High-performance photoreceptor for railway train

By designing a high-performance light sensor for railway trains, the problem of light intensity adjustment in extremely strong or weak light environments has been solved, enabling precise brightness detection and real-time adjustment, thereby improving passenger comfort and intelligent services.

CN223807973UActive Publication Date: 2026-01-16JIANGSU JIANHU AUDIO VISUAL TECH CO LTD
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Patent Information

Application Number
CN202423105400.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing train lighting and display systems are unable to sense and adjust light intensity in extremely strong or weak light environments, affecting passengers' sensory experience and eye health.

Method used

A high-performance photosensitive sensor for railway trains was designed, comprising a panel, a photosensitive dome, a photosensitive PCB board, an insulating sheet, a housing, a base plate, a waterproof power supply harness, and a grounding harness. It accurately detects the brightness inside and outside the train and adjusts the brightness of lights and display devices to cope with changes in ambient light.

Benefits of technology

It achieves accurate detection of brightness in different areas of the train and adjusts the brightness of lighting and display equipment in real time according to the brightness difference, improving passenger comfort and intelligent service experience, while also being waterproof and electrically safe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of photoreceptors, in particular to a high-performance photoreceptor for a railway train, which adopts the following scheme that the high-performance photoreceptor comprises a panel, the front surface of a product is positioned, and the back surface of the product is provided with a pressing rivet screw for mounting an internal photosensitive device; the photosensitive ball cover is embedded in the middle of the panel; and a spherical cover sponge pad is arranged between the photosensitive PCB and the photosensitive spherical cover and is used for satisfying the contact damping and buffering requirements of the photosensitive spherical cover and the photosensitive PCB. As a high-performance light sensing device, the light sensing device can more accurately detect the brightness of different areas of a train and feed back the brightness to a train host system, and the brightness of illumination and display devices is adjusted in time according to the brightness difference. The system is highly modernized, scientific and intelligent, and has the effects of improving intelligent services, and improving the comfort and satisfaction of passengers during travel.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a photosensitive device technical field, especially a kind of high-performance photosensitive device of railway train. BACKGROUND

[0002] The train carriage is realized by some lighting devices such as luggage rack light, passenger room lighting lamp, reading lamp in the train carriage to achieve the lighting effect, and the train arrival station and other key information are displayed by various LCD and LED devices.The existing train lighting and display system itself often does not have the function of sensing and adjusting light, and the light intensity difference between inside and outside of passenger room is obvious in the environment of strong light on sunny day and weak light on rainy day, and the light intensity difference affects the passenger's sensory experience and may affect eye health. SUMMARY

[0003] The utility model aims at the defects of prior art, provides a kind of high-performance photosensitive device of railway train, to solve the problems in the above background.

[0004] A kind of high-performance photosensitive device of railway train, including panel, the front of product, back has the press-in screw for installing internal photosensitive device;

[0005] Photosensitive ball cover, photosensitive ball cover is embedded in the middle part of panel;

[0006] Photosensitive PCB board, ball cover sponge pad is arranged between photosensitive PCB board and photosensitive ball cover, to meet the contact damping, buffering requirement of photosensitive ball cover and photosensitive PCB board;

[0007] Insulating sheet, it is arranged between photosensitive PCB board and panel, to block photosensitive PCB board and panel, ensure electrical safety;

[0008] Shell, sealing rubber pad is arranged between shell and panel, to realize the complete sealing between shell and panel, to meet waterproof;

[0009] Bottom plate, sealing rubber pad is also arranged between shell and bottom plate, to realize the complete sealing between shell and bottom plate, to meet waterproof;

[0010] Waterproof power supply wire harness, it is installed on bottom plate, equipped with waterproof connector and power connector, for power supply and signal transmission, while meeting waterproof requirement;

[0011] Ground wire harness, it is installed on bottom plate by flat washer, spring washer and self-locking nut, for product grounding.

[0012] By adopting the above technical scheme, the brightness inside and outside the train can be accurately detected, and the light and display device brightness can be adjusted accordingly to cope with the change of environmental light and the experience demand of passengers.

[0013] One end surface of the panel is bonded with a single-sided adhesive sponge pad, which is used for product installation shock absorption.

[0014] By adopting the above technical scheme, the adhesive part can be bonded on the metal panel of the product, which is used for product installation shock absorption.

[0015] The panel and the light-sensitive dome are bonded by sealing glue to meet the waterproof requirement.

[0016] By adopting the above technical scheme, the waterproof performance is ensured.

[0017] The insulating sheet is in a ring structure, and the inner diameter is greater than the diameter of the light-sensitive dome and is distributed on the periphery of the light-sensitive dome.

[0018] By adopting the above technical scheme, the light-sensitive PCB and the metal panel are blocked to ensure electrical safety.

[0019] The waterproof power line harness is equipped with waterproof connectors and power connectors, which are used for power supply and signal transmission, and meet the waterproof requirement.

[0020] By adopting the above technical scheme, the waterproof performance of the device is ensured.

[0021] The beneficial effects of the high-performance photosensor for railway trains are as follows:

[0022] 1. As a high-performance photosensitive device, the product can more accurately detect the brightness of different areas of the train and feed back to the train host system, and adjust the brightness of the lighting and display equipment in time according to the brightness difference. It is highly modernized, scientific and intelligent, and its effect is to improve intelligent service and passenger travel comfort and satisfaction;

[0023] 2. The product has a good overall appearance, simple structure and installation, and is convenient for vehicle body installation and maintenance. DRAWINGS

[0024] Figure 1 The utility model provides a whole structure schematic view of the high-performance photosensor for railway trains;

[0025] Figure 2 Another view structure schematic view of the high-performance photosensor for railway trains is provided in the utility model;

[0026] Figure 3 The first schematic view of the structure explosion distribution of the high-performance photosensor for railway trains is provided in the utility model;

[0027] Figure 4 The second schematic view of the structure explosion distribution of the high-performance photosensor for railway trains is provided in the utility model;

[0028] Figure 5The utility model discloses a railway train high performance photosensitive device's structure explosion third schematic distribution drawing is provided.

[0029] In the drawing: 1, single side with adhesive sponge pad; 2, screw; 3, panel; 4, insulating sheet; 5, photosensitive ball cover; 6, sealant; 7, ball cover sponge pad; 8, combined gasket; 9, photosensitive PCB board; 10, self-locking nut one; 11, sealant pad; 12, shell; 13, bottom plate; 14, waterproof power line bundle; 15, flat washer; 16, spring washer; 17, self-locking nut two; 18, ground wire bundle. DETAILED DESCRIPTION

[0030] The utility model discloses a railway train high performance photosensitive device's structure explosion third schematic distribution drawing is provided.

[0031] Referring to Figures 1-5 A kind of railway train high performance photosensitive device, including single side with adhesive sponge pad 1: adhesive part is bonded on the metal panel 3 of product, for product installation shock absorption and buffering;

[0032] Screw 2 is M4x10 cross groove countersunk screw: for fastening panel 3 and shell 12 and bottom plate 13 and shell 12;

[0033] Panel 3: the front of product, aluminum material surface sandblasting anodic oxidation treatment, guarantee appearance high and tall, with the characteristics of high strength and light weight, panel 3 is embedded in photosensitive ball cover 5.

[0034] Insulating sheet 4: be arranged between photosensitive PCB board 9 and panel 3, for blocking photosensitive PCB board 9 and metal panel 3, guarantee electrical safety;

[0035] Photosensitive ball cover 5: high-strength, impact-resistant material, for receiving light of photosensitive chip;

[0036] Sealant 6: photosensitive ball cover 5 and panel 3 are bonded by sealant 6, to meet waterproof requirement;

[0037] Ball cover sponge pad 7: for meeting the contact shock absorption and buffering requirement of photosensitive ball cover 5 and photosensitive PCB board 9;

[0038] Combined gasket 8: for installing photosensitive PCB board 9;

[0039] Photosensitive PCB board 9: the PCB board of photosensitive chip, mainly for receiving light and data analysis, transmission;

[0040] Self-locking nut one 10 is M3 self-locking nut: for locking photosensitive PCB board 9;

[0041] The combination of gasket 8 and self-locking nut 10 can install the photosensitive PCB 9 on the panel 3.

[0042] The sealing gasket 11: there is a gap between the housing 12 and the panel 3 and the bottom plate 13 after installation, which can be completely sealed by the sealing gasket 11 to meet the waterproof requirement;

[0043] The housing 12: made of aluminum material with sandblasting and anodic oxidation treatment, ensuring a high appearance while having high strength and light weight characteristics, with a hollow structure inside for installing PCB and other internal components;

[0044] The bottom plate 13: made of aluminum material with sandblasting and anodic oxidation treatment, ensuring a high appearance while having high strength and light weight characteristics;

[0045] The waterproof power line bundle 14: equipped with waterproof connectors and power connectors for power supply and signal transmission, while meeting the waterproof requirement, the waterproof power line bundle 14 is installed on the bottom plate 13;

[0046] The flat washer 15: used for installing the grounding wire bundle 18;

[0047] The spring washer 16: used for installing the grounding wire bundle 18, with a certain degree of anti-loose function;

[0048] The self-locking nut 17: M6 self-locking nut, used for installing the grounding wire bundle 18, with an anti-loose function;

[0049] The grounding wire bundle 18: used for product grounding, which can be installed on the bottom plate 13 through the flat washer 15, spring washer 16 and self-locking nut 17.

[0050] One end of the panel 3 is bonded with a single-sided adhesive sponge pad 1 for product installation and shock absorption; the panel 3 and the photosensitive dome 5 are bonded by the sealing glue 6 to meet the waterproof requirement; the insulating sheet 4 is in a ring structure with an inner diameter larger than the diameter of the photosensitive dome 5 and is distributed around the photosensitive dome 5; the waterproof power line bundle 14 is equipped with waterproof connectors and power connectors for power supply and signal transmission, while meeting the waterproof requirement. The photosensitive PCB 9 converts the light signal into a voltage signal through the light sensor, and the voltage signal is output as a current signal through an operational amplifier. Different light intensities output different current signals.

[0051] As a high-performance photosensitive device, this product can more accurately detect the brightness of different areas of the train and feed back to the train host system, and adjust the brightness of the lighting and display devices in time according to the brightness difference. It is highly modernized, technological and intelligent, and its effect is to improve intelligent services and improve passenger travel comfort and satisfaction;

[0052] And the product overall appearance is good, the structure is simple to install, and the vehicle body is convenient to install and maintain; the customized product appearance and installation mode can be used in trains, platforms and other positions requiring sensing light intensity. The appearance and protection level can be further improved according to different use requirements.

[0053] The above-mentioned embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A high performance photoreceptor for a railway train, characterized by: Comprising a panel (3) where the front of the product is located, the back of which has a press-in screw for installing the internal photosensitive device; a photosensitive ball cover (5) embedded in the middle of the panel (3); a photosensitive PCB board (9) between which and the photosensitive ball cover (5) a ball cover sponge pad (7) is arranged to meet the contact damping and buffering requirements of the photosensitive ball cover (5) and the photosensitive PCB board (9); an insulating sheet (4) arranged between the photosensitive PCB board (9) and the panel (3) to block the photosensitive PCB board (9) and the panel (3) and ensure electrical safety; a shell (12) between which and the panel (3) a sealing rubber pad (11) is arranged to achieve complete sealing between the shell (12) and the panel (3) to meet waterproof requirements; a bottom plate (13) between which and the shell (12) a sealing rubber pad (11) is also arranged to achieve complete sealing between the shell (12) and the bottom plate (13) to meet waterproof requirements; a waterproof power cord (14) installed on the bottom plate (13) and equipped with waterproof connectors and power connectors for power supply and signal transmission while meeting waterproof requirements; a grounding cord (18) installed on the bottom plate (13) through a flat washer (15), a spring washer (16), and a self-locking nut (17) for product grounding.

2. The high performance photoreceptor for a railway car according to claim 1, wherein: One end of the panel (3) is bonded with a single-sided adhesive sponge pad (1) for product installation damping and buffering.

3. The high performance photoreceptor for a railway car of claim 2 wherein: The panel (3) and the photosensitive ball cover (5) are bonded by sealing glue (6) to meet waterproof requirements.

4. The high performance photoreceptor for a railway car of claim 3 wherein: The insulating sheet (4) is in a ring structure, the inner diameter of which is larger than the diameter of the photosensitive ball cover (5) and is distributed around the photosensitive ball cover (5).