CN201198968Y

CN201198968Y - Color-changing lamp string

Info

Publication number: CN201198968Y
Application number: CNU2008200094441U
Authority: CN
Inventors: 徐盛宏
Original assignee: TAIXING TOY (SHENZHEN) CO Ltd
Current assignee: ZAIXING ELECTRONIC (SHENZHEN) CO., LTD.
Priority date: 2008-04-23
Filing date: 2008-04-23
Publication date: 2009-02-25
Anticipated expiration: 2018-04-23

Abstract

The utility model relates to a color-changing lighting string comprising the lighting string and a control box which is connected with the lighting string, the lighting string comprises a plurality of light-emitting units, a first power cord, a second power cord and a signal line, one end of the first power cord and one end of the signal line are respectively connected with the control box, the other end of the first power cord and the other end of the signal line are continuously connected with various light-emitting units; one end of the second power cord is connected with the control box, the other end is connected to the last light-emitting unit of the lighting string, thereby constituting a current loop with the first power cord; the light emitting units respectively comprise a control board, a plurality of light-emitting diodes with the different colors are arranged on the control boards and can control the lightness and the darkness of the light emitting diodes, thereby forming the different light colors by mixing; furthermore, waterproof components are arranged in various light-emitting units, so the service life of the control boards can not be affected by the external environment by protection.

Description

The Color-changing lamp string

Technical field

The utility model relates to a kind of Color-changing lamp string, refers to a kind of Color-changing lamp string that presents polynary color change and have waterproof construction especially.

Background technology

Most of decorative chain all is bonded on the power line in a cluster by a plurality of luminescence units to be formed; described luminescence unit is solid color; and make the luminescence unit of described different colours present the variation of light on and off according to certain rule by the control of easy circuit; increase visual variation effect; but the luminescence unit that the type lamp string is had all can only send a kind of coloured light; the visible change effect that can present is limited; as there is not a more specifically visual effect; can't attract consumer's sight especially; moreover; most of decorative chain is not good enough to the protection of luminescence unit; as long term exposure under adverse circumstances; for example rain under the moist state, the luminescence unit working life will be shortened.

Summary of the invention

Hence one can see that, and technical problem to be solved in the utility model is: existing decorative chain list shows with the flickering of luminescence unit of different colours, only can provide limited visual effect, and not good enough to the protection of luminescence unit.

In view of this, the purpose of this utility model is to provide a kind of Color-changing lamp string, each luminescence unit of this Color-changing lamp string can send different colours light, cooperate circuit control that more polynary visible change effect can be provided, and this each luminescence unit have waterproof construction influences its working life with the reduction external environment risk simultaneously.

For reaching aforementioned purpose, Color-changing lamp string of the present utility model includes:

One control box, this control box one end connect a plug to connect an external power source, and it has a main circuit board, exportable one synchronous signal;

One lamp string, include a plurality of luminescence units, one first power line, a second source line and a holding wire, described luminescence unit has a control panel separately, this control panel is provided with the light emitting diode of a plurality of different colours, and this control panel can be controlled the bright dark degree of those light emitting diodes to blend together specific light color and to change regularly according to the synchronizing signal driving; Each connects the main circuit board of this control box aforementioned first power line and holding wire with an end, and end successively is connected with the control panel of each luminescence unit in addition, the second source line connects the main circuit board of this control box with an end, and holds the control panel that is connected to last luminescence unit of lamp string in addition.

Wherein, this luminescence unit further comprises:

One lamp socket;

One lamp ball, this lamp socket of its winding and constitute an accommodation space; And

One water repellent component is located in this accommodation space, and control panel is located in this water repellent component.

Wherein, this water repellent component comprises:

One lampshade is located on this lamp socket and is positioned at the lamp ball;

One first waterproof patch is located at this lamp socket inboard;

One second waterproof patch is oppositely arranged with this first waterproof patch and is positioned at the lampshade inboard; And

One waterproof plug is located between the first waterproof patch and the second waterproof patch;

Aforementioned control panel is positioned at this lampshade inboard with respect to the second waterproof patch.

Moreover this lamp string can further comprise a power extending line, is the main circuit board that an end connects this control box, and end connects a socket in addition, and this socket can be for the plug that connects another group Color-changing lamp string control box.

By said structure, the utility model can be achieved as follows technique effect.When whole lamp string in power supply state following time; each control panel will be controlled the variation that its pairing each light emitting diode presents different light and shades; colour mixture obtains different colors thus; the light color that single luminescence unit can be presented is more diversified; and carry out clocklike various styles and change; moreover, be located at the influence that the water repellent component in the luminescence unit can protect the light emitting diode control panel not changed by external environment, thus the working life that prolongs luminescence unit.

Description of drawings

Fig. 1 is the utility model one stereogram.

Fig. 2 is the exploded view of Fig. 1.

Fig. 3 is 1 preferred embodiment of the utility model control box circuit diagram.

Fig. 4 A is Fig. 1 preferred embodiment of the utility model lamp string road.

Fig. 4 B is the circuit diagram of the latter half of Fig. 4 A.

[main element symbol description]

10 control boxes, 100 plugs

11 loam cakes, 110 protecgulums

111 bonnets, 12 lower covers

13 main circuit boards

20 lamp strings, 200 sockets

21 luminescence unit 211a male seats

211b female seat 212 lamp balls

213 water repellent component 213a lampshades

The 213b first waterproof patch

The 213c second waterproof patch

213d waterproof plug 214 control panels

The 22a first power line 22b second source line

23 holding wires, 24 power extending lines

140 rectification units, 141 transistors

The 214a signal input part

The 214b power input

The 214c control chip

The 214d transistor seconds

The 214e signal output part

The 214f power output end

D1, D2, D3 light emitting diode

The specific embodiment

Please refer to Figure 1 and Figure 2, the utility model one preferred embodiment system includes:

One control box 10, be that an end connects a plug 100 to connect an external power source, this control box 10 comprises a loam cake 11, a lower cover 12, a main circuit board 13, this loam cake 11 further comprises a protecgulum 110 of the front end of being located at loam cake 11 respectively and rear end with bonnet 111, this lower cover 12 is to engage with this loam cake 11, and this main circuit board 13 is to be located between loam cake 11 and the lower cover 12;

One lamp string 20, system connects aforementioned control box 10, it includes a plurality of luminescence units 21, one first power line 22a, an one second source line 22b and a holding wire 23, each luminescence unit 21 comprises a lamp socket 211, one lamp ball 212, one water repellent component 213 and a control panel 214, in the present embodiment, this lamp socket 211 by a male seat 211a and one and the female seat 211b of this male seat 211a winding constituted, this lamp ball 212 constitutes an accommodation space with these lamp socket 211 windings, this water repellent component 213 is to be located in this accommodation space and to comprise a lampshade 213a, one first waterproof patch 213b, one second a waterproof patch 213c and a waterproof plug 213d, this lampshade 213a system is located on this lamp socket 211 and is positioned at lamp ball 212, this first waterproof patch 213b has a central perforation and is located at lamp socket 211 inboards, this second waterproof patch 213c middle position system protrudes out a projection, this waterproof plug 213d has a perforation in middle position, and this perforation is passed in regular turn with its projection by this second waterproof patch 213c system, perforation and waterproof plug 213d is located between the first waterproof patch 213b and the second waterproof patch 213c; This control panel 214 is that to be located at this lampshade 213a inner and be positioned at the second waterproof patch 213c outside, and this control panel 214 also includes the light emitting diode of a plurality of different colours; The aforementioned first power line 22a is the main circuit board 13 that an end connects this control box 10, and in addition end successively passes the lamp socket 211 of each luminescence unit 21 and water repellent component 213 and is connected with control panel 214; Aforementioned second source line 22b is the main circuit board 13 that an end connects this control box 10, and in addition end then passes the lamp socket 211 of these lamp string 20 last luminescence units 21 and water repellent component 213 and is connected with its control panel 214; Aforementioned holding wire 23 also equally successively passes the lamp socket 211 of each luminescence unit 21 and water repellent component 213 and is connected with control panel 214.

This lamp string 20 can further comprise a power extending line 24, is the main circuit board 13 that an end connects this control box 10, and end connects a socket 200 in addition, can supply to connect the plug 100 of another group Color-changing lamp string control box 10, and conspire to create a longer lamp string group.

The principle how relevant this control box 10 controls aforementioned lamps string 20 is as described below:

Please referring to Fig. 3, the circuit system on these control box 10 main circuit boards 13 comprises:

One rectification unit 140, it connects aforementioned plug 100, convert a direct current voltage DC to the alternating voltage AC that plug 100 is imported, its two output system and two-phase series resistance R2, R3, a plurality of capacitor C 1, C2 and resistance R 1 are in parallel and form two dc output end DC_OUT+, DC_OUT-;

One transistor 141 is that base stage and emitter stage are connected to resistance R 3 two ends, and its collector terminal system provides the AC synchronous signal once frequency multiplication to give the control panel 214 of first luminescence unit 21 of the lamp string 20 that control box 10 connected.

Please refer to shown in Fig. 4 A and Fig. 4 B, is the circuit diagram of control panel 214 serial connections of each luminescence unit 21, and in the present embodiment, each control panel 214 mainly comprises:

One signal input part 214a, wherein the signal input part 214a of the control panel 214 of first luminescence unit 21 system is connected to the collector terminal AC_PULSE of the transistor 142 of aforementioned main circuit board 13 by aforementioned holding wire 23;

One power input 214b is a wherein output DC_OUT-who is connected to this voltage stabilizing chip 141 by the aforementioned first power line 22a;

A plurality of light emitting diode D1, D2, D3 are to be respectively red/green/blue LED, and described light emitting diode D1, D2, D3 are that an end is connected to aforementioned power source input 214b jointly;

One control chip 214c, system connects this signal input part 214a and this power input 214b, and its three link R, G, B connect the end in addition of each light emitting diode D1, D2, D3 respectively, thereby control the conduction and cut-off of each light emitting diode, and then colour mixture generation color not of the same race, this control chip 214c one output DOUT connects the base terminal of a transistor seconds 214d;

One signal output part 214e is the collector terminal of this transistor seconds 214d;

One power output end 214f is the working power for next control panel.

The AC synchronous signal input that whether has through frequency multiplication detects in the control chip 214a system of first luminescence unit 21, after this first control chip 214a detects an AC synchronous signal, system reaches next control chip 214a via a transistor seconds 214b with the AC synchronous signal, transmit in regular turn, make the control chip of each control panel 214 all receive this AC synchronous signal, and according to the sequential driven in synchronism light emitting diode D1 of this AC synchronous signal, D2, D3 is luminous, and after a period of time, read sequential again and can work asynchronously for a long time to guarantee lamp string 20.

Because the pre-set programs of each control chip 214a system is independent separately, within a certain period of time, can control light emitting diode D1, D2, D3 light on and off, thereby allow red/green/blue light emitting diode blend together different change color, and then reach the visual effect that whole lamp string 20 presents rule variation.

From the above, Color-changing lamp string of the present utility model, the control of the colour mixture of the Tricolor LED of its each luminescence unit is finished by the control chip of this control panel, and and then present the color change of rule, in addition, the utility model is provided with water repellent component in the control panel periphery, makes that control panel and light emitting diode are non-directly to be exposed to the open air outside, so can reduce the probability of luminescence unit fault.

Claims

1. a Color-changing lamp string is characterized in that, comprises:

One lamp string, include a plurality of luminescence units, one first power line, second source line and a holding wire, described luminescence unit has a control panel separately, this control panel is provided with the light emitting diode of a plurality of different colours, and this control panel is controlled the bright dark degree of described light emitting diode to blend together specific light color and to change regularly according to this synchronizing signal driving; Aforementioned first power line and holding wire respectively connect the main circuit board of this control box with an end, and end successively is connected with the control panel of each luminescence unit in addition; The second source line connects the main circuit board of this control box with an end, and holds the control panel that is connected to last luminescence unit of lamp string in addition.

2. Color-changing lamp string according to claim 1 is characterized in that, this luminescence unit further comprises:

One lamp socket;

One lamp ball, itself and this lamp socket winding and constitute an accommodation space; And

3. Color-changing lamp string according to claim 2 is characterized in that, each connects the main circuit board of this control box with an end aforementioned power source line and holding wire, and end successively passes the lamp socket of each luminescence unit and water repellent component and is connected with control panel in addition.

4. Color-changing lamp string according to claim 3 is characterized in that,,

This water repellent component comprises:

One first waterproof patch is located at this lamp socket inboard;

Aforementioned control panel is to be positioned at this lampshade inboard with respect to the second waterproof patch.

5. Color-changing lamp string according to claim 4 is characterized in that:

This first waterproof patch has a central perforation and is located at the lamp socket inboard;

This second waterproof patch middle position protrudes out a projection;

This waterproof plug has a perforation in middle position; And

This second waterproof patch passes this perforation, perforation in regular turn with its projection and the waterproof plug is located between the first waterproof patch and the second waterproof patch.

6. Color-changing lamp string according to claim 5 is characterized in that, this lamp string can further comprise a power extending line, is the main circuit board that an end connects this control box, and end connects a socket in addition, and this socket connects the plug of another group Color-changing lamp string control box.

7. Color-changing lamp string according to claim 6 is characterized in that, the main circuit board of this control box comprises:

One rectification unit, it connects aforementioned plug, converts a direct current voltage to the alternating voltage that plug is imported, and its two output is in parallel with two-phase series resistance, a plurality of electric capacity and resistance; And

One transistor, its base stage and emitter stage are connected to the two ends of one of this two-phase series resistance, and its collector terminal provides the AC synchronous signal once frequency multiplication to give the control panel of first luminescence unit of the lamp string that control box connects.

8. Color-changing lamp string according to claim 7 is characterized in that, this control panel comprises:

One signal input part;

One power input connects a direct current voltage source by the aforementioned power source line;

A plurality of light emitting diodes are respectively red/green/blue LED, and described light emitting diode one end is connected to power input jointly;

One control chip, connect this signal input part and this power input, and connect the end in addition of each light emitting diode, thereby control the conduction and cut-off of each light emitting diode, and then colour mixture generation color not of the same race, this control chip one output connects the base terminal of a transistor seconds;

One signal output part is the collector terminal of this transistor seconds;

One power output end is the working power for next control panel.