 is used for buffering the pressure applied by the spring 332, and the support plate 334 plays a role in stabilizing and supporting, so that the device is ensured to be placed more stably when the device is vibrated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high voltage direct current remote power supply local side machine, includes local side machine body (1), its characterized in that: the utility model discloses a heat dissipation structure, including office end machine body (1), office end machine body (1) lower extreme opening design, the fixed intercommunication in upper surface front side of office end machine body (1) has wind-force direction heat radiation structure (2), fixed being equipped with wind-force direction support flange (3) in office end machine body (1) bottom surface edge, and wind-force direction support flange (3) be the half surrounding structure of left and right sides and rear side shutoff, office end machine body (1) lower extreme fixed be equipped with bottom plate heat radiation structure (4).

2. The high-voltage direct-current remote power supply local end machine according to claim 1, characterized in that: bottom plate heat radiation structure (4) include aluminum alloy heating panel (41), aluminum alloy heating panel (41) upper surface front side is fixed to be equipped with bottom plate (42), and fixed being equipped with the circuit board on bottom plate (42), lateral wall lower extreme runs through has set screw (44) about office end machine body (1), and set screw (44) inboard end spiro union on bottom plate (42), bottom plate (42) rear end is fixed to be equipped with otter board (43), and otter board (43) rear end supports and leans on office end machine body (1) inner chamber back wall.

3. The high-voltage direct-current remote power supply local end machine according to claim 1, characterized in that: wind-force direction supports flange (3) including fixed assembly in the cyclic annular flange of rectangle (31) of local side machine body (1) bottom surface edge, and ventilation window (32) have been seted up to cyclic annular flange of rectangle (31) front end, cyclic annular flange of rectangle (31) lower extreme assembly has elastic buffer structure (33).

4. The high-voltage direct-current remote power supply local end machine according to claim 1, characterized in that: wind-force direction heat radiation structure (2) are including fixed assembly in hollow casing (21) of local terminal machine body (1) upper surface front side, and hollow casing (21) lower extreme opening design, hollow casing (21) lower extreme and local terminal machine body (1) upper surface fixed intercommunication, hollow casing (21) back wall is slope (22) of lower extreme slope to the rear side, through-hole (23) have evenly been seted up to hollow casing (21) antetheca, through-hole (23) inner wall fixed be equipped with radiator fan (24).

5. The high-voltage direct-current remote power supply local end machine according to claim 3, characterized in that: elasticity buffer structure (33) are including offering rectangle recess (331) in the annular flange of rectangle (31) bottom surface, the even fixed spring (332) that is equipped with of rectangle recess (331) inner chamber top surface, rectangle recess (331) inner chamber lower extreme is pegged graft and is had picture peg (333), spring (332) lower extreme is fixed to be equipped with in picture peg (333) upper surface, picture peg (333) bottom surface fixed support plate (334) are equipped with.