CN206058817U - A kind of LED display module bottom case structure - Google Patents
A kind of LED display module bottom case structure Download PDFInfo
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- CN206058817U CN206058817U CN201621045849.1U CN201621045849U CN206058817U CN 206058817 U CN206058817 U CN 206058817U CN 201621045849 U CN201621045849 U CN 201621045849U CN 206058817 U CN206058817 U CN 206058817U
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- drain pan
- bottom case
- pan body
- case structure
- led display
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Abstract
The utility model discloses a kind of LED display module bottom case structure, including the plastic cement outer layer of drain pan body and injection mo(u)lding, multiple convex tendons and boss are provided with the inside of the drain pan body.First molding drain pan body, then injection-molded plastic shell again, makes bottom case structure have preferable intensity, flatness and concordance；The intensity that convex tendon can further improve bottom case structure is set on the inside of drain pan body, is unlikely to deform bottom case structure；Drain pan originally set in vivo boss can direct or indirect contact chip auxiliary heat dissipation, improve radiating effect.
Description
Technical field
This utility model is related to field of LED display, more particularly to a kind of LED display module bottom case structure.
Background technology
In recent years, LED display casing is from traditional sheet metal box body and set combination structure to module and casing one
Change direction to develop, that is to say, that the drain pan of module instead of original sheet metal box body component and form separate knot with mask
Structure unit, casing have the group screen that can interlink, and can have driving, control and power supply with inside, also can external these electronics electricity
The features such as device element.The overall structures of this casing are lightweight, and compact conformation, thickness are little, size and flatness precision
It is high.In the structure of this module type casing, module drain pan has the function of casing, it is desirable to which which has higher intensity and just
Property.
Existing LED display module bottom case structure typically adopts plastics or plastic reinforcement injection mo(u)lding, injection mo(u)lding
Plastics drain pan have the advantages that low cost, high precision, concordance are good, but its rigidity and intensity are poor, if PCB deformations can be led
The flatness of whole display screen module is caused to be deteriorated.Module drain pan can also adopt the die-casting material die casts such as aluminium alloy, then
Carry out machining again, aluminium alloy drain pan its advantage of die cast is that intensity is high, but concordance is not so good as plastics drain pan, flatness
Affected larger by machining with precision, if precision will be improved, its processing cost will be very high.
Utility model content
Technical problem to be solved in the utility model is：There is provided the good LED of a kind of intensity height, high precision, concordance to show
Display screen module bottom case structure.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of LED display module drain pan
Structure, including the plastic cement outer layer of drain pan body and injection mo(u)lding, are provided with multiple convex tendons and boss on the inside of the drain pan body.
Further, the drain pan body outer rim is provided with grid.
Further, the drain pan body is provided with stretch flanging structure.
Further, the drain pan body includes aluminium alloy, steel or carbon fibre composite.
Further, the drain pan body punching press, die casting or forging molding.
Further, the drain pan body includes nanostructured surface laye.
Further, also including heat conduction silicone, the heat conduction silicone is invested on the inside of the drain pan body.
Further, the plastic cement outer layer also includes reinforcing fiber.
The beneficial effects of the utility model are：First molding drain pan body, then injection-molded plastic shell again, makes drain pan
Structure has preferable intensity, flatness and concordance；Convex tendon is set on the inside of drain pan body and can further improve bottom case structure
Intensity, be unlikely to deform bottom case structure；Originally it is auxiliary that the chip that boss directly or indirectly can be contacted on pcb board is set in vivo in drain pan
Radiating is helped, radiating effect is improved.
Description of the drawings
Fig. 1 is this utility model bottom case structure, heat conduction silicone and pcb board location diagram；
Fig. 2 is this utility model display screen module generalized section；
Fig. 3 is this utility model bottom case structure schematic diagram；
Fig. 4 is this utility model drain pan body construction schematic diagram；
Label declaration：
1st, convex tendon；2nd, boss；3rd, stretch flanging structure；4th, grid；5th, plastic cement outer layer；6th, chip；10th, bottom case structure；20、
Heat conduction silicone；30th, pcb board.
Specific embodiment
By describing technology contents of the present utility model in detail, realizing purpose and effect, below in conjunction with embodiment and match somebody with somebody
Close accompanying drawing to be explained.
The design of this utility model most critical is:Convex tendon is set on the inside of drain pan body, drain pan knot can be further improved
The intensity of structure, is unlikely to deform bottom case structure；Originally boss is set in vivo in drain pan, can directly or indirectly contact the core on pcb board
Piece auxiliary heat dissipation, improves radiating effect.
Refer to Fig. 1 to Fig. 4, a kind of LED display module bottom case structure, including the plastic cement of drain pan body and injection mo(u)lding
Outer layer, is provided with multiple convex tendons and boss on the inside of the drain pan body.
Knowable to foregoing description, the beneficial effects of the utility model are：First molding drain pan body, then injection mo(u)lding again
Cabinet, makes bottom case structure have preferable intensity, flatness and concordance；Convex tendon is set on the inside of drain pan body and can enter one
Step improves the intensity of bottom case structure, is unlikely to deform bottom case structure；Originally set boss in vivo in drain pan directly or indirectly to contact
Chip auxiliary heat dissipation on pcb board, improves radiating effect.
Further, the drain pan body outer rim is provided with grid.
Seen from the above description, setting grid in outer rim can allow the two sides of drain pan body that plastic cement is all distributed with, and so mould
The contractility of glue can be in two face balances of drain pan body, so as to ensure the flatness of drain pan, it is not easy to deform.
Further, the drain pan body is provided with stretch flanging structure.
Seen from the above description, stretch flanging structure increased the bending resistant section coefficient at interface, substantially increase bending resistance strong
Degree makes drain pan that deformation to be less likely to occur.
Further, the drain pan body includes aluminium alloy, steel or carbon fibre composite.
Seen from the above description, aluminium alloy, steel, carbon fibre composite etc. can serve as the forming material of drain pan body
Material, its intensity are higher, and the drain pan body after molding is not susceptible to deformation.
Further, the drain pan body punching press, die casting or forging molding.
Further, the drain pan body includes nanostructured surface laye.
Seen from the above description, the combination that nanometered disposal can increase drain pan body and plastic outer layer is carried out to drain pan body
Intensity, and making Nano surface of metal material can improve bulk strength and corrosion resistance of material etc..
Further, also including heat conduction silicone, the heat conduction silicone is invested on the inside of the drain pan body.
Seen from the above description, attached one layer of heat conduction silicone on drain pan body, is conducive to the internal electronic elements such as chip
Radiating, the service life of chip and LED display can be improved.
Further, the plastic cement outer layer also includes reinforcing fiber.
Seen from the above description, in plastic cement outer layer appropriate reinforcing fiber is added to improve the intensity of plastic cement outer layer.
Embodiment one
Fig. 1 to Fig. 4 is refer to, embodiment of the present utility model is：As shown in figure 1, a kind of LED display module, bag
Bottom case structure 10, heat conduction silicone 20 and pcb board 30 are included, pcb board 30 is provided with multigroup chip 6.It is illustrated in figure 2 display screen mould
Group generalized section, heat conduction silicone 20 are located between bottom case structure 10 and pcb board 30, play conduction of heat, heat conduction silicone
20 heat conductivity is 20 times of air, is conducive to conducting the heat distributed when chip 6 works, improves the service life of chip 6.
As shown in figure 3, bottom case structure 10 includes drain pan body and plastic cement outer layer 5, plastic cement outer layer 5 coats the whole outside of drain pan body
Frame and sections inner side and portion outboard surface.As shown in figure 3, drain pan body is provided with convex tendon 1, boss 2 and grid 4, convex tendon
1 effect is the intensity for improving bottom case structure 10 so as to be not susceptible to deformation；Boss 2 can be contacted with heat conduction silicone 20, conduction
Heat, improves radiating efficiency；The effect of grid 4 allows the two sides of drain pan body that plastic cement is all distributed with when being injection, such plastic cement
Contractility can in two face balances of drain pan body, so as to ensure the flatness of drain pan, it is not easy to deform, however, to ensure that
The radiating effect of boss 2, convex tendon 1, plastic cement should avoid covering boss 2 and convex tendon 1, that is to say, that plastic cement outer layer 5 exposes boss
2 and convex tendon 1；The stretch flanging structure 3 of drain pan body can increase interface bending resistant section coefficient, greatly improve bending strength.
In the present embodiment, the material of the drain pan body is aluminium alloy or steel, the forming process of the bottom case structure 10
It is as follows：
1) molding drain pan body：Aluminium alloy or steel are molded into drain pan through processes such as punching press, die casting or forging moldings
Body, naturally it is also possible to be other machining modes, stretch flanging process is carried out to drain pan body again then.The drain pan sheet
Side is provided with convex tendon 1, boss 2 and/or grid 4 in vivo.
2) injection mo(u)lding plastic cement outer layer 5, puts into the drain pan body of forming in injection mold first, is then noted
It is moulding into plastic cement outer layer 5, it is except the outer rim turned over time in the outside of drain pan body and stretching has plastic layer, convex in drain pan body
Also there is plastic cement the junctions such as muscle, can further increase the intensity of bottom case structure 10 so as to be not susceptible to deformation.During injection,
In the case of ensureing 5 toughness of plastic cement outer layer, appropriate reinforcing fiber can be added to improve the intensity of plastic cement outer layer 5.
In the present embodiment, strengthen, after leveling, placing into injection mo(u)lding bottom case structure 10 in module using aluminium alloy or steel,
The advantages of combining aluminium alloy or steel high intensity and plastic cement high accuracy, high concordance, low cost so that bottom case structure 10 has
Better performance and lower cost；Aluminium alloy or steel have high heat conductance in addition, are conducive to conducting heat conduction silicone 20
The heat of chip 6 be dispersed into the external world, improve the service life of chip 6 and LED display, LED display be greatly lowered
Optical attenuation；It is close to additionally, due to the thermal coefficient of expansion and pcb board 30, display screen box body of aluminium alloy or steel, can significantly reduces
As caused by variation of ambient temperature, bottom case structure 10, pcb board 30 and display screen box body expand with heat and contract with cold the inconsistent change for causing
Shape.
Embodiment two
Embodiment of the present utility model two with the difference of embodiment one is, before injection mo(u)lding plastic cement outer layer 5,
Nanometered disposal is carried out to drain pan body, nanostructured surface laye is formed in drain pan body surface, can be increased drain pan body and plastic cement
The bond strength of outer layer 5, and making Nano surface of metal material can improve bulk strength and corrosion resistance of material etc..
Embodiment three
Embodiment of the present utility model three with the difference of embodiment one and embodiment two is, molding in embodiment three
The material of drain pan body is carbon fibre composite, and the method for molding drain pan body is hot-forming, can be impregnated carbon fiber ring
The composite of oxygen resin formation, naturally it is also possible to be other carbon fibre composites.The intensity of the carbon fibre composite
Height, the good heat conduction effect of heat conduction carbon fiber, and the thermal coefficient of expansion of carbon fiber are also close to pcb board 30, display screen box body.
In sum, a kind of LED display module bottom case structure that this utility model is provided, including drain pan body and injection
The plastic cement outer layer of molding, is provided with multiple convex tendons and boss on the inside of the drain pan body.First molding drain pan body, is then molded into again
Plastic shell, makes bottom case structure have preferable intensity, flatness and concordance；Convex tendon is set on the inside of drain pan body to enter
One step improves the intensity of bottom case structure, is unlikely to deform bottom case structure；Originally set boss in vivo in drain pan directly or indirectly to connect
Tactile chip auxiliary heat dissipation, improves radiating effect；Heat conduction silicone is conducive to the radiating of the internal electronic elements such as chip, can improve
The service life of chip and LED display；Aluminium alloy, steel, carbon fibre composite etc. can serve as drain pan body into
Section bar material, its intensity are higher, and the drain pan body after molding is not susceptible to deformation, and its thermal coefficient of expansion and pcb board, display screen
Casing is close to, and can significantly reduce as caused by variation of ambient temperature, bottom case structure, pcb board and display screen box body flatulence of heat type are cold
The inconsistent deformation for causing of contracting；Nanometered disposal is carried out to aluminium alloy or steel drain pan body, drain pan body and plastic cement can be increased
The bond strength of outer layer, and improve bulk strength and corrosion resistance of material etc..
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalents made using this utility model description and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, is included in scope of patent protection of the present utility model in the same manner.
Claims (8)
1. a kind of LED display module bottom case structure, including the plastic cement outer layer of drain pan body and injection mo(u)lding, it is characterised in that
Multiple convex tendons and boss are provided with the inside of the drain pan body.
2. LED display module bottom case structure according to claim 1, it is characterised in that the drain pan body outer rim
It is provided with grid.
3. LED display module bottom case structure according to claim 2, it is characterised in that the drain pan body is provided with drawing
Stretch turnup structure.
4. the LED display module bottom case structure according to any one of claims 1 to 3, it is characterised in that the drain pan sheet
Body includes aluminium alloy, steel or carbon fibre composite.
5. LED display module bottom case structure according to claim 4, it is characterised in that the drain pan body punching press, pressure
Casting or forging molding.
6. LED display module bottom case structure according to claim 1, it is characterised in that the drain pan body includes receiving
Rice structure top layer.
7. the LED display module bottom case structure according to claims 1 to 3,5,6 any one, it is characterised in that also include
Heat conduction silicone, the heat conduction silicone are invested on the inside of the drain pan body.
8. the LED display module bottom case structure according to claims 1 to 3,5,6 any one, it is characterised in that the modeling
Glue outer layer also includes reinforcing fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045849.1U CN206058817U (en) | 2016-09-08 | 2016-09-08 | A kind of LED display module bottom case structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621045849.1U CN206058817U (en) | 2016-09-08 | 2016-09-08 | A kind of LED display module bottom case structure |
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| CN206058817U true CN206058817U (en) | 2017-03-29 |
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| CN201621045849.1U Active CN206058817U (en) | 2016-09-08 | 2016-09-08 | A kind of LED display module bottom case structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448478A (en) * | 2016-09-08 | 2017-02-22 | 深圳市洲明科技股份有限公司 | LED display screen module bottom shell structure and forming method thereof |
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2016
- 2016-09-08 CN CN201621045849.1U patent/CN206058817U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448478A (en) * | 2016-09-08 | 2017-02-22 | 深圳市洲明科技股份有限公司 | LED display screen module bottom shell structure and forming method thereof |
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