CN213089591U

CN213089591U - Lamp for train

Info

Publication number: CN213089591U
Application number: CN202022399989.1U
Authority: CN
Inventors: 胡道平; 黄光明; 李儒念
Original assignee: Shenzhen Lamp Intelligent Equipment Co ltd; Lanp Electrical Co ltd
Current assignee: Shenzhen Lamp Intelligent Equipment Co ltd; Lanp Electrical Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-04-30
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a lamps and lanterns for train relates to the interior lighting technology field of train for simulate the sunlight irradiation on the train, including lighting system, lighting system includes background layer and luminescent layer, the background layer includes background board and background light source, the luminescent layer includes luminescent light source and light path system, the luminescent layer is located under the background layer, the light that luminescent light source sent is in under the shining of background layer, through light path system jets out lamps and lanterns for the train to simulate the sunlight irradiation.

Description

Lamp for train

Technical Field

The utility model relates to a lighting technology field in the train car, concretely relates to lamps and lanterns for train.

Background

In the prior art, the lighting lamps in the train carriage can only realize the common lighting function. At present, based on the development of the LED technology and the excellent energy-saving performance of LEDs, the lamps for lighting in the train compartment generally adopt the LED lamps for lighting. However, as is known, LED light is cold light, and cannot simulate sunlight to show different illumination and color temperature within one day. The passengers cannot perceive the sunlight change and the human body feeling change caused by the change of the weather outside the carriage in the carriage, and the train has long running time, so if people feel low in a closed space without sunlight or in a place without sunlight for a long time, the passengers cannot feel more excellent riding feeling.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a lamp for train can simulate sunlight and change in the train carriage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lamps and lanterns for train for simulate the sunlight irradiation on the train, includes lighting system, lighting system includes background layer and luminescent layer, the background layer is including the background board that is used for simulating the blue sky and being used for illuminating the background light source of background board, the luminescent layer is including the light path system that is used for simulating the light source of sunlight and is used for the light that sends the light source and jets out, follows the direction that the light of lamps and lanterns for train jetted out, the luminescent layer is located under the background layer, the light that the light source sent is in under the shining of background layer, through light path system jets out lamps and lanterns for train to simulation sunlight shines.

Optionally, the light source includes first LED granule, second LED granule, infrared light emitting granule and collector lens, first LED granule is the warm white light LED granule of colour temperature 2900K to 3100K, the second LED granule is the white light LED granule of colour temperature 5500K to 5700K, the light that first LED granule, second LED granule and infrared light emitting granule sent by collector lens mixes to the simulation sunlight.

Optionally, the light source is disposed at an edge of the background layer, the optical path system includes a flat plate reflector, an arc plate reflector and a fresnel lens, the fresnel lens is parallel to the background layer, the arc plate reflector is disposed between the light source and the background layer, a concave surface of the arc plate reflector faces the fresnel lens, and along a direction of light emitted from the condensing lens, the flat plate reflector is disposed in front of the condensing lens, and light mixed by the condensing lens is reflected to the arc plate reflector by the flat plate reflector, and the light reflected by the flat plate reflector is reflected to the fresnel lens again by the concave surface of the arc plate reflector, and is emitted in a direction perpendicular to the background layer through the fresnel lens.

Optionally, the lighting system includes a lamp shade and a fixed bolster, the fixed bolster includes a first fixed part and a second fixed part, the first fixed part is fixed first LED granule, second LED granule, infrared light emitting granule, condensing lens and dull and stereotyped reflector panel, the second fixed part is fixed the arc board reflector panel, the fixed bolster pass through first fixed part install in the inboard of lamp shade.

Optionally, the lighting system further comprises a first damping ring and a pressing strip, the first damping ring is arranged between the bottom wall of the lamp shade and the fresnel lens, and the fresnel lens is fixed in the lamp shade through the pressing strip and the first damping ring.

Optionally, the background layer includes a light guide plate and a background film for simulating a blue sky, the background light source is disposed at an edge of the background plate, and light emitted by the background light source is transmitted by the light guide plate and is mixed with color by the background film.

Optionally, a spacer is disposed between the background film and the light guide plate, and the spacer is disposed at an edge of the light guide plate.

Optionally, the lighting system further comprises a rear cover, the shock absorbing cotton and a second shock absorbing ring surrounding the shock absorbing cotton are arranged between the light guide plate and the rear cover, and the rear cover is connected to the lamp shade and forms the outer shell of the lighting system.

Optionally, the background light source includes third LED particles and fourth LED particles, the third LED particles are warm white LED particles with color temperatures of 2600K to 2800K, the fourth LED particles are cool white LED particles with color temperatures of 6300K to 6700K, and the third LED particles and the fourth LED particles are arranged in a cross-mixing manner at an edge of the background plate.

Optionally, an insulating tube is arranged on the inner side wall of the lampshade, and an electric wire connecting the background light source and the light-emitting light source is arranged in the insulating tube.

The utility model discloses following beneficial effect has: the utility model provides a technical scheme, the sky background through the blue sky cloudiness of background layer simulation, LED luminous element through different colour temperatures combines infrared luminous body, sends the light that has the temperature, and then the simulation is close real sunlight, let the passenger can still experience the body sense change that the change of sunshine and the change of sunshine brought in the long-distance travel in-process, need satisfy the pursuit of people to sunshine, improve lighting quality, improve the environment by bus, optimize passenger's experience by bus.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.

Description of the drawings:

fig. 1 is a schematic connection diagram according to a first embodiment of the present invention;

fig. 2 is an exploded view of a lighting system according to a first embodiment of the present invention;

fig. 3 is a schematic diagram of a background layer and a luminescent layer of a lighting system according to an embodiment of the present invention;

fig. 4 is a side sectional view of a lighting system according to a first embodiment of the present invention after assembly;

fig. 5 is a partial schematic view of a lighting system according to an embodiment of the present invention;

fig. 6 is a schematic view of a fixing bracket of a lighting system according to an embodiment of the present invention;

fig. 7 is a schematic view of a control panel according to a first embodiment of the present invention;

fig. 8 is a schematic view of a driver according to an embodiment of the present invention;

fig. 9 is a circuit diagram of a second embodiment of the present invention.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.

The first embodiment is as follows:

the present embodiment provides a train lamp, which can be used for simulating sunlight irradiation in a carriage of a train of a high-speed train, a train of a motor train unit, a subway train, a light rail train, or the like, and the type of the train is not limited herein.

As shown in fig. 1, the train lamp provided in this embodiment includes a control panel 2, a driver 3, and a lighting system 1, where the driver 1 includes an input end and an output end, the input end is electrically connected to the control panel 2 through a CAN communication line 4, the output end is electrically connected to the lighting system 1, the control panel 2 sets a lighting parameter, and the driver 3 adjusts a PWM duty ratio according to the lighting parameter set by the control panel 2 to drive the lighting system 1 to simulate sunlight irradiation.

As shown in fig. 2 to 6, the lighting system 1 includes a background layer 12 and a luminescent layer 11, the background layer 12 includes a background plate 121 for simulating a blue sky and a background light source 122 for illuminating the background plate, the luminescent layer 11 includes a luminescent light source 111 for simulating sunlight and a light path system 112 for emitting light emitted from the luminescent light source, the lighting system 1 further includes a lamp housing 13 and a rear cover 14, the rear cover 14 is mechanically connected to the lamp housing 13 by screws, and forms an outer housing of the lighting system with the lamp housing 13.

Specifically, the light emitting source comprises first LED particles, second LED particles, infrared light emitting particles and a condenser lens 1111, the first LED particles are warm white LED particles with the color temperature of 2900K to 3100K, the second LED particles are white LED particles with the color temperature of 5500K to 5700K, and sunlight feeling is simulated through the LED particles with different color temperatures. However, since sunlight carries heat, and a human body can feel the sensible temperature change caused by sunlight irradiation, in this embodiment, while sunlight sensing is simulated by two different color lights, the heat carried by sunlight is simulated by the infrared light emitting particles, and light rays emitted by the first LED particles, the second LED particles, and the infrared light emitting particles are mixed by the condensing lens 1111 to comprehensively simulate sunlight, so that a passenger can feel the sunlight sensing simulated by the two LED particles with different color temperatures, and can also feel the sensible temperature change caused by the sunlight irradiation simulated by the infrared light emitting particles.

The light source 111 is disposed at the edge of the background layer 12, and the optical path system 112 includes a flat reflector 1121, an arc reflector 1122, and a fresnel lens 1123; the lighting system 1 further includes a fixing bracket 15, the fixing bracket 15 includes a first fixing portion 151 and a second fixing portion 152, the first fixing portion 151 is provided with an accommodating groove 1511, the accommodating groove 1511 is internally fixed with a first LED particle, a second LED particle, an ir-emitting particle and a condenser lens 1111, an opening of the accommodating groove 1511 is provided with a fixing plate 1512, the fixing plate 1512 has a certain inclination angle with respect to the vertical direction, the flat reflector 1121 is disposed in front of the condenser lens 1111 along the direction of light emitted from the condenser lens 1111, that is, the flat reflector 1121 is mounted on the fixing plate 1512, and therefore, the flat reflector 1121 is inclined together with the fixing plate 1512. The second fixing portion 152 fixes the arc plate reflectors 1122 such that the concave surfaces of the arc plate reflectors 1122 face the fresnel lens 1123, and the fixing bracket 15 is mounted on the inner side of the lamp housing 13 through the first fixing portion 151. In this embodiment, the lampshade 13 includes a transparent plate for emitting light and a side plate 131 for fixing the transparent plate, the side plate is L-shaped, wherein a vertical side plate 1311 in the vertical direction serves as a side wall of the lampshade 13, a horizontal side plate 1312 in the horizontal direction is provided with the transparent plate, and the transparent plate together form a bottom wall of the lampshade 13. In this embodiment, the fixing bracket 15 is mounted on the lateral plate 1312. The lighting system further comprises a first shock absorbing ring 132 and a pressing strip 133, the arc-plate reflector 1122 is arranged between the light-emitting source 111 and the background layer 12, the first shock absorbing ring 132 is arranged on the bottom wall of the lampshade 13, namely between the transparent plate and the Fresnel lens 1123, and damage caused by collision between the transparent plate and the Fresnel lens 1123 due to vibration of a vehicle body is prevented. The fresnel lens 1123 is fixed in the lamp housing 13 by the bead 133 and the first cushion ring 132, the first cushion ring 132 serves a cushioning function, and the bead 133 is also mounted on the lateral side plate 1312 of the side plate 131 and extends to the fresnel lens 1123 in a direction perpendicular to the length of the bead 133, and the fresnel lens 1123 is fixed between the bead 133 and the first cushion ring 132 in the vertical direction.

The light mixed by the condenser lens 111 is reflected by the flat reflector 1121 to the arc reflector 1122, and the concave surface of the arc reflector 1122 reflects the light reflected by the flat reflector 1121 to the fresnel lens 1123 again, and then the light is emitted through the fresnel lens 1123 in a direction perpendicular to the background layer 12.

The background plate 121 comprises a light guide plate 1211 and a background film 1212 for simulating a blue sky, wherein a barrier strip 1213 is arranged between the background film 1212 and the light guide plate 1211, and the barrier strip 1213 is arranged at the edge of the light guide plate 1211; the background light source 122 is disposed at an edge of the background plate 121, the background light source 122 includes third LED particles and fourth LED particles, the third LED particles are warm white LED particles with a color temperature of 2600K to 2800K, the fourth LED particles are cool white LED particles with a color temperature of 6300K to 6700K, the third LED particles and the fourth LED particles are arranged in a cross-mixing manner at the edge of the background plate 121, light emitted by the background light source 122 is transmitted by the light guide plate 1211 and is mixed with color by the background film 1212, and due to the existence of the barrier strips 1213, a certain distance exists between the background film 1212 and the light guide plate 1211, so that the light transmitted by the light guide plate 1211 can be mixed with color better by the background film to simulate a visual effect of a blue-day white cloud. Meanwhile, in order to prevent damage due to collision between the light guide plate 1211 and the rear cover 14 caused by vibration of the vehicle body, a shock absorbing cotton 134 and a second shock absorbing ring 135 surrounding the shock absorbing cotton 134 are disposed between the light guide plate 1211 and the rear cover 14 to perform a shock absorbing function.

Meanwhile, in order to make the wiring regular and prevent the wires from being worn and touched other metal structures to cause short circuit, the insulating tube 16 is arranged on the inner side wall of the lampshade 13, and the wires connecting the background light source 122 and the light-emitting light source 111 are arranged in the insulating tube 16.

The light emitting layer 11 is located below the background layer 12 along the light emitting direction of the train lamp, and the light emitted by the light emitting source 111 is emitted out of the train lamp through the light path system 112 under the irradiation of the background layer 12 to simulate the sunlight irradiation.

As shown in fig. 7, the control panel 2 includes a touch display screen 21, a decoding board 22, a fixing panel 23, a first driving board 24, a mounting bracket 25 and a rear cover 26, the decoding board 22 is mounted on the back of the touch display screen 21 and electrically connected to the touch display screen 21, four interfaces of morning, noon, afternoon and evening are fixedly displayed on the touch display screen 21, two modes of manual and automatic adjustment are set, and the color temperature and the brightness of the lighting system 1 can be adjusted by sliding a progress bar in the manual mode; in the automatic mode, the color temperature and brightness of the lighting system 1 are automatically controlled at different time intervals in a day to simulate the change of sunlight in the day. The fixed panel 23 fixes the touch display screen 21 and the decoder board 22, and the fixed panel 23 is mounted to the rear cover 26 through a mounting bracket 25 to enclose the first driving board 24 in the control panel 2.

As shown in fig. 8, the drive 3 includes an upper cover 31, an end plate 32, a bottom shell 33, a power supply 34, and a second driving plate 35, the upper cover 31, the end plate 32, and the bottom shell 33 form an outer shell of the drive 3, and the power supply 34 is electrically connected to the second driving plate 35, supplies power to the second driving plate 35, and is packaged together with the second driving plate 35 in the outer shell of the drive 3 formed by the upper cover 31, the end plate 32, and the bottom shell 33. The input end of the driver receives the signal input of the external current input and the CAN communication line 4, the PWM duty ratio is adjusted after decoding calculation so as to adjust the current, and the output end outputs 8 paths of power supply current to respectively control the brightness and the color temperature of two LED particles of the light-emitting light source 111 and two LED particles of the background light source 122, so that the purpose of dimming is achieved.

In this embodiment, the control panel 2 controls the driver 3 through the CAN communication line 4 based on the human-computer interaction UI interface; the driver receives 3 the command, adjusts the duty ratio of the PWM to change the current, and after the color mixing by the reflection and refraction of the lighting system 1, the lighting effect of morning, noon, afternoon, evening, etc. is generated.

The utility model provides a lamps and lanterns for train, the sky background through the blue sky cloudiness of background layer simulation, LED luminous element through different colour temperatures combines infrared luminous body, send the light that has the temperature, and then the simulation is close real sunlight, let the passenger can still experience the body sense change that the change of sunshine and the change of sunshine brought in the long-distance travel in-process, need satisfy the pursuit of people to sunshine, improve lighting quality, improve the environment by bus, optimize passenger's experience by bus.

Example two

The present embodiment provides a light source driver, which is used to drive the lighting system 1 of the lamp for a train described in the first embodiment to simulate sunlight on the train, and the light source driver provided in the present embodiment, i.e., the driver 3 in the first embodiment, will further specifically describe the driver 3 in the present embodiment.

The driver 3 includes an input end and an output end, the input end is connected with an external control signal end, i.e. the control panel 2 in the first embodiment, the output end is electrically connected with the lighting system 1, and the driver 3 adjusts the PWM duty ratio according to the external control signal received by the input end, i.e. the control signal of the control panel 2, so as to drive the lighting system 1 to simulate the sunlight irradiation.

The second driving board 35 has a plurality of LED driving circuit modules, and the LED driving circuit modules correspond to the LED light emitting modules one to drive the LED light emitting modules. In this embodiment, the LED light emitting module is the light emitting source 111 and the background light source 122 of the lighting system 1 in the first embodiment, and a plurality of first LED particles of the light emitting source 111 form an LED light emitting module; a plurality of second LED particles of the light emitting source 111 form an LED light emitting module; a plurality of third LED particles of the background light source 122 form an LED light emitting module; a plurality of fourth LED particles of the background light source 122 form an LED light emitting module; in this embodiment, there are 8 LED light emitting modules, and therefore, there are 8 LED driving circuit modules correspondingly.

Taking the LED driving circuit module of the LED light emitting module composed of the first LED particles for driving the light emitting source 111 as an example, the other LED driving circuit modules are the same as the LED driving circuit module circuit as an example.

As shown in fig. 9, the LED driving circuit module includes a driving chip U17, and the driving chip U17 has a VCC pin, a CS pin, a DIM pin, a Verf pin, a DR pin, and a GND pin.

The VCC pin is connected to a dc power supply, in this embodiment, the dc power supply is a 48V dc power supply, and is grounded through a capacitor C42, and a variable capacitor C41 is connected in parallel to the capacitor C42.

The DIM pin is an input terminal of the driver 3, is grounded through a resistor R28, and is connected to an external control signal terminal, i.e., the control panel 2, through a zener diode DS3 to receive a control signal of the control panel 2.

The CS pin and the DR pin are used as output ends of the driver 3, the CS pin is connected with an LED luminous body of the LED luminous module in series, namely the CS pin is connected with a plurality of first LED particle LEDs 1 to LEDN in series, and is sequentially connected with an inductor L9, a resistor B7 and a drain electrode of an N-channel field effect tube in series, a grid electrode of the N-channel field effect tube is connected with the DR pin through a resistor R62, a source electrode of the N-channel field effect tube is grounded and is connected with the grid electrode of the N-channel field effect tube through a resistor R63, and meanwhile, a parasitic diode Q5 is connected between the source electrode and. The drain electrode of the N-channel field effect transistor is grounded through a capacitor C51, a resistor B5, a capacitor C45 and a resistor R52 are sequentially connected between the drain electrode of the N-channel field effect transistor and a VCC pin in series, a resistor B5 and two diodes DS7 which are connected in parallel are further connected between the drain electrode of the N-channel field effect transistor and the VCC pin, and the two diodes DS7 are connected in parallel and then connected in series with a resistor B5.

The Verf pin is grounded through a capacitor C48 and connected to the DIM pin through a resistor R26.

The LED driving circuit module comprises a resistor R50, a resistor R53 and a diode D8, wherein the resistor R50, the resistor R53 and the diode D8 are connected in parallel, one ends of the resistor R50, the resistor R53 and the diode D8 which are connected in parallel are connected with a VCC pin, namely the common ends of the resistor R50, the resistor R53 and the diode D8 are connected with the VCC pin, the other ends of the resistor R50, the resistor R53 and the diode D8 which are connected in parallel are connected between the first LED particle LEDs 1-LEDN and the inductor L9 through a variable capacitor C47, the variable capacitor C47 is connected with a resistor R60 in parallel, and the VCC pin is connected with the CS pin through a resistor R50.

The GND pin is grounded.

The LED light emitting modules formed by other second LED particles, the LED light emitting module formed by third LED particles, and the LED light emitting module formed by fourth LED particles have the same LED driving circuit module as the LED driving circuit module shown in fig. 9, and are not described herein again.

The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.

Claims

1. The utility model provides a lamps and lanterns for train, its characterized in that lamps and lanterns for train are used for simulating the sunlight irradiation on the train, including lighting system, lighting system includes background layer and luminescent layer, the background layer is including the background board that is used for simulating the blue sky and is used for lighting up the background light source of background board, the luminescent layer includes the luminescent light source that is used for simulating the sunlight and the light path system that is used for the light that sends luminescent light source to shoot out, follows the direction that the light of lamps and lanterns for train jetted out, the luminescent layer is located under the background layer, the light that the luminescent light source sent is in under the irradiation of background layer, through light path system jets out lamps and lanterns for train to simulate the sunlight irradiation.

2. The light for train as set forth in claim 1, wherein: luminous light source includes first LED granule, second LED granule, infrared luminous granule and condensing lens, first LED granule is the warm white light LED granule of colour temperature 2900K to 3100K, the second LED granule is colour temperature 5500K to 5700K's white light LED granule, the light that first LED granule, second LED granule and infrared luminous granule sent by condensing lens mixes to the simulation sunlight.

3. The light for train as set forth in claim 2, wherein: the light source is arranged at the edge of the background layer, the light path system comprises a flat plate light reflecting piece, an arc plate light reflecting piece and a Fresnel lens, the Fresnel lens is parallel to the background layer, the arc plate light reflecting piece is arranged between the light source and the background layer, the concave surface of the arc plate light reflecting piece faces the Fresnel lens and is arranged in the front of the condensing lens along the direction of the light emitted by the condensing lens, the light mixed by the condensing lens is reflected to the arc plate light reflecting piece by the flat plate light reflecting piece, and the light reflected by the flat plate light reflecting piece is reflected to the Fresnel lens again by the concave surface of the arc plate light reflecting piece and is emitted in the direction perpendicular to the background layer by the Fresnel lens.

4. The light for train as set forth in claim 3, wherein: the lighting system comprises a lampshade and a fixed support, the fixed support comprises a first fixed part and a second fixed part, the first fixed part is used for fixing the first LED particles, the second LED particles, the infrared light-emitting particles, the condensing lens and the flat-plate reflector, the second fixed part is used for fixing the arc-plate reflector, and the fixed support is arranged on the inner side of the lampshade through the first fixed part.

5. The light for train as set forth in claim 4, wherein: the lighting system further comprises a first damping ring and a pressing strip, the first damping ring is arranged between the bottom wall of the lamp shade and the Fresnel lens, and the Fresnel lens is fixed in the lamp shade through the pressing strip and the first damping ring.

6. The light for train as set forth in claim 4, wherein: the background layer comprises a light guide plate and a background film for simulating a blue sky, the background light source is arranged at the edge of the background plate, and light rays emitted by the background light source are transmitted by the light guide plate and are mixed by the background film.

7. The light for train as set forth in claim 6, wherein: and an isolating strip is arranged between the background film and the light guide plate and is arranged at the edge of the light guide plate.

8. The light for train as set forth in claim 6, wherein: the lighting system further comprises a rear cover, shock-absorbing cotton and a second shock-absorbing ring surrounding the shock-absorbing cotton are arranged between the light guide plate and the rear cover, and the rear cover is connected to the lampshade and forms the outer shell of the lighting system.

9. The light for train as set forth in claim 6, wherein: the background light source comprises third LED particles and fourth LED particles, the third LED particles are warm white LED particles with color temperatures of 2600K to 2800K, the fourth LED particles are cold white LED particles with color temperatures of 6300K to 6700K, and the third LED particles and the fourth LED particles are arranged on the edge of the background plate in a crossed and mixed mode.

10. A train lamp according to any one of claims 4 to 9, wherein: the inner side wall of the lampshade is provided with an insulating tube, and an electric wire for connecting the background light source and the luminous light source is arranged in the insulating tube.