CN208798299U - A kind of charactron with an automatic light meter - Google Patents

Abstract

The utility model discloses a kind of charactrons with an automatic light meter, it is related to electronic display technology field, including shell, the pcb board of the display panel being mounted in shell end face and installation inside the housing, the side of shell offers a v notch v, cooling fin is equipped in v notch v, the inner surface of cooling fin is connect by the thermally conductive sheet through shell with pcb board, and the side of the shell offers several heat release holes connected with v notch v, and the surface of cooling fin and the medial surface of v notch v have gap；Since cooling fin can be with the design of large area in the side of shell, heat dissipation area is sufficient, and heat can also be made to be dispersed into the outside of shell, the case where heat reaches interior of shell again is reduced, to ensure that heat dissipation effect；The air of flowing forms the vortex of small area in external groove, therefore keeps the appearance face contact of air and cooling fin abundant, to be easier to take away heat.

Description

A kind of charactron with an automatic light meter

Technical field

The utility model relates to electronic display technology field, specifically a kind of charactron with an automatic light meter.

Background technique

Charactron is made of the device of " 8 " font multiple LED packages together, and lead has been connected in inside At in fields such as electronic technology and its related fieldss, such as frequency converter, air-conditioning, electromagnetic oven, by related parameter or operation number It is very important according to showing；When external illumination is enough, the display brightness of charactron and the illumination for working as outside are inadequate When display brightness it is the same, cause the waste of resource.

A kind of charactron with an automatic light meter is disclosed in the Chinese patent that Authorization Notice No. is CN206532564U, including There is shell；Flexible PCB is equipped in shell；The upper surface of the shell is arcuate structure；The flexible PCB be equipped with LED with And pit；The upper surface of the pit and shell is formed with emitting cavity and diffusion region；The diffusion region is set to the opening of pit Place；The upper surface of the shell is equipped with sensor devices；The flexible PCB is equipped with brightness adjustment control chip；The sensor devices with Brightness adjustment control chip is electrically connected；The bottom of the flexible PCB is equipped with heat sink.Sense is arranged in the utility model in charactron Optical device enables charactron to adjust display brightness according to external illuminance, in addition, can be added by the way that heat sink is arranged The heat dissipation of fast charactron, increases its service life.

But above-mentioned technical proposal there is problems in actual use: since heat sink makes setting inside the housing , therefore its heat dissipation effect is very undesirable, more heat aggregation is difficult to quickly disperse inside the housing, therefore above-mentioned technology Scheme increases cost by the heat sink being arranged, and cannot but reach preferable effect.

Utility model content

The purpose of this utility model is to provide a kind of charactrons with an automatic light meter, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions:

A kind of charactron with an automatic light meter including shell, the display panel being mounted in shell end face and is mounted on shell Internal pcb board, PCB are equipped with diffusion region towards the side of display panel, are equipped with sensor devices on display panel, on pcb board Light modulation chip is installed, diffusion region is connect by photic zone with display panel, and lamp bead, the other side of pcb board are equipped in diffusion region Face is equipped with pin, and the side of the shell offers a v notch v, and cooling fin, the inner surface of cooling fin are equipped in v notch v It is connect by the thermally conductive sheet through shell with pcb board, the side of the shell offers several heat dissipations connected with v notch v The medial surface of hole, the surface of cooling fin and v notch v has gap.

As a further solution of the present invention: the surfaces externally and internally of the cooling fin offers inner groovy and outer recessed respectively Slot.

The inner groovy and the cross sectional shape of external groove be isosceles trapezoid, regular polygon, corrugated, zigzag, semicircle, Half elliptic or asymmetric irregular shape.

The material of the cooling fin is copper, aluminium, steel, silicone grease or graphene as a further solution of the present invention,.

The material of the thermally conductive sheet is copper, aluminium, steel as a further solution of the present invention,.

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

1, a large amount of heat is reached on cooling fin by the conduction of thermally conductive sheet, since cooling fin can setting with large area Meter is in the side of shell, therefore heat dissipation area is sufficient, and heat can also be made to be dispersed into the outside of shell, reduces heat and reaches again The case where interior of shell, to ensure that heat dissipation effect；

2, the medial surface of the surface of cooling fin and v notch v has gap, and heat release hole and gap are connected, then heat release hole Also it is capable of forming a heat dissipation channel, improves heat dissipation effect；

3, when the air of flowing passes through shell, therefore the air flowed forms the vortex of small area in external groove, because This keeps the appearance face contact of air and cooling fin abundant, to be easier to take away heat；The air of same principle, flowing passes through When heat release hole is entered at the inner groovy of cooling fin, it is equally capable of forming the vortex of small area, further increases heat dissipation effect.

Detailed description of the invention

Fig. 1 is a kind of schematic view of the front view of charactron with an automatic light meter；

Fig. 2 is the schematic cross-sectional view in charactron with an automatic light meter described in Fig. 1 along line A-A.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The technical solution of the patent is explained in further detail With reference to embodiment.

As illustrated in fig. 1 and 2, a kind of charactron with an automatic light meter, including shell 1, the display surface being mounted on 1 end face of shell Plate 2 and the pcb board 3 being mounted on inside shell 1, PCB are equipped with diffusion region 5 towards the side of display panel 2, and diffusion region 5 passes through saturating Photosphere 6 is connect with display panel 2, and sensor devices 11 are equipped on display panel 2, and light modulation chip 12 is equipped on pcb board 3, is expanded It dissipating and is equipped with lamp bead 4 in area 5, the another side of pcb board 3 is equipped with pin 13, and the side of the shell 1 offers a v notch v 7, Cooling fin 8 is equipped in v notch v 7, the material of cooling fin 8 is copper, aluminium, steel, silicone grease or graphene etc., the inner surface of cooling fin 8 It is connect by the thermally conductive sheet 9 through shell 1 with pcb board 3, the material of thermally conductive sheet 9 is copper, aluminium, steel etc., and the side of shell 1 opens up There are several heat release holes 10 connected with v notch v 7, the surface of cooling fin 8 and the medial surface of v notch v 7 have gap；

The heat of digital tube assembly is concentrated mainly at pcb board 3, therefore makes conduction of a large amount of heat by thermally conductive sheet 9 Effect reaches on cooling fin 8, and since cooling fin 8 can be with the design of large area in the side of shell 1, heat dissipation area is sufficient, Also heat can be made to be dispersed into the outside of shell 1, heat is reduced and reach the situation inside shell 1 again, to ensure that heat dissipation Effect；The medial surface of the surface of cooling fin 8 and v notch v 7 has gap, and heat release hole 10 and gap are connected, then heat release hole 10 Also it is capable of forming a heat dissipation channel, improves heat dissipation effect.

The surfaces externally and internally of the cooling fin 8 offers inner groovy 82 and external groove 81, inner groovy 82 and external groove 81 respectively Cross sectional shape be isosceles trapezoid, regular polygon, corrugated, zigzag, semicircle, half elliptic or asymmetric irregular shape Shape；When the air of flowing passes through shell 1, therefore the air flowed forms the vortex of small area in external groove 81, therefore makes The appearance face contact of air and cooling fin 8 is abundant, to be easier to take away heat；Same principle, the air of flowing is by dissipating When hot hole 10 is entered at the inner groovy 82 of cooling fin 8, it is equally capable of forming the vortex of small area, further increases heat dissipation effect Fruit.

Claims (5)

1. a kind of charactron with an automatic light meter, including shell (1), the display panel (2) being mounted on shell (1) end face and installation In the internal pcb board (3) of shell (1), PCB is equipped with diffusion region (5) towards the side of display panel (2), and diffusion region (5) pass through saturating Photosphere (6) is connect with display panel (2), is equipped on display panel (2) sensor devices (11), and pcb board is equipped with light modulation on (3) Chip (12), is equipped with lamp bead (4) in diffusion region (5), and the another side of pcb board (3) is equipped with pin (13), characterized in that institute The side for stating shell (1) offers a v notch v (7), is equipped with cooling fin (8) in v notch v (7), the inner surface of cooling fin (8) It is connect by the thermally conductive sheet (9) through shell (1) with pcb board (3), the side of the shell (1) offers several scarce with bar shaped The heat release hole (10) that mouth (7) is connected, the surface of cooling fin (8) and the medial surface of v notch v (7) have gap.

2. charactron with an automatic light meter according to claim 1, characterized in that the surfaces externally and internally of the cooling fin (8) point Inner groovy (82) and external groove (81) are not offered.

3. charactron with an automatic light meter according to claim 2, characterized in that the inner groovy (82) and external groove (81) Cross sectional shape be isosceles trapezoid, regular polygon, corrugated, zigzag, semicircle, half elliptic or asymmetric irregular shape Shape.

4. charactron with an automatic light meter according to claim 1 to 3, characterized in that the material of the cooling fin (8) For copper, aluminium, steel, silicone grease or graphene.

5. charactron with an automatic light meter according to claim 1 to 3, characterized in that the material of the thermally conductive sheet (9) For copper, aluminium, steel.