CN102734651A

CN102734651A - Lamp with replaceable lamp cover

Info

Publication number: CN102734651A
Application number: CN2011100934760A
Authority: CN
Inventors: 叶海加; 王鋆
Original assignee: Koninklijke Philips Electronics NV
Current assignee: Koninklijke Philips NV
Priority date: 2011-04-14
Filing date: 2011-04-14
Publication date: 2012-10-17

Abstract

The invention discloses a replaceable lamp, which comprises a lamp main body and a lamp cover matched and connected with the lamp main body, wherein the lamp main body and the lamp cover are matched and connected through a detachable connection structure. According to the lamp, the proper lamp cover can be selected by the user according to own favor and requirements for ray, so that a using mode of one lamp and one lamp cover in the field of illumination is subverted in a revolutionary manner. Furthermore, according to the embodiments provided by the invention, a radiator with a certain structure and a certain area is arranged on the detachable connection structure, and an air circulating channel is formed, so that the service life of the lamp is effectively prolonged.

Description

The light fixture of replaceable lampshade

Technical field

The present invention relates to lighting field, particularly can change the outstanding light fixture of lampshade and radiating effect arbitrarily.

Background technology

At lighting field of today; No matter be traditional incandescent lamp; Fluorescent lamps etc. or LED lamp, its function have been not only and have been realized traditional illumination functions, but have born the effect of beautify life and convenient life more and more; Such as the advertisement lamp decoration, for another example by made lampshade of some expensive material such as crystal etc.Clear lamp in the LED field is exactly wherein one type.Yet existing clear lamp on the market, its Transparent lamp shade all are fixed on the lamp socket, and be on-dismountable.But the attractive in appearance and light intensity of increasing consumer's illumination is had higher requirement; Such as just regulate light power, purposes such as angle or color through selecting a lampshade special formed or scientific design to reach bulb being bought again.In addition, how when satisfying consumer's requirements at the higher level, to solve heat dissipation problem, thereby prolong bulb service life, and then, also need be resolved simultaneously for the consumer reduces cost.

Summary of the invention

One of technical issues that need to address of the present invention are to provide a kind of lamp that can be connected with the difformity lampshade; Comprise luminous component and base; Between luminous component and base, be provided with and change syndeton, thereby lamp can be realized changeing being connected with the difform lampshade that has corresponding syndeton.

As one embodiment of the present of invention, the described syndeton that changes is a screw thread, thereby on lamp and lampshade, is provided with screw thread.

As another embodiment of the present invention, the described structure that changes is trident on lamp, and is to be connected the groove that cooperates with trident on lampshade, and trident can be by also locking in the precession groove.

Another technical problem that the present invention need solve is to provide a kind of lamp with the above-mentioned purpose indication to match to be connected the lampshade that uses; Comprise the lampshade main body; The lampshade main body is provided with syndeton at the join domain that matches with above-mentioned lamp; Make lampshade can be fixed on the lamp, also can spin off from lamp.

As one embodiment of the invention, when the changed syndeton on the lamp was screw thread, the respective regions on the lampshade also was a screw thread.

As another embodiment of the present invention, when the changed syndeton on the lamp was trident, the respective regions on the lampshade was the groove structure, and trident can be put into groove and screwed.

Another technical problem that needs to solve of the present invention provides a kind of light fixture with detachable lampshade, comprises lamp main body and the lampshade that is connected with the lamp main body, and wherein, the lamp main body can be connected through changeing syndeton with lampshade with changeing.

As one embodiment of the present of invention, the described syndeton that changes is a screw thread, thereby on lamp main body and lampshade, is provided with screw thread.

As another embodiment of the present invention, the described structure that changes is trident on the lamp main body, and is to be connected the groove that cooperates with trident on lampshade, and trident can be by also locking in the precession groove.

The invention has the beneficial effects as follows: can change syndeton owing on lamp, be provided with dexterously; On lampshade, also be provided with corresponding syndeton; The user can select suitable lampshade according to the hobby of oneself and to the requirement of light, thereby has overturned the use pattern of lighting field one lamp one cover revolutionaryly.More useful thing because some embodiments of the present invention are provided with the heat abstractor with a fixed structure and area can changeing on the syndeton, have formed the circulation of air channel, thereby has prolonged the service life of light fixture effectively.

Description of drawings

Fig. 1 is for changeing the structural representation of an embodiment of light fixture, the promptly threaded light fixture that changes syndeton among the present invention;

Fig. 2 is the structural representation of the lamp main part of Fig. 1;

Fig. 3 is the structural representation of the lampshade of Fig. 1;

Fig. 4 promptly can change the light fixture of syndeton for changeing the structural representation of another embodiment of light fixture among the present invention with trident;

Fig. 5 is the structural representation of the lamp main part of Fig. 4;

Fig. 6 is the structural representation of the lampshade of Fig. 4;

Fig. 7 is the partial enlarged drawing of the terminal depression of trident;

The A of the lampshade that Fig. 8 and trident are connected is to partial enlarged drawing.

Among the figure, 10 expression illumination section, 20 expression lamp sockets; 30 expressions can change syndeton, 40 expression lampshades, the screw thread on 32 indication lamps; This can change the breach on the syndeton when syndeton was screw thread when changeing in 34 expressions, and 36 expressions can change the trident on the syndeton, the terminal depression of 38 expression tridents; Screw thread on the 42 expression lampshades, the groove structure on the 44 expression lampshades, the projection snap close of 46 expression grooves, one end.

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.

Although the present invention can be used for the lamp of any type, like incandescent lamp, fluorescent lamp, halogen lamps etc. are in view of LED has Transparent lamp shade, in order to stress that following examples are all with the LED lamp as an example owing to the more aesthetic feeling that Transparent lamp shade produced.

The changed light fixture of one embodiment of the invention as shown in Figure 1 comprises LED lamp main body and lampshade 40.LED lamp main body comprises luminous component 10 and lamp socket 20.Between luminous component 10 and lamp socket 20, be provided with and can change syndeton 30, changed syndeton in the present embodiment is a screw thread, sees Fig. 2.Changed syndeton among Fig. 2 is provided with at least 3 circle screw threads at its periphery, and screw thread provides big more moment of torsion more at most, and is more convenient and firm when being convenient to installation and removal.Following table is the relation of number of threads and moment of torsion, and the screw thread place material of present embodiment can be PC or PMMA:

Figure 2011100934760100002DEST_PATH_IMAGE001

Raise the lid of the spherical shape of lamp luminous component 10, can see that then real luminous LED and circuit board is in screw thread 32 inner rings, sees Fig. 2.Known that by Fig. 2 screw thread 32 is not to put in order the circle continuous whole, but is provided with at least 1 breach 34, single breach area is not less than 10mm ², this is the required minimum of a value of calorifics heat radiation.Be provided with 2 breach 34 in the present embodiment, through experiment, the breach gross area of preferable radiating effect is 82mm ², like this, indentation, there just can form air-flow, thereby the heat of led circuit plate and internal drive generation is conducted.Following table is the relation of breach quantity and exothermic temperature:

Temperature	Non-notch	Two breach
			The LED temperature	110 °C	106 °C
Actuation temperature	98 °C	94 °C

Fig. 3 is connected the lampshade that uses for matching with Fig. 2, comprises lampshade main body itself and the screw thread 42 that is provided with on it.

The changed light fixture of another embodiment of the present invention shown in Figure 4 comprises LED lamp main body and lampshade 40, and LED lamp main body comprises luminous component 10 and lamp socket 20.Between luminous component 10 and lamp socket 20, be provided with and can change syndeton 30, the changed syndeton of in the present embodiment LED lamp part is a trident 36, sees Fig. 5, and the lampshade part see Fig. 6.Like Fig. 5, shown in Figure 6, be provided with L type groove structure 44 at the lampshade inner ring; During assembling, at first three L grooves on the lampshade 44 are aimed at corresponding three halberds 36 on the lamp, then trident is advanced the vertical part of L type groove; Again along L type groove horizontal component knob trident, till its locking.Because L groove horizontal component is arranged to by the size that diminishes gradually greatly, trident can be by locking at leisure in the precession process.Dismounting then is opposite process.Moment of torsion when strengthening installation and removal; Can a latch protrusion 46 be set at L groove end, correspondingly, a depression 38 be set at the halberd end of trident; Like this; When trident 36 was screwed into L groove 44 ends soon, the terminal depression 38 of halberd was just in time locked with the terminal latch protrusion 46 of groove mutually, thereby plays the effect that is locked.Be the trident structure to be used in the present invention not only to have realized changing the intention of difformity lampshade, and solved heat dissipation problem, thereby increased flow area substantially, thereby strengthened bulb life widely the most cleverly.In fact, also can be designed as other structures similar in appearance to trident, like four halberds or more halberds, but the structure of trident is simple relatively, and cost is also low, and equipment is convenient especially.Below be the radiating effect contrast number after not using the trident structure and having used the trident structure:

Temperature	Enclosed construction	The trident structure
			LED	110 °C	105 °C
Drive	98 °C	92 °C

Persons skilled in the art will be appreciated that: technical scheme involved in the present invention never only is defined as above-described preferred embodiment, any scope that all belongs to accompanying claims based on the modification and the change of technical characterictic that above embodiment discloses.

Claims

1. the lamp that can cooperate with the difformity lampshade comprises

Luminous component; With

Base,

It is characterized in that, between luminous component and base, be provided with and change syndeton, be used for being connected with the difform lampshade that has the corresponding structure that removably connects.

2. lamp as claimed in claim 1 is characterized in that: the said syndeton that changes is a helicitic texture, and on said helicitic texture, has two breach at least, is used for heat radiation; The breach gross area is not less than 20mm2.

3. lamp as claimed in claim 2 is characterized in that: the screw thread of said helicitic texture is minimum to be 3.

4. lamp as claimed in claim 1 is characterized in that: the said syndeton that changes is the trident structure.

5. lamp as claimed in claim 4 is characterized in that: the depression that is provided with locking function at the end of three halberds of trident structure.

6. a lampshade that is connected and uses with lamp as claimed in claim 1 comprises the lampshade main body, it is characterized in that: be provided with and can change syndeton in the match zone that is connected of lampshade and said lamp.

7. lampshade as claimed in claim 6, it is characterized in that: the changed syndeton on the said lampshade is a screw thread, makes that said lamp can be through screw thread by in the precession lampshade, said screw thread is at least 3.

One kind with the matching used lampshade of lamp as claimed in claim 6, comprise the lampshade main body, it is characterized in that: the changed syndeton on the said lampshade is the groove structure, makes that said lamp can be by in this groove structure of precession and be locked.

9. one kind can change light fixture, comprises

The lamp main body; With

The lampshade that is connected with this lamp main body,

Wherein, said lamp main body matches through the structure that removably connects with lampshade and is connected.

10. light fixture as claimed in claim 9 is characterized in that: the said structure that removably connects is a helicitic texture, on lamp main body and lampshade, is provided with respective threaded.

11. light fixture as claimed in claim 10 is characterized in that: the helicitic texture on the lamp main body is non-complete screw thread, but is provided with at least two breach, be used for heat radiation, and the breach area is not less than 30mm.

12. light fixture as claimed in claim 9 is characterized in that: the said structure that removably connects is the trident structure on the lamp main body, and is the groove structure that is connected with this trident respective outer side edges on lampshade; Trident can be by in the precession groove structure and be locked.