CN210868239U

CN210868239U - Novel energy-saving lighting device for train

Info

Publication number: CN210868239U
Application number: CN201921928885.6U
Authority: CN
Inventors: 杜镇岐; 刘锡勤; 李晨博; 李晨龙; 陈冠宇; 王楠
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-06-26
Anticipated expiration: 2029-11-11

Abstract

The utility model relates to the technical field of lighting, in particular to a novel energy-saving lighting device for a train, which comprises a lighting mechanism fixedly arranged at the top in a carriage, wherein the input end of the lighting mechanism is electrically connected with a control unit through a lead, the signal input end of the control unit is electrically connected with a photosensitive module for collecting the intensity of external light, the photosensitive module comprises a plurality of photosensitive units which are electrically connected with the signal input end of the control unit in a parallel way, the plurality of photosensitive units are distributed at equal intervals along the length direction of the carriage, the power supply end of the control unit is electrically connected with a power supply module, power module electric connection is at lighting mechanism's positive negative end simultaneously, the utility model discloses make lighting mechanism adjust its required voltage in real time under the circumstances of guaranteeing that carriage luminance is sufficient for the minimum to reach the purpose of practicing thrift the electric energy, reduce lighting mechanism's consumption.

Description

Novel energy-saving lighting device for train

Technical Field

The utility model relates to the technical field of lighting technology, concretely relates to novel energy-conserving lighting device is used to train.

Background

The train is also called a railway train, and refers to a vehicle running on a railway track, which is usually composed of a plurality of carriages, is one of modern important transportation tools of human beings, and is in a middle lighting system of the train; the illuminating lamps on the hard-seat train are all in a state of being always turned on, and only at ten night, half of the illuminating lamps are turned off to enter a night driving state.

However, the traditional train illuminating lamp cannot automatically adjust the light intensity of the lamp according to the intensity of external light, and when the light is strong, the illuminating device of the train is always kept on, so that the power consumption is greatly increased, and the service life of the illuminating device is greatly shortened.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The above-mentioned shortcoming that exists to prior art, the utility model provides a novel energy-conserving lighting device is used to train can solve traditional train light effectively and can not be according to the light intensity of external light strong and weak automatically regulated lamps and lanterns, and when light is stronger, the lighting device of train keeps opening always, has increased power consumption so widely, still can reduce lighting device's life's problem by a wide margin.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a novel energy-conserving lighting device is used to train, includes the lighting mechanism at the top in the carriage of fixed mounting, lighting mechanism's input has the control unit through wire electric connection, the signal input part of control unit has the sensitization module that is used for gathering external light intensity through wire electric connection, the sensitization module includes a plurality of sensitization units with parallel mode electric connection at the control unit signal input part, and a plurality of sensitization units along carriage length direction equidistant distribution, the power end electric connection of control unit has power module, and power module electric connection is at lighting mechanism's positive and negative end simultaneously.

Furthermore, the photosensitive unit comprises a PCB integrated with the photoresistance sensor, and a digital potentiometer used for adjusting the sensitivity is integrated on the PCB, the photosensitive unit can detect the light intensity of the surrounding environment, the digital potentiometer is equipped to adjust the sensitivity, and the applicability is stronger.

Furthermore, the control unit adopts an MCS-51 series single chip microcomputer and is used for receiving the control signal of the photosensitive unit and sending out the control signal to control the working voltage and current of the lighting mechanism.

Still further, the lighting mechanism comprises an LED lamp fixedly installed at the center line of the top in the compartment.

Furthermore, the photosensitive unit is fixedly installed in a groove formed in the outer surface of the carriage from outside to inside, and the top surface of the groove is clamped with light-transmitting glass, so that the external light intensity can be sensed conveniently.

Furthermore, a rubber ring for sealing is bonded between the transparent glass and the carriage, so that the waterproof performance is improved.

Advantageous effects

Adopt the utility model provides a technical scheme compares with known public technique, has following beneficial effect:

1. the utility model discloses a plurality of sensitization modules gather external light luminance data in real time and transmit to the control unit, the control unit is through calculating a plurality of light luminance data average values, again according to light luminance data average value through output PWM signal control lighting mechanism's illumination intensity for lighting mechanism adjusts its required voltage in real time for the minimum under the condition of guaranteeing that carriage luminance is sufficient, thereby reaches the purpose of practicing thrift the electric energy, reduces lighting mechanism's consumption.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic circuit diagram of the present invention;

FIG. 2 is a schematic cross-sectional view of the installation position of the photosensitive unit according to the present invention;

FIG. 3 is a schematic diagram of the distribution of the photosensitive units in the carriage according to the present invention;

FIG. 4 is a schematic view of the structure of the photosensitive unit of the present invention;

the reference numerals in the drawings denote: 1-an illumination mechanism; 2-a control unit; 3-a photosensitive module; 4-a photosensitive unit; 401-a PCB board; 402-a digital potentiometer; 5-a power supply module; 6-groove; 7-light-transmitting glass; 8-rubber ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The novel energy-saving lighting device for the train in the embodiment refers to fig. 1 to 4: including lighting mechanism 1 of fixed mounting top in the carriage, lighting mechanism 1's input has the control unit 2 through wire electric connection, the signal input part of control unit 2 has the sensitization module 3 that is used for gathering external light intensity through wire electric connection, sensitization module 3 includes a plurality of sensitization units 4 with parallel mode electric connection at the 2 signal input parts of control unit, and a plurality of sensitization units 4 are along carriage length direction equidistant distribution, the power end electric connection of control unit 2 has

power module

5, 5 electric connection of power module 5 is at the positive and negative end of lighting mechanism 1 simultaneously.

Wherein, sensitization unit 4 is including the PCB board 401 of integrated photo resistance sensor, and the integrated digital potentiometer 402 that is used for adjusting sensitivity on the PCB board 401, and MCS-51 series singlechip is selected for use to the control unit 2, and lighting mechanism includes 1 LED lamps and lanterns of fixed mounting in the carriage top central line department, and sensitization unit 4 fixed mounting is in the recess 6 that the carriage surface was seted up from outside to inside, and the top surface joint of recess 6 has printing opacity glass 7, and it has sealed rubber circle 8 to bond between printing opacity glass 7 and the carriage.

The working principle is as follows: the outer surface of the carriage is provided with a plurality of grooves 6 from outside to inside, the photosensitive units 4 are arranged in the grooves 6, the photosensitive units 4 are clamped in the grooves 6 through the transparent glass 7 and fixed through screws, the transparent glass 7 is convenient for the photosensitive resistance sensors of the photosensitive units 4 to sense the intensity of external light, and a rubber ring 8 is tightly pressed between the transparent glass 7 and the grooves 6 for sealing, so that the waterproofness is improved; the photoresistance sensors of the photosensitive units 4 transmit a plurality of external light intensity data acquired in real time to the control unit 2 with the output end electrically connected with the photoresistance sensors, the MCS-51 series single chip microcomputer control unit 2 averagely evaluates the external light intensity data through a pre-input averaging program, then the control unit 2 controls the illumination intensity of the illumination mechanism 1 through outputting PWM signals according to the average value, so that the required voltage of the illumination mechanism 1 is adjusted to be the minimum value in real time under the condition that the brightness of the carriage is sufficient, the purpose of saving electric energy is achieved, the power consumption of the illumination mechanism 1 is reduced, in the link, the photosensitive units 4 are distributed outside the carriage at equal intervals in the direction parallel to the length direction of the carriage, and meanwhile, the light intensity values help to improve the accuracy of light regulation.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel energy-conserving lighting device is used to train which characterized in that: the lighting mechanism at the top in the carriage comprises a lighting mechanism fixedly mounted at the top in the carriage, the input end of the lighting mechanism is electrically connected with a control unit through a wire, the signal input end of the control unit is electrically connected with a photosensitive module used for collecting the intensity of external light through the wire, the photosensitive module comprises a plurality of photosensitive units electrically connected to the signal input end of the control unit in a parallel mode, the photosensitive units are distributed at equal intervals along the length direction of the carriage, the power end of the control unit is electrically connected with a power supply module, and the power supply module is electrically connected to the positive end and the negative end of the lighting mechanism.

2. The new energy-saving lighting device for train as claimed in claim 1, wherein the light sensing unit comprises a PCB board integrated with a photo-resistor sensor, and a digital potentiometer for adjusting sensitivity is integrated on the PCB board.

3. The novel energy-saving lighting device for the train as claimed in claim 1, wherein the control unit is a single chip microcomputer of MCS-51 series.

4. The new energy-saving lighting device for train as claimed in claim 1, wherein the lighting mechanism comprises an LED lamp fixedly installed at the centerline of the top in the carriage.

5. The novel energy-saving lighting device for the train as claimed in claim 1, wherein the light sensing unit is fixedly installed in a groove formed in the outer surface of the carriage from outside to inside, and light-transmitting glass is clamped on the top surface of the groove.

6. The novel energy-saving lighting device for the train as claimed in claim 5, wherein a rubber ring for sealing is bonded between the transparent glass and the carriage.