CN203243648U

CN203243648U - Led driver shell

Info

Publication number: CN203243648U
Application number: CN 201320294923
Authority: CN
Inventors: 王学力; 邹红兵
Original assignee: Chongqing Pingwei Enterprise Co Ltd
Current assignee: Chongqing Pingwei Enterprise Co Ltd
Priority date: 2013-05-27
Filing date: 2013-05-27
Publication date: 2013-10-16
Anticipated expiration: 2023-05-27

Abstract

The utility model discloses an LED driver shell comprising a bottom plate (1), the upper end of the bottom plate (1) is provided with a door-shaped inner casing (2), the bottom plate and the inner casing encircle a square cylinder, cover plates (3) are respectively arranged at openings of front and rear ends of the inner casing (2), a door-shaped outer casing (4) is covered outside the inner casing (2), the lower part of the outer casing (4) is fixed together with the bottom plate (1), left and right sides of the bottom plate (1) are provided with a row of installation holes (5) distributed along the front-and-back direction, and each row of installation holes (5) is located at the outer side of a corresponding side plate of the outer casing (4). As the LED driver shell adopts a double-casing structure, the heat radiation area is increased; as a run-through airflow heat radiation passage is formed between the two casings, the heat radiation effect is greatly enhanced, and the influence of temperature change in an external environment to components inside the casings is reduced; and the casings are installed and fixed firmly and stably.

Description

The led driver shell

Technical field

The utility model belongs to electronic technology field, specifically, and particularly a kind of led driver shell.

Background technology

Existing led driver shell is comprised of the housing of square tube shape and the cover plate of housing two-port.The outer plate surface of housing is the light face, has installing hole on the cover plate at two ends, and the led driver shell is fixed on the outside installing rack by the installing hole on the cover plate.But there is following weak point in said structure:

1) the led driver shell is fixed by the installing hole on the cover plate, and long-time use is subjected to the impact of natural gravity and mechanical stress, easily makes between two epicranial plates and the housing slit to occur, causes the sealing variation.

2) housing is single layer structure, and the mechanical stress that the inside and outside temperature difference of housing changes internal component affects very greatly.

3) encapsulant of housing is arranged in single hull, and radiation is obvious to the slacking of encapsulant.

4) radiating effect of housing is poor, can accelerate the aging of encapsulant and inner member, affects the serviceability of inner member.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of sealing and the good led driver shell of thermal diffusivity.

The technical solution of the utility model is as follows: a kind of led driver shell, has base plate (1), be provided with the inner housing (2) of " door " shape in the upper end of base plate (1), both surround square cylinder together, port in inner housing (2) rear and front end is equipped with cover plate (3), be covered with the shell body (4) of " door " shape in the outside of described inner housing (2), the bottom of this shell body (4) and base plate (1) are fixing, the right and left of described base plate (1) is provided with the installing hole (5) that a row distributes along fore-and-aft direction, and every row's installing hole (5) all is positioned at the outside of the corresponding side plate of shell body (4).

Adopt above technical scheme, by outside inner housing, setting up again the crust body, adopt double-layer shell structure, increased area of dissipation, improved radiating effect.Simultaneously, owing to having certain distance between shell body and the inner housing, between shell body and inner housing, form the distinguished and admirable heat dissipation channel that connects, dispel the heat by the free convection of cold and hot air, further improve the radiating effect of housing.

Under the protection of double Shell, inner components and parts are subjected to that the impact of variations in temperature diminishes in the external environment condition, and namely outside difference variation reduces greatly on the mechanical stress impact of internal component.And under double-decker, encapsulant is to be built in the inner housing, and radiation will reduce greatly to the slacking of encapsulant, has improved useful life of the present utility model.

The utility model is the broadening base plate also, the both sides that make the right and left of base plate stretch out shell body, the right and left at base plate arranges installing hole, housing is by the installing hole on the base plate and external stability, changed existing housing by the mounting means of cover plate and external stability, the fixed form in the utility model can not have any impact to sealing of the present utility model after long-time the use yet.

Two reinforcements (6) about being provided with between described inner housing (2) and the shell body (4), this reinforcement (6) extends from front to back, an outer arm of angle of the base of described reinforcement (6) and inner housing (2) upper end is fixed, and the interior arm of angle that the top margin of reinforcement (6) is corresponding with shell body (4) upper end is fixed.

Between inner housing and the shell body reinforcement is set, can improves the structural strength that is connected support strength and inner housing and shell body self between inner housing and the shell body.Between the corresponding interior arm of angle, can play the effect of above-below direction structural reinforcing on the outer arm of angle that reinforcement is arranged at inner housing and the shell body, also can play the effect of left and right directions structural reinforcing.

In order further to improve radiating effect of the present utility model, be provided with heat radiation in the outer plate surface of described inner housing (2) and shell body (4) and sting bar.

In order to simplify technique, reduce cost, improve working (machining) efficiency, described shell body (4), inner housing (2), reinforcement (6) and base plate (1) are by the moulding of aluminium extrusion stretching integral.

The place, four angles of described cover plate (3) is all fixed by the end of flat head screw and inner housing (2), and the outer plate surface of cover plate (3) is concordant with the corresponding end face of shell body (4).

Cover plate is fixed by flat head screw and inner housing end, makes the loading and unloading of cover plate simple and convenient.Easily being collided with when protruding whole end face owing to cover plate is outer, it is loosening to produce, and then affects sealing effectiveness, so the outside plate of cover plate is concordant with the corresponding end face of shell body, can make the hermetically-sealed construction of cover plate compacter, more firm, and sealing effectiveness is also better.

If the quantity of installing hole is too much, install so can compare loaded down with trivial details; If all only have one about the quantity of installing hole is very few, the fixing of base plate will be firm not so, so the quantity of the described installing hole of every row (5) is two, lay respectively at the rear and front end of base plate (1), can satisfy needs quick and easy for installation, can make again the installation integral body of base plate firm.

The beneficial effects of the utility model are as follows:

1) housing adopts the double-decker that inner housing and shell body form, and has increased area of dissipation, has improved radiating effect;

2) form the airflow channel that connects between shell body and the inner housing, dispel the heat by the free convection of cold and hot air, further improve the radiating effect of housing;

3) under the protection of double Shell, inner components and parts are diminished by the impact of external environment condition difference variation, and namely outside difference variation reduces greatly on the mechanical stress impact of internal component;

4) under the double-decker, encapsulant is in the interior plant inner housing, and radiation will reduce greatly to the slacking of encapsulant, has improved useful life of the present utility model;

5) in the utility model whole housing by the installing hole on the base plate and external stability, like this, can be not influenced in the long-time sealing property of back casing of using yet.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

As shown in Figure 1, the utility model is made of base plate 1, inner housing 2, cover plate 3, shell body 4, installing hole 5 and reinforcement 6.Described base plate 1 is square flat board, is provided with row's installing hole 5 at the right and left of base plate 1, and the quantity of every row's installing hole 5 is two, lays respectively at the rear and front end of base plate 1 with two installing holes 5 among the row.Be provided with the inner housing 2 of " door " shape in the upper end at base plate 1 middle part, these inner housing 2 front and back distribute, and inner housing 2 surrounds square cylinder with base plate 1.Port in described inner housing 2 rear and front ends is equipped with cover plate 3, and this cover plate 3 is consistent with the port size of inner housing 2.The cylindrical shell both ends of the surface that described inner housing 2 and base plate 1 surround all mill away the size of cover plate 3 one-tenth-value thickness 1/10s inward, and offer screwed hole at the place, four right angles of body end surface, and the head end of flat head screw passes the via hole on the cover plate 3 and locks in the corresponding installing hole 5.Two lateral surfaces of described inner housing 2 and end face are provided with the heat radiation thorn bar that distributes along fore-and-aft direction.

As shown in Figure 1, outside at described inner housing 2 is covered with the shell body 4 of " door " shape, this shell body 4 also distributes along fore-and-aft direction, and two side plate lower edges are fixed with the upper face of base plate 1 about shell body 4, and shell body 4 two is arranged between the installing holes 5 about on the base plate 1.Two lateral surfaces of described shell body 4 and end face are provided with the heat radiation thorn bar that distributes along fore-and-aft direction.Two reinforcements 6 about being provided with between described inner housing 2 and the shell body 4, this reinforcement 6 extends from front to back, and the rear and front end of reinforcement 6 is concordant respectively at the corresponding end face of shell body 4.An outer arm of angle of the base of described reinforcement 6 and inner housing 2 upper ends is fixed, and the interior arm of angle that the top margin of reinforcement 6 is corresponding with shell body 4 upper ends is fixed.The front/rear end of shell body 4 is concordant with the outer plate surface of corresponding end cover plate 3 respectively.Described shell body 4, inner housing 2, reinforcement 6 and base plate 1 are by the moulding of aluminium extrusion stretching integral.

Claims

1. led driver shell, has base plate (1), be provided with the inner housing (2) of " door " shape in the upper end of base plate (1), both surround square cylinder together, port in inner housing (2) rear and front end is equipped with cover plate (3), it is characterized in that: the shell body (4) that is covered with " door " shape in the outside of described inner housing (2), the bottom of this shell body (4) and base plate (1) are fixing, the right and left of described base plate (1) is provided with the installing hole (5) that a row distributes along fore-and-aft direction, and every row's installing hole (5) all is positioned at the outside of the corresponding side plate of shell body (4).

2. led driver shell as claimed in claim 1, it is characterized in that: two reinforcements (6) about being provided with between described inner housing (2) and the shell body (4), this reinforcement (6) extends from front to back, an outer arm of angle of the base of described reinforcement (6) and inner housing (2) upper end is fixed, and the interior arm of angle that the top margin of reinforcement (6) is corresponding with shell body (4) upper end is fixed.

3. led driver shell as claimed in claim 1 is characterized in that: the outer plate surface at described inner housing (2) and shell body (4) is provided with heat radiation thorn bar.

4. led driver shell as claimed in claim 2 or claim 3, it is characterized in that: described shell body (4), inner housing (2), reinforcement (6) and base plate (1) are by the moulding of aluminium extrusion stretching integral.

5. led driver shell as claimed in claim 1 is characterized in that: the place, four angles of described cover plate (3) is all fixed by the end of flat head screw and inner housing (2), and the outer plate surface of cover plate (3) is concordant with the corresponding end face of shell body (4).

6. led driver shell as claimed in claim 1, it is characterized in that: the quantity of the described installing hole of every row (5) is two, lays respectively at the rear and front end of base plate (1).