Power interface and use the LED lamp of this power interface
Technical field
The present invention relates to a kind of power interface and use the electrical equipment of this power interface, particularly a kind of LED lamp power interface and use the LED lamp of this power interface.
Background technology
Each electrical equipment all need realize and being connected of civil power that electric light is no exception through power interface.Usually, electric light can be installed in the light fixture, and the kind of its power interface mainly contains screw socket type, pin type, or direct extracting power supply cord from lamp body.For example: open day is on 03 16th, 2005; Number of patent application is that 200310111977.2 Chinese invention patent application has promptly disclosed a kind of LED lamp; It comprises lampshade, fin, led light source plate and power lead, and wherein power lead is directly drawn from this LED lamp.
Yet the power lead of this LED lamp is directly drawn from this LED lamp, and live wire and the zero line corresponding with civil power through this power lead are electrically connected, thereby for this LED lamp power supply are provided.Such power interface structure certainly will cause having one section power lead to expose in air, thus the potential safety hazard of burying.
Summary of the invention
In view of this, be necessary the LED lamp that a kind of power interface of safety and stability is provided and adopts this power interface.
A kind of power interface comprises connecting ring, casing for electric appliances and wiring board; This wiring board is housed in this casing for electric appliances, and the sidewall of this casing for electric appliances is provided with guide pad and opening, and this wiring board is provided with at least two conducting strips; One end of said conducting strip is connected on this wiring board, and the other end stretches in the opening of this sidewall, and this connecting ring is to being provided with chute by guide pad; This connecting ring is provided with at least two conductive contacts; Said conductive contact is respectively to said conducting strip setting, and in the time of in this guide pad is assembled into this chute, these two conductive contacts are electrically connected with these two conducting strips respectively.
A kind of LED lamp comprises led light source, also comprises power interface; This power interface comprises connecting ring, and casing for electric appliances and wiring board, this wiring board are housed in this casing for electric appliances; The sidewall of this casing for electric appliances is provided with guide pad and opening, and this wiring board is provided with at least two conducting strips, and an end of said conducting strip is connected on this wiring board; The other end stretches in the opening of this sidewall, and this connecting ring is to being provided with chute by guide pad, and this connecting ring is provided with at least two conductive contacts; Said conductive contact is respectively to said conducting strip setting; In the time of in this guide pad is assembled into this chute, these two conductive contacts are electrically connected with these two conducting strips respectively, and this led light source is arranged on the end face of this casing for electric appliances.
Compared with prior art, the conducting strip of this power interface is fixed on the sidewall of this casing for electric appliances, and an end of this conducting strip wiring board inner with being arranged at this casing for electric appliances is electrically connected.This power interface also is provided with a connecting ring.Corresponding these conducting strips are provided with conductive contact on this connecting ring.In addition, this casing for electric appliances sidewall is provided with guide pad, and this connecting ring inwall is to being provided with chute by guide pad.Through this guide pad being screwed in the end of this chute, make conducting strip and the conductive contact butt on this connecting ring on this casing for electric appliances, thereby realize being electrically connected of this wiring board and this connecting ring.Hence one can see that, and this power interface does not exist power line to expose aerial situation, thus the fail safe that can guarantee this power interface and use the LED lamp of this power interface.Because the mode of these conducting strips and corresponding conductive contact employing elasticity butt, thus electrical connection fastening of having guaranteed this power interface and having used the LED lamp of this power interface, thus improve the stability of this status of electrically connecting.
Description of drawings
Fig. 1 is the three-dimensional exploded view of LED lamp first embodiment of the present invention.
Fig. 2 is LED lamp middle sleeve shown in Figure 1, loam cake, the wiring board three-dimensional exploded view along another angle.
Fig. 3 is the three-dimensional assembly diagram of sleeve shown in Figure 2, loam cake, wiring board.
Fig. 4 is the working state schematic representation of conducting strip and conductive contact in the LED lamp shown in Figure 1.
Fig. 5 is the partial enlarged drawing of A portion among Fig. 4.
Fig. 6 is the vertical view of the conductive contact in the connecting ring shown in Figure 5
Fig. 7 is the upward view of connecting ring in the LED lamp shown in Figure 1.
Fig. 8 is the profile along A-A line among Fig. 6.
Fig. 9 is another three-dimensional exploded view of LED lamp shown in Figure 1.
The explanation of Reference numeral:
100LED lamp 162 conductive contacts
10 power interfaces, 1622 stiff ends
12 casing for electric appliances, 1624 contact arms
122 guide pads, 164 contact holddown grooves
13 sleeves, 166 chutes
132 convex extension parts, 1662 openings
134 fixed legs, 1664 sections of screwing
14 loam cakes, 17 solid lock units
142 spacers, 172 stop parts
15 wiring boards, 1721 galianconism
151 plate bodys 1723 are long-armed
152 conducting strips, 174 shell fragments
1522 conductive arms, 175 solid locked grooves
1524 contact jaw 20LED light sources
154 fixing holes, 30 lampshades
16 connecting rings
Embodiment
Fig. 1 is the three-dimensional exploded view of LED lamp 100 first embodiment of the present invention.This LED lamp 100 comprises a power interface 10.This power interface 10 comprises a casing for electric appliances 12, a sleeve 13, a loam cake 14, a wiring board 15, a connecting ring 16 and a solid lock unit 17.This wiring board 15 is housed in the cavity that this sleeve 13 and this loam cake 14 be connected to form.This sleeve 13 is housed in this casing for electric appliances 12 with the assembly of this loam cake 14.This casing for electric appliances 12 links together with this connecting ring 16, and this solid lock unit 17 locks together this casing for electric appliances 12 with this connecting ring 16 admittedly, prevents to take place between the two the footpath and upwards relatively rotates.
Please refer to Fig. 2, this wiring board 15 comprises a plate body 151 and two conducting strips 152.Symmetrical mutually on these two conducting strip 152 structures, each conducting strip 152 is by sheet metal one bending forming.One end of each conducting strip 152 is the conductive arm 1522 that is provided with the contact, and the other end is for being the contact jaw 1524 of " U " font structure.This contact jaw 1524 is U type bending structure.The conductive arm 1522 of these conducting strips 152 is electrically connected with the plate body 151 of this wiring board 15.This plate body 151 is provided with a fixing hole 154, and this fixing hole 154 is between this two conducting strip 152.
Please refer to Fig. 1 and Fig. 2, this sleeve 13 is the cylindric shell structure of an end opening.This sleeve 13 is provided with a convex extension part 132 and two fixed legs 134.The square shell structure that this convex extension part 132 outwards protrudes out for the sidewall from this sleeve 13.This convex extension part 132 is used to accommodate this two conducting strip 152.This two fixed leg 134 is arranged on the front side wall (as shown in Figure 2) of this convex extension part 132 respectively to contact jaw 1524 that should two conducting strips 152.During assembling, the contact jaw 1524 of this two conducting strip 152 is socketed in respectively on this two fixed leg 134 (as shown in Figure 3).This two fixed leg 134 is used to support this two conducting strip 152, stops this two conducting strip 152 when being under pressure, to be out of shape.
Please refer to Fig. 2,14 pairs of this loam cakes fixing hole 154 on should wiring board 15 upwards protrudes out and is provided with a spacer 142.These loam cake 14 lids are located at the bottom of dress by this wiring board 15; The fixing hole 154 that makes this spacer 142 pass this wiring board 15 is plugged between these conducting strips 152; Thereby make these conducting strips 152 isolated, and can not puncture air, cause short circuit by this spacer 142.
This casing for electric appliances 12 is cylinder-like structure.These casing for electric appliances 12 sidewalls are provided with an opening (figure does not show).This opening is provided with convex extension part 132 that should sleeve 13.During assembling, this convex extension part 132 extends in the opening of these casing for electric appliances 12 sidewalls, thereby extends the external world.The sidewall of this casing for electric appliances 12 outwards protrudes out and is provided with three guide pads 122.These guide pads 122 are wedge structure.The central shaft that these guide pads 122 center on this casing for electric appliances 12 is equal angles and is provided with at interval.
Please refer to Fig. 1 and Fig. 6, this connecting ring 16 is a circular ring structure, and it comprises two conductive contacts 162.Symmetrical mutually on these two conductive contact 162 structures.Each conductive contact 162 is made of one piece by sheet metal.Each conductive contact 162 is provided with a stiff end 1622 and a contact arm 1624.This stiff end 1622 is the box-shaped structure, and external power cord (figure does not show) is electrically connected with this stiff end 1622.This contact arm 1624 is an elastic piece structure, and the one of which end is connected with these stiff end 1622 one, the other end unsettled (as shown in Figure 9).
Please refer to Fig. 1, Fig. 4 and Fig. 5, this connecting ring 16 is provided with two contact holddown grooves 164, three chutes 166.164 pairs of these two contact holddown grooves should casing for electric appliances 12 convex extension part 132 be arranged on the madial wall of this connecting ring 16.The stiff end 1622 of these conductive contacts 162 is rabbeted respectively in this two contacts holddown groove 164, and the contact arm 1624 of these conductive contacts 162 extends laterally outside this contact holddown groove 164.
166 pairs of these chutes should casing for electric appliances 12 guide pad 122 be arranged on the madial wall of this connecting ring 16.Each chute 166 comprises an opening 1662 and a section of screwing 1664 respectively.This opening 1662 is communicated with the end face of this connecting ring 16, makes this guide pad can get into this opening 1662 from the top.This section of screwing 1664 is trapezoid groove structure.During assembling, the guide pad 122 of this casing for electric appliances 12 is through the section of screwing 1664 of this this chute 166 of opening 1662 precessions, thereby makes this casing for electric appliances 12 be fixed in this connecting ring 16.
Please refer to Fig. 7 and Fig. 8, this solid lock unit 17 is arranged in the chute 166 of this connecting ring 16, is used for the guide pad 122 on this casing for electric appliances 12 of backstop, makes these guide pads 122 be locked in the end of these chutes 166 admittedly.
Please refer to Fig. 8, this solid lock unit 17 comprises a stop part 172, a shell fragment 174 and a solid locked groove 175.This stop part 172 is " L " font structure, and this stop part 172 comprises a galianconism 1721 and one long-armed 1723.Should should be arranged on this connecting ring 16 by stop member 172 by solid 175 pairs of locked grooves.Should be L type bending structure by solid locked groove 175, an end of this solid locked groove 175 is communicated with the section of screwing 1664 of a chute 166, and the other end runs through this connecting ring 16.During assembling, the galianconism 1721 of this stop member 172 stretches in this section of screwing 1664 through this solid locked groove 175.Long-armed 1723 of this stop member 172 stretches out this connecting ring 16 through this solid locked groove 175.This shell fragment 174 is processed by sheet metal, and an end of this shell fragment 174 is fixed on this connecting ring 16, and flexible this stop part 172 of pushing of the other end of this shell fragment 174 causes these stop part 172 padlocks in this solid locked groove 175.
During work, power line is electrically connected (figure does not show) with the stiff end 1622 of the conductive contact 162 of this connecting ring 16.The guide pad 122 of this casing for electric appliances 12 is rotated to the end of this chute 166 through the chute 166 on this connecting ring 16; Thereby make flexibly butt of each conducting strip 152 on this wiring board 15 conductive contact 162 corresponding, thereby realize being electrically connected of this LED lamp body and this connecting ring 16 with it.In addition, relative displacement can not take place in order to make behind each conducting strip 152 and corresponding conductive contact 162 butts, the spy is provided with a solid lock unit 17.Admittedly the shell fragment 174 of lock unit 17 presses this stop part 172; When causing these guide pads 122 to rotate to the end of these chutes 166; One end of this stop part 172 is plugged in the solid locked groove 175 on this guide pad 122, thereby makes these guide pads 122 be locked in the end of these chutes 166 admittedly.During dismounting; These stop part 172 1 ends that only need to protrude out these connecting ring 16 end faces press, and make this shell fragment 174 that strain take place, and drive these stop part 172 other ends and from this solid locked groove 175, get loose; Meanwhile; The guide pad 122 of this casing for electric appliances 12 is screwed out from the chute 166 of this connecting ring 16, can realize cutting off the power supply of this electrical equipment, and this LED lamp body is disassembled from this connecting ring 16.
Please refer to Fig. 9; Use this LED lamp 100 of this power interface 10 also to comprise one a group of led light source 20 and a lampshade 30; This casing for electric appliances 12 is cylinder type; This led light source 20 is arranged on the end face of this casing for electric appliances 12, and this lampshade 30 is located on this group led light source 20, and is fixedly connected with this casing for electric appliances 12.
In sum, this power interface 10 makes an end of this conducting strip 152 be electrically connected with the wiring boards 15 that are arranged at these casing for electric appliances 12 inside through conducting strip 152 is fixed on the sidewall of this casing for electric appliances 12.This power interface 10 also is provided with a connecting ring 16.Corresponding these conducting strips 152 are provided with conductive contact 162 on this connecting ring 16.In addition, these casing for electric appliances 12 sidewalls are provided with guide pad 122, and 16 pairs of this connecting rings should be provided with chute 166 by guide pad 122.Through this guide pad 122 being screwed in the end of these chutes 166, make conductive contact 162 elasticity butts on conducting strip 152 and this connecting ring 16 on this casing for electric appliances 12, thereby realize being electrically connected of this wiring board 15 and this connecting ring 16.Hence one can see that, and this power interface 10 does not exist power line to expose aerial situation, thereby can guarantee this power interface 10 and the fail safe of using the LED lamp 100 of this power interface 10.Because the mode of these conducting strips 152 and corresponding conductive contact 162 employing elasticity butts, thus electrical connection fastening of having guaranteed this power interface 10 and having used the LED lamp 100 of this power interface 10, thus improve the stability of this status of electrically connecting.In addition; Stable type in order to ensure the status of electrically connecting of this LED lamp and this connecting ring 16; Also be provided with a solid lock unit 17; Should solid lock unit 17 make and be fixed on stop part 172 padlocks on this connecting ring 16 175 li of the solid locked grooves of this casing for electric appliances 12 through pawl structures; Thereby make this casing for electric appliances 12 can not relatively rotate,, thereby make this status of electrically connecting keep stable so that the conducting strip 152 that is fixed on this casing for electric appliances 12 also can relative displacements not take place with corresponding conductive contact 162 with this connecting ring 16 takes place that the footpath makes progress.
In addition; Near should solid lock unit can also being employed in the section of the screwing end of this chute a block is set axially; Make this guide pad with screw in this chute, and after crossing this block, admittedly be locked in the end of this chute; Thereby guarantee can not produce between this casing for electric appliances and this connecting ring relatively rotating that the footpath makes progress, thereby the stability that makes conducting strip and corresponding conductive contact electrical connection on this casing for electric appliances.
In addition; In the present embodiment in order to make these conducting strips realize butt closely with corresponding conductive contact; The spy is arranged to the contact arm of these conductive contacts and the monolateral structure that is connected of this stiff end, thereby makes this contact arm rely on self properties of materials realization Elastic Contact.Yet, can also this contact arm be arranged on these conducting strips, and the noncontact arm only need be set on these conductive contacts, so also can realize effect of the present invention.
In addition, those skilled in the art can also be drawn the replacement scheme of more utilization existing techniques in realizing by the embodiment of the invention.Therefore, should this invention protection range be confined to the content described in the present embodiment.