CN202733748U

CN202733748U - Multifunctional LED (Light-emitting Diode) light tube

Info

Publication number: CN202733748U
Application number: CN2012203324687U
Authority: CN
Inventors: 柯建锋
Original assignee: ZHEJIANG SHANGGUANG LIGHTING CO Ltd
Current assignee: ZHEJIANG SHANGGUANG LIGHTING CO Ltd
Priority date: 2012-07-03
Filing date: 2012-07-03
Publication date: 2013-02-13
Anticipated expiration: 2022-07-03

Abstract

The utility model relates to a multifunctional LED (Light-Emitting Diode) light tube, which belongs to the technical field of a lighting device. The multifunctional LED light tube comprises a tube body, a light bar and a driving device, wherein the light bar is arranged in the tube body and contains an LED module, and the driving device is connected with the LED module. A rechargeable battery pack, a voltage booster circuit and a control circuit are also arranged in the tube body, and the control circuit collects output signals of the driving device and carries out the connection and disconnection between the voltage booster circuit and the rechargeable battery pack. The rechargeable battery pack and the control circuit is connected with the output end of the driving device, the rechargeable battery pack is also connected with the voltage booster circuit through the control circuit, and the output end of the voltage booster circuit is connected with the LED module. The multifunctional LED light tube with the structure can emit light when a power grid is powered on, and can automatically turn into emergency lighting when the power grid is powered off. The multifunctional LED light tube can be installed in any room to light like a daylight lamp not to influence the tidiness and harmoniousness of sites.

Description

The Multifunctional LED fluorescent tube

Technical field

The utility model relates to a kind of lighting device, particularly a kind of Multifunctional LED fluorescent tube that is contained on the room lighting circuit.

Background technology

Existing LED fluorescent tube mainly is made of the drive unit between the light cover at body, body two ends, the lamp bar that places tube cavity, the lamp base that is connected to light cover and the lamp bar, the housing that its middle tube body is made by aluminum alloy materials and the PC cover that is fixed on the housing form, and on July 13rd, 2011 done disclosure to the LED fluorescent tube of said structure by Chinese invention patent CN102121615A specification.This class LED fluorescent tube is done illumination and is used when electrical network has electricity, and when electrical network interrupts supply of electric power, loses luminous lighting function.Thereby in the area of power supply shortage, also need be equipped with to be beneficial to safe emergency light.And this class emergency light volume is larger, can take certain bulk, bring impact for neat, the coordination of room, corridor, meeting-place, public place of entertainment, nor may there be Place for people that emergency light all is set at each, thereby after electrical network has a power failure suddenly, will make troubles to people's study, work, life.

Summary of the invention

For the existing problem of above-mentioned prior art, can luminous lighting when the purpose of this utility model is to be provided at electrical network electricity is arranged, when having a power failure, can be automatically converted to a kind of Multifunctional LED fluorescent tube of emergency lighting.

Technical solution of the present utility model is: a kind of Multifunctional LED fluorescent tube, comprise a body, be located at a lamp bar and a drive unit of comprising the LED module in the body, the first dc output end of described drive unit is connected with the LED module, drive unit also has the second dc output end, described body contains an emergency set, this emergency set has a rechargeable battery set, booster circuit and gather drive unit the second dc output end output signal and implement being connected between booster circuit and the rechargeable battery set, a control circuit that disconnects, described rechargeable battery set and control circuit link to each other with the second dc output end of drive unit, rechargeable battery set also can link to each other with booster circuit by control circuit, the output termination LED module of booster circuit.During work, when civil power is arranged, drive unit work is given the power supply of LED module, luminous lighting, simultaneously, the output of drive unit the second dc output end, not only to rechargeable battery set charging, and control circuit is when collecting drive unit from drive unit the second dc output end the signal of output is arranged, namely implement the disconnection between booster circuit and the rechargeable battery set, booster circuit is not worked without electricity; When grid power blackout or cut-out civil power, drive unit dead electricity no-output, control circuit is because collecting the idle signal value of zero of drive unit, implement the connection between booster circuit and the rechargeable battery set, booster circuit gets electric work, the DC current of stable output, driving LED module luminous lighting.

Described control circuit has a sample circuit that is composed in series by resistance R 1 and resistance R 2, and it is connected between drive unit the second dc output end B and the ground end, and the dividing point A of sample circuit is connected with the base stage of the first triode Q1, becomes the control end of this circuit; The colelctor electrode of the first triode Q1 is connected on drive unit the second dc output end B by collector resistance R3 and reversal connection diode D1, is connected a capacitor C 1 between the contact of collector resistance R3 and reversal connection diode D1 and ground end; The base stage that connects the second triode Q2 at the colelctor electrode of the first triode Q1, the colelctor electrode of this second triode Q2 is connected by a relay J 1 and rechargeable battery set are anodal, the minus earth end of rechargeable battery set, relay J 1 moving contact connects the rechargeable battery set positive pole, normally opened contact J1-1 is connected with the booster circuit voltage input end, the emitter stage of the first triode Q1 and the second triode Q2 joins with the ground end, and the colelctor electrode of the first triode Q1 is connected with the booster circuit input by resistance R 4, voltage-stabiliser tube W1.When about the input voltage signal of control end is by 0.7V, becoming null value, the first triode Q1 does not work, the electric charge of accumulation on the capacitor C 1, by resistance R 3, the base of the second triode Q2 is penetrated level, the ground discharge, the second triode transfers conducting to by cut-off, relay J 1 adhesive, normally open contact J1-1 is closed, rechargeable battery set is anodal to be communicated with the booster circuit output, rechargeable battery set is by the normally opened contact of relay J 1 closure simultaneously, voltage-stabiliser tube W1 resistance R 4 is kept electric current for the lasting conducting of the second triode Q2 provides, thereby booster circuit gets electric work, the stable output DC current, and the LED module drives the luminous booster circuit that transfers to by drive unit and drives luminous lighting.

After adopting said structure, owing in body, be provided with by rechargeable battery set, booster circuit and gather drive unit the second direct-flow output signal and implement the emergency set that control circuit that booster circuit is connected, disconnects with rechargeable battery set consists of, when civil power is arranged, drive unit provides the stable DC electricity and luminous lighting not only for the LED module, give again simultaneously the rechargeable battery charging energy-storing, and control circuit there is the output signal situation to implement disconnection between booster circuit and the rechargeable battery set to collecting drive unit; At grid power blackout, or switch cuts off when being electrically connected with the city, passes through control circuit, rechargeable battery is communicated with booster circuit, and booster circuit work provides the stable DC electricity for the LED module, make the LED module continue luminous lighting, thereby brought convenience for people's study, life and safety.In addition, this LED fluorescent tube can adopt the lamp base on the light cover of body two ends to connect respectively the civil power two ends, also can connect civil power by two lamp bases on the same end light cover of body, uses installation very convenient.

Description of drawings

Fig. 1 is that figure cuts open in the utility model Multifunctional LED lamp tube structure office.

Fig. 2 is that Fig. 1 is along the amplification view of A-A line.

Fig. 3 is the utility model theory diagram.

Fig. 4 is a kind of physical circuit example of the utility model.

The specific embodiment

Such as Fig. 1, shown in Figure 2, the Multifunctional LED fluorescent tube comprises a body 7, the tubular shell 11 that this body is made by aluminum alloy materials, and the milky PC cover 12 that is fixed on the housing forms, and the two ends of body 7 are fixed with respectively light cover 8, and two lamp bases 9 are arranged on each light cover.

Housing 11 at body 7 is connected with a lamp bar 10, this lamp bar 10 by aluminium base 13, be located at aluminium base the LED module 1 on the circuit of front and consist of, this LED module is that seven elements are a string, multi-series and parallel connects integrated.Aluminium base 13 the back side and housing 8 fit, and are convenient to by aluminium base the transmission of heat by contact with the housing binding face, and the heat that aluminium base upper LED produces is dispersed rapidly.

Drive unit 2 and emergency set are arranged in the cavity of housing 8, and wherein emergency set has 5, one control circuits 3 of a rechargeable battery set and a booster circuit 4.Drive unit 2, control circuit 3 and booster circuit 4 can be located on the printed circuit board, are with an insulating coating 6 outside it.

Fig. 3 is the theory diagram of Multifunctional LED fluorescent tube.Among the figure, LED module 1 on the lamp bar 10 links to each other with drive unit 2 outputs, the second dc output end of drive unit 2 is connected with rechargeable battery set 5 and control circuit 3 respectively, and rechargeable battery set 5 can be communicated with booster circuit 4 by control circuit 3, and the output of booster circuit 4 is connected on the LED module 1.When drive unit 2 gets electric work, LED module 1 obtains to drive direct current and luminous lighting, drive unit 2 second direct currents are exported to rechargeable battery set 5 charging energy-storings simultaneously, and when making 3 pairs of control circuits collect signal output from drive unit the second dc output end, namely implement the disconnection that is connected between booster circuit 4 and the rechargeable battery set, booster circuit 4 is not worked.When drive unit 2 is not worked because having a power failure, LED module 1 is not luminous, but at this moment control circuit 3 is implemented booster circuit 4 and is communicated with rechargeable battery set 5 also because the signal voltage that gathers is zero-bit, booster circuit 4 gets electric stable output DC current, and driving LED module 1 continues luminous lighting.

Fig. 4 is that the utility model is according to a kind of physical circuit example of above-mentioned principle design.Among the figure, be emergency set in the figure lower box, wherein control circuit 3 has resistance R 1 and resistance 2 is composed in series a sample circuit, it is connected between the second dc output end B and ground end of drive unit, the dividing point A of sample circuit is connected with the base stage of the first triode Q1, becomes the control end of this circuit; The first triode Q1 colelctor electrode is connected on the second dc output end B of drive unit by collector resistance R3 and reversal connection diode D1, between the contact of collector resistance R3 and reversal connection diode D1 and ground end, be connected a capacitor C 1, the base stage of the second triode Q2 is connected on the colelctor electrode of the first triode Q1, the colelctor electrode of this second triode Q2 is by a relay J 1 and 5 anodal connections of rechargeable battery set, the minus earth end of rechargeable battery set, relay J 1 moving contact is connected on the rechargeable battery set positive pole, its normally opened contact J1-1 is connected with the voltage input end input of booster circuit 4, the emitter stage of the first triode Q1 and the second triode Q2 with holding with being connected on, and the colelctor electrode of the first triode Q1 is by resistance R 4, voltage-stabiliser tube W1 is connected with the input input of booster circuit 4.When the voltage about control end input 0.7V, the first triode Q1 saturation conduction, collector voltage is bordering on zero, capacitor C 1 is recharged, both end voltage raises, the second triode Q2 because of base, to penetrate junction voltage be zero place's cut-off state, relay J 1 is failure to actuate, and is not connected between booster circuit 4 and the rechargeable battery 5.When drive unit during because of the power failure no-output, the input signal of control circuit control end is zero, first, two triode Q1, Q2 does not all work, the electric charge that is accumulated on the capacitor C 1 passes through electronics R3, R4, the base-emitter of voltage-stabiliser tube W1 and the second triode discharges to the ground end, the second triode Q2 conducting, the collector current of the second triode Q2 is by the positive pole of rechargeable battery set 5, through relay J 1 coil, the second triode Q2 flows to rechargeable battery set 5 negative poles, relay J 1 adhesive, moving contact and normally opened contact J1-1 are closed, rechargeable battery set 5 is connected with booster circuit 4 input input, rechargeable battery set 5 is by closed normally opened contact J1-1 simultaneously, voltage-stabiliser tube W1, resistance R 4 is kept electric current for the lasting conducting of the second triode Q2 provides, thus booster circuit 4 electric work, stable output DC powered LED module luminous lighting.

Above-mentioned rechargeable battery set can combine with No. five Ni-MH batteries of five～six joints, and it is connected with current-limiting resistance R5, is connected between drive unit 2 second dc output end B and the ground end.For eliminating rechargeable battery set to the sample circuit of control circuit 3 and the impact of front stage circuits, between the contact of the contact of rechargeable battery set 5 and relay J 1 and resistance R 1 and diode D2, go here and there a reversal connection diode D3.

Above-mentioned booster circuit 4 is conventional circuit, and its circuit has adopted the GS3566 chip.Certainly also can adopt similar chip circuit.The output OUT of booster circuit chip joins by the electric current input anode of resistance R 7, R8 and the LED module 1 of voltage-stabiliser tube W4, diode D6 and mutual parallel connection, and the input negative terminal of LED module 1 and the GND of the chip that boosts end are with being connected on the ground end of circuit.

Above-mentioned drive unit 2 is common on-off circuit, in order to reduce loss, stable output has two groups of secondary windings at switch transformer T, wherein the alternating voltage at one group of secondary windings NS1 two ends is higher, and the direct driving LED module of its DC current of stable output behind rectifying and wave-filtering is luminous; And the alternating voltage at another secondary windings NS2 two ends is lower, and it exports steady direct current for emergent device behind rectifying and wave-filtering.

Claims

1. Multifunctional LED fluorescent tube, comprise a body (7), be located at a lamp bar (10) that comprises LED module (1) in the body, a drive unit (2), the first dc output end of drive unit is connected with the LED module, it is characterized in that: described drive unit (2) has the second dc output end B, described body (7) contains an emergency set, this emergency set has a rechargeable battery set (5), a booster circuit (4) and gather drive unit the second direct-flow output signal and implement and be connected between booster circuit (4) and the rechargeable battery set (5), a control circuit (3) that disconnects, described rechargeable battery set (5) and control circuit (3) link to each other with the second dc output end B of drive unit (2), rechargeable battery set (5) also can be connected with booster circuit (4) by control circuit (3), the output termination LED module (1) of booster circuit (4).

2. Multifunctional LED fluorescent tube according to claim 1, it is characterized in that: control circuit (3) has the sample circuit that resistance R 1 and resistance R 2 are composed in series, it is connected between drive unit (2) second dc output end B and the ground end, the dividing point A of sample circuit is connected with the base stage of the first triode Q1, becomes the control end of this circuit; The colelctor electrode of the first triode Q1 is connected on drive unit (2) the second dc output end B by collector resistance R3 and reversal connection diode D1, connects a capacitor C 1 between the contact of collector resistance R3 and reversal connection diode D1 and ground end; The base stage that connects the second triode Q2 at the colelctor electrode of the first triode Q1, the colelctor electrode of this second triode Q2 is connected by a relay J 1 and rechargeable battery set (5) are anodal, rechargeable battery set (5) minus earth end, relay J 1 moving contact connects rechargeable battery set (5) positive pole, its normally opened contact J1-1 is connected with booster circuit (4) voltage input end input, the emitter stage of the first triode Q1 emitter stage and the second triode Q2 is with joining with the ground end, and the colelctor electrode of the first triode Q1 is by resistance R 4, voltage-stabiliser tube W1 is connected with the input input of booster circuit (4), when about the input voltage signal of control end is by 0.7V, becoming null value, the electric charge of capacitor C 1 accumulation is by resistance R 3, the second triode Q2 base-emitter, the ground discharge, the second triode Q2 transfers conducting to by cut-off, relay J 1 adhesive, normally open contact J1-1 is closed, rechargeable battery set (5) is anodal to be communicated with the input input of booster circuit (4), simultaneously, rechargeable battery set (5) is by relay J 1 closed normally opened contact, voltage-stabiliser tube W1, resistance R 4 is kept electric current for the lasting conducting of the second triode Q2 provides, booster circuit (4) gets electric work, and its output is transferred to by no-output the output of stable DC electric current.

3. Multifunctional LED fluorescent tube according to claim 2 is characterized in that: a reversal connection diode D3 connects between the contact of the contact of rechargeable battery set (5) and relay J I and resistance R 1 and diode D2.