CN214704250U - Direct type backlight module and light source device - Google Patents

Abstract

The utility model discloses a straight following formula backlight unit and light source device, which comprises a body, the vent has all been seted up to the upper and lower both sides at the body back, equal fixed mounting all around at the body back has the fixed band, the back set up screw hole of fixed band, the inboard fixedly connected with heat dissipation screen panel of fixed band. The utility model discloses a flabellum that the rotary device drove the surface after the operation rotates and to discharge the heat that can be effectively with the inside production of body from vent department, can prevent effectively through the heat dissipation screen panel that the phenomenon of backward flow from appearing in the vent, it is inside to prevent to get into the body again after the heat is discharged, it installs and fixes to the heat dissipation screen panel to set up convenient to use screw through the screw hole, be convenient for assemble and protect the body through the mounting panel, the security of reinforcing body in the use, the common straight following formula backlight unit and the relatively poor problem of light source device ubiquitous radiating effect in the market have been solved simultaneously.

Description

Direct type backlight module and light source device

Technical Field

The utility model relates to a backlight unit technical field specifically is a straight following formula backlight unit and light source device.

Background

The direct type backlight module comprises important components such as a light diffusion plate, an LED lamp, a PCB plate and the like, the backlight module is one of key components of a liquid crystal display panel, and has the functions of supplying sufficient light sources with uniform brightness and distribution so as to normally display images, the backlight source is a light source positioned behind the liquid crystal display, the light emitting effect of the backlight source directly influences the visual effect of a liquid crystal display module, liquid crystal does not emit light, the display graph or character of the backlight source is the result of light modulation, the development of the backlight source can be traced back to the second war period, a subminiature tungsten lamp is used as the backlight source of an airplane instrument at that time, the initial stage of the development of the backlight source is the initial stage, after the development of half century, the backlight source becomes an electronic independent subject nowadays, and research and development hotspots are gradually formed, and the phenomenon of poor heat dissipation effect generally exists in the direct type backlight module and the light source device which are common in the market, after the device is used for a long time, the phenomenon that internal parts are easy to age quickly due to poor heat dissipation is caused, and inconvenience is brought to a user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straight following formula backlight unit and light source device possesses the good advantage of radiating effect, has solved common straight following formula backlight unit and the relatively poor problem of light source device ubiquitous radiating effect in the market.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a straight following formula backlight unit and light source device, includes the body, the vent has all been seted up to the upper and lower both sides at the body back, equal fixed mounting has the fixed band around the body back, the screw hole has been seted up at the back of fixed band, the inboard fixedly connected with heat dissipation screen panel of fixed band, the positive fixed mounting of heat dissipation screen panel has rotary device, rotary device's outside fixedly connected with flabellum, the thermovent has all been seted up to both sides in the middle of the body back, the equal movable mounting in both sides of body has the mounting panel.

Preferably, the inner side of the mounting plate is provided with a clamping groove, and the inner side of the clamping groove is provided with a through hole.

Preferably, the upper side and the lower side of the inner side of the clamping groove are fixedly provided with mounting pieces, the inner side of each mounting piece is fixedly connected with a cooling fin, and the cooling fins are movably connected with the body.

Preferably, the back fixed mounting of mounting panel has the cushion, the positive top of mounting panel just is located the outside fixed mounting of body and has the baffle.

Preferably, the front of mounting panel has seted up the spout, the inner chamber movable mounting of spout has the slider, the front fixedly connected with dust guard of slider.

Preferably, the dustproof mesh enclosure is fixedly mounted on the upper side and the lower side of the front face of the dustproof plate, the handle is fixedly mounted in the middle of the front face of the dustproof plate, and the LED lamp is fixedly connected to the bottom of the body.

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

1. the utility model discloses a flabellum that the rotary device drove the surface after the operation rotates and to discharge the heat that can be effectively with the inside production of body from vent department, can prevent effectively through the heat dissipation screen panel that the phenomenon of backward flow from appearing in the vent, it is inside to prevent to get into the body again after the heat is discharged, it installs and fixes to the heat dissipation screen panel to set up convenient to use screw through the screw hole, be convenient for assemble and protect the body through the mounting panel, the security of reinforcing body in the use, the common straight following formula backlight unit and the relatively poor problem of light source device ubiquitous radiating effect in the market have been solved simultaneously.

2. The utility model discloses a fin can conduct the heat effectively, prolongs the life of body, is convenient for install the mounting panel and dismantle through draw-in groove and through-hole, can prevent effectively through dust guard and dustproof screen panel that the body from getting into the body in the use inside, is convenient for carry out slidingtype installation and dismantlement to the dust guard through slider and spout, improves user's work efficiency.

Drawings

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

FIG. 2 is a rear view of the structure of the present invention;

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

In the figure: 1. a body; 2. a vent; 3. fixing belts; 4. a threaded hole; 5. a heat dissipation mesh enclosure; 6. a rotating device; 7. a fan blade; 8. a heat dissipation port; 9. mounting a plate; 10. a card slot; 11. a through hole; 12. mounting a sheet; 13. a heat sink; 14. a soft cushion; 15. a baffle plate; 16. a chute; 17. a slider; 18. a dust-proof plate; 19. a dust-proof net cover; 20. a handle; 21. an LED lamp.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a direct type backlight module and a light source device, including a body 1, vents 2 are formed at upper and lower sides of a back surface of the body 1, fixing bands 3 are fixedly mounted around the back surface of the body 1, threaded holes 4 are formed at a back surface of the fixing bands 3, a heat dissipation mesh enclosure 5 is fixedly connected to an inner side of the fixing bands 3, a rotating device 6 is fixedly mounted at a front surface of the heat dissipation mesh enclosure 5, fan blades 7 are fixedly connected to an outer side of the rotating device 6, heat dissipation ports 8 are formed at two sides of a middle of the back surface of the body 1, mounting plates 9 are movably mounted at two sides of the body 1, a sliding groove 16 is formed at a front surface of the mounting plates 9, a sliding block 17 is movably mounted in an inner cavity of the sliding groove 16, the sliding type mounting and dismounting of a dust guard 18 are facilitated through the sliding block 17 and the sliding groove 16, so as to improve a working efficiency of a user, the dust guard 18 is fixedly connected to the front surface of the sliding block 17, the dust can be effectively prevented from entering the body 1 through the dust guard 18 and the dust guard 19 in the using process, the dust guard 19 is fixedly arranged on the upper and lower sides of the front of the dust guard 18, the handle 20 is fixedly arranged in the middle of the front of the dust guard 18, the LED lamp 21 is fixedly connected to the bottom of the body 1, the cushion 14 is fixedly arranged on the back of the mounting plate 9, the baffle 15 is fixedly arranged on the top of the front of the mounting plate 9 and positioned on the outer side of the body 1, the clamping groove 10 is formed in the inner side of the mounting plate 9, the mounting plate 9 can be conveniently mounted and dismounted through the clamping groove 10 and the through hole 11, the mounting pieces 12 are fixedly arranged on the upper and lower sides of the inner side of the clamping groove 10, the radiating fins 13 are fixedly connected to the inner side of the mounting pieces 12, the heat can be effectively conducted through the radiating fins 13, the service life of the body 1 is prolonged, the radiating fins 13 are movably connected with the body 1, the through hole 11 is formed in the inner side of the clamping groove 10, drive flabellum 7 on surface after the operation through rotary device 6 and rotate and can discharge the heat that body 1 inside produced from vent 2 effectively, can prevent vent 2 phenomenon of backward flow effectively through heat dissipation screen panel 5, it is inside to prevent that heat from discharging back reentrant body 1, it installs and fixes heat dissipation screen panel 5 to be convenient for use screw through setting up of screw hole 4, be convenient for assemble and protect body 1 through mounting panel 9, strengthen the security of body 1 in the use, common straight following formula backlight unit and the relatively poor problem of light source device ubiquitous radiating effect in the market have been solved simultaneously.

All the components in the utility model are universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the technical manual or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, the control mode is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of technicians in the field, the components belong to the common knowledge in the field, and the application document is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the application document, no specific description will be made herein.

During the use, install mounting panel 9 to the both sides of body 1, can prevent through cushion 14 that body 1 from producing the phenomenon of direct and ground contact when placing and influencing the heat dissipation, use slider 17 and spout 16 to carry out slidingtype installation and dismantlement to dust guard 18, can prevent through dust guard 18 and dust screen 19 that body 1 from getting into inside the body 1 in the use dust, can use the screw to install and fix heat dissipation screen panel 5 through screw hole 4, drive flabellum 7 on surface after the running through rotary device 6 and rotate and to make the heat of the inside production of body 1 discharge from vent 2.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a straight following formula backlight unit and light source device, includes body (1), its characterized in that: vent (2) have all been seted up to the upper and lower both sides at the body (1) back, equal fixed mounting all around at the body (1) back has fixed band (3), threaded hole (4) are seted up at the back of fixed band (3), inboard fixedly connected with heat dissipation screen panel (5) of fixed band (3), the positive fixed mounting of heat dissipation screen panel (5) has rotary device (6), outside fixedly connected with flabellum (7) of rotary device (6), thermovent (8) have all been seted up to both sides in the middle of body (1) the back, the equal movable mounting in both sides of body (1) has mounting panel (9).

2. The direct-type backlight module and the light source device as claimed in claim 1, wherein: the mounting structure is characterized in that a clamping groove (10) is formed in the inner side of the mounting plate (9), and a through hole (11) is formed in the inner side of the clamping groove (10).

3. The direct-type backlight module and the light source device as claimed in claim 2, wherein: the upper side and the lower side of the inner side of the clamping groove (10) are fixedly provided with mounting pieces (12), the inner side of each mounting piece (12) is fixedly connected with a radiating fin (13), and the radiating fins (13) are movably connected with the body (1).

4. The direct-type backlight module and the light source device as claimed in claim 1, wherein: the back fixed mounting of mounting panel (9) has cushion (14), the outside fixed mounting that just is located body (1) at the positive top of mounting panel (9) has baffle (15).

5. The direct-type backlight module and the light source device as claimed in claim 1, wherein: spout (16) have been seted up in the front of mounting panel (9), the inner chamber movable mounting of spout (16) has slider (17), the front fixedly connected with dust guard (18) of slider (17).

6. The direct-type backlight module and the light source device as claimed in claim 5, wherein: equal fixed mounting in the positive upper and lower both sides of dust guard (18) has dust screen panel (19), the positive centre fixed mounting of dust guard (18) has handle (20), the bottom fixedly connected with LED lamp (21) of body (1).

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