CN202127529U

CN202127529U - Emergency lighting integrated light-emitting diode (LED) lamp

Info

Publication number: CN202127529U
Application number: CN201120167750XU
Authority: CN
Inventors: 郭小冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-24
Filing date: 2011-05-24
Publication date: 2012-01-25
Anticipated expiration: 2021-05-24

Abstract

The utility model discloses an emergency light integrated light-emitting diode (LED ) lamp, which comprises an LED lamp string, a constant flow source circuit, a battery constant current charging circuit, a mains supply detection and control circuit and a boosted circuit. The mains supply detection and control circuit is respectively connected with the constant flow source circuit, the battery constant current charging circuit and the boosted circuit. The battery constant current charging circuit is connected with the constant flow source circuit, and the constant flow source circuit and the output end of the boosted circuit are connected with the LED lamp string. The circuit structure not only can detect accurately through the mains supply detection and control circuit, but also can obtain fast switching effect, thereby improving sensitivity greatly. Compared with traditional circuits, the circuit has the advantages that each functional part of the circuit is integrally designed and the circuit structure is simple. Furthermore, emergency lighting time is greatly prolonged compared with that of emergency lamps in the market, thereby having good application prospects.

Description

A kind of emergency lighting integrated LED light fixture

Technical field

The utility model relates to the LED field of illuminating lamps, particularly relates to a kind of emergency lighting integrated LED light fixture.

Background technology

The LED lighting is the widely used lighting device of indoor and outdoor, and along with the development of economic society and improving constantly of lighting technology, the function and the range of application of LED lighting also progressively are expanded.

The LED emergency light is a kind of of LED lighting, and it is mainly used in the product institute that market, hospital and underground installation etc. need continuous illumination.The basic functional principle of LED emergency light is under the situation of no civil power; Start function of emergency illumination; The built-in rechargeable battery of the general employing of existing emergency light is that system provides power supply; Having under the situation of civil power for the rechargeable battery charging, under the situation of no civil power, changeing by rechargeable battery is that system supplies power; This just requires the systematic function high efficient and reliable, at present on the market LED emergency light exist mostly the battery operated translative mode sensitivity of civil power not high, detect defectives such as control system complicacy and emergency lighting time is too short.

In view of above-mentioned defective, be necessary the design of existing LED emergence lighting lamp is proposed new improvement.

The utility model content

To the problems referred to above, the utility model provides the emergency lighting integrated LED light fixture that a kind of reliability is high, circuit is simple and the emergency lighting time is long.

The utility model is that the technical scheme that its technical problem of solution is adopted is:

A kind of emergency lighting integrated LED light fixture; Comprise LED lamp string; It is characterized in that: also comprise constant-current source circuit, constant-current charging of battery circuit, city's electro-detection and control circuit and booster circuit; Said city electro-detection and control circuit link to each other with booster circuit with constant-current source circuit, constant-current charging of battery circuit respectively, and said constant-current charging of battery circuit links to each other with constant-current source circuit, and the output of said constant-current source circuit and booster circuit also links to each other with LED lamp string.

As the further improvement to such scheme, said constant-current source circuit is the transformer step-down rectifying circuit.

Further; Said constant-current charging of battery circuit comprises control chip U4, voltage-stabiliser tube D3, inductance L 3, capacitor C 7, C8, C9, C10, resistance R 9, R10 and diode D4, and after said capacitor C 9, C10 were in parallel, an end connected the end of oppisite phase of diode D4; The other end links to each other with the GND end of control chip U4; Said resistance R 9, R10 series connection back are in parallel with capacitor C 7, C8, and an end connects positive terminal and the inductance L 3 of diode D4, and the other end is held with the GND of control chip U4 and linked to each other; The other end of said inductance L 3 and the SE end that is connected to control chip U4 after voltage-stabiliser tube D3 is parallelly connected, the other end of voltage-stabiliser tube D3 links to each other with the GND end of control chip U4.

Further, said city electro-detection and control circuit comprise control chip U3, amplifier comparison module, battery detecting module and control boost module, and said amplifier comparison module, battery detecting module and control boost module all are connected with control chip U3.

Further, said amplifier comparison module comprises operational amplifier U2, resistance R 1, R2, R4, R6, R12, R13, R14, R15, diode D1, D2 and capacitor C 1, after said resistance R 2, R6 and the diode D1 parallel connection; One end is connected to the in-phase input end of operational amplifier U2, and an end is connected to inverting input, after said resistance R 15, R14, the R1 series connection; One end connects civil power, and the in-phase input end of other end concatenation operation amplifier U2 is after said resistance R 12, the R13 series connection; One end connects civil power, and other end ground connection is after said diode D2 and capacitor C 1 parallel connection; One end ground connection, the in-phase input end of other end concatenation operation amplifier U2.

Further, said battery detecting module comprises resistance R 16, R17, capacitor C 17, and said resistance R 16 1 ends connect the constant-current charging of battery circuit; The other end connects the PB1 end of control chip U3; After said resistance R 17 and capacitor C 17 are parallelly connected, an end ground connection, the other end connects the PB1 end of control chip U3.

Further; Said control boost module comprises resistance R 15, capacitor C 3, C15, and said resistance R 15 1 ends are connected to booster circuit, and the other end is connected to the PB0 end of control chip U3; Capacitor C 15 1 ends are connected to booster circuit; The other end is divided into two branch roads, a branch road ground connection, another and the vdd terminal of receiving control chip U3 after capacitor C 3 is connected.

In addition, said booster circuit comprises control chip U5, FET Q1, resistance R 52, R53, R61, R62, R63, R64, diode D10, capacitor C 22, voltage-stabiliser tube ZD11; Said FET Q1 grid connects the DRV end of control chip U5, and drain electrode links to each other with LED lamp string through diode D10, and source electrode links to each other with the CS end of control chip U5; After said resistance R 52, R53 were in parallel, an end was connected to the CS end of control chip U5, other end ground connection; Said capacitor C 22 1 ends link to each other with LED lamp string, other end ground connection, said voltage-stabiliser tube ZD11 one end with link to each other with LED lamp string; The other end and the FB end that is connected to control chip U5 after resistance R 64 is connected; After said resistance R 61, the R62 parallel connection, the FB that an end and resistance R 63 series connection backs are connected control chip U5 holds other end ground connection.

The beneficial effect of the utility model is: the utility model is as a kind of emergency lighting integrated LED light fixture; City's electro-detection and control circuit link to each other with booster circuit with constant-current source circuit, constant-current charging of battery circuit respectively; The constant-current charging of battery circuit links to each other with constant-current source circuit, and the output of constant-current source circuit and booster circuit links to each other with LED lamp string, and city's electro-detection and control circuit employing MDT10P53 single-chip microcomputer; Said city electro-detection and control circuit can effectively detect civil power; Send the result to single-chip microcomputer then, the information that single-chip microcomputer passes through to be transmitted is handled the conversion of accomplishing normal illumination and emergency lighting mode of operation, and the described circuit structure of the utility model can not only accurately detect through electro-detection and control circuit in the city; Can also reach the effect of rapid conversion, sensitivity improves greatly; In addition, the utility model circuit is for traditional circuit, because each funtion part all adopts integrated design, circuit structure is comparatively simple, and the emergency lighting time also prolongs with respect to emergency light on the market greatly; Therefore possesses good prospects for application.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is described further:

Fig. 1 is the utility model circuit theory block diagram;

Fig. 2 is the utility model said city electro-detection and control circuit principle block diagram;

Fig. 3 is the utility model said city electro-detection and control circuit figure;

Fig. 4 is the said constant-current source circuit figure of the utility model;

Fig. 5 is the said booster circuit figure of the utility model;

Fig. 6 is the said constant-current charging of battery circuit diagram of the utility model.

Embodiment

With reference to Fig. 1-Fig. 6; A kind of emergency lighting integrated LED light fixture; Comprise LED lamp string 1; It also comprises constant-current source circuit 2, constant-current charging of battery circuit 3, city's electro-detection and control circuit 4 and booster circuit 5, and said city electro-detection and control circuit 4 link to each other with constant-current source circuit 2, constant-current charging of battery circuit 3 and booster circuit 5 respectively, and said constant-current charging of battery circuit 3 links to each other with constant-current source circuit 2; The output of said constant-current source circuit 2 and booster circuit 5 also links to each other with LED lamp string 1; Said constant-current source circuit 2 is the transformer step-down rectifying circuit, and the major function of said constant-current source circuit 2 is for LED lamp string 1 constant current to be provided having under the situation of civil power, and for constant-current charging of battery circuit 3 power supply is provided; City's electro-detection and control circuit 4 adopt the MDT10P53 single-chip microcomputer; Said city electro-detection and control circuit 4 can effectively detect civil power, send the result to single-chip microcomputer then, and the information that single-chip microcomputer passes through to be transmitted is handled the conversion of accomplishing normal illumination and emergency lighting mode of operation.

Said constant-current charging of battery circuit 3 comprises control chip U4, voltage-stabiliser tube D3, inductance L 3, capacitor C 7, C8, C9, C10, resistance R 9, R10 and diode D4; After said capacitor C 9, C10 are in parallel; One end connects the end of oppisite phase of diode D4; The GND end of the other end and control chip U4 links to each other, and said resistance R 9, R10 series connection back are in parallel positive terminal and the inductance L 3 of end connection diode D4 with capacitor C 7, C8; The other end links to each other with the GND end of control chip U4; The other end of said inductance L 3 and the SE end that is connected to control chip U4 after voltage-stabiliser tube D3 is parallelly connected, the other end of voltage-stabiliser tube D3 links to each other with the GND end of control chip U4, and the major function of said constant-current charging of battery circuit 3 is for battery constant charging current to be provided.

Said city electro-detection and control circuit 4 comprise control chip U3, amplifier comparison module 42, battery detecting module 43 and control boost module 44; Said amplifier comparison module 42, battery detecting module 43 and control boost module 44 all are connected with control chip U3; The major function of said city electro-detection and control circuit 4 is through detecting having or not of civil power; And testing result is sent to control chip U3 handle, decide through mains-supplied or convert the emergency cell power supply into, in addition; Said city electro-detection and control circuit 4 can also detect the voltage at battery two ends, the charging and the discharge of control battery.

Said amplifier comparison module 42 comprises operational amplifier U2, resistance R 1, R2, R4, R6, R12, R13, R14, R15, diode D1, D2 and capacitor C 1, and after said resistance R 2, R6 and the diode D1 parallel connection, an end is connected to the in-phase input end of operational amplifier U2; One end is connected to inverting input, and after said resistance R 15, R14, the R1 series connection, an end connects civil power; The in-phase input end of other end concatenation operation amplifier U2, after said resistance R 12, the R13 series connection, an end connects civil power; Other end ground connection, after said diode D2 and capacitor C 1 parallel connection, an end ground connection; The in-phase input end of other end concatenation operation amplifier U2, when civil power is arranged, through amplifier comparison module 42 with civil power signalisation control chip U3; This moment, booster circuit 5 was not worked, and constant-current source circuit 2 converts civil power AC into DC, and it provides stable charging current for constant-current charging of battery circuit 3 on one side; To LED lamp string 1 the normal illumination input is provided on one side, LED lamp string 1 carries out work through the electric energy of constant-current source circuit 2 supplies; When no civil power; To not have civil power signalisation control chip U3 through amplifier comparison module 42, the EN of the control chip U5 of city's electro-detection and control circuit 4 meeting signaling booster circuits 5 holds at this moment, and the output voltage of 5 pairs of constant-current charging of battery circuit 3 of said booster circuit boosts; To reach the required operating voltage of LED lamp string 1; And change by rechargeable battery and supply power, said rechargeable battery provides stable operating current and voltage through booster circuit 5 for LED lamp string 1, is that LED lamp string 1 is luminous; Reach emergency function, its emergency lighting time can reach 80 minutes moons.

Said battery detecting module 43 comprises resistance R 16, R17, capacitor C 17; Said resistance R 16 1 ends connect constant-current charging of battery circuit 3, and the other end connects the PB1 end of control chip U3, after said resistance R 17 and capacitor C 17 are parallelly connected; One end ground connection; The other end connects the PB1 end of control chip U3, mainly is voltage and the electric current that detects the battery two ends, the charging and the discharge of control battery.

Said control boost module 44 comprises resistance R 15, capacitor C 3, C15, and said resistance R 15 1 ends are connected to booster circuit 5, and the other end is connected to the PB0 end of control chip U3; Capacitor C 15 1 ends are connected to booster circuit 5; The other end is divided into two branch roads, a branch road ground connection, another and the vdd terminal of receiving control chip U3 after capacitor C 3 is connected; One end of said capacitor C 15 and resistance R 15 is connected to the EN end of control chip U5 jointly, accomplishes the correlation function that boosts through sending signal to the EN end.

Said booster circuit 5 comprises control chip U5, FET Q1, resistance R 52, R53, R61, R62, R63, R64, and diode D10, capacitor C 22, voltage-stabiliser tube ZD11, said FET Q1 grid connect the DRV end of control chip U5; Drain electrode links to each other with LED lamp string 1 through diode D10, and source electrode is held with the CS of control chip U5 and linked to each other, after said resistance R 52, R53 are in parallel; One end is connected to the CS end of control chip U5; Other end ground connection, said capacitor C 22 1 ends link to each other other end ground connection with LED lamp string 1; Said voltage-stabiliser tube ZD11 one end with link to each other with LED lamp string 1; The other end and the FB end that is connected to control chip U5 after resistance R 64 is connected, after said resistance R 61, the R62 parallel connection, an end is held with the FB that resistance R 63 series connection backs are connected control chip U5; Other end ground connection, the main effect of said booster circuit 5 are that cell voltage is raised to the required voltage of LED lamp string 1.

More than the preferable enforcement of the utility model is specified; Certainly; The utility model can also adopt the form different with above-mentioned execution mode; These do not constitute any restriction to this execution mode, and those of ordinary skill in the art should belong in the protection range of the utility model conversion of under the prerequisite of the utility model spirit, being done that is equal to or corresponding the change.

Claims

1. emergency lighting integrated LED light fixture; Comprise LED lamp string (1); It is characterized in that: also comprise constant-current source circuit (2), constant-current charging of battery circuit (3), city's electro-detection and control circuit (4) and booster circuit (5); Said city electro-detection and control circuit (4) link to each other with constant-current source circuit (2), constant-current charging of battery circuit (3) and booster circuit (5) respectively; Said constant-current charging of battery circuit (3) links to each other with constant-current source circuit (2), and the output of said constant-current source circuit (2) and booster circuit (5) also links to each other with LED lamp string (1).

2. a kind of emergency lighting integrated LED light fixture according to claim 1 is characterized in that: said constant-current source circuit (2) is the transformer step-down rectifying circuit.

3. a kind of emergency lighting integrated LED light fixture according to claim 1; It is characterized in that: said constant-current charging of battery circuit (3) comprises control chip U4, voltage-stabiliser tube D3, inductance L 3, capacitor C 7, C8, C9, C10, resistance R 9, R10 and diode D4; After said capacitor C 9, C10 are in parallel; One end connects the end of oppisite phase of diode D4, and the other end links to each other with the GND end of control chip U4, and said resistance R 9, R10 series connection back and capacitor C 7, C8 are in parallel; One end connects positive terminal and the inductance L 3 of diode D4; The GND end of the other end and control chip U4 links to each other, and the other end of said inductance L 3 is held with the SE that is connected to control chip U4 after voltage-stabiliser tube D3 is parallelly connected, and the other end of voltage-stabiliser tube D3 is held with the GND of control chip U4 and linked to each other.

4. a kind of emergency lighting integrated LED light fixture according to claim 1; It is characterized in that: said city electro-detection and control circuit (4) comprise control chip U3, amplifier comparison module (42), battery detecting module (43) and control boost module (44), and said amplifier comparison module (42), battery detecting module (43) and control boost module (44) all are connected with control chip U3.

5. a kind of emergency lighting integrated LED light fixture according to claim 4, it is characterized in that: said amplifier comparison module (42) comprises operational amplifier U2, resistance R 1, R2, R4, R6, R12, R13, R14, R15, diode D1, D2 and capacitor C 1, after said resistance R 2, R6 and the diode D1 parallel connection; One end is connected to the in-phase input end of operational amplifier U2, and an end is connected to inverting input, after said resistance R 15, R14, the R1 series connection; One end connects civil power; The in-phase input end of other end concatenation operation amplifier U2, after said resistance R 12, the R13 series connection, an end connects civil power; Other end ground connection; After said diode D2 and capacitor C 1 parallel connection, an end ground connection, the in-phase input end of other end concatenation operation amplifier U2.

6. a kind of emergency lighting integrated LED light fixture according to claim 4; It is characterized in that: said battery detecting module (43) comprises resistance R 16, R17, capacitor C 17; Said resistance R 16 1 ends connect constant-current charging of battery circuit (3), and the other end connects the PB1 end of control chip U3, after said resistance R 17 and capacitor C 17 are parallelly connected; One end ground connection, the other end connect the PB1 end of control chip U3.

7. a kind of emergency lighting integrated LED light fixture according to claim 4; It is characterized in that: said control boost module (44) comprises resistance R 15, capacitor C 3, C15, and said resistance R 15 1 ends are connected to booster circuit (5), and the other end is connected to the PB0 end of control chip U3; Capacitor C 15 1 ends are connected to booster circuit (5); The other end is divided into two branch roads, a branch road ground connection, another and the vdd terminal of receiving control chip U3 after capacitor C 3 is connected.

8. a kind of emergency lighting integrated LED light fixture according to claim 1, it is characterized in that: said booster circuit (5) comprises control chip U5, FET Q1, resistance R 52, R53, R61, R62, R63, R64, diode D10, capacitor C 22, voltage-stabiliser tube ZD11; Said FET Q1 grid connects the DRV end of control chip U5, and drain electrode links to each other with LED lamp string (1) through diode D10, and source electrode links to each other with the CS end of control chip U5; After said resistance R 52, R53 are in parallel; One end is connected to the CS end of control chip U5, other end ground connection, and said capacitor C 22 1 ends link to each other with LED lamp string (1); Other end ground connection; Said voltage-stabiliser tube ZD11 one end with link to each other with LED lamp string (1), the other end and the FB end that is connected to control chip U5 after resistance R 64 is connected are after said resistance R 61, the R62 parallel connection; One end is connected the FB end of control chip U5, other end ground connection with resistance R 63 series connection backs.