CN103062725A

CN103062725A - LED lamp and power driver having lamp holder and used for LED lamp

Info

Publication number: CN103062725A
Application number: CN2013100078073A
Authority: CN
Inventors: 杨永红
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-09
Filing date: 2013-01-09
Publication date: 2013-04-24
Anticipated expiration: 2033-01-09
Also published as: CN103062725B

Abstract

The invention provides a power driver having a lamp holder and used for an LED lamp. The power driver comprises a lamp holder, a power drive PCB (printed circuit board) component, and a power output interface part. The lamp holder is used for being connected with a lamp base. The power drive PCB component is connected with the lamp holder. A protective case is arranged outside the power drive PCB component. The power output interface part is located at the tail end of the power drive PCB component and is connected with the power drive PCB component. Fastener elements are arranged on the outer surface of the lamp holder or the protective case and are used for fastening joint with a body of the LED lamp. The power output interface part is provided with first electric contactors used for contacting with second electric contactors to allow for electric connection. The invention further provides the LED lamp comprising the power driver which is provided with the lamp holder and used for the LED lamp. The LED can be further provided with a radiator with a middle cavity. Gaps among radiating fins on the periphery of the cavity are open towards the cavity. The problems that the radiating effect is poor and the LED lamp is less easy to demount and replace in the prior art are solved.

Description

The LED lamp reaches the power supply driver with lamp holder that is used for the LED lamp

Technical field

The present invention relates to lighting technical field, relate in particular to a kind of LED lamp and reach the power supply driver with lamp holder that is used for the LED lamp.

Background technology

As everyone knows, the high light efficiency of conventional incandescent energy consumption is low, and energy-saving fluorescent lamp contains noxious material, and frangible light efficiency is low.And the LED lighting engineering has the significant advantages such as high brightness, long service life, energy-conservation, environmental protection, is new illumination revolution after incandescent lamp, fluorescent lamp on the human illumination history.In the situation that global energy shortage, environmental requirement improve constantly, caused the great attention of national governments and relevant departments, all formulated relevant policies, the measure of promoting the semiconductor lighting industry development.Yet LED actuation techniques not mature enough (service life is shorter), and under the technical background of the continuous leap of LED light efficiency technology, the utmost point need to be set up the standard of a kind of LED power supply driver and light source, LED product in consumer's hand can not eliminated too soon, and the consumer can select to change power supply driver or led light source.So just can make the LED lighting engineering come into huge numbers of families, become a field with extensive market prospects.

Reach 10 years the service life of semiconductor LED, and the power drives technology also is not very ripe, and the power supply driver life-span generally only has about 1-2.At present, LED lamp power supply driver and led light source mostly are the closed integral structure.

Please refer to Fig. 1, Fig. 1 is the structural representation of the LED lamp of prior art.The LED lamp of prior art mainly is comprised of lamp holder 10, power drives PCB assembly 20, radiator 11, lamp plate 12 and lens 13.Lamp holder 10 is the screw-type lamp holder, is used for being connected with lamp socket.Power drives PCB assembly 20 is connected below this lamp holder 10 and with this lamp holder 10.The top of radiator 11 connects this lamp holder 10, and this power drives PCB assembly 20 then is positioned at the cavity of this radiator 11.This cavity is positioned at the middle part of this radiator 11, and this cavity circumferentially is provided with a plurality of fin, and this cavity is circumferentially sealing.Bottom at this radiator 11 also is provided with a base plate, also is provided with one or more through holes on this base plate.Be provided with the LED lamp on the lamp plate 12, this lamp plate 12 just is fixed on the below of this base plate.The through hole that one connection electric wire (not shown) is passed on these radiator 11 bottom base plates connects this power drives PCB assembly 20 and this lamp plate 12.Also be provided with lens 13 below this lamp plate 12, the mode that these lens 13 are threaded connection is connected with the bottom of this radiator 11.

In said structure, exist following fatal shortcoming:

1. heat dissipation problem: the temperature influence in service life of led light source and power supply driver (for example electrochemical capacitor) is very large, owing to adopt LED lamp power supply driver and led light source closed integral structure, led light source and the power supply driver Room of living together, certainly will cause the stack of led light source and power supply driver temperature rise, thereby accelerate the aging of them, seriously shortened the service life of LED and power supply driver.Can be several times as much as power supply the service life of LED illuminator under normal circumstances, therefore, prior art does not give full play of the characteristics of LED green light source long service life.

2, changing power supply driver all is to need the professional to operate, and return factory repair, can not directly dismantle replacement by the end user.In case power supply driver damages, maintain and replace is very inconvenient, will cause a kind of wasting of resources phenomenon that whole lamp (comprising normal led light source) is abandoned together.

3. in age of LED lighting engineering develop rapidly.The update speed of led driver power technology and led light source is also being accelerated.The led driver power-efficient, functional better and better (current ripples, the compatibility of light modulation).The luminous efficiency of led light source, colour rendering index, heatproof is better and better etc.Because two kinds of technology can not be synchronized developments, will inevitably cause some user only to think single replacing LED power supply driver or led light source according to the needs of self.At this moment the user can't select.

4. existing LED power supply driver and led light source integral structure can't make LED power supply driver and led light source become a kind of any standard of replacement assembly.As everyone knows, the LED industry is not single industry, and the focus of every company is different.There is the speciality advantage in some company in the LED power drives, and they just can select to produce the standard LED power supply driver product that they are absorbed in.And there is the speciality advantage in some company at led light source, and they just can produce the led light source product of the standard that they are absorbed in, to government and the more reliable LED product of the specially offered quality of common people.

Above shortcoming has hindered the LED illuminating product of environmental protection and has promoted and development.

Summary of the invention

The features and advantages of the present invention are partly statement in the following description, perhaps can describe obviously from this, perhaps can learn by putting into practice the present invention.

For overcoming the problem of prior art, the invention provides a kind of power supply driver with lamp holder for the LED lamp, adopt the heat that when the outer setting of power drives PCB assembly protects the mode of housing to make led light source and the work of power drives PCB assembly, produces no longer to cause the stack of temperature; Adopt simultaneously contact connected mode connection circuit, so just not needing to connect electric wire connects power drives PCB assembly and lamp plate, easier replacing and dismounting.

The present invention also provides a kind of LED lamp to comprise the power supply driver with lamp holder for the LED lamp, this LED lamp more can be furnished with the radiator that a middle part has cavity, the space that is arranged between each circumferential fin of this cavity is opened wide to this cavity, make the inside and outside airflow of this radiator, radiating effect is better.This LED lamp comprises that also snap device and the power supply driver with lamp holder that is used for the LED lamp carry out snap engagement, and it is inner that this snap device is arranged at described radiator, or is arranged in the independent attachment that link to each other with described radiator.So the end user need to just can not change power supply driver and the LED lamp main part with lamp holder that is used for the LED lamp in safe and convenient ground by any instrument (even screwdriver).

It is as follows that the present invention solves the problems of the technologies described above the technical scheme that adopts:

According to an aspect of the present invention, provide a kind of power supply driver with lamp holder for the LED lamp, comprising: lamp holder is used for being connected with lamp socket; Power drives PCB assembly, it is connected with lamp holder, and is provided with the protection housing in its outside; Power output interface spare, the end that is positioned at power drives PCB assembly links to each other with power drives PCB assembly.Wherein, be provided with buckle element at lamp holder or containment vessel external surface, be used for carrying out snap engagement with LED lamp main part; Power output interface spare is provided with first and electrically contacts body, be used for LED lamp main part on corresponding second electrically contact body and contact, realize electrical connection.

According to one embodiment of present invention, wherein also be provided with an elastic cylinder on this power output interface spare, be used for carrying out Elastic Contact with LED lamp main part, this buckle element is locked on this LED lamp main part in the corresponding draw-in groove.

According to one embodiment of present invention, lamp holder is removable lamp holder, and it detachably is connected with power drives PCB assembly.

According to a further aspect in the invention, provide a kind of LED lamp, comprise the above-mentioned power supply driver with lamp holder for the LED lamp, and comprise LED lamp main part, this LED lamp main part comprises: radiator, and its middle part has cavity, is used for accommodating this power supply driver; The LED lamp plate, it is arranged at the bottom of this radiator; Lens, it is arranged on below this LED lamp plate, and links to each other with this radiator bottom; Snap device, it is inner that it is arranged at this radiator, or be arranged in the independent attachment that link to each other with this radiator, is used for carrying out snap engagement for the LED lamp with the buckle element on the power supply driver of lamp holder with this; Power input interface spare, it is arranged at the bottom of this radiator, is electrically connected with this LED lamp plate, and has second and electrically contact body, is used for electrically contacting body and contact with above-mentioned first, realizes electrical connection.

According to one embodiment of present invention, wherein this radiator comprises a plurality of fin that circumferentially arrange around middle cavity, and the space between each fin is opened wide to this cavity, makes the inside and outside airflow connection of this radiator.

According to one embodiment of present invention, wherein power input interface spare be set to power output interface spare on the elastic cylinder that arranges cooperatively interact, this buckle element is locked in this snap device.

According to one embodiment of present invention, wherein snap device adopts U-shaped groove, and the buckle element that is arranged at lamp holder or this containment vessel external surface is projection, is stuck in this U-shaped groove by this projection and realizes snap engagement.

According to one embodiment of present invention, wherein first electrically contacts body and is included in radially two electric contacts arranging of interval, diverse location place of this power output interface spare, or with the elastic cylinder that arranges on the power output interface spare as one of them electric contact; Second electrically contacts body is included in radially two electric contacts of interval, diverse location place setting of this power input interface spare.

According to one embodiment of present invention, above-mentioned electric contact is conducting post, conduction fan body or conductive ring.

According to one embodiment of present invention, wherein lamp holder or containment vessel external surface also are provided with limited block, are provided with spacing retaining groove in this LED lamp main part, and this limited block and spacing retaining groove cooperatively interact, and prevent that lamp holder from excessively inserting LED lamp main part.

According to one embodiment of present invention, the screw thread that wherein arranges by the end between radiator and lens or the attachment is threaded.

A kind of a kind of standard that is expected to become LED lamp lighting engineering for power supply driver and a kind of LED lamp with lamp holder of LED lamp provided by the invention, allow the more absorbed development of more supplier they have superiority, provide quality more reliable standard product.Make those also ripe not enough at the worry LED that hesitates, the many portions of the user who is eliminated very soon can be constantly updated the selection of the replacement.Allow LED enter into early huge numbers of families, promote the fast development of LED illuminating product.

By reading specification, those of ordinary skills will understand feature and the content of these technical schemes better.

Description of drawings

Below by describing particularly the present invention with reference to the accompanying drawings and in conjunction with example, advantage of the present invention and implementation will be more obvious, wherein content shown in the accompanying drawing only is used for explanation of the present invention, and does not consist of the restriction of going up in all senses of the present invention, in the accompanying drawings:

Fig. 1 is the structural representation of the LED lamp of prior art.

Fig. 2 is the LED modulated structure schematic diagram of the embodiment of the invention one.

Fig. 3 is the decomposition texture schematic diagram with the power supply driver of lamp holder that is used for the LED lamp of the embodiment of the invention one.

Fig. 4 is the structural representation of power output interface spare of the power supply driver of the embodiment of the invention one.

Fig. 5 is the decomposition texture schematic diagram of the LED lamp main part of the embodiment of the invention one.

Fig. 6 is the structural representation of the embodiment of the invention one radiator.

Fig. 7 is the structural representation of power input interface spare of the led light source of the embodiment of the invention one.

Fig. 8 is the structural representation of the attachment of the embodiment of the invention one.

Fig. 9 A is the snap device and the schematic diagram with the power supply driver engaging process of lamp holder that is used for LED of the embodiment of the invention one.

Fig. 9 B is snap device and schematic diagram after the power supply driver with lamp holder that is used for LED engages.

Figure 10 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention two.

Figure 11 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention three.

Figure 12 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention four.

The specific embodiment

As shown in Figure 2, the invention provides a kind of LED lamp and comprise power supply driver 100 and LED lamp main part 200 with lamp holder for the LED lamp.

Please be simultaneously with reference to Fig. 3, Fig. 3 is the decomposition texture schematic diagram with the power supply driver of lamp holder that is used for the LED lamp of the embodiment of the invention one.The power supply driver 100 with lamp holder that this kind is used for the LED lamp comprises lamp holder 110, this lamp holder 110 is provided with screw thread etc. and is used for linking to each other with the lamp socket (not shown), limited block 111 can also be set on this lamp holder 110 be used for preventing that lamp holder from excessively inserting LED lamp main part 200.Power drives PCB assembly 130 links to each other with this lamp holder 110 (in optional embodiment; lamp holder is removable lamp holder; it detachably is connected with power drives PCB assembly); be provided with protection housing 120 in the outside of this power drives PCB assembly 130, the heat that produces when making led light source and 130 work of power drives PCB assembly no longer causes the stack of temperature.The upper end of this protection housing 120 can link to each other with lamp holder 110 by physical connection modes such as screw threads; be provided with buckle element 121 at this protection housing 120; this buckle element 121 can for one also can be two or more, this buckle element 121 is used for carrying out snap engagement with LED lamp main part 200.Although do not show among the figure that this buckle element also can be arranged on the lamp holder 110, the limited block 111 that is arranged on equally on the lamp holder also can be arranged on this protection housing 120.Power output interface spare 140 is arranged on the terminal of this power drives PCB assembly 130 and links to each other with this power drives PCB assembly 130, and this power output interface spare 140 the physical connection mode such as can be threaded connection and link to each other with the lower end of this protection housing 120.

The concrete structure of this power output interface spare 140 please refer to Fig. 4, being provided with first at this power output interface spare 140 electrically contacts body and function and comes to be electrically connected with 200 realizations of LED lamp main part, this first electrically contacts body and is included in radially two electric contacts 141 and 143 of arranging of diverse location interval of this power output interface spare 140, these two electric contacts 141 and 143 are conductive ring, can also be conducting post or conduction fan body.Middle part at this power output interface spare 140 also is provided with elastic cylinder 142, and this elastic cylinder 142 is used for carrying out Elastic Contact with LED lamp main part 200 makes buckle element 121 be locked at corresponding draw-in groove on the LED lamp main part 200.Certainly, middle elastic cylinder 142 also can be used as one of them electric contact on the power output interface spare 140.

Referring again to Fig. 5, Fig. 5 is the decomposition texture schematic diagram of the LED lamp main part of the embodiment of the invention one.LED lamp main part 200 comprises attachment 210, power input interface spare 220, radiator 230, LED lamp plate 240, lens 250.Please be simultaneously with reference to Fig. 6, wherein the middle part of this radiator 230 have cavity 233 can accommodating this power drives PCB assembly 130 and this power output interface spare 140.This radiator 230 also comprises a plurality of fin 231 that circumferentially arrange around middle cavity 233, and the space 232 between each fin is opened wide to this cavity 233, makes the inside and outside airflow connection of this radiator, and radiating effect is better.

LED lamp plate 240 is arranged on the bottom of this radiator 230, lens 250 be arranged on this LED lamp plate 240 below, and the mode such as be threaded connection links to each other with the bottom of this radiator 230.Be arranged on equally the in addition power input interface spare 220 of the bottom of this radiator 230, its concrete structure as shown in Figure 7, two electric contacts 221 that this power input interface spare 220 comprises thereon that diverse location interval radially arranges and 223, these two

electric contacts

221 and 223 are conducting post, can also be conductive ring or conduction fan body.When these two

electric contacts

221 and 223 be positioned at this power output interface spare 140 on two electric contacts 141,143 when contacting, electricity will conducting.This kind adopts electric contact connected mode connection circuit, so just do not need to connect electric wire and connects power drives PCB assembly and lamp plate, easier replacing and dismounting.

What this power supply driver 100 with lamp holder that is used for the LED lamp was engaged with this LED lamp main part 200 is exactly the snap device of this LED lamp main part 200.In the present embodiment, this snap device is arranged in the independent attachment 210 that link to each other with modes such as this radiator 230 are threaded connection.Please refer to Fig. 8, these attachment 210 comprise snap device 211 and spacing shelves groove 212.This spacing retaining groove 212 be positioned at this lamp holder 110 maybe the limited block 111 of these protection housing 120 outer surfaces cooperatively interact, prevent that lamp holder from excessively inserting LED lamp main part 200.This snap device 211 is a U-shaped groove in the present embodiment; this snap device realizes that the method for snap engagement sees also Fig. 9 A and Fig. 9 B; this LED lamp main part 200 other not demonstration except attachment 210 in Fig. 9 A and Fig. 9 B; when carrying out both snap engagement with attachment 210; at first; please refer to Fig. 9 A; be positioned at this lamp holder 110 maybe the buckle element 121 of these protection housing 120 outer surfaces can have an end of opening to enter into this U-shaped groove and move until this buckle element 121 arrives the other end that does not have opening of these U-shaped grooves along the bottom of this U-shaped groove from U-shaped groove, elastic cylinder 142 can be compressed.Shown in Fig. 9 B, this buckle element 121 is positioned at this U-shaped groove does not at this moment have the other end of opening and the elastic force of the elastic cylinder 142 on this power output interface spare 140 that buckle element 121 is locked on the attachment 210 of LED lamp main part 200.Simultaneously first on this power output interface spare 140 electrically contacts second on body and this power input interface spare 220 and electrically contacts body and contact because this elastic cylinder 142 is compressed, realizes electrical connection.

Figure 10 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention two.Attachment 310 internal layers among this embodiment arrange the snap device 311 of U-shaped groove, at these attachment 310 outer field outer surfaces screw thread can be set and be used for connecting this radiator 230, but be not limited to thread connecting mode.In the present embodiment, spacing retaining groove is not set on the attachment 310, other element is identical with the above embodiments 1, does not repeat them here.

Figure 11 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention three.In this embodiment, spacing retaining groove is not set, snap device 431 then directly is arranged at radiator 430 inside, need not like this attachment just can realize this be used for the LED lamp with the power supply driver 100 of lamp holder and engaging of this LED lamp main part 200.Should be used for the identical with above-mentioned two embodiment with the power supply driver 100 of lamp holder and LED lamp plate 240, lens 250 of LED lamp, not repeat them here.

Figure 12 is the decomposition texture schematic diagram of the LED lamp of the embodiment of the invention four.In this embodiment, the lamp holder 510 with the power supply driver 500 of lamp holder that is used for the LED lamp no longer is the screw type lamp holder, but the lamp holder of other form, such as E27, GU10, MR16 etc.Other elements are identical with element in the embodiment of the invention one, do not repeat them here.Although do not show among the figure that it is the screw type lamp holder that the lamp holder 110 of other above-mentioned embodiment also is not limited to.

More than with reference to the accompanying drawings of the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.Below only for the better feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalence that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.

Claims

1. power supply driver with lamp holder that is used for the LED lamp is characterized in that comprising:

Lamp holder is used for being connected with lamp socket;

Power drives PCB assembly, it is connected with described lamp holder, and is provided with the protection housing in its outside;

Power output interface spare, the end that is positioned at described power drives PCB assembly links to each other with described power drives PCB assembly;

Wherein, be provided with buckle element at described lamp holder or described containment vessel external surface, be used for carrying out snap engagement with LED lamp main part; Described power output interface spare is provided with first and electrically contacts body, be used for LED lamp main part on corresponding second electrically contact body and contact, realize electrical connection.

2. the power supply driver with lamp holder for the LED lamp according to claim 1, it is characterized in that, also be provided with an elastic cylinder on the described power output interface spare, be used for carrying out Elastic Contact with LED lamp main part, described buckle element is locked on the described LED lamp main part in the corresponding draw-in groove.

3. the power supply driver with lamp holder for the LED lamp according to claim 1 is characterized in that, described lamp holder is removable lamp holder, and it detachably is connected with described power drives PCB assembly.

4. a LED lamp is characterized in that, comprises arbitrary described power supply driver with lamp holder for the LED lamp in the claims, and comprises LED lamp main part, and described LED lamp main part comprises:

Radiator, its middle part has cavity, is used for accommodating described power supply driver;

The LED lamp plate, it is arranged at the bottom of described radiator;

Lens, it is arranged on below the described LED lamp plate, and links to each other with described radiator bottom;

Snap device, it is inner that it is arranged at described radiator, or be arranged in the independent attachment that link to each other with described radiator, for carrying out snap engagement with described buckle element;

Power input interface spare, it is arranged at the bottom of described radiator, is electrically connected with described LED lamp plate, and has described second and electrically contact body, is used for electrically contacting body and contact with described first, realizes electrical connection.

5. LED lamp according to claim 4 is characterized in that, described radiator comprises a plurality of fin that circumferentially arrange around middle cavity, and the space between each fin is opened wide to described cavity, makes the inside and outside airflow connection of described radiator.

6. LED lamp according to claim 4 is characterized in that, described power input interface spare be set to described power output interface spare on the elastic cylinder that arranges cooperatively interact, described buckle element is locked in the described snap device.

7. LED lamp according to claim 4 is characterized in that, described snap device adopts U-shaped groove, and described buckle element is projection, is stuck in the described U-shaped groove by described projection and realizes snap engagement.

8. LED lamp according to claim 4, it is characterized in that, described first electrically contacts body is included in radially two electric contacts arranging of interval, diverse location place of described power output interface spare, or with the elastic cylinder that arranges on the described power output interface spare as one of them electric contact; Described second electrically contacts body is included in radially two electric contacts of interval, diverse location place setting of described power input interface spare.

9. LED lamp according to claim 8 is characterized in that, described electric contact is conducting post, conduction fan body or conductive ring.

10. LED lamp according to claim 4; it is characterized in that; also be provided with limited block at described lamp holder or described containment vessel external surface; be provided with spacing retaining groove in described LED lamp main part; described limited block and spacing retaining groove cooperatively interact, and prevent that described lamp holder from excessively inserting described LED lamp main part.