CN202118597U

CN202118597U - Lamp capable of automatically switching color temperature

Info

Publication number: CN202118597U
Application number: CN2011201860740U
Authority: CN
Inventors: 丁金助
Original assignee: Individual
Current assignee: Wang Zhengquan
Priority date: 2011-06-03
Filing date: 2011-06-03
Publication date: 2012-01-18
Anticipated expiration: 2021-06-03

Abstract

A lamp capable of automatically switching color temperature comprises a shell, a light-emitting unit and a sensing unit. The light-emitting unit is arranged in the shell and comprises a first light-emitting member with different color temperatures and a second light-emitting member close to the first light-emitting member. The sensing unit is arranged in the shell and comprises a humidity sensor, a controller connected with the humidity sensor and a switching module electrically connected with the light-emitting unit and the controller. The controller receives sensing values output by the humidity sensor, generates a trigger signal after judging and then transmits the signal to the switching module. The switching module starts the first light-emitting member or the second-emitting member of the light-emitting unit for light emitting. By the aid of the sensing unit, the lamp capable of automatically switching color temperature can be used for switching the first light-emitting member or the second light-emitting member to light in different environment conditions.

Description

The light fixture of the colour temperature that can automatically switch

Technical field

The utility model relates to a kind of light fixture, is meant a kind of light fixture of the colour temperature that automaticallyes switch especially.

Background technology

Light source that light fixture adopts in the past is all single color temperature light sources, is example with the street lamp, and the much more general white light that adopt high colour temperature are thrown light under the weather that rains or do not haze, for passerby less than too big problem.But above-mentioned light fixture, if run into the weather that rains or haze, the light fixture of white light can let because of the penetration power deficiency of its light with passerby's visibility distance reduction, and then easy occurrence of traffic accident.Therefore, how to conceive a kind of can be under the varying environment situation, carry out the light fixture that different-colour switches, be the utility model the direction that will make great efforts.

Summary of the invention

The purpose of the utility model is to provide a kind of light fixture of the colour temperature that can automatically switch.

Can the automatically switch light fixture of colour temperature of the utility model comprises a housing, a luminescence unit, and a sensing cell.

Luminescence unit is arranged in the housing, comprises one first illuminating part and the second adjacent illuminating part of one and first illuminating part that have different-colour respectively.

Sensing cell is arranged at housing; Comprise the controller that a humidity sensor, is connected with humidity sensor; And the handover module that is electrically connected with luminescence unit and controller; The influence value that this humidity sensor of controller reception sends also judges that the back produces a trigger signals and is sent to handover module, and first illuminating part or second illuminating part of this this luminescence unit of handover module startup are luminous.

Preferably, second illuminating part is compassingly set at around first illuminating part.

Preferably, first illuminating part of luminescence unit is the light emitting diodes of several colour temperatures between 4200K to 5500K.

Preferably, second illuminating part of luminescence unit is the light emitting diodes of several colour temperatures between 2700K to 3000K.

The beneficial effect of the utility model is: by the setting of sensing cell, use first illuminating part or second illuminating part to throw light on and the utility model is switched under the varying environment condition.

Description of drawings

Fig. 1 is a block architecture diagram, and can the automatically switch component architecture of light fixture of colour temperature of the utility model is described;

Fig. 2 is a partial enlarged drawing, and can the automatically switch preferred embodiment of light fixture of colour temperature of the utility model is described;

Fig. 3 is the upward view of Fig. 2, and can the automatically switch preferred embodiment of light fixture of colour temperature of the utility model is described;

Fig. 4 is a sketch map, and can the automatically switch preferred embodiment of light fixture of colour temperature of the utility model is described.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.

Consult Fig. 1 and Fig. 2, can the automatically switch preferred embodiment of light fixture of colour temperature of the utility model comprises a housing 2, a luminescence unit 3, and a sensing cell 4.

Luminescence unit 3 is arranged in the housing 2, comprises one first illuminating part 31 that has different-colour respectively, and one is compassingly set at first illuminating part 31, second illuminating part 32 on every side.In present embodiment; Be as explanation with a street lamp (figure does not show); And first illuminating part 31, second illuminating part 32 are made up of several light emitting diodes respectively, and the colour temperature of the light emitting diode of first illuminating part 31 belongs to the general preferable white light scope of illumination property commonly used between 4200K to 5500K; The colour temperature of the light emitting diode of second illuminating part 32 is between 2700K to 3000K; Belong at rainy, mist, the preferable reddish yellow optical range of illumination performance in the high environment of humidity, reddish yellow light penetration power is stronger in general.What this will specify be; The colour temperature of employed first illuminating part 31 is set at 4200K in the present embodiment; The colour temperature of second illuminating part 32 is set at 2700K, but is not limited thereto, and also can look demand or actual behaviour in service respectively; Make change setting in conjunction with aforementioned disclosed value range, the utility model does not limit.

Please cooperate and consult Fig. 3 and Fig. 4, sensing cell 4 is arranged at housing 2, comprises the controller 42 that a humidity sensor 41, is connected with humidity sensor 41, and the handover module 43 that is electrically connected with luminescence unit 3 and controller 42.The influence value that controller 42 reception humidity sensors 41 send also judges that the back produces a trigger signals and is sent to handover module 43, and at this moment, first illuminating part 31 or second illuminating part 32 of handover module 43 meetings startup luminescence unit 3 are luminous.In present embodiment, the controller 42 of sensing cell 4 reads a predetermined moisture value, for example can be 60% or 70%.This predetermined moisture value can be set by the manager, is stored in the internal memory (figure do not show) that is connected with controller 42.Humidity sensor 41 mainly changes in order to the humidity of detecting context, and delivery controller 42 judges, and when the humidity value of environment reaches this predetermined moisture value, and then controller 42 sends trigger signals to handover module 43 and carries out aforesaid change action.

Generally speaking, in this preferred embodiment, can switch the effect of different-colour via following situation: in general; Street lamp all has preset start-up time, and after street lamp starts, and this moment, the humidity sensor 41 of interlock sensing cell 4 humidity of carrying out in the environment was detected (S1) in the lump; Can constantly receive the influence value that humidity sensor 41 sends and judge (S2) at detecting process middle controller 42,, then drive first illuminating part 31 throw light on (S3) by handover module 43 if humidity does not reach predetermined moisture value (S21) in the environment; But when running into the heavier weather of moisture (like a rainy day or a thick fog), ambient humidity can build up and reach aforesaid predetermined moisture value (S22), at this moment; Controller 42 promptly sends trigger signals to handover module 43; Handover module 43 drives second illuminating part 32 and throws light on (S4, S5), and is as discussed previously, because the colour temperature of second illuminating part 32 is 2700K; Its light that sends possesses preferable penetration power; And can be at fog or the sight line with passerby Geng Jia is provided in the rain, significantly reduce in the past easily because of climatic effect street lighting sight line, and possibility of accident occurrence.

What deserves to be mentioned is; Though the utility model disclosed light fixture in embodiment is to be example with the street lamp, in practical application, also can it be installed in a vehicle (figure does not show) and go up as car light and use, make it likewise can possess the function of automatic switchover colour temperature; And then enhancement traffic safety; In addition, in the Gas lamp that yet can select to fill inert gas of selecting for use of first illuminating part 31, second illuminating part 32, the utility model does not limit at this.

In sum; Setting by sensing cell 4; And can under the heavier weather of moistures such as relatively poor rainy day of visibility or thick fog, when humidity in the environment reaches the predetermined moisture value, automatically switch, luminous by second illuminating part 32 that colour temperature is lower; And throw light on through its light with preferable penetration power, take place with the accident of avoiding being caused because of bad visibility; Moreover, after weather takes a turn for the better, when humidity in the environment does not reach the predetermined moisture value; First illuminating part 31 higher by colour temperature throws light on, and so switches the design of lighting source, not only benefits and uses passerby; More can reduce hazards, so can reach the purpose of the utility model really.

Claims

1. light fixture of colour temperature that can automatically switch; Comprise a housing, a luminescence unit, and a sensing cell, it is characterized in that: this luminescence unit is arranged in this housing; Comprise one first illuminating part that has different-colour respectively, and second illuminating part adjacent with this first illuminating part; This sensing cell; Be arranged at this housing; Comprise the controller that a humidity sensor, is connected with this humidity sensor; And the handover module that is electrically connected with this luminescence unit and this controller, this controller receives the influence value that this humidity sensor sends and judges that back generation one trigger signals is sent to this handover module, and first illuminating part or second illuminating part of this this luminescence unit of handover module startup are luminous.

2. the light fixture of the colour temperature that automaticallyes switch according to claim 1 is characterized in that: this second illuminating part is compassingly set at around this first illuminating part.

3. the light fixture of the colour temperature that automaticallyes switch according to claim 1 is characterized in that: first illuminating part of this luminescence unit is the light emitting diode of several colour temperatures between 4200K to 5500K.

4. the light fixture of the colour temperature that automaticallyes switch according to claim 1 is characterized in that: second illuminating part of this luminescence unit is the light emitting diode of several colour temperatures between 2700K to 3000K.