A kind of LED bulb and mount pad thereof
The utility model relates to LED lamp art, refers in particular to a kind of LED bulb and mount pad thereof.
LED has the advantages such as more energy-saving and environmental protection, the life-span is long, nothing is ultraviolet, harmless as a kind of semiconductor that can be luminous, not only is used widely in showing product, and has become the important development direction of illuminating product.
The structure of existing LED bulb generally comprises lamp holder, lampshade and the radiating seat between lamp holder and lampshade, and this radiating seat integral body is aluminum, and lamp holder is conductive material, and lampshade is glass material.Enclose between this lamp holder and radiating seat inner chamber and be formed with inner chamber, be used for installing the LED drive circuit plate, LED chip is fixed in the radiating seat below.
The design shortcoming of this LED bulb is: at first, the radiating seat of aluminum and the lampshade of glass system are all the harder materials of quality, are both rigid contacts after the assembling, make product be unable to undergo collision, bring inconvenience to transportation.Moreover the heat of LED chip passes on the radiating seat of aluminum, can cause the temperature of radiating seat higher, and forms high temperature in inner chamber, and too high temperature can be destroyed the electronic component of LED drive circuit plate, shortens the service life of product.Also have, the radiating seat of aluminum is conductive material, and lamp holder is also conductive material, all can cause "on" position after both connecting, and uses dangerous.
The utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of LED bulb and mount pad thereof, and its good insulating, heat-insulating capability are strong, safe and reliable, can effectively extend life of product.
For achieving the above object, the utility model adopts following technical scheme:
A kind of mount pad of LED bulb, comprise be used to the insulating base and the radiating piece that is installed on insulating base that are connected between lamp holder and lampshade, this radiating piece comprises that this fixed part and insulating base are solidly installed for the installation portion that connects LED chip and the fixed part that one is connected in installation portion.
Preferably, described radiating piece is to be made with metallic aluminium, and described insulating base is to be made with plastic material, and the fixed part of this radiating piece and this connector and separator are integrated the produced by insert molding syndeton.
Preferably, the installation portion of described radiating piece is rounded, and this fixed part is to extend upward along one from the week of installation portion to form.
Preferably, described insulating base comprises interconnecting piece and separator, and this fixed part is fixed between connector and separator.
Preferably, the top of described fixed part is along forming snap ring section to turning up, and this snap ring section is embedded in connector.
Preferably, described connector is horn-like, and this connector comprises that being positioned at the top is used for the first connecting portion of lamp holder assembling and is positioned at the bottom being used for the second connecting portion with the lampshade assembling.
Preferably, described the first connecting portion is provided with the screw thread that screws togather with lamp holder.
Preferably, described installation portion is provided with several installing holes that is used for fixed L ED chip.
A kind of LED bulb, comprise lamp holder and lampshade, also comprise above-mentioned mount pad, this lamp holder is connected to enclose the first inner chamber that formation one is used for installing the LED drive circuit plate with the upper end of mount pad, and this lampshade is connected to enclose the second inner chamber that formation one is used for the installation LED chip with the lower end of mount pad.
Preferably, described lamp holder is screw socket.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, the mount pad of the utility model has changed the structure that conventional mounting seat integral body is made with aluminum, by radiator and insulation combination originally, make good insulating, the heat-insulating capability of product strong, use safety and reliability, life of product is longer.
Particularly, at first, because insulating base is electrical insulator, make the rear insulating base of energising and adjacent component non-conductive mutually, avoid producing short circuit phenomenon, use safer reliable; In addition, the separator of radiator internal layer can be realized heat insulating function, and the LED driver circuit plate that is assembled in the first inner chamber is shielded, and avoids causing the first airtight inner chamber overheated and burn out LED driver circuit plate plate; Also have, because connector is plastic material, after being assembled into finished product, the bottom of connector contacts with lampshade and traditional very stiff and demanding situation can not occur, protects better lampshade, make product use and transport safer, the product longer service life.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Description of drawings
Fig. 1 is the assembling schematic perspective view of the embodiment of the utility model;
Fig. 2 is the first exploded view of Fig. 1;
Fig. 3 is the second exploded view of Fig. 1;
Fig. 4 is the sectional view of Fig. 1;
Fig. 5 is the sectional view of Fig. 2.
The accompanying drawing identifier declaration:
10, lamp holder 11, power interface
20, LED drive circuit plate 30, mount pad
31, insulating base 311, connector
312, separator 313, the first connecting portion
314, the second connecting portion 32, radiator
321, installation portion 322, fixed part
323, installing hole 324, snap ring section
33, the first inner chamber 34, the second inner chamber
35, breach 40, LED chip
The specific embodiment
Please refer to Fig. 1 to shown in Figure 5, it has demonstrated the concrete structure of the preferred embodiment of the utility model, and this LED bulb includes lamp holder 10, LED drive circuit plate 20, mount pad 30, LED chip 40 and lampshade 50.
Wherein, this lamp holder 10 is screw sockets, and it is made of the metallic conduction material, and this lamp holder 10 is provided with screw thread, and the top of lamp holder 10 is embedded with a power interface 11, installs with power pole.
Described mount pad 30 comprise the insulating base 31 that is made with plastic material and with the radiator 32 that is made into face with aluminum material, this radiator 32 is integrated the produced by insert molding syndeton with insulating base 31.Form one first inner chamber 33 after this mount pad 30 and lamp holder 10 combinations, be used for installing LED drive circuit plate 20, mount pad 30 is combined into lampshade 50 and forms one second inner chamber 34, and LED chip 40 is located in this second inner chamber 34.
Particularly, this radiator 32 comprise the installation portion 321 of a circle peviform and from installation portion 321 week along the fixed part 322 that extends upward formation, this installation portion 321 is provided with a plurality of installing holes 323, is used for fixed L ED chip 40, and the top of this fixed part 322 forms snap ring section 324 along outwards digging.
Described insulating base 31 comprises connector 311 and separator 312.These separator 312 one produced by insert molding are in the internal face of fixed part 322, these connector 311 one produced by insert molding are in the outside wall surface of fixed part 322, snap ring section 324 is embedded in connector 311, thereby, fixed part 322 embeddings of radiator 32 tightly between connector 311 and separator 312, form integral connecting structure.This design that encases the fixed part 322 of radiator 32 on inside and outside two sides with plastic material has realized the insulating effect of lamp holder 10 with other adjacent component, and the parts of energising are separated from each other, and avoids producing short circuit phenomenon, uses safer reliable; In addition, the separator 312 of radiator 32 internal layers can be realized heat insulating function, and the LED driver circuit plate 20 of inner chamber 33 is shielded, and avoids causing airtight inner chamber 33 overheated and burn plate.
The lower middle portion of this connector 311 is outwardly open is horn-like, connector comprises and is positioned at being used for the first connecting portion 313 of lamp holder 10 assemblings and being positioned at second connecting portion 314 with lampshade 50 assemblings of being used for of bottom of top, this first connecting portion 313 is provided with screw thread, is used for screwing togather with the screw thread of aforementioned lamp holder 10; It is jagged 35 that the interior edge of this second connecting portion 314 is formed with, and the open card of lampshade 50 is contained in this breach 35, and the second connecting portion 314 contacts at the outer of lampshade 50 openings.Because connector 311 is plastic materials, thereby to contact with lampshade 50 be the very stiff and demanding situation of tradition to occur to the second connecting portion 314 of connector 311, protects better lampshade 50, make product use and transport safer, the product longer service life; In addition, this connector 311 seamlessly transits with the lampshade 50 rear external structures of assembling, makes the lines of product seem more smooth, elegant in appearance.
In sum, design focal point of the present utility model is, it is mainly to be connected with the radiator 32 one produced by insert molding that are made into aluminum material with the insulating base 31 that plastic material is made, this insulating base 31 encases the fixed part 322 of radiator 32, to form a kind of new mount pad 30, this mount pad 30 makes that the insulating properties of bulb is better, heat-insulating capability is stronger, use safety and reliability, and makes the life-span longer.
The above, it is only preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment does.