CN205987479U

CN205987479U - LED lamp decoration

Info

Publication number: CN205987479U
Application number: CN201621010150.1U
Authority: CN
Inventors: 罗恒; 欧阳山西
Original assignee: Shunde Vocational and Technical College
Current assignee: Shunde Vocational and Technical College; Shunde Polytechnic
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-02-22
Anticipated expiration: 2026-08-31

Abstract

The utility model relates to a LED lamp decoration, including LED emitting diode, power cord, controller, LED drive circuit, still include DC power supply, direct current boost circuit, the controller is connected with DC power supply, direct current boost circuit, LED emitting diode, LED drive circuit electricity respectively. The utility model discloses a direct current boost circuit supply power to LED to have small in size, advantage safe in utilization.

Description

LED is adornd

Technical field

This utility model is related to a kind of LED decorations.

Background technology

With the development of LED technology, electric filament lamp will gradually be eliminated, and it is new that green energy conservation illumination more becomes illuminating industry Dote on, LED lamp, as light source of new generation, has the advantages that specular removal, low energy consumption, life-span length and safety are good, obtains in lighting field Arrive commonly used, at present, LED is as power supply mostly using civil power, and they may replace electric filament lamp as family Lighting source.However, in daily life, compact, wider application will be had with the LED of direct current supply decorations, such as How DC source adorns power supply to LED, and this is problem currently anxious to be resolved.

Utility model content

This utility model aims to high energy consumption existing for above-mentioned prior art, bulky technical problem, provides The LED decorations that a kind of use DC source is powered, to overcome the deficiencies in the prior art.

This utility model solves its technical problem and be employed technical scheme comprise that：Including LED light emitting diode, power line, Controller, LED drive circuit, also include DC source, DC voltage booster circuit, described controller respectively with DC source, direct current Booster circuit, LED light emitting diode, LED drive circuit electrical connection.

DC voltage booster circuit include chip controls program, charged in parallel series boosting circuit, voltage detecting supervisory circuit, Pwm circuit；The DC boosting electricity that described charged in parallel series boosting circuit is made up of diode, electric capacity, boosting grammed switch Road, DC voltage booster circuit controls break-make by grammed switch；That described pwm circuit is made up of pliotron and filter capacitor, And by programme-control audion break-make, to realize the adjustable mu balanced circuit of output frequency.

Described chip controls program includes hardware single-chip microcomputer, and described single-chip microcomputer has multiple A/D change-over circuit ports.

Described voltage detecting supervisory circuit, the DC voltage testing circuit being made up of a plurality of resistance and single-chip microcomputer, and By program read voltage information.

Described charged in parallel series boosting circuit include by diode and capacitive series branch D1 and C1, D2 and C2, D3 and C3 forms charged in parallel circuit, and described boosting grammed switch includes two groups of program control synchro switches, first group of program control synchro switch K1, K2 is connected between three electric capacity, and second group of program control synchro switch connects the negative terminal of C1 and C3, the negative terminal of C2 and C3 respectively, Two groups of program control synchro switches are not closed at.

The beneficial effects of the utility model are as follows：

This utility model is powered to LED by DC voltage booster circuit, and has the advantages that compact, using safety.

DC voltage booster circuit of the present utility model eliminates inductance or transformator, employs capacitor and carries out parallel connection and fills Electricity, the then circuit structure of series boosting again, eliminate inductance or the transformator of heaviness, save cost.

Brief description

Fig. 1 adorns schematic block circuit diagram for this utility model LED.

The DC voltage booster circuit figure that Fig. 2 adorns for this utility model LED.

The structural representation that Fig. 3 adorns for this utility model LED.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng The embodiment examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.

As Figure 1-3：LED decorations of the present utility model, drive including LED light emitting diode, power line, controller, LED Galvanic electricity road, also includes DC source, DC voltage booster circuit, described controller respectively with DC source, DC voltage booster circuit, LED Light emitting diode, LED drive circuit electrical connection.It is the Holiday lamp panel of a employing technical solutions of the utility model shown in Fig. 3, DC source（As battery）It is placed in control box, control box arranges switch 11, setting controller and each in control box Circuit, the power line 13 of lamp bar is drawn in control box, and is serially connected with multiple lamp bead 12, is LED light emitting diode in lamp bead.

DC voltage booster circuit include chip controls program, charged in parallel series boosting circuit 1, voltage detecting supervisory circuit 2, Pwm circuit 3.Described chip controls program includes hardware single-chip microcomputer, and this single-chip microcomputer must have multiple A/D（Analog/digital）Turn Change circuit port.The DC voltage booster circuit that described charged in parallel booster circuit is made up of diode, electric capacity, grammed switch, and By the break-make of grammed switch, to realize the purpose of DC boosting.Described voltage detecting supervisory circuit, is by a plurality of resistance and list The DC voltage testing circuit of piece machine composition, and by program read voltage information, to realize detecting and whether to monitor input voltage Normal purpose.Described pwm circuit is made up of pliotron and filter capacitor, and logical by programme-control audion Disconnected, to realize the adjustable circuit of output frequency.

Multigroup diode and capacitive series branch（D1 and C1, D2 and C2, D3 and C3）Compose in parallel charged in parallel circuit.Open Close（K1 and K2, K3 and K4）Collectively constitute automatic switching circuit with single-chip microcomputer, electric capacity string is automatically converted into by electric capacity charged in parallel The circuit structure of connection boosting, K1 and K2, two groups of K3 and K4 switches on-off by one-chip machine port VK1, VK2 control.It is in parallel Charge and the work process of series boosting is as follows：During charged in parallel, K1 and K2 disconnects, K3 and K4 closes, and BT1 provides unidirectional current Source, passes through D1, D2 and D3 respectively and charges to C1, C2 and C3.After the completion of charged in parallel, by Single Chip Microcomputer (SCM) program control, first from dynamic circuit breaker Open K3 and K4, then automatically close K1 and K2 again.Now, three electric capacity have just been automatically converted into cascaded structure by parallel-connection structure, Realize the purpose of boosting.In figure, the effect of D1, D2 and D3 is：Prevent when electric capacity parallel-connection structure is converted into capacitances in series structure Capacitance short-circuit.K1 and K2 forms one group of switch, K3 and K4 forms one group of switch, and two groups of switches necessarily can not be closed at, but permits Permitted to simultaneously switch off.

Resistance（R1、R2、R3）Form voltage detecting and supervisory circuit with RC1 port.R1 and R2 forms bleeder circuit, and R3 rises Metering function, RC1 connects one-chip machine port.The voltage of output after the voltage on resistance R2 can detect capacitances in series Value, simultaneously by single-chip microcomputer can also monitor booster circuit magnitude of voltage whether normal.

Diode D4 and electric capacity C4 composition charging filter circuit, wherein D4 plays prevents circuit reversely charging electro ultrafiltration.Audion Q1 and electric capacity C5 composition pulse wide voltage-regulation mu balanced circuit, resistance（R5, R6 and R7）The detection supervisory circuit of composition output voltage.Work Process description is as follows：After the boosting of above capacitances in series, D4 charges always to C4, to ensure the supply of power supply.Port B1 with Single-chip microcomputer connects, and controls the break-make of Q1 by single-chip microcomputer it is possible to adjust the turn-on frequency of Q1 switch, defeated to reach scalable Go out the purpose of the dutycycle of voltage, thus realizing adjusting the purpose of output voltage values.Output voltage is filtered by C5 electric capacity And voltage stabilizing.Whether the last output voltage detecting circuit passing through R5, R6, R7 composition again is normal to monitor output voltage.Wherein, RC2 is connected with single-chip microcomputer, detects the size of output voltage values by single-chip microcomputer, simultaneously again the size according to output voltage values Lai Monitoring and the dutycycle adjusting Q1.To realize the stable purpose of output voltage.

K1-K4 switch can select optocoupler, photoswitch or relay etc. according to the needs of application scenario.If selecting to continue The harmony problem of the electrical equipment then life-span of relay to be considered and operating frequency.Tetra- switches of K1-K4 are also all by Single Chip Microcomputer (SCM) program Control, be controlled by VK1-VK4 respectively.Four switches can adopt relay system controlling switch, and optocoupler switch may also be employed Circuit.

While there has been shown and described that embodiment of the present utility model, it will be understood by those within the art that： Multiple changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective And modification, scope of the present utility model is limited by claim and its equivalent, in changing of being made without creative work Enter, should be included within protection domain of the present utility model.

Claims

1.LED lamp decoration, including LED light emitting diode, power line, controller, LED drive circuit it is characterised in that：Also include straight Stream power supply, DC voltage booster circuit, described controller is driven with DC source, DC voltage booster circuit, LED light emitting diode, LED respectively Galvanic electricity road electrically connects.

2. according to claim 1 LED decorations it is characterised in that：Described DC voltage booster circuit include chip controls program and Connection charging series boosting circuit, voltage detecting supervisory circuit, pwm circuit；Described charged in parallel series boosting circuit is by two poles Pipe, electric capacity, the DC voltage booster circuit of boosting grammed switch composition, DC voltage booster circuit controls break-make by grammed switch；Described PWM That circuit is made up of pliotron and filter capacitor and by programme-control audion break-make, adjustable to realize output frequency Mu balanced circuit.

3. according to claim 2 LED decorations it is characterised in that：Described chip controls program includes hardware single-chip microcomputer, described Single-chip microcomputer has multiple A/D change-over circuit ports.

4. according to claim 3 LED decorations it is characterised in that：Described voltage detecting supervisory circuit, is by a plurality of resistance The DC voltage testing circuit forming with single-chip microcomputer, and by program read voltage information.

5. according to claim 2-4 arbitrary described LED decorations it is characterised in that：Described charged in parallel series boosting circuit includes Charged in parallel circuit, described boosting grammed switch bag are formed by diode and capacitive series branch D1 and C1, D2 and C2, D3 and C3 Include two groups of program control synchro switches, first group of program control synchro switch K1, K2 are connected between three electric capacity, second group program control same Step switch connects negative terminal, the negative terminal of C2 and C3 of C1 and C3 respectively, and two groups of program control synchro switches are not closed at.