CN102128372A

CN102128372A - LED (light-emitting diode) daylight lamp

Info

Publication number: CN102128372A
Application number: CN2011100328915A
Authority: CN
Inventors: 季丰; 郑兆勇; 林万炯
Original assignee: 林万炯
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2011-01-24
Filing date: 2011-01-24
Publication date: 2011-07-20
Anticipated expiration: 2031-01-24
Also published as: WO2012100392A1; CN102128372B

Abstract

The invention relates to an LED (light-emitting diode) which comprises a lamp body, a lamp head and a lamp connecting socket. The daylight lamp is characterized in that the lamp head comprises an end cover and a fixed seat; the end cover is provided with a thread hole; the end surface of the end cover is provided with a limiting column; the outer peripheral surface of the end cover is provided with a tooth groove; the fixed seat is provided with a hole cavity; the end cover is contained in the hole cavity and rotates relatively; a limiting groove is molded on one end surface of the hole cavity of the fixed seat; the limiting column penetrates through the limiting groove and is limited at two ends of the limiting groove; an elastic plate is molded at the inner side surface of the hole cavity; one end of the elastic plate and the inner side surface of the hole cavity are connected into a whole; and the free end of the elastic plate is provided with a raised line which can be matched with the tooth groove. According to the invention, the lamp body can be fixed at the position after rotating for any angle relatively to the fixed seat, and the reliable positioning at the direction of illumination of the lamp body is ensured; and because of the rotation limiting effect of the limiting groove, the lamp body only can rotate within the range of 180 degrees, the lamp body is avoided from rotating within the range of 360 degrees randomly, thus preventing an electrode lead wire from being knotted or broken due to the lamp body rotates for an oversize angle.

Description

A kind of LED fluorescent lamp

Technical field

The present invention relates to a kind of light fixture, particularly a kind of LED fluorescent lamp.

Background technology

Traditional fluorescent lamp is to adopt fluorescent lighting, fluorescent lamp tube can both be luminous along fluorescent tube outer peripheral face one circle, and fluorescent lamp tube is normally fixedlyed connected with lamp holder, when being installed to fluorescent lamp on the lamp bracket, the pin on the lamp holder need being inserted into and realizing in the jack in the lamp socket being electrically connected.Led light source has plurality of advantages such as energy-saving and environmental protection, long service life, people begin to replace fluorescent lamp with led light source, but the Lights section of LED fluorescent tube is plane more, it can only be towards a light-emitting directions, and be fixedly connected structure between traditional lamp holder and the lamp socket, can't adapt to adjusting requirement to the different light direction.

In the prior art, in order to solve the problem that LED fluorescent tube direction of illumination can't be regulated, just like the patent No. is that the utility model " the rotatable LED fluorescent tube of a kind of lamp holder " of ZL200920192636.5 discloses the rotatable LED fluorescent lamp of a kind of lamp holder, it comprises led light source and radiator, led light source is fixed on the radiator by substrate, the radiator two ends are respectively arranged with lamp holder, lamp holder is provided with pin, be provided with stator and rotor between lamp holder and the radiator, stator is fixed on the radiator, lamp holder is fixed on the rotor, and rotor is installed on the stator, is respectively arranged with rotating and limiting mechanism and elastic positioning machine structure between stator and the rotor.Though above-mentioned patent can realize the adjusting of the lighting angle of LED fluorescent tube, but, this patent adjustment structure is comparatively complicated, except rotating mechanism (comprising stator and rotor), limiting the elastic positioning structure of rotating mechanism rotation in addition, rotor rotates certain amplitude in stator after, is by the elastic positioning machine structure rotor to be fixed in the stator, need apply the outer power of dialling during operation and could guarantee the rotation of rotor with respect to stator, comparatively effort operates; And, the lamp holder of this patent LED fluorescent tube has still adopted conducting of pin configuration realization and lamp socket, after using certain hour, because wearing and tearing of the spring of elastic positioning structure or inefficacy, might make the reference column in the stator can't just in time fall into the locating slot of rotor, at this moment, even the LED fluorescent tube has rotated to suitable lighting angle, also can't guarantee the lamp holder of fluorescent tube and the reliable connection between the lamp socket.

Summary of the invention

Technical problem to be solved by this invention is to provide the simple and lamp holder of a kind of rotating operation of lamp holder to locate reliable LED fluorescent lamp at above-mentioned prior art present situation.

The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of LED fluorescent lamp, include lamp body, be arranged on the lamp holder at described lamp body two ends and be connected lamp socket on the described lamp holder, it is characterized in that: described lamp holder includes end cap and holder, described end cap is fixedly connected on the two ends of described lamp body, and described holder is fixedly set in the described lamp socket; Wherein, offer the through wires hole that can pass on the end face of described end cap for the contact conductor of described lamp body, also be provided with the limited post that protrudes out laterally along the direction that parallels to the axis on the end face of this end cap, then be provided with on the outer peripheral face of this end cap along paralleling to the axis direction teeth groove spaced apart; Described holder offers suitable and along the vestibule that axially runs through of this holder with described end cap size, described end cap is placed in this vestibule and can relatively rotates, described holder forms the arc stopper slot on a wherein end face of described vestibule, described limited post is arranged in this stopper slot and can be limited in the two ends of this stopper slot, also form a shell fragment that can match on the medial surface of described vestibule with the outer peripheral face of described end cap, one end of described shell fragment and the medial surface of described vestibule fuse, the other end of described shell fragment is a free end, and the free end of this shell fragment is provided with the raised line that can match with described teeth groove.

In order to guarantee that the LED fluorescent lamp can effectively obtain maximum angle of regulation range in the lighting space, as preferably, described stopper slot semicircular in shape, and this stopper slot takes shape in the first half of described vestibule end face.So, after the LED lamp body is installed on the lamp socket, rotate the LED lamp body and can in 180 degree (± 90 degree) scope, realize any adjusting of different light angles, and, because the rotary stopper effect of stopper slot, lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes contact conductor knotting or be torn.

Fixedlying connected of holder and lamp socket is convenient for assembly for convenience, as preferably, is respectively arranged with the dop to outer process on two lateral walls of establishing relatively of described holder, offers on the madial wall of described lamp socket and the suitable draw-in groove of described dop.

In order to reach lighting effect preferably, as further preferred, described lamp body structure can for: include fluorescent tube, pcb board, led chip and collector lens, wherein, described led chip is connected electrically on the described pcb board, described pcb board is arranged in the described fluorescent tube, and described collector lens is arranged at the anterior of described pcb board and links to each other with described fluorescent tube.

Collector lens is connected and installed for convenience, as preferably, the top of described fluorescent tube offers the slot that is provided with along its length, described pcb board is placed in this slot, and, described fluorescent tube offers groove respectively on two sidewalls of establishing relatively of described slot, the dual-side of described collector lens is embedded at respectively in the corresponding described groove.

In order to guarantee that lamp body and the reliable of end cap are connected, prevent from from end cap, to deviate from when lamp body from rotating, as preferably, described end cap has and the suitable opening of cross section size of described lamp body, also is provided with the friction tight convex tendon of lateral wall of a plurality of energy and described shell on the madial wall of this opening.After end cap was connected to the lamp body two ends, lamp body was that interference fit is connected with the end cap opening, and convex tendon can prevent effectively that lamp body two ends and end cap break away from.

Compared with prior art, the invention has the advantages that: the structure that adopts end cap and holder to cooperate realizes the rotation of lamp body with respect to lamp socket, and, end cap and holder can directly rotate cooperation, need not to be provided with in addition flexible restoring organ, structure is simpler, cooperate between the raised line on teeth groove on the end cap outer peripheral face and the holder shell fragment and can produce certain frictional force, can both be fixed on this position after making the lamp body that is connected with end cap rotate through any angle, guarantee the reliable location of lamp body illumination direction with respect to holder; In addition, the stopper slot that is provided with on the holder can limit the maximum angle that end cap turns over respect to holder, when the limited post on the end cap offsets with the two ends of stopper slot respectively, the angle that lamp body the turns over position that promptly reaches capacity can make things convenient for the quick location of lamp body illumination direction, and, because the rotary stopper effect of stopper slot, lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes contact conductor knotting or be torn.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the embodiment of the invention.

Fig. 2 is one of fixed seat structure schematic diagram of the embodiment of the invention.

Fig. 3 be the embodiment of the invention the fixed seat structure schematic diagram two.

Fig. 4 is one of end cover structure schematic diagram of the embodiment of the invention.

Fig. 5 be the embodiment of the invention the end cover structure schematic diagram two.

Fig. 6 is the holder and the end cap fit structure schematic diagram of the embodiment of the invention.

Fig. 7 is the sectional arrangement drawing between holder, end cap and the lamp body of the embodiment of the invention.

Fig. 8 is one of the holder of the embodiment of the invention and end cap mated condition structural representation.

Fig. 9 is two of the holder of the embodiment of the invention and an end cap mated condition structural representation.

Figure 10 is three of the holder of the embodiment of the invention and an end cap mated condition structural representation.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 10, be specific embodiments of the invention, this embodiment is a kind of LED fluorescent lamp, include lamp body 1, be arranged on the lamp holder and the lamp socket 2 that is connected on each lamp holder at lamp body 1 two ends, wherein, each lamp holder includes the end cap 3 and the holder 4 that can rotate mutually, end cap 3 is fixedly connected on the end of

lamp body

1,4 of holders are fixedly set in the corresponding lamp socket 2, between two lamp sockets 2, also be provided with the identical base 5 of length and lamp body 1, this base 5 is used for the mounting and connection parts of integral LED fluorescent lamp, can also realize supporting the effect of lamp body 1, improves the reliability that lamp body 1 connects; And, being provided with power supply circuit board in the base 5, the bottom of base 5 offers U-lag, and each lamp socket 2 has a head 21 that can plug with the U-lag of base 5, and lamp socket 2 is connected the two ends of base 5.

The lamp body 1 of present embodiment can adopt various lamp body structure of the prior art, preferably, the lamp body 1 of present embodiment includes fluorescent tube 11, pcb board 12, led chip 13 and collector lens 14, wherein, the top of fluorescent tube 11 offers the slot 111 that is provided with along its length, pcb board 12 is placed in this slot 111, led chip 13 is connected electrically on the pcb board 12, fluorescent tube 11 offers groove 112 respectively on two sidewalls of establishing relatively of slot 111, collector lens 14 is arranged at the front portion of pcb board 12, and the dual-side of collector lens 14 is embedded at respectively in the groove 112 of fluorescent tube, and fluorescent tube 11 and collector lens 14 connect into the lamp body shell of a tubular.

The end cap 3 of present embodiment is rounded, opening 31 sizes of this end cap 3 and the cross section size of lamp body 1 are suitable, in order to guarantee the connection reliability of lamp body 1 and end cap 3, the shell that also is provided with a plurality of energy and lamp body 1 on opening 31 madial walls of end cap 3 carries out the convex tendon 32 of interference fit; This end cap 3 offers through wires hole 331 on end face 33, the contact conductor of on pcb board 12, drawing in the lamp body 1 can from this through wires hole 331, pass and and the power supply circuit board of base 5 be electrically connected; Also be provided with the edge limited post 34 that direction protrudes out laterally that parallels to the axis on the end face 33 of this end cap 3; Then be provided with on the outer peripheral face of this end cap 3 along paralleling to the axis direction teeth groove 35 spaced apart.

In order to cooperate with end cap 3, offer suitable and along the vestibule that axially runs through 41 of this holder 4 on the holder 4 with end cap 3 size, end cap 3 is placed in this vestibule 41 and can relatively rotates, the medial surface 411 of vestibule 41 forms a shell fragment 42 at bottom position, 42 curved on this shell fragment also can match with the outer peripheral face of end cap 3, one end of shell fragment 42 is and the medial surface 411 of vestibule 41 fuses, the other end of shell fragment 42 is for can produce the free end of certain deformation, form gap 412 between shell fragment 42 free ends and vestibule 41 medial surfaces 411, shell fragment 42 is provided with the raised line 421 that parallels with axis, the clamping that can match with the teeth groove 35 on end cap 3 outer peripheral faces of this raised line 421.When being rotatably connected to the lamp body 1 of end cap 3, shell fragment 42 on 3 pairs of holders 4 of end cap produces certain downward squeezing action, at this moment, certain deformation can take place in shell fragment 42, the free end of shell fragment 42 is power that makes progress of opposite end lid 3 generations simultaneously also, this makes no matter end cap 3 turns over any angle with respect to holder 4, raised line 421 on the shell fragment 42 can both embed in the corresponding teeth groove 35 of end cap 3, realized the location of end cap 3 with respect to holder 4, promptly lamp body 1 can be completely fixed in predetermined lighting angle position; On the other hand,,, make lamp body 1 rotate, operate easy and convenient with respect to lamp socket 2 as long as apply the frictional force that less external force just can overcome teeth groove 35 and raised line 421 cooperations because the free end of shell fragment 42 has certain elasticity.

The vestibule 41 of holder 4 has two end faces that are interconnected, form arc stopper slot 43 on the end face therein, this stopper slot 43 is positioned at the first half of vestibule 41 end faces, these stopper slot 43 semicirculars in shape and semicircle opening are arranged at the two ends that limited post on end cap 3 end faces can be arranged in this stopper slot 43 and be limited in this stopper slot 43 vertically down;

In order to be connected and installed conveniently, holder 4 also has two lateral walls of establishing relatively, be respectively arranged with dop 44 on each lateral wall to outer process, the madial wall of lamp socket 2 then offer can with the suitable draw-in groove of dop 44, during installation, as long as holder 4 is directly snapped in the lamp socket 2 and can fix, connect very convenient.

As Fig. 8～shown in Figure 10, turn over the structural representation of diverse location with respect to lamp socket 2 and base 5 for the lamp body 1 of present embodiment LED fluorescent lamp, wherein, end cap 3 limited posts shown in Figure 8 are positioned at the centre position (setting at this moment, lamp body 1 rotational angle is 0 degree) of holder 4 stopper slots 43, at this moment, lamp body 1 direction of illumination is positioned at vertically direction up; End cap 3 limited posts shown in Figure 9 and the high order end of holder 4 stopper slots 43 offset, at this moment, the rotational angle of lamp body 1 reaches first extreme position (rotational angle of setting lamp body 1 this moment is-90 degree), and end cap 3 is limited on the holder 4, and lamp body 1 can't be again towards counterclockwise rotating; End cap 3 limited posts shown in Figure 10 and the low order end of holder 4 stopper slots 43 offset, at this moment, the rotational angle of lamp body 1 reaches second extreme position (rotational angle of setting lamp body 1 this moment is+90 degree), end cap 3 is limited on the holder 4 equally, lamp body 1 can't rotate toward the clockwise direction again, and therefore, present embodiment can be realized the light angle adjusting of lamp body 1 in ± 90 degree scopes, make that the illumination orientations of lamp body 1 is more flexible, can meet daily installation needs; And because the rotary stopper effect of stopper slot, lamp body can only rotate in 180 degree scopes, prevents lamp body rotation arbitrarily in 360 degree scopes, avoids lamp body to rotate through wide-angle and causes the contact conductor knotting or be torn.

In addition, the electrode of the pcb board of present embodiment lamp body 1 is to draw from the through wires hole of end cap 3 by lead, it is a kind of soft electric connection mode, adopt pin and lamp socket 2 to be electrically connected with respect to traditional fluorescent lamp, the influence that the circuit of present embodiment is rotated by lamp body 1 is littler, does not exist problem that whether pin and lamp socket 2 insertings put in place (if after lamp body 1 rotated, pin was not inserted in the lamp socket 2 corresponding jacks fully, might be inverted lamp body 1 loose contact, can't normal illumination); When lamp body 1 rotates, from as seeing Fig. 8～Figure 10, changing during the position of through wires hole, the lead that passes in the through wires hole only is moving back and forth along with the variation of through wires hole position on the end cap 3, circuit is communicated with all the time in lamp body 1 rotation process, has not only simplified the rotational structure between end cap 3 and the holder 4, and after having guaranteed to rotate, the good conduction of circuit between lamp body 1 and the lamp socket 2 has improved the serviceability of light fixture.

Claims

1. LED fluorescent lamp, include lamp body (1), be arranged on the lamp holder at described lamp body (1) two ends and be connected lamp socket (2) on the described lamp holder, it is characterized in that: described lamp holder includes end cap (3) and holder (4), described end cap (3) is fixedly connected on the two ends of described lamp body (1), and described holder (4) is fixedly set in the described lamp socket (2);

Wherein, offer the through wires hole (331) that can pass on the end face of described end cap (3) for the contact conductor of described lamp body (1), also be provided with the limited post (34) that protrudes out laterally along the direction that parallels to the axis on the end face of this end cap (3), then be provided with on the outer peripheral face of this end cap (3) along paralleling to the axis direction teeth groove spaced apart (35);

Described holder (4) offers suitable and along the vestibule that axially runs through (41) of this holder (4) with described end cap (3) size, described end cap (3) is placed in this vestibule (41) and can relatively rotates, described holder (4) forms arc stopper slot (43) on a wherein end face of described vestibule (41), described limited post is arranged in this stopper slot (43) and can be limited in the two ends of this stopper slot (43), also form a shell fragment (42) that can match on the medial surface (411) of described vestibule (41) with the outer peripheral face of described end cap (3), the medial surface (411) of one end of described shell fragment (42) and described vestibule (41) fuses, the other end of described shell fragment (42) is a free end, and the free end of this shell fragment (42) is provided with the raised line (421) that can match with described teeth groove (35).

2. LED fluorescent lamp according to claim 1 is characterized in that: described stopper slot (43) semicircular in shape, and this stopper slot (43) takes shape in the first half of described vestibule (41) end face.

3. LED fluorescent lamp according to claim 2, it is characterized in that: be respectively arranged with dop (44) on two lateral walls of establishing relatively of described holder (4), offer on the madial wall of described lamp socket (2) and the suitable draw-in groove of described dop (44) to outer process.

4. according to claim 1 or 2 or 3 described LED fluorescent lamps, it is characterized in that: described lamp body (1) includes fluorescent tube (11), pcb board (12), led chip (13) and collector lens (14), wherein, described led chip (13) is connected electrically on the described pcb board (12), described pcb board (12) is arranged in the described fluorescent tube (11), and described collector lens (14) is arranged at the anterior of described pcb board (12) and links to each other with described fluorescent tube (11).

5. LED fluorescent lamp according to claim 4, it is characterized in that: the top of described fluorescent tube (11) offers the slot (111) that is provided with along its length, described pcb board (12) is placed in this slot (111), and, described fluorescent tube (11) offers groove (112) respectively on two sidewalls of establishing relatively of described slot (111), the dual-side of described collector lens (14) is embedded at respectively in the corresponding described groove (112).

6. LED fluorescent lamp according to claim 5, it is characterized in that: described end cap (3) has the suitable opening (31) of cross section size with described lamp body (1), also is provided with the friction tight convex tendon of lateral wall (32) of a plurality of energy and described shell on the madial wall of this opening (31).