CN2624042Y

CN2624042Y - Novel LED flexible wire lamp

Info

Publication number: CN2624042Y
Application number: CNU032474342U
Authority: CN
Inventors: 樊邦弘
Original assignee: 樊邦弘
Current assignee: Heshan Lide Electronic Enterprise Co Ltd
Priority date: 2003-06-18
Filing date: 2003-06-18
Publication date: 2004-07-07
Anticipated expiration: 2013-06-18

Abstract

The utility model discloses a new LED flexible cord lamp. A patch LED is wrapped on the transparent or semi transperant flexible cord so that the LED decoration lamp belt can be bent. The utility model is characterized in that: the flexible cord inner core that is wrapped by two or more than two copper stranded wires vertically cuts out square through hols that are perpendicular to a plurality of copper stranded wires, the patch type LED is inserted into the square through hole and is electrically connected with the copper stranded wires. A flat flexible cord sheath that is transparent or semi transparent wraps the inner core wire. Wherein, the LED flexible wire lamp prods into and is electrically connected with the plurality of copper stranded wire by needle. The connecting part is provided with sleeve and the connecting part of the sleeve and the bulb body is sealed with gel. The structure dimension and the manufacturing of the utility model are equal to that of the Americas flexible cord standard SPT-2. The utility model has the advantages of low cost, small structure dimension, convenient and practical to install and can be applied in long distance.

Description

A kind of new LED cord lamp

Affiliated technical field

The utility model relate to a kind of bent LED illumination and decoration lamp body, particularly a kind of waterproof, easily cutting, cost of manufacture is low, can grow the LED cord lamp that distance is used.

Background technology

The high light efficiency of LED, the advantage of low power consuming are widely used at various decorations and advertising sector.Bent LED Decorative lamp belt is a kind of a plurality of LED to be arranged on ornament lamp in the banded supporting of soft plastic.This ornament lamp is because structure is flat little, bent, light easy installation, so it can be widely used in various contour of building, shop front, the decoration places of signboard pattern or the like, usually, the decoration of contour of building and large-scale outdoor advertising is to the waterproof reliability of such lamp decoration, and is higher about the cutting and the mounting characteristics expectation of receiving.Simultaneously, the decoration of building and large-scale signboard advertisement, expect that more the LED Decorative lamp belt can grow distance and use, because the LED operating voltage range is narrower (from 2.1V～4.0V), when the LED Decorative lamp belt uses in long distance, can cause terminal LED brightness dark because the voltage loss of its power supply conductor causes the operating voltage of the operating voltage of terminal LED far below top LED, cause the LED Decorative lamp belt can not realize long distance use.In the following relevant United States Patent (USP) technology of LED Decorative lamp belt, we can more specifically see existing technology, still exist necessity of improving or innovating.

U.S. Patent number 4761720, Decorative lamp belt, May 14 1987 applying date, it is to be connected in parallel on the low-voltage power supply line by a plurality of led chips that this patent has disclosed a kind of Decorative lamp belt, with epoxide-resin glue pouring this led chip of sealing and low-voltage power supply line, can accomplish complete waterproof again, how not grow the distance use and how to receive but this patent discloses, and with the encapsulating method of epoxy resin, cost of manufacture is higher.This patented technology is still expected to be improved.

U.S. Patent number 6323832, colored exhibiting device, on November 15 1993 applying date, this patent has disclosed a kind of flexible LED lamp band, is the flexibility that is determined this lamp band by the soft durometer of LED supporting material.But the conductor wire of this patented technology is to be electroplated on LED supporting plastics by materials such as aluminium or gold to constitute, the cost of manufacture height, this patent does not disclose the method that more detailed lamp band is received length, still wait in expectation a kind of technical scheme of more economical more detailed LED Decorative lamp belt of user.

U.S. Patent number 5559681, the modular combination lamp body of bent band viscose glue, May 13 1994 applying date, but disclosed a kind of cutting, can extend to the LED Decorative lamp belt more than 1000 feet, but the soft band of the LED of this patented technology is to be made of laminated material, and structure is complicated, and cost of manufacture is higher.The user still waits in expectation a kind of making simply, more economical LED Decorative lamp belt.

U.S. Patent number 5321593, the bar lamp system of LED, October 27 1992 applying date, this patented technology has disclosed a kind ofly to be extruded with PVC, flexible bandlet, the conductive feet that has the LED of condenser punctures the crust of PVC bandlet, does electric the contact with the conductor in the bandlet.The LED of the described band condenser of this patented technology is placed in flat lamp band upper surface, and the convenience of waterproof reliability and installation or packing all has further room for improvement; This patented technology does not disclose the scheme of receiving of flat lamp band.Owing to will keep the bendable folding endurance of this lamp band, the strap of this patented technology is the thin strap of individual layer normally simultaneously, and the load capacity of its conduction is limited, has limited the long distance of this lamp band and has used.

U.S. Patent number 5848837, the LED line lamp of integral coating, 1998 13 days on the 12nd applying date; And U.S. Patent number 5927845 of the same clan, the LED line lamp of integral coating, July 27 1999 applying date; With U.S. Patent number 6113248, the lamp of integral coating and the processing method of joint thereof, September 5 2000 applying date, belong to inventor's Thomson, three patent familieses have systematically disclosed the product structure and the automatic processing method of a kind of adopting surface mounted LED (the English SMT of abbreviation, SURFACE MOUNTING TYPE) lamp band.But this patented technology is the LED with adopting surface mounted LED sets in advance on printed circuit (PRINTED CIRCUIT), coats the flexible plastic of PVC class again outside it.Because printed circuit is with conductive material, as copper, silver etc. are pasted by etching, are laminated on the insulating tape, and printed circuit is restricted usually and cost of manufacture is expensive on etched thickness and area, has limited the long distance use of LED lamp band.The user still expects a kind of simplification of making and the soft band lamp of LED cheaply.

Summary of the invention

A kind of New LED cord lamp described in the utility model is that adopting surface mounted LED (English be called for short SMT, SURFACE MOUNTING TYPE) is coated on a kind of bent LED Decorative lamp belt in transparent or the translucent flexible cord.Its physical dimension is little, makes simply, and waterproof is reliable, and easily cutting is easily received, and can make long distance and use.

A kind of new LED cord lamp described in the utility model, it is characterized in that being coated with on the flexible cord inner core of 2 or 2 above multiply copper stranded conductors, cut out to longitudinal separation square through hole perpendicular to the multiply copper stranded conductor, adopting surface mounted LED embeds in this square through hole, adopting surface mounted LED and multiply copper stranded conductor are electrically connected, and the flexible cord internal core wire coats flat flexible cord crust layer of transparent or translucent outward again.

Wherein, described a kind of new LED cord lamp is to be needled into the multiply copper stranded conductor by connection to be electrically connected, junction overcoat sleeve pipe, and at sleeve pipe lamp body and lamp body seam crossing interpolation sealing glue.

LED cord lamp described in the utility model, physical dimension and making are equal to the physical dimension of general America flexible cord wire gauge SPT-2, cost of manufacture is low, physical dimension is little, practicality easy for installation owing to used the multiply copper stranded conductor, makes its sectional area can become very big, can carry the length distance and use, also bring convenience for the puncture of easy connection pin is electrically connected.

Description of drawings

Fig. 1, the inner core of the utility model LED cord lamp and crust explosion views;

Fig. 2, but the cutting figure of cord lamp lamp body of the present utility model;

Fig. 3, finished product constitutional diagram of the present utility model;

Fig. 4, first section lamp body of the utility model figure that is connected with power output end;

Fig. 5, first section lamp body of the utility model received figure mutually with second section lamp body;

Fig. 6 is the series-parallel embodiment of LED of the present utility model;

Fig. 7 is the embodiment of three-way two-way of the present utility model.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and the specific embodiments.

Referring to Fig. 1, the inner core of the utility model LED cord lamp and crust explosion views.The soft pvc plastic layer is by extruding processing, coats two multiply copper stranded

conductor

2a, 2b fully and forms internal core wire 3, and its internal core wire 3 preferred schemes are internal core wires of flat flexible cord shape, the about 6mm * 2mm of its cross section length and width; This multiply copper stranded

conductor

2a and 2b are the stranded copper conductors that forms of sub-thread copper wire that is about 0.127～0.254mm by many diameters, and its cross section, stranded back sum is preferably 1.0mm ²More than.This strands copper stranded

conductor

2a, 2b have the characteristic of general cord: easily bending, conductive capability is big, load is many, can make the LED cord lamp make long distance and use.Two multiply copper stranded

conductor

2a, 2b keep a suitable spacing to distribute in internal core wire 3, and this spacing is preferably 4mm, just in time adopting surface mounted LED can be installed in spacing, can accomplish compact conformation again.On the internal core wire 3 of 2a, 2b between two multiply copper stranded conductors, vertically equally spacedly cut out perpendicular to a plurality of square through

holes

41,42,43 of multiply copper stranded conductor etc., adopting surface mounted

LED

4a, 4b, 4c just in time can embed in this square through hole, and be electrically connected with two multiply copper stranded

conductor

2a, 2b, its connected mode has welding or thrusts internal core wire 3 with the conductive feet of adopting surface mounted LED twists together with multiply copper stranded

conductor

2a, 2b work and is connected.In the prior art, LED is directly in parallel inserts in the lead.Usually, voltage is suitable with LED operating voltage 2.1～4.0V in the lead, and LED have positive and negative supplier of electricity to, wire voltage also will be kept positive negative direction, tells about this problem is existing in the prior art.

With reference to Fig. 1, on this internal core wire,, coat layer of transparent or translucent soft crust 5 fully again through extrusion processing, form the lamp body of LED cord lamp of the present utility model.This lamp body is preferably flat flexible cord shape usually.

With reference to Fig. 2, a LED cord lamp owing to each adopting surface mounted

LED

4a, 4b, 4c are connected in parallel between two multiply copper stranded

conductor

2a, 2b, therefore, can be used scissors 20, at this LED cord lamp of random length place cutting, supplies with the use occasion of different length.

This LED cord lamp lamp body production process is simple, cost is low, the PVC soft material coats adopting surface mounted LED and multiply copper stranded conductor fully, make the complete waterproof of this LED cord lamp lamp body, simultaneously, the LED cord lamp has been used the adopting surface mounted LED light source and has been embedded in the internal core wire, because the LED of relative other band condensers of adopting surface mounted LED size is little, makes this LED cord lamp physical dimension little, be convenient to install and use and can be hidden in preferably between decorated thing, the aesthetic property of decoration is good.

Fig. 3 is a finished product constitutional diagram of the present utility model.Two copper

stranded conductor

2a, 2b of first section LED cord lamp lamp body 61 are connected with output female joint 902 of power-line plug 10, plug cord 101, power supply changeover device 9, power supply changeover device output line 901 and power supply changeover device etc.Being connected usually with two public access scalp acupuncture 71a, 71b of the output female joint 902 of this LED cord lamp lamp body 61 and power supply changeover device, this public access scalp acupuncture 71a, 71b are the barbed taper pins of an end usually, and this end thrusts among multiply copper stranded conductor 2a, the 2b; The other end of this public access scalp acupuncture 71a, 71b inserts in the hole of power supply output female joint 902.With reference to Fig. 4, and, make water-proofing treatment at seam crossing interpolation fluid sealant.Described power supply changeover device is the converter that mains voltage can be converted to the required direct current 2.1～4.0V of LED.This locates described public access scalp acupuncture 71a, 71b prefabricated being fixed among the unit of plastic 11a usually, the operation of being convenient to plug into.

Referring to Fig. 3, Fig. 5, first section lamp body 61 of the utility model received mutually with second section lamp body 62.Two multiply copper stranded

conductor

2a, 2b that taper two sharp public access scalp acupuncture 72a, the 72b that have a hangnail thrust first section LED cord lamp lamp body 61 and second section LED cord lamp lamp body 62 respectively are electrically connected, again at this junction overcoat one deck plastic bushing 82, and add fluid sealant at the joint of plastic bushing 82 and first section lamp body and second section lamp body, make water-proofing treatment.The sleeve pipe 83 of one the one end sealing of end cover of second section LED lamp body adds fluid sealant at joint again, carries out water-proofing treatment.

Fig. 6 is the series-parallel embodiment of the utility model LED.At LED internal core wire 3 upper edge multiply copper stranded conductor 2a, the 2b parallel direction has a cannelure 301, and this cannelure 301 is in order to put current-limiting resistance 12.Adopting surface mounted

LED

4a, 4b, 4c, 4d connect mutually and are in series with current-limiting resistance 12, again with multiply copper stranded

conductor

2a, 2b parallel connection.Adopting surface mounted LED embeds in the square through

hole

41,42,43,44, current-limiting resistance 12 is filled in the cannelure 301, then, processes through extrusion on this internal core wire 3, coat layer of transparent or translucent soft crust 5 fully, form the lamp body of the LED cord lamp of another embodiment of the present utility model.In this embodiment, the adopting surface mounted LED and the current-limiting resistance of series connection respective numbers can improve the operating voltage of this adopting surface mounted LED lamp string, make its lamp string operating voltage reach 12V, 24V, 120V, 240V etc., therefore, do not need power supply changeover device 9, it is convenient that use can become.

Fig. 7 is the embodiment of three-way two-way of the present utility model.On LED internal core wire 3, be provided with three multiply copper stranded

conductor

2a, 2b, 2c, the parallel direction that reaches between per two multiply copper stranded conductors is provided with a

cannelure

301a, and 301b is respectively in order to ccontaining current-limiting resistance; Between per two multiply copper stranded conductors, cut out corresponding square through

hole

41,42,43,44 and 411,421,431,441 etc. equally, respectively in order to put adopting surface mounted

LED

4a, 4b, 4c, 4d and 4a1,4b1,4c2,4d1 etc.; It is in the embodiment of scheme with Fig. 6, and just this scheme can be used control method of the prior art, controls the luminous variation of LED in two loops of this LED cord lamp.

A kind of new LED cord lamp in the utility model can install and fix with trapped orbit or geometrical clamp usually, or paste a double faced adhesive tape at the back side of this LED cord lamp, does simple and easy fixedly usefulness, and oneself is general for such technology.

By above detailed description, a kind of new LED cord lamp that provides in the utility model, its physical dimension is little, makes simply, and waterproof is reliable, and easily cutting is easily received, and can make long distance and use.

Claims

1, a kind of new LED cord lamp, it is characterized in that: on the flexible cord inner core that is coated with the multiply copper stranded conductor more than 2 or 2, cut out to longitudinal separation square through hole perpendicular to the multiply copper stranded conductor, adopting surface mounted LED embeds in this square through hole, adopting surface mounted LED and multiply copper stranded conductor are electrically connected, and the flexible cord internal core wire coats flexible cord crust layer of transparent or translucent outward again.

2, a kind of new LED cord lamp according to claim 1 is characterized in that: described LED cord lamp is to be needled into the multiply copper stranded conductor by connection to be electrically connected, and at junction overcoat sleeve pipe, and fills with fluid sealant at sleeve pipe and lamp body seam crossing.

3, a kind of new LED cord lamp according to claim 1 is characterized in that: being electrically connected of this adopting surface mounted LED and multiply copper stranded conductor can be directly to incorporate the multiply copper stranded conductor into, also can be after adopting surface mounted LED is connected, to incorporate the multiply copper stranded conductor again into.

4, a kind of new LED cord lamp according to claim 1, it is characterized in that: this flexible cord inner core can have the cannelure of a ccontaining current-limiting resistance, and this current-limiting resistance and adopting surface mounted LED are connected in series.