CN201014296Y

CN201014296Y - exit light

Info

Publication number: CN201014296Y
Application number: CNU2006200471890U
Authority: CN
Inventors: 刘学勇; 叶东明
Original assignee: Ningbo Andy Optoelectronic Co Ltd
Current assignee: Ningbo Andy Optoelectronic Co Ltd
Priority date: 2006-10-26
Filing date: 2006-10-26
Publication date: 2008-01-30
Anticipated expiration: 2016-10-26

Abstract

The utility model discloses an exit lamp. The exit lamp comprises a housing, a direction indicating luminous body, a light output plate and a control module. A storage space is arranged in the housing, and the direction indicating luminous body is accommodated in the storage space. It is electrically connected with the control module, and the direction indicating luminous body is provided with a plurality of parallel light groups. When working, the plurality of light groups are controlled by the control module to light up sequentially, forming a dynamic indicator mark on the light output plate; The control module includes a first voltage converting circuit, a rectifying circuit, an internal power supply circuit, a power switching circuit, a microprocessor and a second voltage converting circuit, the input of the second voltage converting circuit is connected to the output of the power switching circuit , the output terminal of the second voltage conversion circuit is connected with the direction indicating light body.

Description

Exit light

[technical field]

The utility model relates to a kind of exit light, or rather, relates to a kind of exit light with better indicating effect.

[background technology]

At present, at various buildings and other public places the fire-fighting emergent exit light is installed all, this type of lamp all has direction cue marks such as word marking such as " extra exit " that lighting shows, " emergency exit " and direction arrow usually.When emergency such as fire alarm etc. took place, the exit light that has above-mentioned mark also was used for indicating the direction of extra exit to panic-stricken people except illumination is provided, and guiding personnel effectively evacuate.Yet in real life, when generations such as fire alarm, often be attended by dense smoke etc., visibility is often much lower than usual, add factors such as originally just panic, people can only see usually that in place far away there is hot spot the front, and the place ahead that can't offer a clear explanation is an exit lighting, more can't tell the direction of the passway for escaping of exit light indication; Especially be not good people for some eyesights, the problems referred to above are more outstanding.Therefore develop exit light and seem comparatively urgent with better indicating effect.

[utility model content]

Technical problem to be solved in the utility model is to overcome above-mentioned defective, provides a kind of indicating effect better and the exit light of compact conformation.

The present invention is achieved by the following technical solutions: a kind of exit light, comprise housing, direction indication illuminator, light-emitting plate and control module, be provided with a receiving space in the described housing, direction indication illuminator is contained in the described receiving space, and electrically connect with control module, described direction indication illuminator is provided with a plurality of lamp groups in parallel, during work, the controlled module controls of these a plurality of lamp groups is lighted in regular turn, forms a dynamic cue mark on light-emitting plate; Described control module comprises first voltage conversion circuit, rectification circuit, internal power circuit, power supply switch circuit and microprocessor; The input of first voltage conversion circuit links to each other with external power, output links to each other with the input of rectification circuit, the output of rectification circuit links to each other with the input of internal power circuit and power supply switch circuit, and the output of power supply switch circuit links to each other with the input of microprocessor; Described internal power circuit comprises power supply in; Described control module also comprises second voltage conversion circuit, and the input of described second voltage conversion circuit links to each other with the output of power supply switch circuit, and the output of described second voltage conversion circuit links to each other with direction indication illuminator.

Described second voltage conversion circuit comprises a DC/DC conversion chip.

Described power supply switch circuit mainly switches triode, the second switching triode, the 3rd switching triode, voltage-stabiliser tube and comparator by first to be formed; Wherein:

Described first switches triode has base stage, collector and emitter, and its base stage links to each other with the output of rectification circuit by resistance; A branch road of its colelctor electrode links to each other with the positive pole of comparator, and another branch road links to each other with the positive pole of interior power supply by resistance; Its emitter stage links to each other with the negative pole of interior power supply;

The positive pole of described voltage-stabiliser tube links to each other with the negative pole of interior power supply, and negative pole links to each other with the positive pole of interior power supply by resistance, and its negative pole also links to each other with the negative pole of comparator simultaneously;

The positive pole of described comparator links to each other with the negative pole of interior power supply by a resistance, a branch road of the output of comparator links to each other with second base stage of switching triode by diode, resistance, and another branch road links to each other with an input/output end port of microprocessor by diode, resistance;

Described second emitter stage that switches triode links to each other with the negative pole of interior power supply, and its colelctor electrode links to each other with the 3rd base stage of switching triode by a resistance;

The described the 3rd emitter stage that switches triode links to each other with the positive pole of interior power supply, and its colelctor electrode links to each other with the power input mouth of the microprocessor and second voltage conversion circuit.

Described lamp group is made of a plurality of LED lamp series connection.

Also respectively be provided with a switch triode between described each lamp group and the output end of microprocessor, the base stage of described switch triode links to each other with microprocessor corresponding output end mouth, and its colelctor electrode links to each other with the negative pole of lamp group, and its emitter stage links to each other with the negative pole of interior power supply.

Also directly be connected with diode between described direction indication illuminator and the rectification circuit output end by resistance.

Described rectification circuit is a bridge rectifier.

Compared with prior art, the utility model makes exit light have dynamic deixis by a control module is set in exit light, thereby has improved the indicating effect of exit light; In addition, in this control module, also be provided with one second voltage conversion circuit, this second voltage conversion circuit becomes to be fit to the voltage of illuminator need of work with the voltage transitions of interior power supply output, when therefore even illuminator needs higher operating voltage, also can by this second voltage conversion circuit will be lower interior supply voltage convert the higher operating voltage that illuminator needs to, thereby effectively reduced the volume and weight of interior power supply, and then made that the structure of exit light is compact more.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model exit light.

Fig. 2 is the three-dimensional exploded view of the utility model exit light.

Fig. 3 is the schematic block circuit diagram of the utility model exit light.

Fig. 4 is the circuit diagram of the utility model exit light.

[specific embodiment]

Below in conjunction with accompanying drawing the utility model is described in further detail.

See also Figure 1 and Figure 2, the utility model exit light mainly comprises housing 1, first illuminator 2, direction indication illuminator 3, light-emitting plate 4 and control module (not shown).The inside of housing 1 is provided with a receiving space 10, and described receiving space 10 is surrounded by left side wall 11, right side wall 12, upper side wall 13, lower wall 14 and the diapire 15 of housing 1 and forms.Be provided with a dividing plate 16 between the left side wall 11 of housing 1 and the right side wall 12, dividing plate 16 is made by lighttight material.Dividing plate 16 is divided into two parts with receiving space 10, wherein, the receiving space that dividing plate 16 and left side wall 11, right side wall 12, upper side wall 13 and diapire 15 surround is first receiving space 101, and the receiving space that dividing plate 16 and left side wall 11, right side wall 12, lower wall 14 and diapire 15 surround is second receiving space 102.

Described first illuminator 2 is provided with row's light-emitting component 21 (adopting LED in the present embodiment).On the left side wall that is assemblied in housing 1 11 and right side wall 12 of assembling back first illuminator, 2 symmetries, and be positioned at first receiving space 101.

Described direction indication illuminator 3 is made up of circuit board 30 and a plurality of lamp groups 31 of being positioned on the circuit board 30, and wherein each lamp group is by several lamp banks row formations, and described lamp can be LED, also can be other light-emitting components such as Halogen lamp LED.These a plurality of lamp groups be arranged in a linear and the adjacent lamps group between all spacing equate that to form an arrow cue mark, arrow cue mark concrete in the present embodiment is "〉" shape.Direction indication illuminator 3 is contained in second receiving space 102, and circuit board 30 has the one side of lamp group over against light-emitting plate 4.

Described light-emitting plate 4 is made by the material of light-permeable, and fixedlys connected in existing known mode with housing 1, as the screw connection etc.Light-emitting plate 4 is divided into corresponding to first light-emitting plate 41 of first receiving space 101 and second light-emitting plate 42 of corresponding second receiving space 102.First light-emitting plate 41 is provided with indication picture and text 410, and as " EXIT " etc., these indication picture and text 410 can be pasted on by colored film and form on the light-emitting plate, also can be formed by other known technologies.On second light-emitting plate 42, also be provided with the direction cue mark 420 (arrow in this specific embodiment is "〉〉〉" shape) of the equally spaced arrowhead form of a row.The position of the described direction cue mark 420 in assembling back is corresponding with a plurality of lamp groups 31 on the circuit board 30 respectively.Described direction cue mark 420 can be pasted on the light-emitting plate by colored film and form, and also can be formed by other known technologies.

The input of described control module links to each other with external power, and its output and first illuminator 2, direction indication illuminator 3 electrically connect, and controls the duty of first illuminator and direction indication illuminator.

See also shown in Figure 3ly, control module mainly is made up of first voltage conversion circuit, rectification circuit, internal power circuit, power supply switch circuit, microprocessor, second voltage conversion circuit.

The input of described first voltage conversion circuit links to each other with external power, is mainly used in to convert extraneous higher voltage to subsequent conditioning circuit work needed lower voltage; Its output links to each other with the input of rectification circuit, will exchange a little to be transformed into direct current after rectification circuit is handled.The input of the output termination internal power circuit of rectification circuit and the input of power supply switch circuit.Internal power circuit mainly comprises power supply in, described in power supply can be chargeable battery or dry cell, charging at ordinary times, when external power is cut off to circuit supply; Can be non-rechargeabel dry cell also, not work at ordinary times, be cut off the back to circuit supply at external power.Power supply switch circuit also links to each other with internal power circuit, mainly plays on-off action, is used for the source of power supply is selected.The input of microprocessor links to each other with the output of power supply switch circuit, and its output links to each other with illuminator, is mainly used in the duty of control illuminator.The input of second voltage conversion circuit links to each other with the output of power supply switch circuit, and its output links to each other with illuminator, and the output voltage that is mainly used in power supply switch circuit converts the voltage that is fit to the illuminator need of work to.Simultaneously, can also connect other testing circuits at the input of control module microprocessor, as the smog alarm circuit etc., when other testing circuits detected effective signal and output to the input of microprocessor, microprocessor was carried out corresponding program and is carried out corresponding action with the control illuminator.The output of rectification circuit also can directly link to each other with illuminator, directly illuminator is powered when being used in the external world electricity being arranged.

Fig. 4 is one and is used to the physical circuit figure that realizes that the driving LED lamp is lighted successively.First voltage conversion circuit is become by a transformer T, is used for converting extraneous alternating voltage to lower voltage.Diode D1, D2, D3, D4 constitute rectification circuit, and two outputs with secondary coil transformer T rectification circuit link to each other, and are transformed into direct current output with the alternating current with transformer T output.Internal power circuit mainly comprises a chargeable interior power supply BAT, and its positive pole links to each other with the output of rectification circuit with resistance R 2 by a diode D5, and negative pole links to each other with the positive pole of the diode D4 of rectification circuit.

Described power supply switch circuit mainly switches triode Q1, the second switching triode Q2, the 3rd switching triode Q3, voltage-stabiliser tube IC3 and comparator IC4 by first to be formed.

Described first switches triode Q1 has base stage, collector and emitter, and its base stage links to each other with the output of rectification circuit by resistance R 6, R4, R2, simultaneously, also links to each other with its emitter stage by resistance R 6, R5; A branch road of its colelctor electrode links to each other with the positive pole of comparator IC4 by resistance R 8, and another of colelctor electrode branch road links to each other with the positive pole of interior power supply BAT by resistance R 7; Its emitter stage links to each other with the negative pole of interior power supply.

The positive pole of described voltage-stabiliser tube IC3 links to each other with the negative pole of interior power supply BAT, and negative pole links to each other with the positive pole of interior power supply BAT by resistance R 10, and its negative pole also directly links to each other with the negative pole of comparator IC4 simultaneously.

The positive pole of described comparator IC4 links to each other with the negative pole of interior power supply by a resistance R 9, a branch road of comparator IC4 output links to each other with second base stage of switching triode Q2 by diode D7, resistance R 12, and another branch road links to each other with an input/output end port of microprocessor by diode D8, resistance R 14.

Described second emitter stage that switches triode Q2 links to each other with the negative pole of interior power supply BAT, and its colelctor electrode links to each other with the 3rd base stage of switching triode Q3 by a resistance R 13.The 3rd emitter stage that switches triode Q3 links to each other with the positive pole of interior power supply BAT, and its colelctor electrode links to each other with the power input mouth of the microprocessor IC2 and the second voltage conversion circuit IC1.

The grounding ports of described microprocessor IC2 links to each other with the negative pole of interior power supply BAT, and its output port links to each other with the base stage of a series of switch triode Q4, Q5, Q6, Q7 respectively.

Described second voltage conversion circuit is made of a DC/DC converter, the negative pole of power supply BAT in its grounding ports connects, and its output links to each other with the positive pole of illuminator by a diode D9, and the voltage of need of work is provided for illuminator.

Described illuminator is made of a plurality of lamp groups of parallel connection, wherein each lamp group is made of a plurality of LED lamp series connection again, the positive pole of each lamp group is in series with a resistance respectively, and all pass through a resistance R 3, diode D6 links to each other with the output of rectification circuit, the negative pole of each lamp group links to each other with the colelctor electrode of switch triode Q4, Q5, Q6, Q7 respectively, and the emitter stage of described switch triode links to each other with the negative pole of interior power supply BAT.The direction indication illuminator of mentioning in described illuminator in this circuit diagram and the said structure is corresponding.

When extraneous power connection, described transformer T is transformed into the alternating current of high voltage in the alternating current of low voltage, convert dc point output after the rectification by rectification circuit to, branch road of electric current of output directly is added on the illuminator by diode D6 resistance R 3, another branch road flows through resistance R 2, diode D5 charges to interior power supply BAT, first switches triode Q1 conducting simultaneously, move the current potential of its colelctor electrode to a lower voltage, at this moment, the voltage that is added in comparator IC4 positive pole is added in the voltage of comparator IC4 negative pole less than voltage-stabiliser tube IC3, comparator IC4 output low level, the second switching triode Q2 and the 3rd switches triode Q3 to be ended, the second voltage conversion circuit IC1 does not work, output end of microprocessor output high level, switch triode Q4, Q5, Q6, the equal conducting of Q7, the electric current that flows through diode D6 and resistance R 3 are flow through illuminator and switch triode after diode D4 flows back to transformer, and illuminator is all lighted.

When extraneous power supply was cut off, interior power supply BAT discharge was for entire circuit provides operating current.This moment, the branch road at diode D6. resistance R 3 places disconnected because the existence of diode D5, D6 ends the switching triode Q1 that wins.The voltage that is added in comparator IC4 positive pole is divided the voltage gained of interior power supply BAT by resistance R 7, R8, R9, the voltage that is higher than the voltage-stabiliser tube IC3 that is added in comparator IC4 negative pole, so comparator IC4 exports high level, second switches triode Q2 and the 3rd switches triode Q3 conducting, second voltage conversion circuit IC1 work becomes to be fit to the voltage transitions of interior power supply BAT output to be added on the illuminator by diode D9 behind the voltage of illuminator need of work.Simultaneously, microprocessor IC2 begins to carry out corresponding program behind the high level signal that receives comparator IC4 output, control the output voltage of its output, thereby switch triode Q4, Q5, Q6, Q7 conducting in regular turn that control links to each other with illuminator, thereby a plurality of lamp groups in the illuminator are lighted in regular turn.

During work, first illuminator 2 is lighted, and its light that sends sees through first light-emitting plate 41 and penetrates, and can highlight the indication picture and text 410 on first light-emitting plate 41, uses as distinguishing mark.When 3 work of direction indication illuminator, a plurality of lamp groups 31 are lighted under the control of control module in regular turn, and light transmission second light-emitting plate 42 that the lamp group of lighting is in regular turn sent penetrates, and forms the mark with the same shape of lamp group on light-emitting plate.Because the lamp group is lighted in regular turn, thereby form the dynamic cue mark of arrowhead form under certain frequency, reach the effect of dynamic direction indication.Because dividing plate 16 is made by lighttight material, effectively stopped light in addition, made dynamic cue mark more outstanding from first illuminator 2.

Certainly the exit light in the invention can also be other any suitable shape and structures, all has the exit light of cue mark, is provided with the exit light etc. of an emergency light at least as the two sides.Concrete structure in the present embodiment also can be done simple conversion, "〉formed as a plurality of lamp groups of describing among the embodiment〉〉 " the arrow cue mark of shape can change into twocouese arrow cue mark "＜＜＜" and shape that other prior aries disclosed, a plurality of dividing plates also can be set in the embodiment middle shell form second receiving space etc. with the inwall of corresponding housing.

More than describing is embodiment of the present utility model only, forgives and can understand, and under the prerequisite that does not depart from the utility model design, to simple modification of the present utility model and replacement, all should be included within the technical conceive of the present utility model.

Claims

1. An exit light, comprising a housing, a direction indicating illuminant, a light output plate and a control module, a housing space is provided in the housing, the direction indicating illuminant is accommodated in the housing space, and is electrically connected to the control module , the direction indicating illuminant is provided with a plurality of parallel lamp groups, characterized in that: the plurality of lamp groups are controlled by the control module to light up in sequence, forming a dynamic indicator mark on the light-emitting plate; the control module includes The first voltage conversion circuit, the rectification circuit, the internal power supply circuit, the power switching circuit and the microprocessor; the input end of the first voltage conversion circuit is connected with the external power supply, the output end is connected with the input end of the rectification circuit, and the output end of the rectification circuit is connected with the input end of the rectification circuit. The input end of the internal power supply circuit and the power switching circuit is connected, and the output end of the power switching circuit is connected with the input end of the microprocessor; the internal power supply circuit includes an internal power supply, and the control module also includes a second voltage conversion circuit, so The input end of the second voltage conversion circuit is connected to the output end of the power switching circuit, and the output end of the second voltage conversion circuit is connected to the direction indicating light body.

2. The exit light according to claim 1, wherein the second voltage conversion circuit comprises a DC/DC conversion chip.

3. An exit light according to claim 1, characterized in that: the power switching circuit is mainly composed of a first switching triode, a second switching triode, a third switching triode, a regulator tube and a comparator; wherein:

The first switching triode has a base, a collector and an emitter, and its base is connected to the output end of the rectifier circuit through a resistor; one branch of its collector is connected to the positive pole of the comparator, and the other branch is connected to the positive pole of the comparator through a resistor. The positive pole of the internal power supply is connected; its emitter is connected with the negative pole of the internal power supply;

The positive pole of the voltage regulator tube is connected to the negative pole of the internal power supply, the negative pole is connected to the positive pole of the internal power supply through a resistor, and its negative pole is also connected to the negative pole of the comparator;

The anode of the comparator is connected to the negative pole of the internal power supply through a resistor, one branch of the output end of the comparator is connected to the base of the second switching transistor through a diode and a resistor, and the other branch is connected to the microprocessor through a diode and a resistor connected to one of the input/output ports;

The emitter of the second switching transistor is connected to the negative pole of the internal power supply, and its collector is connected to the base of the third switching transistor through a resistor;

The emitter of the third switching transistor is connected to the anode of the internal power supply, and its collector is connected to the microprocessor and the power input port of the second voltage conversion circuit.

4. The exit light according to claim 1, wherein the light group is composed of a plurality of LED lights connected in series.

5. The exit light according to claim 1, characterized in that: a switch triode is also provided between each lamp group and the output end of the microprocessor, and the base of the switch triode and the corresponding output of the microprocessor The collector is connected to the negative pole of the lamp group, and its emitter is connected to the negative pole of the internal power supply.

6. The exit light according to claim 1, characterized in that: the direction indicating light body is directly connected to the output end of the rectifier circuit through a resistor and a diode.

7. The exit light according to claim 1, wherein the rectification circuit is a bridge rectification circuit.