CN102767723A

CN102767723A - LED (Light Emitting Diode) lamp for light string

Info

Publication number: CN102767723A
Application number: CN2012102604933A
Authority: CN
Inventors: 余一平
Original assignee: NINGBO DONGXING ELECTRONIC CO Ltd
Current assignee: NINGBO DONGXING ELECTRONIC CO Ltd
Priority date: 2012-07-26
Filing date: 2012-07-26
Publication date: 2012-11-07
Anticipated expiration: 2032-07-26
Also published as: CN102767723B

Abstract

The invention relates to an LED (Light Emitting Diode) lamp for a light string. The LED lamp for the light string comprises a shell and a circuit board. The shell is characterized by comprising a bottom cover, a fixed plate and a transparent hood. The transparent hood and the bottom cover are fixed together to form a base shell provided with an accommodating chamber. The fixed plate is arranged in the accommodating chamber of the base shell. A slot for a lead to pass through and embed is arranged on the bottom surface of the fixed plate. The bottom cover shields the opening at the bottom of the slot. The circuit board is arranged between the fixed plate and the transparent hood. A first conductive felting needle and a second conductive felting needle are arranged on the fixed plate in a penetrating way. The upper ends of the first felting needle and the second conductive felting needle exposes out of the top surface of the fixed plate and are respectively conducted with the cathode access point and the anode access point of a power supply in the circuit board. The lower ends of the first conductive felting needle and the second conductive felting needle are located in the slot for piercing a surface insulating layer of the lead embedded into the slot and being contacted with the lead. According to the LED lamp for the light string, fewer parts are involved, and the LED lamp for the light string is simple in structure and convenient to assemble.

Description

A kind of lamp string is used the LED lamp

Technical field

The present invention relates to a kind of lamp string and use the LED lamp, said lamp string is suitable for amusements such as Christmas, red-letter day engineering construction decoration, hotel, restaurant, commercial building, garden, Entertainment Plaza and celebrates that the part in place decorates illumination joyously.

Background technology

The lamp string is exactly to be coupled together and by a plurality of bulbs that are inserted into the plug power supply in the socket by lead, and the amusement such as engineering construction decoration, hotel, restaurant, commercial building, garden, Entertainment Plaza of main original Christmas, red-letter day celebrates that the part in place decorates illumination joyously.

Development along with the LED technology; LED lamp string has appearred on the market; On lead, being parallel with a plurality of LED lamps exactly and forming, is a kind of lamp string the Chinese invention patent " LED lamp string " of ZL200710164214.2 (notification number is CN101158451C) has disclosed like a patent No., and it comprises: plug; Socket; A plurality of light emitting diodes, it becomes family to arrange that these families connect each other and connect with said plug and socket, and each family wherein all has multi-group light-emitting diode, and each group has a light emitting diode at least, and said a plurality of groups are connected in parallel to each other; And a voltage regulator, it is all parallelly connected with said each family, and said voltage regulator can remain unchanged the electric current in the said a plurality of groups light emitting diode of said each family when said each group has at least a light emitting diode to damage.

Be a kind of LED lamp string so the Chinese utility model patent " a kind of LED lamp string " of ZL200920136054.5 (notification number is CN201412722Y) has disclosed also like a patent No.; Comprise LED lamp, lead; The planar substrates that two leads pass pedestal gets in the hollow cylinder on the pedestal; The pedestal of LED lamp is coupled to a string in the planar substrates place serial of pedestal; Two leads in the both positive and negative polarity of LED lamp base and the hollow cylinder on the pedestal electrically connect respectively, and the position of LED lamp housing bottom protrusion is inserted in the hollow cylinder of said pedestal, has fluid sealant to seal at spigot.The object of the present invention is to provide a kind of waterproof, energy consumption little, be easy to install and fix, LED lamp string that the light-illuminating angle is consistent.

The number of LED lamp is the constant between the LED lamp in the existing LED lamp string, can not arbitrarily increase and decrease the spacing of LED lamp or change two adjacent LEDs lamp, just can not arbitrarily make the lamp string satisfy our demand to lamp number and spacing, therefore uses inconvenient; Have again between the LED of being exactly lamp and the lead and can not realize quick installation.

In sum, the LED lamp in the existing lamp string also can be done further improvement.

Summary of the invention

Technical problem to be solved by this invention is that the lamp string that provides a kind of reasonable in design also can be installed in quickly and easily on the lead to above-mentioned prior art present situation is used the LED lamp; Use the lamp string of this LED lamp to reach the random spacing between the two LED lamps on the lead of setting with being intended to increase and decrease LED lamp on the lead.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of lamp string is used the LED lamp; Comprise shell and the wiring board with LED in the enclosure is set; It is characterized in that: shell comprises bottom, fixed head and translucent cover; Said translucent cover and bottom are fixed together and form the basic shell with containing cavity; Said fixed head is located in the containing cavity of basic shell, and the bottom surface of fixed head has the wire casing that supplies lead to pass and embed, and said bottom covers the wire casing bottom opening; Said wiring board is between fixed head and translucent cover; Be equipped with the first conduction pricker and the second conduction pricker on the said fixed head, the upper end of the said first conduction pricker and the second conduction pricker expose outside the end face of fixed head and respectively with wiring board in the conducting of power positive cathode access point, the lower end pin portion of the first conduction pricker and the second conduction pricker then is positioned at wire casing and punctures and contact with the core of lead in order to the appearance insulating barrier that will be embedded at the lead of wire casing.

The below of above-mentioned wiring board is provided with first electroconductive elastic sheet and second electroconductive elastic sheet; Said first electroconductive elastic sheet and second electroconductive elastic sheet respectively with wiring board in pad be welded together to form described power positive cathode access point, said first the conduction pricker and second the conduction pricker the upper end expose outside fixed head end face and contact with second electroconductive elastic sheet with first electroconductive elastic sheet respectively.First electroconductive elastic sheet and second electroconductive elastic sheet be as the power positive cathode access point of wiring board, can increase the contact area with the conduction pricker, and the conduction pricker more is prone to realize conducting with the circuit pack of wiring board, therefore assembly precision is required to reduce, and is beneficial to installation.

As improvement, the above-mentioned first conduction pricker has two, their upper end respectively with two end in contact of first electroconductive elastic sheet; The said second conduction pricker has two, their upper end respectively with two end in contact of second electroconductive elastic sheet.Because there is certain deviation in the spacing in the lead between two cores in the certain-length scope; Can not be identical; If the first conduction pricker and the second conduction pricker have only one, the spacing of two cores has been compared certain deviation with standard, to contact with core with regard to the conduction pricker of two conductions in the prickers punctured behind the appearance insulating barrier of lead; Lead can not be supplied power to wiring board, and the LED lamp can not be luminous; And in this structure first the conduction pricker and second the conduction pricker respectively have two; Be positioned at two on same electroconductive elastic sheet conduction pricker in the core offset error scope of the lead layout that misplaces; Can guarantee at least wherein to have a conduction pricker to contact like this, guarantee that lead can supply power to wiring board with the core of lead; Effectively reduce the error rate that the LED lamp is installed.

The two ends of above-mentioned first electroconductive elastic sheet have downwards outwards first elastic portion of bending, and the upper end of the said first conduction pricker contacts with first elastic portion; The two ends of said second electroconductive elastic sheet have downwards outwards second elastic portion of bending, and the upper end of the said second conduction pricker contacts with second elastic portion.Elastic portion is set guarantees further that electroconductive elastic sheet fully contacts with the conduction pricker.

Mode through ultrasonic bonding between the upper end of the above-mentioned first conduction pricker and first elastic portion is fixed together; Mode through ultrasonic bonding between the upper end of the said second conduction pricker and second elastic portion is fixed together.Relative position relation is fixed, can not squinted, guarantee the conducting of LED lamp driver.

For convenient LED lamp or lamp string with this LED lamp are installed on the surface of object (in Christmas tree, metope or lamp box), have two on the above-mentioned bottom in order to wear the installing hole of screw.Be that object surfaces is threaded after can earlier bottom being passed installing hole through tapping screw during installation, and bottom and body surface fixed that the fixed head that then will be installed on the cable again is connected on the bottom with translucent cover.

Certainly bottom also can be adhesively fixed through double faced adhesive tape on the outer bottom that is adhesively fixed on bottom and body surface.

Above-mentioned translucent cover has downward opening cavity, have on the perisporium of cavity two with fixed head on the breach that is complementary of wire casing, under the state in fixed head is located at translucent cover, wire casing on the fixed head and said breach are positioned on the same axis.It is a kind of translucent cover concrete structure, also cavity can be set on bottom conversely certainly.

The both sides of above-mentioned wiring board are provided with first gathering sill, and the top of the cavity internal perisporium of said translucent cover has convex annular wall in the form of a ring, first guiding rib that matches with said first gathering sill that the both sides of annular wall have two convexes; The both sides of said fixed head are provided with second gathering sill; Second guiding rib that matches with said second gathering sill that the cavity internal perisporium of said translucent cover has two convexes; Second guiding rib is positioned at the below of said first guiding rib; Under the state in fixed head is located at translucent cover, the end face of said fixed head is shelved on the end face of annular wall.Through cooperatively interacting between guiding rib and the gathering sill, wiring board and fixed head are played circumferential position-limiting action, can prevent that wiring board and fixed head from rotating in the containing cavity of basic shell, better guarantee to be in place between wiring board, fixed head and the translucent cover three.

Have on the upper surface of above-mentioned bottom two extend upward setting Elastic buckle; These two Elastic buckles are positioned opposite to each other; The inner face of each Elastic buckle has a plurality of latches; Have on the cavity periphery wall of said translucent cover two with the said Elastic buckle recess that matches, have a plurality of and said latch on the sidewall of recess and block the draw-in groove of joining mutually.The mode of buckle is convenient to the connection between bottom and the translucent cover, and this buckle structure has the firm advantage of connection.

Compared with prior art, the invention has the advantages that: it is few, simple in structure that this LED lamp relates to parts; Assemble also very convenient; During use, lead is placed in the wire casing, the appearance insulating barrier that the lower end pin portion of first and second on fixed head conduction pricker punctures lead respectively with lead in two cores arranged side by side contact; Other first and second the conduction prickers the upper end then with the wiring board circuit in the conducting of positive-negative power access point; Can supply power to wiring board thereby make, bottom and translucent cover linked together just accomplish the installation of LED lamp on lead at last through the electric current of lead core, quick and easy for installation; The employing pricker pierces through lead and is communicated with core, can guarantee not damage lead; Because any one section of lead all can place in the wire casing; Be connected with pricker, that is to say, this LED lamp can be installed in any position in the lead; So use the lamp string of this LED lamp to reach the random spacing between the two LED lamps on the lead of setting with being intended to increase and decrease LED lamp on the lead.

Description of drawings

Fig. 1 is installed in the perspective view one on the lead for the embodiment of the invention;

Fig. 2 is installed in the perspective view two on the lead for the embodiment of the invention;

Fig. 3 is installed in the structure cutaway view on the lead for the embodiment of the invention;

Fig. 4 is that the A-A of Fig. 3 is to three-dimensional cutaway view;

Fig. 5 is the three-dimensional exploded view of the embodiment of the invention;

Fig. 6 is the perspective view of bottom in the embodiment of the invention;

Fig. 7 is the perspective view of fixed head in the embodiment of the invention;

Fig. 8 is the perspective view of translucent cover in the embodiment of the invention;

Fig. 9 for conduction pricker in the embodiment of the invention be installed on the electroconductive elastic sheet perspective view;

Figure 10 is installed to the user mode sketch map on the body surface for the embodiment of the invention.

The specific embodiment

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

Shown in Fig. 1～9, be a preferred embodiment of the present invention.

A kind of lamp string is used the LED lamp, comprises shell and the wiring board with LED52 5 in the enclosure is set, and LED is a paster LED.

Shell comprises bottom 1, fixed head 2 and translucent cover 3; Translucent cover 3 is fixed together with bottom 1 and forms the basic shell with containing cavity; Fixed head 2 is located in the containing cavity of basic shell; Wiring board 5 is between the end face and translucent cover 3 inner faces of fixed head 2, and the below of wiring board 5 is provided with the first electroconductive elastic sheet 6a and the second electroconductive elastic sheet 6b, the first electroconductive elastic sheet 6a and the second electroconductive elastic sheet 6b respectively with wiring board 5 in pad be welded together to form the power positive cathode access point; The two ends of the first electroconductive elastic sheet 6a have downwards the outwards first elastic portion 6a1 of bending, and the two ends of the second electroconductive elastic sheet 6b have downwards the outwards second elastic portion 6b1 of bending.

The bottom surface of fixed head 2 has the wire casing 21 that supplies lead 4 to pass and embed, and bottom 1 covers wire casing 21 bottom openings, is equipped with the first conduction pricker 7a and the second conduction pricker 7b on the fixed head 2, and pricker can be molded over fixed head 2 through the mode of inserts; The first conduction pricker 7a has two; The end face that the upper end of the first conduction pricker 7a exposes outside fixed head 2 contacts with the first elastic portion 6a1 that the first electroconductive elastic sheet 6a goes up two ends, and the mode through ultrasonic bonding is fixed together between the upper end of the first conduction pricker 7a and the first elastic portion 6a1; The second conduction pricker 7b has two; The upper end of the second conduction pricker 7b exposes outside the end face of fixed head 2 and contacts with the second elastic portion 6b1 at the last two ends of the second electroconductive elastic sheet 6b, and the mode through ultrasonic bonding is fixed together between the upper end of the second conduction pricker 7b and the second elastic portion 6b1.The lower end pin portion of the first conduction pricker 7a and the second conduction pricker 7b then is positioned at wire casing 21 and punctures and contact with the core 41 of lead in order to the appearance insulating barrier that will be embedded at the lead 4 of wire casing 21.

Have two installing holes 11 on the bottom 1 in order to wear screw 8.Be bonded with double faced adhesive tape 9 on the outer bottom of bottom 1.

Translucent cover 3 has downward opening cavity 31, have on cavity 31 perisporiums two with fixed head on the breach 32 that is complementary of wire casing 21, under the state in fixed head 2 is located at translucent cover 3, the wire casing 21 on the fixed head is positioned on the same axis with said breach 32.

The both sides of wiring board 5 are provided with first gathering sill 51, and the top of the cavity internal perisporium of translucent cover 3 has convex annular wall 33 in the form of a ring, first guiding rib 34 that matches with first gathering sill 51 that the both sides of annular wall 33 have two convexes; The both sides of fixed head 2 are provided with second gathering sill 22; Second guiding rib 35 that matches with second gathering sill 22 that the cavity internal perisporium of translucent cover 3 has two convexes; Second guiding rib 35 is positioned at the below of first guiding rib 34; Under the state in fixed head 2 is located at translucent cover 3, the end face of fixed head 2 is shelved on the end face of annular wall 33.

Be fixed together through buckle structure between cavity 31 perisporiums of bottom 1 and translucent cover.Have on the upper surface of bottom 1 two extend upward setting Elastic buckle 12; These two Elastic buckles 12 are positioned opposite to each other; The inner face of each Elastic buckle 12 has a plurality of latches 13; Have on cavity 31 periphery walls of translucent cover two with Elastic buckle 12 recess 36 that matches, have on the sidewall of recess 36 and a plurality ofly block the draw-in groove 37 of joining mutually with latch 13.

This lamp string is following with the use installation process of LED lamp:

Shown in figure 10; Be fixed on object 10 surfaces after earlier bottom 1 being passed installing hole 11 through double faced adhesive tape 9 or screw 8 before installing, then lead 4 placed in the wire casing 21 of fixed head, first and second on the fixed head 2 conduct electricity appearance insulating barrier that the lower end pin portion of

pricker

7a, 7b punctures lead 4 respectively with lead in two cores arranged side by side 41 contact; The upper end of the other first and

second conduction pricker

7a, 7b then contacts with the first and second electroconductive

elastic sheet

6a, 6b; Therefore pad in the first and second electroconductive

elastic sheet

6a, 6b and the wiring board 5 is fixed, and the first and second electroconductive

elastic sheet

6a, 6b be as positive-negative power access point conducting in the wiring board circuit, thereby the electric current of the core 41 through lead 4 can be supplied power to wiring board 5; Last again bottom 1 and translucent cover 3 being linked together through the buckle mode just accomplished the installation of LED lamp on lead; This installation process is convenient and swift, because any a section of lead 4 all can place in the wire casing, is connected with pricker; That is to say; This LED lamp can be installed in any position in the lead, so use the lamp string of this LED lamp to reach the random spacing between the two LED lamps on the lead of setting with being intended to increase and decrease LED lamp on the lead.

Claims

1. a lamp string is used the LED lamp; Comprise shell and the wiring board with LED (5) in the enclosure is set; It is characterized in that: said shell comprises bottom (1), fixed head (2) and translucent cover (3); Said translucent cover (3) and bottom (1) are fixed together and form the basic shell with containing cavity; Said fixed head (2) is located in the containing cavity of basic shell; The bottom surface of fixed head (2) has the wire casing (21) that supplies lead (4) to pass and embed; Said bottom (1) covers wire casing (21) bottom opening, and said wiring board (5) is positioned between fixed head (2) and the translucent cover (3), is equipped with the first conduction pricker (7a) and the second conduction pricker (7b) on the said fixed head (2); The upper end of the said first conduction pricker (7a) and the second conduction pricker (7b) expose outside the end face of fixed head (2) and respectively with wiring board (5) in the conducting of power positive cathode access point, the lower end pin portion that the first conduction pricker (7a) and second conducts electricity pricker (7b) then is positioned at wire casing (21) and punctures and contact with the core (41) of lead in order to the appearance insulating barrier that will be embedded at the lead (4) of wire casing (21).

2. lamp string according to claim 1 is used the LED lamp; It is characterized in that: the below of said wiring board (5) is provided with first electroconductive elastic sheet (6a) and second electroconductive elastic sheet (6b); Said first electroconductive elastic sheet (6a) and second electroconductive elastic sheet (6b) respectively with wiring board (5) in pad be welded together to form described power positive cathode access point, the end face that the upper end of the said first conduction pricker (7a) and the second conduction pricker (7b) exposes outside fixed head (2) also contacts with second electroconductive elastic sheet (6b) with first electroconductive elastic sheet (6a) respectively.

3. lamp string according to claim 2 is used the LED lamp, it is characterized in that: the said first conduction pricker (7a) has two, their upper end respectively with two end in contact of first electroconductive elastic sheet (6a); The said second conduction pricker (7b) has two, their upper end respectively with two end in contact of second electroconductive elastic sheet (6b).

4. lamp string according to claim 3 is used the LED lamp, it is characterized in that: the two ends of said first electroconductive elastic sheet (6a) have downwards outwards first elastic portion (6a1) of bending, and the upper end of the said first conduction pricker (7a) contacts with first elastic portion (6a1); The two ends of said second electroconductive elastic sheet (6b) have downwards outwards second elastic portion (6b1) of bending, and the upper end of the said second conduction pricker (7b) contacts with second elastic portion (6b1).

5. lamp string according to claim 4 is used the LED lamp, it is characterized in that: the mode through ultrasonic bonding between the upper end of the said first conduction pricker (7a) and first elastic portion (6a1) is fixed together; Mode through ultrasonic bonding between the upper end of the said second conduction pricker (7b) and second elastic portion (6b1) is fixed together.

6. lamp string according to claim 1 is used the LED lamp, it is characterized in that: have two installing holes (11) in order to wear screw (8) on the said bottom (1).

7. lamp string according to claim 1 is used the LED lamp, it is characterized in that: be bonded with double faced adhesive tape (9) on the outer bottom of said bottom (1).

8. use the LED lamp according to the described lamp string of arbitrary claim in the claim 1～7; It is characterized in that: said translucent cover (3) has downward opening cavity (31); Have on cavity (31) perisporium two with fixed head on the breach (32) that is complementary of wire casing (21); Under the state in fixed head (2) is located at translucent cover (3), the wire casing on the fixed head (21) is positioned on the same axis with said breach (32).

9. lamp string according to claim 8 is used the LED lamp; It is characterized in that: the both sides of said wiring board (5) are provided with first gathering sill (51); The top of the cavity internal perisporium of said translucent cover (3) has convex annular wall (33) in the form of a ring, first guiding rib (34) that matches with said first gathering sill (51) that the both sides of annular wall (33) have two convexes; The both sides of said fixed head (2) are provided with second gathering sill (22); Second guiding rib (35) that matches with said second gathering sill (22) that the cavity internal perisporium of said translucent cover (3) has two convexes; Second guiding rib (35) is positioned at the below of said first guiding rib (34); Under the state in fixed head (2) is located at translucent cover (3), the end face of said fixed head (2) is shelved on the end face of annular wall (33).

10. lamp string according to claim 8 is used the LED lamp; It is characterized in that: have on the upper surface of said bottom (1) two extend upward setting Elastic buckle (12); These two Elastic buckles (12) are positioned opposite to each other; The inner face of each Elastic buckle (12) has a plurality of latches (13), have on the cavity of said translucent cover (31) periphery wall two with said Elastic buckle (12) recess (36) that matches, have a plurality of and said latch (13) on the sidewall of recess (36) and block the draw-in groove (37) of joining mutually.