CN2753950Y

CN2753950Y - Improved structure of flexible tube lamp

Info

Publication number: CN2753950Y
Application number: CNU2004200937815U
Authority: CN
Inventors: 樊邦弘
Original assignee: 樊邦弘
Current assignee: Heshan Lide Electronic Enterprise Co Ltd
Priority date: 2004-09-30
Filing date: 2004-09-30
Publication date: 2006-01-25
Anticipated expiration: 2014-09-30

Abstract

The utility model discloses an improved structure of a flexible tube lamp, which comprises a strip-shaped body having preset length, is extruded for molding by flexiplast and having a rectangular cross section. The inner part of the strip-shaped body is provided with a rectangular through hole along a longitudinal direction; the inner part of the side wall of the cross section of the strip-shaped body is provided with at least two copper hinge lines along the longitudinal direction at intervals from top to bottom. A plurality of flexible belt-shaped circuit boards attached with a plurality of LEDs are arranged in the rectangular through hole in the strip-shaped body. An opalescent light diffusing body which is not transparent but is photic is arranged above the LED bulbs. A coating layer covers the external sides of the rectangular strip-shaped body and the light diffusing body; the coating layer and the light diffusing form a whole. The improved structure of a flexible tube lamp of the utility model has the uniform and consecutive light ray effect of an analogue neon lamp and can be cut and jointed. In an installing surface, the improved structure of a flexible tube lamp can be bent and shaped optionally, and thus the long-term desired target of the flexible tube lamp trade is obtained.

Description

A kind of tube lamp improvement

Affiliated technical field

The utility model relates to a kind of decorative light device, especially a kind of tube lamp improvement of all even continuously bright-coloured soft light effects of energy simulate neon light.

Background technology

Existing hose lamp has been widely used in places such as landscape art, commercial advertisement and garden decoration as decorating lighting lamp, and its advantage is: automatic machinery extrusion molding during production, and cost of manufacture is low; Can arbitrarily bend moulding during use, can receive and cutting, shock-resistant, security reliability is good, can arbitrarily make decorative pattern as required by the consumer; Decorative effect is beautiful, and it is infinite to change irregularly.The shortcoming of existing hose lamp is exactly a non-uniform light, discontinuous also clearly, does not have the illumination effect of neon light but simultaneously.Trace it to its cause, because the light source that coats in the hose lamp fluorescent tube is a point-like illuminator, as pea lamp or LED, the compartment of terrain vertically is distributed in the fluorescent tube, and the light that this granular spot light sends can not reach the even aesthetic feeling of light continuously of neon light.

Neon light is as decorating lighting lamp, and its advantage is that not only light is dazzlingly beautiful, riotous with colour, and luminous evenly continuous, beautiful soft, therefore is widely used in places such as the shop front, signboard, captions advertisement, dance hall, bar, hotel and external wall.But neon light also has its fatal weakness, is exactly that power consumption is big, voltage is high, cost is high, glass lamp is frangible, installation and transportation are inconvenient, can not arbitrarily bend moulding, can not cutting, and also installation and maintenance need the technical professional, inconvenience is safeguarded, also is absolutely unsafe.So people are seeking a kind of light source that can replace neon light for many years always.

For example, people have invented a kind of simulate neon light that adopts the acryl material to do shell, a kind of product that is provided as patent No. US.Pat.6592238, this simulate neon light can bend moulding when heating, this is once progressive, and this simulate neon lamp wiring can reach the illumination effect of neon light evenly, continuously.But, because the acryl material is hard and crisp, so this simulate neon light still can not arbitrarily bend moulding at normal temperatures, also inconvenient cutting; And, make that technology is loaded down with trivial details, manufacture difficulty is big, cost is high because it adopts the potting compound mode to fix flexible banded circuit board and LED; In addition, because flexible banded circuit board can not be received,, can not receive so its length is restricted; Also have, it adopts the also not environmental protection of potting compound mode.Therefore, decorative lighting market still expects to have low, the safe low-voltage of a kind of power consumption, structure and technology are simple, cost is lower, transportation, installation, maintenance is all very convenient, can freely bend moulding, can carry out cutting easily as required and receive, and evenly continuous, the bright-coloured soft light-emitting device of light.

Existing hose lamp generally includes following several sections, referring to Figure 16, the plastic core 110 that strip is transparent, be vertically arranged with at least 2 conductor wires 120,130, be provided with the space of cannelure 140 or a plurality of

transverse holes

150a, 150b, 150c, 150d, 150e in the described transparent plastic core, be used for ccontaining a plurality of

bulb

160a, 160b, 160c, and connecting line kink 170a, 170b.Described bulb series connection back is electrically connected with described conductor wire, and then on described transparent plastic core the plastic packets coating 180 of coating layer of transparent.The light that this hose lamp sends can not reach evenly continuous light effects of neon light, and this hose lamp is arranged in the heart yearn 110 horizontal interval, so this hose lamp can not arbitrarily bend moulding in mounting plane owing to its conductor wire the 120, the 130th.

The U.S. Pat .Pat.5927845 that authorized on July 27th, 1999 and for example, this patent has disclosed a kind of employing flexible PCB is made line lamp (Linear Light) as electric connecting part invention.This line lamp is that LED and electronic component are attached on the flexible PCB, circuit board is coated by heat fused at two blocks of plastics of circuit board external application to form again.The light source of this patented technology is a point-like illuminator, the light that this granular spot light sends can not reach the even aesthetic feeling of light continuously of neon light, and, its flexible PCB is horizontally placed in the lamp body, and this makes it can not arbitrarily bend moulding equally in mounting plane.

Therefore, a kind of evenly continuous and bright-coloured soft light effects and hose lamp structure that can freely bend moulding, can carry out cutting as required and receive easily that can really have neon light is the target that the hose lamp industry is thirsted for for a long time and pursued.

Summary of the invention

For achieving the above object, a kind of tube lamp improvement of the utility model comprises:

One rectangular strip body, cross section by a predetermined length of flexiplast extrusion molding is the strip shape body of rectangle, this strip shape body prolongs the through hole that vertical portion within it is provided with a rectangle, in one sidewall of the cross section of this strip shape body, prolong and vertically be provided with at least 2 copper twisted wires at interval in the upper and lower, this copper twisted wire longitudinal extension and strip shape body equal length, other any sidewall of this strip shape body cross section vertically cuts along center line, forms an open slot;

Many the banded circuit boards of flexibility, the same side of this circuit board is parallel to circuit board to being provided with some LED, the both ends of every circuit board all are welded with the conductive pin line, and the copper twisted wire in conductive pin line and the above-mentioned strip shape body is electrically connected, and the banded circuit board of described flexibility is arranged in the interior rectangular through-hole of above-mentioned strip shape body;

One astigmatism body is arranged on above-mentioned LED bulb top and above-mentioned strip shape body equal length, the opaque but light penetrating object of the lacteous that is used to spread the predetermined altitude of LED light and preset width;

One clad, by one of flexiplast extrusion molding be used to coat above-mentioned strip shape body, astigmatism body and LED bulb, with the clad of above-mentioned strip shape body equal length, this clad what be positioned at LED bulb irradiation top partly is the semicircle curved surface of a simulate neon light glass tubular light-emitting area, this clad and above-mentioned astigmatism body are the extrusion moldings of equal length one, with astigmatism body be an integral body.

Set up constant current IC on the banded circuit board of flexibility described in the utility model; But described LED can be the anti-static type LED of the two-way admittance that is provided with two wafers; Described LED can be the R-G-B three-primary color LED.

The described rectangular strip body of a kind of tube lamp improvement of the utility model is the transparent body or opaque but light penetrating object.In addition, the utility model can also comprise the light tight case that vertically is arranged on the above-mentioned clad, is used to block the sidelight of LED bulb.Light tight case described in the utility model can be and the corresponding up and down opaque-plastic layer of one extrusion molding simultaneously of described clad; This light tight case can also be the opaque-plastic layer that coats by extrusion molding again outside described clad.Described opaque-plastic layer can be the white opaque-plastic layer with reflection action; The two bottom sides of described opaque-plastic layer can be provided with the lip limit of being convenient to install and fix.

A kind of tube lamp improvement of the utility model can also be provided with the LED driving element of an injection mo(u)lding on the power supply supply lines, and the current conversion element that this LED driving element is an AC-DC also can be a LED pulse current driving element.

The described astigmatism body of a kind of tube lamp improvement of the utility model can be the opaque but light penetrating object of lacteous PVC, but also a longitudinal hole can be set in this astigmatism body.

The another embodiment of a kind of tube lamp improvement of the utility model, it is the serve as reasons light tight body of plastic extruding forming of white or other color of described rectangular strip body, but also a groove can be set above it, the bottom of this groove is that the sidewall on the top of above-mentioned rectangular strip body vertically cuts along center line, the LED that is attached on the flexible banded circuit board is arranged in this groove, and flexible banded circuit board is arranged in the interior rectangular through-hole of above-mentioned rectangular strip body.Can be provided with reflective membrane in the described groove of the present embodiment.

A kind of tube lamp improvement of the utility model compared with prior art its beneficial effect has: owing to be provided with astigmatism body above the LED bulb irradiation, can make the continuous homogenising of light, so even continuous light effects that can simulate neon light has reached that the hose lamp industry is thirsted for for a long time and the target pursued; Owing to adopt many banded circuit board of the flexibilities electric connection mode that insert in the copper twisted wire in parallel, so can cutting and receive; Simultaneously, owing to being vertical, flexible banded circuit board is arranged in the lamp body, so the utility model can arbitrarily bend moulding in its mounting plane.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is the cross-sectional view of A-A in Fig. 1 perspective view;

Fig. 3 is the enlarged drawing of F in Fig. 1 perspective view;

Fig. 4 is the extrusion molding schematic diagram of first kind of optimum implementation of the present utility model;

Fig. 5 is the optical principle schematic diagram of first kind of optimum implementation of the present utility model;

Fig. 6 is second kind of organization plan of first kind of optimum implementation of the present utility model;

Fig. 7 is the cross-sectional view of B-B in Fig. 6 perspective view;

Fig. 8 is the third organization plan of first kind of optimum implementation of the present utility model;

Fig. 9 is the cross-sectional view of C-C in Fig. 8 perspective view;

Figure 10 is the perspective view of second kind of optimum implementation of the present utility model;

Figure 11 is the cross-sectional view of D-D in Figure 10 perspective view;

Figure 12 is the extrusion molding schematic diagram of second kind of optimum implementation of the present utility model;

Figure 13 is the perspective view of the third optimum implementation of the present utility model;

Figure 14 is the cross-sectional view of E-E in Figure 13 perspective view;

Figure 15 is the enlarged drawing of G in Figure 13 perspective view;

Figure 16 is the perspective view of prior art hose lamp of the present utility model;

Figure 17 is the schematic diagram of prior art simulate neon light of the present utility model;

Figure 18 is the structural representation of prior art line lamp of the present utility model;

Figure 19 is that legend is used in a kind of installation of the present utility model.

The specific embodiment

Following with reference to accompanying drawing, the utility model is described in further detail:

With reference to Fig. 1 is perspective view of the present utility model, and Fig. 2 is the cross-sectional view of A-A among Fig. 1, and Fig. 3 is the enlarged drawing of F in Fig. 1 perspective view, and Fig. 4 is the extrusion molding schematic diagram of first kind of optimum implementation of the present utility model.

A kind of tube lamp improvement of the utility model, first kind of its manufacturing process of optimum implementation comprises: adopt four copper

twisted wire

01a, 01b, 01c, 01d to pass extrusion shaping machine moulding hole (not shown), automatically extrude continuously by flexiplast, normally transparent or opaque but printing opacity flexible PVC, the cross section of a prefabricated length of moulding is the strip shape body 02 of rectangle, and this rectangular strip body prolongs the through hole 06 that vertical portion within it is provided with a rectangle.This rectangular strip body 02 is the transparent body or opaque but light penetrating object.Four copper

twisted wire

01a, 01b, 01c, 01d in this strip shape body 02 prolong in the sidewall of the cross section that vertically is arranged on this strip shape body 02 at interval in the upper and lower this copper twisted wire longitudinal extension and strip shape body equal length.The utility model prolongs and vertically is provided with at least 2 copper twisted wires at interval in the upper and lower, is that embodiment describes so that four copper twisted wires to be set here.In addition corresponding with four a copper twisted wires sidewall of this strip shape body 02 cross section vertically cuts along center line, forms an open slot 07.Be that its copper twisted wire of the described rectangular strip body of a kind of tube lamp improvement of the

utility model

01a, 01b, 01c, 01d are the same sides that is positioned at the cross section of rectangular strip body 02 with different in the past.

Then, adopt many banded circuit boards 03 of flexibility, the same side of this circuit board 03 is parallel to circuit board to being provided with some LED 04, this LED can be the LED of R, G, three kinds of colors of B, the both ends of every circuit board all are welded with the conductive pin line, and the copper twisted wire in conductive pin line and the above-mentioned strip shape body 02 is electrically connected.End as the banded circuit board 03 of flexibility is welded with three conductive pin lines, and these three conductive pin lines insert copper

twisted wire

01a, 01b, 01c respectively, and the conductive pin line of circuit board 03 other end then inserts copper twisted wire 01d (not shown).During every banded circuit board 03 of flexibility is all filled in rectangular through-hole 06 in the above-mentioned rectangular strip body 02 from open slot 07.

Can set up constant current IC 05 on the banded circuit board of flexibility described in the utility model, described constant current IC is a kind of constant electronic component of electric current that can keep under the situation of voltage change, it is series in the circuit of circuit board, the voltage change scope is in 5-90V, current constant is below the 20mA, to be generally 18mA.By constant current IC 05, can make the utility model brightness higher, and can keep stability.But LED described in the utility model can be the anti-static type LED of the two-way admittance that is provided with two wafers, the packing colloid of this LED is interior and be connected to two LED wafers, and one just connects, a reversal connection, the electrostatic charge of delay is consumed, prolongs the service life of LED.In addition, LED described in the utility model can be the R-G-B three-primary color LED, is connected to form four lines, three loops with control element on the circuit board, realizes color changeable effect by control element.

As shown in figure 16, the punching type hose lamp of prior art,

transverse holes

150a, 150b, 150c, 150d, 150e and LED160a on its heart yearn 110,160b, 160c and the kink of LED lead-foot-

line

170a, 170b are arranged between the copper twisted wire 120,130, and be vertical with copper twisted wire 120,130.Key character of a kind of tube lamp improvement described in the utility model as shown in Figure 1, be that it is with copper twisted

wire

01a, 01b, 01c, 01d is arranged in the sidewall of cross section of this strip shape body 02 at interval in the upper and lower, flexible banded circuit board and LED then are arranged on copper twisted

wire

01a, 01b, 01c, the side of 01d, help hose lamp described in the utility model like this, on upper edge, bottom surface longitudinal length is installed when crooked, copper

twisted wire

01a, 01b, 01c, 01d is positioned on the same bending radius, development length is identical, make and be easy to bending when installing and using, as shown in figure 19, avoided the punching type hose lamp of prior art, as shown in figure 16, when bending is gone up in installation bottom surface (being the illuminator bottom surface), copper twisted wire 120,130 lay respectively on the different bending radius, development length is inequality, causes the difficulty when bending is installed, and causes being electrically connected on the copper twisted wire to be broken.

Its low energy consumption of LED bulb, low temperature, high brightness, good characteristics such as small size can be used for shortening the spacing of LED bulb, increase the quantity of LED bulb in the hose lamp unit length and can not cause that hose lamp is overheated, can improve the brightness of hose lamp safely, and adopt the affixed parts of flexible banded circuit board, make the spacing of LED can be as small as zero as LED, like this, the utility model becomes pratical and feasible above the brightness of glass neon light.The optimum implementation of a kind of tube lamp improvement of the utility model, its LED bulb diameter is 3-5MM, the about 200Mcd of its LED brightness.

After the banded circuit board of above-mentioned flexibility and LED fill up the rectangular strip body of whole above-mentioned predetermined length, this strip shape body 02 passes extrusion shaping machine 16 moulding holes 17, as shown in Figure 4, automatically extrude continuously by flexiplast 19, opaque but the printing opacity PVC of Rou Xing lacteous normally, one of moulding is used to cover above-mentioned strip shape body 02 and astigmatism body 08 above-mentioned strip shape body equal length, that is to say described clad, simultaneously, below this clad is astigmatism body 08, also one of moulding by flexible opaque-plastic 18 moulding be used to coat strip shape body and block the sidelight of LED bulb 04 in the strip shape body and the light tight case of end light, that is to say the opaque-plastic layer 14 that two sides and bottom surface with strip shape body 02 coat.This opaque-plastic layer 14 can be the white opaque-plastic layer with reflection action.The two bottom sides of this opaque-plastic layer 14 can be provided with the lip limit of being convenient to install and fix 141, as Fig. 6, shown in Figure 7, i.e. and second of first kind of optimum implementation kind of organization plan.Described clad is an astigmatism body 08 with this opaque-plastic layer 14 is corresponding up and down while one extrusion moldings, and both are an integral body.This clad is the part that is positioned at LED bulb 04 irradiation top of astigmatism body 08, that is to say the part above astigmatism body 08, and its outward appearance is a semicircle curved surface 10, in order to simulate neon light glass tubular light-emitting area.Opaque-plastic layer 14 described in the utility model, the light that a kind of hose lamp of the utility model is sent, only the semicircle curved surface 10 from astigmatism body 08 irradiates.Extrusion shaping machine 16 described in the utility model is for being provided with the bicolor co-extrusion extrusion molding machine of two hoppers, and present technique is very general, does not do narration at this.

When rectangular strip body 02 passes the moulding hole 17 of extrusion shaping machine 16, the astigmatism body 08 of this extrusion molding must be arranged on rectangular strip body 02 inner LED bulb 04 directly over, that is to say that LED bulb 04 should be arranged on the below of this astigmatism body, near the center line of astigmatism body 08.Will implement above-mentioned requirements in hose lamp industry, be common prior art, do not do more narrations at this.

The described astigmatism body 08 of a kind of tube lamp improvement of the utility model, it is the opaque but light penetrating object of milky, or be called vaporific opaque but light penetrating object, normally by the extrusion molding of flexible milky PVC material, its width with highly be relevant with the brightness and the irradiating angle of LED bulb in the rectangular strip body 02, the brightness height or the irradiating angle of LED bulb are big, its height and width can be more greatly, the brightness of LED bulb is little or irradiating angle is little, and its height and width must be a little bit smaller.The width of astigmatism body and highly bigger, the apparent brightness of then more losing a kind of hose lamp of the utility model, the appearance of corresponding elimination point source of light is good; The width of astigmatism body and highly little more weakens the outward appearance that a kind of hose lamp of the utility model is eliminated point source of light, corresponding apparent brightness height.The optimum implementation of a kind of tube lamp improvement of the utility model, its LED bulb diameter is 3-5mm, the about 200Mcd of its LED brightness, 45 ℃ of its LED lighting angles, the center distance 5-8mm of LED bulb.The height dimension H of described astigmatism body is 14mm, and its width dimensions L is 8-10mm, as shown in Figure 2.After the light that the LED bulb sends passes through astigmatism body 08 refraction and diffusion, the fringe region of the light that

adjacent LED bulb

04a, 04b, 04c, 04d sends is overlapped, the fringe region of the light that sends as

LED bulb

04b, 04c forms overlay region 20, LED bulb edge region illumination brightness is strengthened, and approximate the illumination brightness that send in LED bulb centre, as shown in Figure 5.Therefore, above the irradiation of the LED of a kind of hose lamp of the utility model bulb 04, promptly clad also is on the semicircle curved surface 10 of astigmatism body 08, from appearance, the continuously uniform light effects of neon light is arranged.

After above-mentioned clad is

astigmatism body

08 and 14 moulding of light tight case; copper

twisted wire

01a, 01b, 01c, 01d should do with the supply lines 11 of power supply and be electrically connected; and on this electrical connecting position; one plastic shell is set; in order to protect this to be electrically connected; be joint 12 described in the utility model, as shown in Figure 1.In addition, on the end of above-mentioned rectangular strip body 02 and astigmatism body 08 and light tight case 14, be provided with one in order to coating this terminal copper twisted wire and the plastic shell of electrical cable thereof, tail plug 13 promptly described in the utility model, as shown in Figure 1.Be electrically connected and protect the plastic shell that is electrically connected, in the prior art, have the different implementation method of many kinds, do not do being described in detail at this.

In order to improve the luminous efficiency of simulate neon light, and intensity of illumination, the LED driving element 15 of an injection mo(u)lding on power supply supply lines 11 can be set, as shown in Figure 1, the current conversion element that this LED driving element can be an AC-DC, give the LED bulb powered with DC current, make the LED bulb luminous stable, flicker when avoiding the LED bulb luminous.The AC-DC of prior art is normally used 4 diode rectifications, or other more accurate commutation techniques, does not do being described in detail at this.Described LED driving element of the present utility model, it also can be LED pulse current driving element, give the LED bulb powered with pulse current, LED bulb luminous efficiency is improved, energy consumption reduces, and that is to say, when the identical hear rate of energy consumption is identical, the LED bulb is can illumination brightness higher, can further improve the intensity of illumination of simulate neon light.

The third organization plan of first kind of optimum implementation of a kind of tube lamp improvement of the utility model, described astigmatism body can be provided with a longitudinal hole, as Fig. 8, shown in Figure 9 in its astigmatism body.Described clad is an astigmatism body 21 and opaque-plastic layer about in the of 14 during corresponding one extrusion molding simultaneously, can longitudinal hole 211 of moulding in its astigmatism body 21, and like this, can save material, thereby make a kind of hose lamp cost of the utility model lower.At this moment, because air is to ray refraction with disperse ability in this longitudinal hole 211, astigmatism body 08 not as good as the opaque PVC material of lacteous, therefore, in order to reach the same continuous uniform light effect of neon light, as Fig. 8, clad above rectangular strip body 02 shown in Figure 9 is that the height dimension H1 of astigmatism body 21 should be greater than as Fig. 1, Fig. 2, Fig. 6, the clad above rectangular strip body 02 described in first kind of optimum implementation shown in Figure 7 is the height H of astigmatism body 08, and look varying in size of longitudinal hole 211 sizes, the concrete size of H1 is also different, does not do being described in detail at this.

Second kind of optimum implementation of a kind of tube lamp improvement of the utility model such as Figure 10, shown in Figure 11, Figure 12 is the extrusion molding schematic diagram of second kind of optimum implementation of the present utility model.In this embodiment, described light tight case is the opaque-plastic layer 22 that coats by extrusion molding again outside described clad 081.This clad 081 is by extruder disposable extrusion molding outside rectangular strip body 02, its upper part promptly is an astigmatism body described in the utility model, its outward appearance is a semicircle curved surface 10 equally, and its underpart part then has skim 09 to be coated on outside the rectangular strip body 02 described in the utility model.Opaque but the PVC material of printing opacity of the normally flexible lacteous of the raw material that this clad 081 is adopted.Behind clad 081 extrusion molding, the moulding hole 24 by extrusion shaping machine 23 coats an opaque-plastic layer 22 outside clad 081 again, as shown in figure 12.This opaque-plastic layer 22 is coated on the periphery of 081 time part of clad thin layer 09, is used for blocking the sidelight and the end light of the LED bulb 04 in a kind of hose lamp rectangular strip of the utility model body 02.The normally flexible opaque-plastic of raw material 18 that this opaque-plastic layer 22 is adopted also can be the white opaque-plastic with reflection action, helps increasing the apparent brightness of a kind of hose lamp of the utility model like this.

As Figure 13, the perspective view of the third optimum implementation of the present utility model, Figure 14 is the cross-sectional view of E-E in Figure 13 perspective view, Figure 15 is the enlarged drawing of G in Figure 13 perspective view.In this embodiment, the serve as reasons light tight body of plastic extruding forming of white or other color of described rectangular strip body 021, but also a groove 071 can be set above it, the bottom of this groove 071 is that the sidewall on the top of above-mentioned rectangular strip body 021 vertically cuts along center line, form a longitudinal opening groove 072, the LED04 that is attached on the flexible banded circuit board 03 is arranged in this groove 071, during every banded circuit board 03 of flexibility was all filled in rectangular through-hole 06 in the above-mentioned rectangular strip body 021 from open slot 072, open slot 072 clamped the pin and the flexible banded circuit board 03 of LED bulb 04.In the present embodiment, for the outward appearance illumination brightness that makes hose lamp higher, can in described groove 071, one deck reflective membrane be set, all reflex on the semicircle curved surface 10 of astigmatism body 08, reach brighter purpose in order to the downward part of the light that LED bulb 04 is sent.Because rectangular strip body 021 is by the opaque-plastic extrusion molding, so needn't vertically be provided for having blocked the light tight case of LED bulb sidelight on above-mentioned clad again in the present embodiment.In the present embodiment because the top of LED bulb 04 directly contacts with the following of astigmatism body 08, so the height dimension H2 of astigmatism body 08 should be slightly less than the height dimension H of the astigmatism body 08 of first kind of optimum implementation, its concrete size is looked the spacing difference of LED bulb 04, does not do being described in detail at this.

Figure 17 is the schematic diagram of prior art simulate neon light of the present utility model.This simulate neon light is to adopt acryl material injection mo(u)lding one rhabodoid 220 earlier, adopt two clamping plates 210 to combine again and form a cylindrical space 250 with rhabodoid 220, the flexible PCB 230 that to set up LED bulb 240 then places in this cylindrical space 250, and with the top of LED bulb 240 towards rhabodoid 220, at last, perfusion glue in cylindrical space 250 with the position of fixing flexible circuit board 230 and LED bulb 240, and reaches the effect of electric insulation and sealing.Because the acryl material is hard and crisp, cannot bends, and adopt the not environmental protection of potting compound mode, so this simulate neon light still has many defectives and deficiency.

Figure 18 is the structural representation of prior art line lamp of the present utility model.This line lamp is that LED bulb 340 and electronic component etc. are attached on the flexible PCB 330, circuit board 330 is coated by heat fused at two blocks of plastics 310 of circuit board 330 external applications and 320 to form again.The light source of this patented technology can not reach the aesthetic feeling of the evenly continuous light of neon light, and its flexible PCB 330 is horizontally placed in the lamp body, and this makes it can not arbitrarily bend moulding in mounting plane.

As Figure 19, it is a kind of tube lamp improvement of the utility model, the signboard word " OPEN " of the simulate neon light that is used to make, during installation, a kind of hose lamp of the present utility model is cut into needed word pattern as " OPEN ", and with suitable fixing fitting such as geometrical clamp 25, the lamp body of each section word pattern is fixed on the installed surface 26.Therefore, a kind of tube lamp improvement of the utility model is installed simple, safe and reliable.Simultaneously, from the semicircle curved surface 10 of a kind of tube lamp improvement of the utility model in appearance, continuously uniform light effects is arranged, remaining light is all blocked by light tight case 14, the word pattern that a kind of tube lamp improvement of the utility model is made, the light effects that simulate neon light is arranged, reached the target that the hose lamp industry is thirsted for for a long time and pursued, also realized simultaneously continuous and automatic production in enormous quantities simulate neon light, thereby the simulate neon light production lot than many other structures is big, cost of manufacture is low, has the simulate neon light and the incomparable superiority of hose lamp of other structures.

Claims

1. a tube lamp improvement is characterized in that: comprise

2. a kind of tube lamp improvement according to claim 1 is characterized in that: described rectangular strip body is the transparent body or opaque but light penetrating object.

3. a kind of tube lamp improvement according to claim 1 is characterized in that: can also comprise the light tight case that vertically is arranged on the above-mentioned clad, is used to block the sidelight of LED bulb.

4. a kind of tube lamp improvement according to claim 1 is characterized in that: set up constant current IC on the banded circuit board of described flexibility.

5. a kind of tube lamp improvement according to claim 1 is characterized in that: but described LED can be the anti-static type LED of the two-way admittance that is provided with two wafers.

6. a kind of tube lamp improvement according to claim 1 is characterized in that: described LED can be the R-G-B three-primary color LED.

7. a kind of tube lamp improvement according to claim 3 is characterized in that: described light tight case can be and the corresponding up and down opaque-plastic layer of one extrusion molding simultaneously of described clad.

8. a kind of tube lamp improvement according to claim 3 is characterized in that: described light tight case can be the opaque-plastic layer that coats by extrusion molding again outside described clad.

9. according to claim 7 or 8 described a kind of tube lamp improvement, it is characterized in that: described opaque-plastic layer can be the white opaque-plastic layer with reflection action.

10. according to claim 7 or 8 described a kind of tube lamp improvement, it is characterized in that: the two bottom sides of described opaque-plastic layer can be provided with the lip limit of being convenient to install and fix.

11. a kind of tube lamp improvement according to claim 1 is characterized in that: the LED driving element of an injection mo(u)lding on the power supply supply lines can also be set.

12. a kind of tube lamp improvement according to claim 11 is characterized in that: the current conversion element that described LED driving element is an AC-DC.

13. a kind of tube lamp improvement according to claim 11 is characterized in that: described LED driving element is a LED pulse current driving element.

14. a kind of tube lamp improvement according to claim 1 is characterized in that: described astigmatism body can be the opaque but light penetrating object of lacteous PVC.

15. a kind of tube lamp improvement according to claim 1 is characterized in that: described astigmatism body can be provided with a longitudinal hole in this astigmatism body.

16. a kind of tube lamp improvement according to claim 1, it is characterized in that: the serve as reasons light tight body of plastic extruding forming of white or other color of described rectangular strip body, but also a groove can be set above it, the bottom of this groove is that the sidewall on the top of above-mentioned rectangular strip body vertically cuts along center line, the LED that is attached on the flexible banded circuit board is arranged in this groove, and flexible banded circuit board is arranged in the interior rectangular through-hole of above-mentioned rectangular strip body.

17. a kind of tube lamp improvement according to claim 16 is characterized in that: can be provided with reflective membrane in the described groove.