CN206973323U

CN206973323U - A kind of Emulational rattan egg shell lampshade string

Info

Publication number: CN206973323U
Application number: CN201720118511.2U
Authority: CN
Inventors: 张宏伟
Original assignee: Zhongshan Goya Photoelectric Technology Co Ltd
Current assignee: Zhongshan Goya Photoelectric Technology Co Ltd
Priority date: 2017-02-08
Filing date: 2017-02-08
Publication date: 2018-02-06
Anticipated expiration: 2027-02-08

Abstract

The utility model discloses a kind of Emulational rattan egg shell lampshade string, brand-new rattan lamp string structure is formed using LED string, electric adhesive plaster and the feel glue of flexible stent, winding or hoop in flexible stent, real rattan cutaneous sensation is had more compared to common electric adhesive plaster winding, and flexible stent can be with random variation, rattan lamp is allowd to be arranged to the shape that user wants, practicality is extremely strong, electric adhesive plaster, which internally insulate, avoids electric shock equivalent risk, and the electric adhesive plaster corresponding with flexible stent and feel glue can also be with flexible stent random variations without rupturing.

Description

A kind of Emulational rattan egg shell lampshade string

Technical field

Rattan lamp is the utility model is related to, especially a kind of Emulational rattan egg shell lampshade string.

Background technology

Current rattan lamp is only merely the ornamental rattan of cloth on the conventional light fixtures such as lantern, not using rattan as The main body of light fixture, rattan lamp truly is also just not present, therefore, how to invent a kind of more life-like practical rattan lamp It is exactly those skilled in the art's technical problem urgently to be resolved hurrily.

In addition, conventional lamp producer is for profit-seeking, usually using the drive scheme of high voltage low current.Utilize tradition Triode series connection realizes that the drive scheme of linear constant current has the advantages that circuit is simple, small volume is used, this circuit Middle pliotron joins with LED strip, because LED forward drop keeps constant, therefore when input voltage fluctuation, triode Partial pressure can fluctuate therewith, therefore the power consumption of triode can change with the fluctuation of power supply.In order to further reduce cost and raising Life-span, many circuits are filtered after rectification without electrochemical capacitor, can so be made the voltage pulsation of input very big, be led A kind of flickering situation is presented when causing branch end LED to light；Triode will bear to exceed LED conducting voltages part simultaneously Voltage, when the LED numbers of series connection are less, triode consumption power it is very big, caloric value is huge, the reliability and peace of circuit Full property is caused the universal lost of life of rattan lamp on the market, is replaced as frequently as lamp string, bring greatly not by strong influence Just and waste.

Utility model content

In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of Emulational rattan egg shell lampshade string.

Technical scheme is used by the utility model solves its technical problem：

A kind of Emulational rattan egg shell lampshade string, including flexible stent, winding or bind round LED string, electric adhesive plaster in flexible stent And feel glue, be provided with some emulation cane leaves or emulation flower in the flexible stent, electric adhesive plaster be wrapped in LED string with it is flexible The outer surface of support, Emulational rattan cortex is applied as by the feel glue outside the electric adhesive plaster, the LED string by power line and The LED lamp bead composition of series connection on the power line, the LED lamp bead is in emulation cane leaves or emulation flower.

Further, the flexible stent is plastic cement aluminum steel or flexible metal line.

Further, the Emulational rattan lamp also includes the driving power being connected with power line, and driving power includes：Lead back Road, the major loop include the rectifier bridge (Br) of input connection AC network, and rectifier bridge (Br) has two output ends, and it is first defeated Go out end ground connection；First pliotron (Q1), the first pliotron (Q1) base stage pass through the first biasing resistor (Rb1) and rectification The second output end connection of bridge (Br), colelctor electrode are connected with LED string output end, and emitter stage is by connecting a sampling resistor (Rs) Ground connection；Second pliotron (Q2), the second pliotron (Q2) base stage pass through the second biasing resistor (Rb2) and rectifier bridge (Br) the second output end connection, colelctor electrode are connected with LED string output end, and emitter stage is connect by connecting sampling resistor (Rs) Ground；Output current controlling of sampling loop, output current controlling of sampling loop include：First current control triode (Q3), it collects Electrode is connected with the base stage of the first pliotron (Q1), and its base stage is grounded by connecting sampling resistor (Rs), and its emitter stage connects Ground；Second current control triode (Q4), its colelctor electrode are connected with the base stage of the second pliotron (Q2), and its base stage passes through Connect sampling resistor (Rs) ground connection, its grounded emitter；Complementary PWM signals input, inputted for external circuit anti-phase each other Pwm signal, there are two inputs, its first input end is connected with the base stage of the first pliotron (Q1), its second input End is connected with the base stage of the second pliotron (Q2).

External circuit for providing pwm signal anti-phase each other for the complementary PWM signals input is multi resonant self-excitation Oscillating circuit.

The multi resonant self-maintained circuit includes：First triode (Q5), (Q5) grounded emitter of the first triode and with The electric capacity (C0) that resistance (R0) is in series between second output end of rectifier bridge (Br) and is ined succession and voltage-regulator diode (D1), electricity Resistance (R0) is connected with the positive pole of electric capacity (C0), the negative pole of voltage-regulator diode (D1), its colelctor electrode and the second pliotron (Q2) Base stage be connected, and its colelctor electrode is also in series with first resistor (R1) between resistance (R0), its base stage and the pole of the first power three The second electric capacity (C2) is connected between the base stage of pipe (Q1), and its base stage is also in series with 3rd resistor between resistance (R0) (R3)；Second triode (Q6), the first electricity is in series between the second triode (Q6) base stage and the first triode (Q5) colelctor electrode Hold (C1), and its base stage is also in series with second resistance (R2), its grounded emitter, its colelctor electrode and first between resistance (R0) The base stage of pliotron (Q1) is connected, and its colelctor electrode is also in series with the 4th resistance (R4) between resistance (R0).

The beneficial effect that the utility model is brought has：

The utility model is using flexible stent, winding or binds round LED string, electric adhesive plaster and feel glue in flexible stent Brand-new rattan lamp string structure is formed, has more real rattan cutaneous sensation, and flexible branch compared to common electric adhesive plaster winding Frame can be with random variation so that rattan lamp can be arranged to the shape that user wants, and practicality is extremely strong, and electric adhesive plaster internally insulate Electric shock equivalent risk is avoided, the electric adhesive plaster corresponding with flexible stent and feel glue can also be with flexible stent random variations without broken Split.

In addition, the driving power of the utility model rattan lamp string controls two pliotron wheel conductances using pwm signal It is logical, current path is provided for LED string jointly, while power output is ensured, the power consumption of single triode substantially reduces, and carries High power-efficient, reduces heating, adds the security performance of rattan lamp；No electrolytic capacitor, cost is still very low, makes simultaneously It is longer with the life-span.

Brief description of the drawings

Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.

The part sectioned view of Fig. 1 the utility model Emulational rattan lamps；

Fig. 2 is the driving power circuit theory diagrams of the utility model Emulational rattan lamp；

Fig. 3 is the driving power circuit embodiments figure of the utility model Emulational rattan lamp.

Embodiment

It is a kind of Emulational rattan egg shell lampshade string of the present utility model shown in reference picture 1, including flexible stent 10, winding or hoop LED string 20, electric adhesive plaster 30 and feel glue 40 in flexible stent 10, some simulative rattans are provided with the flexible stent 10 Leaf or emulation flower, electric adhesive plaster 30 are wrapped in the outer surface of LED string 20 and flexible stent 10, and the electric outside of adhesive plaster 30 is by described Feel glue 40 is applied as Emulational rattan cortex, LED lamp bead group of the LED string 20 by power line and series connection on the power line Into the LED lamp bead is in emulation cane leaves or emulation flower.Wherein, the flexible stent 10 is plastic cement aluminum steel or flexibility Metal wire.

As shown in Fig. 2 the driving power of the utility model rattan lamp string includes：

Major loop, including：Input connects the rectifier bridge Br of AC network, and rectifier bridge Br has two output ends, and it first Output head grounding；LED string input is connected with rectifier bridge Br the second output end, including at least one series-parallel LED；The One pliotron Q1, its base stage are connected by the first biasing resistor Rb1 with rectifier bridge Br the second output end, colelctor electrode with LED string output end is connected, and emitter stage is grounded by connecting a sampling resistor Rs；Second pliotron Q2, its base stage pass through Second biasing resistor Rb2 is connected with rectifier bridge Br the second output end, and colelctor electrode is connected with LED string output end, and emitter stage leads to Cross connection sampling resistor Rs ground connection；

Output current controlling of sampling loop, including：First current control triode Q3, its colelctor electrode and the pole of the first power three Pipe Q1 base stage is connected, and its base stage is grounded by connecting sampling resistor Rs, its grounded emitter；Second current control triode Q4, its colelctor electrode are connected with the second pliotron Q2 base stage, and its base stage is grounded by connecting sampling resistor Rs, its emitter stage Ground connection；

Complementary PWM signals input, anti-phase each other pwm signal is inputted for external circuit, there are two inputs, it the One input is connected with the first pliotron Q1 base stage, the base stage phase of its second input and the second pliotron Q2 Even.

As shown in figure 3, being specific embodiment of the utility model, design parameter is as follows, nominal input voltage AC220V, work( Rate 3W, LEDs specification：40 3014 white light LEDs.

Wherein, the external circuit for providing pwm signal anti-phase each other for complementary PWM signals input is multi resonant self-excitation Oscillating circuit, multi resonant self-maintained circuit include：

First triode Q5, its grounded emitter and is in series with resistance R0, simultaneously between rectifier bridge Br the second output end The electric capacity C0 in succession and voltage-regulator diode D1, resistance R0 and electric capacity C0 positive pole, voltage-regulator diode D1 negative pole are connected, its current collection Pole is connected with the second pliotron Q2 base stage, and its colelctor electrode is also in series with first resistor R1 between resistance R0, its base The second electric capacity C2 is connected between pole and the first pliotron Q1 base stage, and its base stage is also in series between resistance R0 Three resistance R3；

Second triode Q6, the first electric capacity C1, and its base stage are in series between its base stage and the first triode Q5 colelctor electrodes Second resistance R2 is also in series between resistance R0, its grounded emitter, its colelctor electrode and the first pliotron Q1 base stage It is connected, its colelctor electrode is also in series with the 4th resistance R4 between resistance R0.

Operation principle of the present utility model is：Major loop input connects AC220v AC networks, inputs sinusoidal ac It is changed into the Rectified alternating current of half cycles after rectified bridge Br rectifications, when the voltage of Rectified alternating current rises to LED strip in LED string Cut-in voltage when, if the now PWM (pulse width modulation) of the first pliotron Q1 (the second pliotron Q2) base stage Signal is in high level, then the first pliotron Q1 (the second pliotron Q2) is turned on, and current path is provided for LED, when Current path is to below the cut-in voltage of LED strip or the first pliotron Q1 (the second pliotron Q2) base stage pwm signal In when being low level, the first pliotron Q1 (the second pliotron Q2) cut-offs, LED current path, the first work(are cut off Rate triode Q1 and the pwm signal of the second pliotron Q2 base stages are anti-phase each other, namely in input voltage higher than LED's During conducting voltage, the first pliotron Q1 and the second pliotron Q2 are turned in turn, the first pliotron Q1 and Second pliotron Q2 power consumption with the situation of a triode by relative to only reducing 50%.

The constant current function of the technical program realized by output current controlling of sampling loop, when the output current in loop with When the rise of input voltage and rising, the pressure drop on sampling resistor Rs also rises therewith, when the pressure drop on sampling resistor Rs reaches To the voltage needed for the first current control triode Q3 (the second current control triode Q4) conductings, the first current control triode Q3 (the second current control triode Q4) is begun to turn on, the first pliotron Q1 (the second pliotron Q2) base of major loop Electrode current is shunted and reduced by the first current control triode Q3 (the second current control triode Q4) colelctor electrode, so that first Pliotron Q1 (the second pliotron Q2) collector current reduces, and major loop LED current is limited at setting value.

It should be noted that simply preferred embodiment of the present utility model described above, the utility model not office It is limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, it is new should all belongs to this practicality The protection domain of type.

Claims

A kind of 1. Emulational rattan egg shell lampshade string, it is characterised in that：Including flexible stent, winding or bind round the LED in flexible stent String, electric adhesive plaster and feel glue, some emulation cane leaves are provided with the flexible stent or emulation flower, electric adhesive plaster are wrapped in LED The outer surface of lamp string and flexible stent, electric adhesive plaster outside are applied as Emulational rattan cortex, the LED string by the feel glue It is made up of the LED lamp bead of power line and series connection on the power line, the LED lamp bead is in emulation cane leaves or emulation flower.
A kind of 2. Emulational rattan egg shell lampshade string according to claim 1, it is characterised in that：The flexible stent is plastic cement aluminum steel Or flexible metal line.
A kind of 3. Emulational rattan egg shell lampshade string according to claim 1, it is characterised in that：Also include the drive being connected with power line Dynamic power supply, the driving power include：Major loop, the major loop include the rectifier bridge (Br) of input connection AC network, rectification Bridge (Br) has two output ends, its first output head grounding；First pliotron (Q1), the first pliotron (Q1) base stage It is connected by the first biasing resistor (Rb1) with the second output end of rectifier bridge (Br), colelctor electrode is connected with LED string output end, Emitter stage is by connecting a sampling resistor (Rs) ground connection；Second pliotron (Q2), the second pliotron (Q2) base stage are led to The second output end that the second biasing resistor (Rb2) is crossed with rectifier bridge (Br) is connected, and colelctor electrode is connected with LED string output end, hair Emitter-base bandgap grading is grounded by connecting sampling resistor (Rs)；Output current controlling of sampling loop, output current controlling of sampling loop include：The One current control triode (Q3), its colelctor electrode are connected with the base stage of the first pliotron (Q1), and its base stage is adopted by connection Sample resistance (Rs) is grounded, its grounded emitter；Second current control triode (Q4), its colelctor electrode and the second pliotron (Q2) base stage is connected, and its base stage is grounded by connecting sampling resistor (Rs), its grounded emitter；Complementary PWM signals input, Pwm signal anti-phase each other is inputted for external circuit, there is two inputs, its first input end and the first pliotron (Q1) base stage is connected, and its second input is connected with the base stage of the second pliotron (Q2).
A kind of 4. Emulational rattan egg shell lampshade string according to claim 3, it is characterised in that：For for the complementary PWM signals The external circuit that input provides pwm signal anti-phase each other is multi resonant self-maintained circuit.
A kind of 5. Emulational rattan egg shell lampshade string according to claim 4, it is characterised in that：The multi resonant self-maintained circuit bag Include：First triode (Q5), (Q5) grounded emitter of the first triode and connects between the second output end of rectifier bridge (Br) Positive pole, the pole of voltage stabilizing two of the electric capacity (C0) for having resistance (R0) and ining succession and voltage-regulator diode (D1), resistance (R0) and electric capacity (C0) Manage the negative pole connection of (D1), its colelctor electrode is connected with the base stage of the second pliotron (Q2), and its colelctor electrode also with resistance (R0) first resistor (R1) is in series between, the second electric capacity is connected between its base stage and the base stage of the first pliotron (Q1) (C2), and its base stage is also in series with 3rd resistor (R3) between resistance (R0)；Second triode (Q6), the second triode (Q6) The first electric capacity (C1) is in series between base stage and the first triode (Q5) colelctor electrode, and its base stage is also connected between resistance (R0) There are second resistance (R2), its grounded emitter, its colelctor electrode is connected with the base stage of the first pliotron (Q1), and its colelctor electrode is also The 4th resistance (R4) is in series between resistance (R0).