CN202927589U - LED (light emitting diode) bulb lamp - Google Patents
LED (light emitting diode) bulb lamp Download PDFInfo
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- CN202927589U CN202927589U CN2012206782140U CN201220678214U CN202927589U CN 202927589 U CN202927589 U CN 202927589U CN 2012206782140 U CN2012206782140 U CN 2012206782140U CN 201220678214 U CN201220678214 U CN 201220678214U CN 202927589 U CN202927589 U CN 202927589U
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Abstract
The utility model relates to an LED (light emitting diode) bulb lamp, which comprises a metal case (1), a non-isolation power supply (2), a lamp holder (3), at least one LED lamp bead (8), a lamp shade (9), a conducting wire (10) and a base plate (11) and is characterized in that the base plate (11) is directly arranged on a platform plate, the creep distance between each LED lamp bead (8) arranged on the base plate (11) and the metal case (1) is respectively greater than 1.4mm, or an insulation layer is arranged between the base plate (11) and the platform plate, and in addition, the creep distance between each LED lamp bead (8) arranged on the base plate (11) and the metal case (1) is between 1mm and 1.4mm. The utility model provides the LED bulb lamp with the advantages that a non-isolation power supply is adopted, but the safety is good.
Description
Technical field
The utility model relates to the LED technical field of lighting fixtures, specifically refers to a kind of LED bulb lamp.
Background technology
LED bulb lamp of the prior art, in order to guarantee safe insulation voltage, be all generally to adopt insulating power supply (referring to has the power supply that carries out electrical isolation by transformer between input and load end) type of drive, this mode can guarantee the safe insulation of LED bulb lamp; But the mode that adopts insulating power supply to drive, because of the efficient of insulating power supply itself low, itself need during work to consume the part electric energy (generally between 35% ~ 20%, and the less efficient of power is lower), caused LED bulb lamp luminous efficiency to reduce, be exactly that this LED bulb lamp in use can produce more heat transfer in addition, increased the lip-deep heat of LED bulb lamp, make be subject to greatly threatening the service life of LED bulb lamp.In general adopt simultaneously the volume of LED bulb lamp of insulating power supply type of drive larger, relatively wasting space.In view of the foregoing, there is the people to attempt insulating power supply is replaced to non-insulating power supply in prior art.But the danger of electric shock is just arranged due to non-insulating power supply (referring to do not undertaken by transformer the power supply of electrical isolation between input and load end) touch load in practice; So although non-insulating power supply cost is low, simple in structure, also few in the utilization of LED bulb lamp technical field.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of and adopt non-insulating power supply but the good LED bulb lamp of security.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of LED bulb lamp, and it comprises metal shell, non-insulating power supply, lamp socket, at least one LED lamp pearl, lampshade, wire and substrate; One end of described metal shell is connected with lamp socket, and the other end of metal shell is connected with lampshade; The end that metal shell is connected with lampshade is provided with the landing slab for installation base plate, and pearl is arranged on substrate the LED lamp; Non-insulating power supply is arranged in the cavity of lamp socket and metal shell formation, and described landing slab and substrate are provided be used to the through wires hole that passes wire, and non-insulating power supply is electrically connected to LED lamp pearl by wire; Described substrate is directly installed on described landing slab, and each the LED lamp pearl on substrate and the creep age distance between metal shell are all greater than 1.4mm;
Perhaps be provided with each LED lamp pearl on insulating barrier and substrate and the creep age distance between metal shell between described substrate and landing slab between 1～1.4mm.
After adopting above structure, the utlity model has following advantage: adopt non-insulating power supply power supply, but the creep age distance between each the LED lamp pearl on substrate and metal shell is all greater than 1.4mm; Perhaps be provided with insulating barrier between described substrate and landing slab, each LED lamp pearl on substrate and the creep age distance between metal shell are between 1～1.4mm, and this structure can also well prevent the generation of electric shock accidents when having guaranteed each LED lamp pearl normal operation.Between two conductive parts that described creep age distance refers to record along insulating surface or the beeline between conductive parts and equipment protection interface.In the utility model, as those skilled in the art general knowledge, all be provided with a layer insulating on the substrate that relates in the utility model, LED lamp pearl is on the metal level that is installed on insulating barrier, so the creep age distance that relates in the utility model can be understood as each LED lamp pearl along the surface of the insulating barrier under it to the beeline between another conductive parts of periphery.Above-mentioned creep age distance value range is repeatedly studied with test through the applicant and is drawn, so the distance that arranges between LED lamp pearl and peripheral conductive parts by above-mentioned creep age distance can guarantee the protection against electric shock performance that product is good.That is to say, accurately control the creep age distance between LED lamp pearl and peripheral conductive parts when the utility model product passes through to adopt non-insulating power supply, thus the product safety that obtains insulation, use is reliable, and the life-span is longer; And power-efficient is high, than present existing insulating power supply improved efficiency more than 10%, and can effective use of energy sources; And the component number of power supply reduces in a large number when having improved whole LED bulb lamp reliability and has reduced cost and effectively controlled product space.
As preferably, described substrate is followed successively by copper foil layer, heat conductive insulating layer and aluminum layer from top to bottom, and described heat conductive insulating layer is ceramic layer, and the sidewall of described ceramic layer is provided with outwards outstanding closed-loop shaped projection.This structure can well increase creep age distance between LED lamp pearl and peripheral conductive parts in the situation that do not increase the thickness of heat conductive insulating layer.
As preferably, described substrate is followed successively by copper foil layer, heat conductive insulating layer and aluminum layer from top to bottom, and described heat conductive insulating layer is ceramic layer, is equipped with inwardly recessed closed-loop shaped groove on each sidewall of described ceramic layer.This structure can well increase creep age distance between LED lamp pearl and peripheral conductive parts in the situation that do not increase the thickness of heat conductive insulating layer.
As preferably, the insulating barrier between described substrate and landing slab is the insulation glue-line.Insulation glue-line quality is soft, cuts out conveniently, and is quick for installation, can firmly paste.
As preferably, described substrate is provided with screwed hole, and substrate is fixedly connected with landing slab by screw, and described screw is made by insulating materials.The screw of insulation does not have creepage phenomenon, need not consider the creep age distance between LED lamp pearl and screw when layout.
As preferably, described substrate is followed successively by copper foil layer, heat conductive insulating layer and aluminum layer from top to bottom, and the surface area of described copper foil layer is less than the surface of heat conductive insulating layer; Described substrate is provided with the screwed hole that only passes heat conductive insulating layer and aluminum layer, substrate is fixedly connected with landing slab by the cooperation of screw and screwed hole, described screw is made by metal material, and each the LED lamp pearl on described substrate and the creep age distance between each screw are all greater than 1.4mm.Although the screw of metal material will be considered creep age distance, comparatively general, connect more firmly, and by above-mentioned setting, do not have equally electric shock hidden danger.
Description of drawings
Fig. 1 is the structural representation of the utility model LED bulb lamp.
Fig. 2 is the sectional structure schematic diagram of the A-A face of Fig. 1.
Fig. 3 is the structural representation of loading onto the substrate after the lamp pearl in the LED bulb lamp.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the sectional structure schematic diagram of the B-B face of Fig. 3.
Fig. 6 is the structural representation of heat conductive insulating layer under a kind of embodiment.
Fig. 7 is the structural representation of heat conductive insulating layer under another kind of embodiment.
As shown in the figure: 1, metal shell, 2, non-insulating power supply, 3, lamp socket, 4, aluminum layer, 5, the heat conductive insulating layer, 6, screw, 7, copper foil layer, 8, LED lamp pearl, 9, lampshade, 10, wire, 11, substrate, 12, screwed hole, 13, through wires hole, 14, projection, 15, groove.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
1 to accompanying drawing 5 by reference to the accompanying drawings, a kind of LED bulb lamp, and it comprises metal shell 1, non-insulating power supply 2, lamp socket 3, at least one LED lamp pearl 8, lampshade 9, wire 10 and substrate 11; One end of described metal shell 1 is connected with lamp socket 3, and the other end of metal shell 1 is connected with lampshade 9; The end that metal shell 1 is connected with lampshade 9 is provided with the landing slab for installation base plate 11, and LED lamp pearl 8 is arranged on substrate 11; Non-insulating power supply 2 is arranged in the cavity of lamp socket 3 and metal shell 1 formation, and described landing slab and substrate 11 are provided be used to the through wires hole that passes wire 10, and non-insulating power supply 2 is electrically connected to LED lamp pearl 8 by wire 10; Described substrate 11 is directly installed on described landing slab, and each the LED lamp pearl 8 on substrate 11 and the creep age distance between metal shell 1 are all greater than 1.4mm;
Perhaps be provided with each LED lamp pearl 8 on insulating barrier and substrate 11 and the creep age distance between metal shell 1 between described substrate 11 and landing slab between 1～1.4mm
Described substrate 11 is followed successively by copper foil layer 7, heat conductive insulating layer 5 and aluminum layer 4 from top to bottom, described heat conductive insulating layer 5 is ceramic layer, the sidewall of described ceramic layer is provided with outwards outstanding closed-loop shaped projection 14, and described closed-loop shaped refers to that described projection 14 interconnects and with each side walls enclose of ceramic layer.
As another kind of embodiment, described substrate 11 is followed successively by copper foil layer 7, heat conductive insulating layer 5 and aluminum layer 4 from top to bottom, and described heat conductive insulating layer 5 is ceramic layer, is equipped with inwardly recessed closed-loop shaped groove 15 on each sidewall of described ceramic layer.
Insulating barrier between described substrate 11 and landing slab is the insulation glue-line.
General substrate is connected with landing slab by screw, and described substrate 11 is provided with screwed hole 12, and substrate 11 is fixedly connected with landing slab by screw 6, and described screw 6 is made by insulating materials.When screw 6 is insulation, just need not consider the creep age distance between each LED lamp pearl 8 and each screw 6.
The screw 6 that certain screw also can adopt metal material to make; Be that described substrate 11 is followed successively by copper foil layer 7, heat conductive insulating layer 5 and aluminum layer 4 from top to bottom, the surface area of described copper foil layer 7 is less than the surface of heat conductive insulating layer 5; Described substrate 11 is provided with the screwed hole 12 that only passes heat conductive insulating layer 5 and aluminum layer 4, substrate 11 is fixedly connected with landing slab by the cooperation of screw 6 and screwed hole 12, described screw 6 is made by metal material, and each the LED lamp pearl 8 on described substrate 11 and the creep age distance between each screw 6 are all greater than 1.4mm.Two screws of general employing are installed on respectively on a pair of diagonal angle of substrate 11, only need make each LED lamp pearl to get final product greater than 1.4mm to the minimum distance along heat conductive insulating layer 5 between each screw when arranging LED lamp pearl.
Need to prove: the copper foil layer 7 in accompanying drawing 3 is a monoblock platy structure in the drawings, and this is a kind of schematic explanation, erodes away circuit on the copper foil layer 7 described in actual product.The structure of the circuit on this point and pcb board is identical, that is to say on copper foil layer 7 it is the corresponding Copper Foil loop that is electrically connected to wire 10 of each LED lamp pearl.Because the wiring in loop can be diversified, and identical with copper foil layer structure of the prior art, inventive point of the present utility model is not had substantial effect, so do not draw concrete circuit, explanation hereby in accompanying drawing 3.Be exactly described in the utility model in addition: the creep age distance between each LED lamp pearl and metal shell is between 1～1.4mm.This sentence should be understood like this, i.e. each LED lamp pearl and the electric conductor that is attached thereto that logical copper foil layer forms and this electric conductor of metal shell creep age distance between the two.If in the situation that screw is metal, creep age distance between described each LED lamp pearl 8 and each screw 6 is all greater than 1.4mm, the electric conductor that refers to equally each LED lamp pearl and be attached thereto that logical copper foil layer forms and the creep age distance between each screw 6.
The utility model in the specific implementation, lampshade 9 can adopt the PC material, lampshade 9 is threaded with metal shell 1.LED lamp pearl can arrange many, as 12 arrays of four lines three row; The sidewall of described heat conductive insulating layer 5 can adopt the plane that projection or groove structure are not set, as long as guarantee this moment, insulating barrier is set not, and the thickness of heat conductive insulating layer 5 gets final product greater than 1.4mm.When being provided with insulating barrier, thickness can be between 1～1.4mm.The sidewall of described heat conductive insulating layer 5 can also be arranged to other structure of opening shape, as the projection of ridge shape or the groove of ditch shape etc.Described lamp socket 3 is identical with structure of the prior art, can adopt the screw cap type structure also can adopt fastening type structure.Described non-insulating power supply also has ripe commercially available module in the prior art in addition, and directly buying can be used.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, create aim in the situation that do not break away from the utility model, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (6)
1. LED bulb lamp, it comprises metal shell (1), non-insulating power supply (2), lamp socket (3), at least one LED lamp pearl (8), lampshade (9), wire (10) and substrate (11); One end of described metal shell (1) is connected with lamp socket (3), and the other end of metal shell (1) is connected with lampshade (9); The end that metal shell (1) is connected with lampshade (9) is provided with the landing slab for installation base plate (11), and LED lamp pearl (8) is arranged on substrate (11); Non-insulating power supply (2) is arranged in the cavity of lamp socket (3) and metal shell (1) formation, described landing slab and substrate (11) are provided be used to the through wires hole that passes wire (10), and non-insulating power supply (2) is electrically connected to LED lamp pearl (8) by wire (10); It is characterized in that: described substrate (11) is directly installed on described landing slab, and each the LED lamp pearl (8) on substrate (11) and the creep age distance between metal shell (1) are all greater than 1.4mm;
Perhaps be provided with each LED lamp pearl (8) on insulating barrier and substrate (11) and the creep age distance between metal shell (1) between described substrate (11) and landing slab between 1～1.4mm.
2. LED bulb lamp according to claim 1, it is characterized in that: described substrate (11) is followed successively by copper foil layer (7), heat conductive insulating layer (5) and aluminum layer (4) from top to bottom, described heat conductive insulating layer (5) is ceramic layer, and the sidewall of described ceramic layer is provided with outwards outstanding closed-loop shaped projection (14).
3. LED bulb lamp according to claim 1, it is characterized in that: described substrate (11) is followed successively by copper foil layer (7), heat conductive insulating layer (5) and aluminum layer (4) from top to bottom, described heat conductive insulating layer (5) is ceramic layer, is equipped with inwardly recessed closed-loop shaped groove (15) on each sidewall of described ceramic layer.
4. LED bulb lamp according to claim 1 is characterized in that: the insulating barrier between described substrate (11) and landing slab is the insulation glue-line.
5. LED bulb lamp according to claim 1, it is characterized in that: described substrate (11) is provided with screwed hole (12), and substrate (11) is fixedly connected with landing slab by screw (6), and described screw (6) is made by insulating materials.
6. LED bulb lamp according to claim 1, it is characterized in that: described substrate (11) is followed successively by copper foil layer (7), heat conductive insulating layer (5) and aluminum layer (4) from top to bottom, and the surface area of described copper foil layer (7) is less than the surface of heat conductive insulating layer (5); Described substrate (11) is provided with the screwed hole (12) that only passes heat conductive insulating layer (5) and aluminum layer (4), substrate (11) is fixedly connected with landing slab by the cooperation of screw (6) with screwed hole (12), described screw (6) is made by metal material, and each the LED lamp pearl (8) on described substrate (11) and the creep age distance between each screw (6) are all greater than 1.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206782140U CN202927589U (en) | 2012-12-10 | 2012-12-10 | LED (light emitting diode) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206782140U CN202927589U (en) | 2012-12-10 | 2012-12-10 | LED (light emitting diode) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927589U true CN202927589U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206782140U Expired - Fee Related CN202927589U (en) | 2012-12-10 | 2012-12-10 | LED (light emitting diode) bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295947A (en) * | 2013-07-17 | 2015-01-21 | 晋宝电气（浙江）有限公司 | Lamp with strip light source with non-safety voltage |
| CN108626704A (en) * | 2018-05-30 | 2018-10-09 | 浙江宇光照明科技有限公司 | A kind of insulation system of non-isolated driving lamps and lanterns |
-
2012
- 2012-12-10 CN CN2012206782140U patent/CN202927589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295947A (en) * | 2013-07-17 | 2015-01-21 | 晋宝电气（浙江）有限公司 | Lamp with strip light source with non-safety voltage |
| CN108626704A (en) * | 2018-05-30 | 2018-10-09 | 浙江宇光照明科技有限公司 | A kind of insulation system of non-isolated driving lamps and lanterns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131210 |