CN206419729U - A kind of convenient installation Tree-type light structure - Google Patents

Abstract

The utility model discloses a kind of convenient installation Tree-type light structure, including base, trunk, branch, driving power supply and some LED lights fibre flower, the trunk is fixed on base and the driving power supply is installed in base, the branch has several and asymmetric distribution is on the outside of trunk, LED light fibre flower includes LED lamp bead, multiple petal and multifiber pistils, multiple petals surround semi-open florid ornamentation in Chinese opera singing, the multifiber pistil is uniformly distributed in the florid ornamentation in Chinese opera singing, LED lamp bead is located in florid ornamentation in Chinese opera singing and fixed with the bottom of optical fiber pistil, the top of the optical fiber pistil is provided with crystal pearl.The utility model tree lamp grows bud in branch end, then using LED lamp bead, petal and pistil composition bud, and the light that LED lamp bead is sent is conducted to the crystal pearl on top by optical fiber pistil, and bright effect of shadow is given out using the polycrystalline surface of crystal pearl.

Description

A kind of convenient installation Tree-type light structure

Technical field

The utility model is related to tree lamp, especially a kind of convenient installation Tree-type light structure.

Background technology

Existing Tree-type light structure is usually to weld that lamp string is distributed with spray, spray in the end of branch, and welding spray is not Only inefficiency, and profile is ugly.Therefore, how to build a kind of is people in the art more efficiently with tree lamp attractive in appearance Member's technical problem urgently to be resolved hurrily.

In addition, traditional tree 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 is connected with LED, because LED forward drop keeps constant, therefore when input voltage fluctuation, three poles The partial pressure of pipe can be fluctuated therewith, therefore the power consumption of triode can change with the fluctuation of power supply.In order to further reduce cost and carry High life, many circuits are filtered after rectification without electrochemical capacitor, so the voltage pulsation of input can be made very big, A kind of flickering situation is presented when causing branch end LED to light；Triode will bear to exceed LED conducting voltages simultaneously Partial voltage, when LED number of series connection is less, triode consumption power it is very big, caloric value is huge, circuit it is reliable Property and security by strong influence, cause the universal lost of life of tree lamp on the market, be replaced as frequently as lamp string, bring greatly Inconvenience and waste.

Utility model content

In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of convenient installation Tree-type light structure.

The utility model solve technical scheme that its technical problem used for：

A kind of convenient installation Tree-type light structure, including base, trunk, branch, the spray for distribution LED lamp string and spiral shell Bolt, the trunk is fixed on base, and the branch has several and asymmetric distribution is on the outside of trunk, and the branch is tubulose knot Structure is inserted inside it for spray, and branch side offers screw, the bolt match somebody with somebody with screw merge put in inside branch with For extruding and locking spray.

The convenient installation Tree-type light structure also includes driving power supply, master-slave socket, and the master-slave socket one end passes through power line It is connected with driving power supply, the other end is used to connect the LED string on the spray.

The driving power supply includes：Major loop, the major loop includes the rectifier bridge that input connects AC network（Br）, it is whole Flow bridge（Br）With two output ends, its first output head grounding；First pliotron（Q1）, the first pliotron（Q1）Base Pole passes through the first biasing resistor（Rb1）With rectifier bridge（Br）The connection of the second output end, colelctor electrode and LED string output end phase Even, 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）With rectifier bridge（Br）The connection of the second output end, colelctor electrode is connected with LED string output end, Emitter stage is by connecting sampling resistor（Rs）Ground connection；Output current controlling of sampling loop, output current controlling of sampling loop includes： First current control triode（Q3）, its colelctor electrode and the first pliotron（Q1）Base stage be connected, its base stage pass through connection Sampling resistor（Rs）Ground connection, its grounded emitter；Second current control triode（Q4）, its colelctor electrode and the second pliotron （Q2）Base stage be connected, its base stage is by connecting sampling resistor（Rs）Ground connection, its grounded emitter；Complementary PWM signals input, Pwm signal anti-phase each other, with two inputs, its first input end and the first pliotron are inputted for external circuit （Q1）Base stage be connected, its second input and the second pliotron（Q2）Base stage be connected.

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）, the first triode（Q5）Grounded emitter and with Rectifier bridge（Br）The second output end between be in series with resistance（R0）And the electric capacity ined succession（C0）With voltage-regulator diode（D1）, electricity Resistance（R0）With electric capacity（C0）Positive pole, voltage-regulator diode（D1）Negative pole connection, its colelctor electrode and the second pliotron（Q2） Base stage be connected, and its colelctor electrode also with resistance（R0）Between be in series with first resistor（R1）, its base stage and the pole of the first power three Pipe（Q1）Base stage between be connected with the second electric capacity（C2）, and its base stage also with resistance（R0）Between be in series with 3rd resistor （R3）；Second triode（Q6）, the second triode（Q6）Base stage and the first triode（Q5）The first electricity is in series between colelctor electrode Hold（C1）, and its base stage also with resistance（R0）Between be in series with second resistance（R2）, its grounded emitter, its colelctor electrode and first Pliotron（Q1）Base stage be connected, its colelctor electrode also with resistance（R0）Between be in series with the 4th resistance（R4）.

The beneficial effect that the utility model is brought has：

The utility model tree lamp is put in inside branch for extruding and lock with merging by bolt and the screw on branch Tight spray, it is possible to achieve tree lamp and the quick assembly and disassembly of its spray, especially changes rapider during spray.

In addition, the driving power supply of the utility model tree lamp controls two pliotrons to turn in turn using pwm signal, altogether It is all that LED string provides current path, while power output is ensured, the power consumption of single triode is substantially reduced, and is improved Power-efficient, reduces heating, adds the security performance of tree lamp；No electrolytic capacitor, cost is still very low, while service life It is longer.

Brief description of the drawings

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

Fig. 1 is the product structure figure of the utility model tree lamp；

Fig. 2 is the partial schematic diagram of the utility model tree lamp；

Fig. 3 is the driving power supply circuit theory diagrams of the utility model tree lamp；

Fig. 4 is the driving power supply circuit embodiments figure of the utility model tree lamp.

Embodiment

Be a kind of convenient installation Tree-type light structure of the present utility model shown in reference picture 1- Fig. 2, including base 10, trunk 20, Branch 30, the spray for distribution LED lamp string and bolt 40, the trunk 20 are fixed on base 10, and the branch 30 has Several and asymmetric distribution in the outside of trunk 20, the branch 30 be tubular structure so that spray is inserted inside it, and branch 30 Side offers screw, and the bolt 40 matches somebody with somebody to merge with screw to be put in for extruding and locking spray inside branch 30, can be with Tree lamp and the quick assembly and disassembly of its spray are realized, especially changes rapider during spray.

In addition, the convenient installation Tree-type light structure also includes driving power supply, master-slave socket 40, the one end of master-slave socket 50 leads to Cross power line to be connected with driving power supply, the other end is used to connect the LED string on the spray, can be more using master-slave socket 50 Plus convenient installation and removal LED string, it is to avoid a cluster of lamps, ornamental is bad and influences the work of whole tree lamp.

As another inventive point of the technical program, as shown in figure 3, the driving power supply of the utility model tree lamp 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 is 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 passes 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 is 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, with two inputs, and 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 4, 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 includes：

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 ined 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, is in series with the first electric capacity C1, and its base stage 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 now the first pliotron Q1（Second pliotron Q2）The PWM of base stage（Pulse width modulation） Signal is in high level, then the first pliotron Q1（Second pliotron Q2）Conducting, current path is provided for LED, when Current path is to below the cut-in voltage of LED strip or the first pliotron Q1（Second pliotron Q2）Base stage pwm signal In when being low level, the first pliotron Q1（Second pliotron Q2）Cut-off, cuts off LED current path, the first work( 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 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 first current control triode Q3（Second current control triode Q4）Voltage needed for conducting, the first current control triode Q3（Second current control triode Q4）Begin to turn on, the first pliotron Q1 of major loop（Second pliotron Q2）Base Electrode current is by the first current control triode Q3（Second current control triode Q4）Colelctor electrode is shunted and reduced, so that first Pliotron Q1（Second pliotron Q2）Collector current reduce, 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, should all belongs to this practicality new The protection domain of type.

Claims (5)

1. a kind of convenient installation Tree-type light structure, it is characterised in that：Including base, trunk, branch, the flower for distribution LED lamp string Branch and bolt, the trunk are fixed on base, and the branch has several and asymmetric distribution is on the outside of trunk, the branch For tubular structure so that spray is inserted inside it, and branch side offers screw, and the bolt matches somebody with somebody to merge with screw puts in tree Branch is internal for extruding and lock spray.

2. a kind of convenient installation Tree-type light structure according to claim 1, it is characterised in that：

Also include driving power supply, master-slave socket, the master-slave socket one end is connected by power line with driving power supply, and the other end is used for Connect the LED string on the spray.

3. a kind of convenient installation Tree-type light structure according to claim 2, it is characterised in that：

The driving power supply includes：Major loop, the major loop includes the rectifier bridge that input connects AC network（Br）, rectifier bridge （Br）With two output ends, its first output head grounding；First pliotron（Q1）, the first pliotron（Q1）Base stage is led to Cross the first biasing resistor（Rb1）With rectifier bridge（Br）The connection of the second output end, colelctor electrode is connected with LED string output end, hair Emitter-base bandgap grading is by connecting a sampling resistor（Rs）Ground connection；Second pliotron（Q2）, the second pliotron（Q2）Base stage passes through Second biasing resistor（Rb2）With rectifier bridge（Br）The connection of the second output end, colelctor electrode is connected with LED string output end, transmitting Pole is by connecting sampling resistor（Rs）Ground connection；Output current controlling of sampling loop, output current controlling of sampling loop includes：First Current control triode（Q3）, its colelctor electrode and the first pliotron（Q1）Base stage be connected, its base stage pass through connect sampling Resistance（Rs）Ground connection, its grounded emitter；Second current control triode（Q4）, its colelctor electrode and the second pliotron（Q2） Base stage be connected, its base stage is by connecting sampling resistor（Rs）Ground connection, its grounded emitter；Complementary PWM signals input, is used for External circuit inputs pwm signal anti-phase each other, with two inputs, its first input end and the first pliotron（Q1）'s Base stage is connected, its second input and the second pliotron（Q2）Base stage be connected.

4. a kind of convenient installation Tree-type light structure according to claim 3, it is characterised in that：For believing for the complementary PWM The external circuit that number input provides pwm signal anti-phase each other is multi resonant self-maintained circuit.

5. a kind of convenient installation Tree-type light structure according to claim 4, it is characterised in that：The multi resonant self-maintained circuit Including：First triode（Q5）, the first triode（Q5）Grounded emitter and and rectifier bridge（Br）The second output end between go here and there It is associated with resistance（R0）And the electric capacity ined succession（C0）With voltage-regulator diode（D1）, resistance（R0）With electric capacity（C0）Positive pole, voltage stabilizing two Pole pipe（D1）Negative pole connection, its colelctor electrode and the second pliotron（Q2）Base stage be connected, and its colelctor electrode also with resistance （R0）Between be in series with first resistor（R1）, its base stage and the first pliotron（Q1）Base stage between be connected with the second electric capacity （C2）, and its base stage also with resistance（R0）Between be in series with 3rd resistor（R3）；Second triode（Q6）, the second triode（Q6） Base stage and the first triode（Q5）The first electric capacity is in series between colelctor electrode（C1）, and its base stage also with resistance（R0）Between connect There is second resistance（R2）, its grounded emitter, its colelctor electrode and the first pliotron（Q1）Base stage be connected, its colelctor electrode is also With resistance（R0）Between be in series with the 4th resistance（R4）.