CN108248626B - Automatic adjusting headlamp system on rail train and control method - Google Patents
Automatic adjusting headlamp system on rail train and control method Download PDFInfo
- Publication number
- CN108248626B CN108248626B CN201711291222.3A CN201711291222A CN108248626B CN 108248626 B CN108248626 B CN 108248626B CN 201711291222 A CN201711291222 A CN 201711291222A CN 108248626 B CN108248626 B CN 108248626B
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- Prior art keywords
- head lamp
- light source
- source driving
- pressure sensor
- processor circuit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D29/00—Lighting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to an automatic head lamp adjusting system on a rail train, which comprises a head lamp arranged at the top of the rail train, a pressure sensor arranged below a seat in the rail train, and a light source driving system connected with the head lamp and the pressure sensor, wherein the light source driving system is used for controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state when detecting that the output voltage of the pressure sensor is less than a threshold voltage and is maintained for more than a threshold time. Thereby carry out self-adaptation control to rail train's headlight through the state that detects on the seat, reduce the power consumption, realize automated management.
Description
Technical Field
The invention belongs to the field of control of equipment on a rail train, and particularly relates to an automatic adjusting headlamp system on the rail train and a control method thereof.
Background
At present, in order to provide an independent and comfortable environment for each passenger on a rail train, headlamps controlled by each passenger independently are often provided, and the adjustment of the passengers is convenient according to the needs of the passengers. However, in the actual use process, after the passengers arrive at the destination station, the illumination of the headlights is still continued or is still in a high energy consumption state, so that the waste of electric energy is serious, and the surrounding passengers using the headlights are also affected. The headlights are generally positioned above the seat, and the existing headlight control system cannot automatically adjust according to whether the seat is occupied or not.
Disclosure of Invention
The invention aims to solve the problems that the existing headlamp control system cannot be adjusted in a self-adaptive mode and wastes serious electric energy, and on one hand, the invention provides an automatic adjusting headlamp system on a rail train.
Further, the light source driving system comprises a light source driving circuit and a processor circuit connected with the light source driving circuit, wherein the processor circuit is connected with the pressure sensor, and when the processor circuit detects that the output voltage of the pressure sensor is smaller than a threshold voltage and is maintained for more than a threshold time, the processor circuit controls the head lamp to be turned off or controls the head lamp to be in a low power consumption state.
The system further comprises a knob switch arranged on the rail train, the knob switch is connected with the processor circuit, and the processor circuit reads the output voltage of the knob switch and controls the illumination brightness of the headlamp.
Further, the processor circuit is also used for detecting that the output voltage of the pressure sensor is smaller than a threshold voltage and maintains for more than a threshold time, and cutting off the control of the knob switch on the headlamp, and directly controlling the headlamp to be turned off or to be in a low power consumption state.
Further, the threshold time is 1 min.
On the other hand, the invention also provides a control method of the automatic adjusting headlamp system on the rail train, wherein the automatic adjusting headlamp system comprises a headlamp arranged at the top of the rail train, a pressure sensor arranged below a seat in the rail train, and a light source driving system connected with the headlamp and the pressure sensor; the control method includes the steps of;
s110, the light source driving system detects the output voltage of the pressure sensor;
and S120, controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state when the output voltage is judged to be smaller than the threshold voltage and is maintained for more than threshold time.
Further, the light source driving system includes a light source driving circuit, and a processor circuit connected to the light source driving circuit, and the step S110 includes: the processor circuit detects the pressure sensor output voltage; the step S120 includes: and when the processor circuit judges that the output voltage is less than the threshold voltage and is maintained for more than threshold time, the headlamp is controlled to be turned off or is controlled to be in a low power consumption state.
Further, the automatic adjustment headlight system further comprises a knob switch connected to the processor circuit, and the control method further comprises:
and S130, the processor circuit receives the output voltage of the knob switch and controls the voltage output to the head lamp by the light source driving circuit according to the output voltage.
Further, the step S120 further includes turning off the control of the headlight by the knob switch when the processor circuit determines that the output voltage is less than a threshold voltage and is maintained for a threshold time or longer.
Further, the threshold time is 1 mim.
Through the technical scheme of the embodiment, the headlamp control system adjusts the brightness or the output power consumption of the headlamp by detecting the state of the passenger on the seat, so that the adaptive control is realized, and the energy consumption is reduced.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 is a schematic illustration of an in-train configuration of a rail train in some embodiments of the present invention;
FIG. 2 is a schematic diagram of a system for automatically adjusting a headlight system on a railroad train in accordance with some embodiments of the present invention;
fig. 3 is a flow chart illustrating a method for controlling an automatic headlamp system on a railroad train according to some embodiments of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The inventionThe headlights above the seats are controlled by detecting the state of the seats on the rail train, so that self-adaptive control is realized. Specifically, as shown in fig. 1 and fig. 2, the present invention provides an automatic headlamp system 100 on a rail train, including a headlamp 110 disposed at the top 210 of the rail train, a pressure sensor 120 disposed below a seat 220 in the rail train, and a light source driving system 130 connected to the headlamp 110 and the pressure sensor 120, wherein the light source driving system 130 is configured to control the headlamp 110 to turn off or control the headlamp 110 to be in a low power consumption state when an output voltage of the pressure sensor 120 is detected to be less than a threshold voltage and maintained for a threshold time or more. Setting the low power consumption state to set the brightness of the headlamp 110 to be low, or turning off a part of the LED lamp groups in the headlamp so that the illumination brightness is at the brightness threshold, which may be 10‐2The cd per square meter can also be set according to actual needs; the headlights 110 may also be turned off automatically in a sunny environment. The system of the invention judges that no person is in the seat by judging that the pressure acting time on the seat 220 is less than the threshold value, and further judges that no person is in the seat when the time of the unmanned state exceeds the threshold value time, the system judges that no person is in the seat, and can turn off the head lamp 110 above the seat 220 or adjust the display brightness, thereby reducing the energy consumption. The pressure sensor 120 in the embodiment of the present invention has a pressure-bearing capacity proportional to the output voltage.
Further, the light source driving system 130 includes a light source driving circuit 131, and a processor circuit 132 connected to the light source driving circuit 131, wherein the processor circuit 132 is connected to the pressure sensor 120, and the processor circuit 132 controls the headlight 110 to turn off or controls the headlight 110 to be in a low power consumption state when the output voltage of the pressure sensor 120 is detected to be less than a threshold voltage and maintained for a threshold time or more. Specifically, the processor circuit 132 controls the headlight 110 by sending PWM waves with different duty ratios to the light source driving circuit 131, and the light source driving circuit 131 generates different voltage or current driving signals to the headlight 110.
The processor circuit 132 may be a single chip circuit, an ARM processor circuit, or the like.
In order to facilitate passengers to adjust the light environment according to their own needs, the lighting system further comprises a knob switch 140 disposed on the rail train 200, the knob switch 140 is connected to the processor circuit 132, the processor circuit 132 reads the output voltage of the knob switch 140 to control the lighting brightness of the headlights 110, the knob switch 140 may adopt a potentiometer or a sliding rheostat to output different voltages to the processor circuit 131 to represent the requirements of different brightness, and the processor circuit 131 controls the headlights 110 according to different voltage signals sent by the knob switch 140. The processor circuit 131 is further configured to switch off the control of the headlight 110 by the knob switch 140 when the output voltage of the pressure sensor 120 is detected to be less than a threshold voltage and maintained for a threshold time or more, and directly control the headlight to be turned off or to be in a low power consumption state. For example, the threshold time may be set to 1 minute and the threshold voltage may be set to 3.3V.
The system disclosed by the invention can be used for carrying out self-adaptive control on the head lamp of the rail train by detecting the state on the seat, so that the energy consumption is reduced.
On the other hand, the embodiment of the present invention further provides a control method for an automatic adjustment headlight system on a rail train according to the above system, wherein the automatic adjustment headlight system comprises a headlight arranged at the top of the rail train, a pressure sensor arranged below a seat in the rail train, and a light source driving system connected with the headlight and the pressure sensor; as shown in fig. 3, the control method includes the steps of;
s110, the light source driving system detects the output voltage of the pressure sensor;
and S120, controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state when the output voltage is judged to be smaller than the threshold voltage and is maintained for more than threshold time.
The light source driving system includes a light source driving circuit and a processor circuit connected to the light source driving circuit, and the step S110 includes: the processor circuit detects the pressure sensor output voltage; the step S120 includes: and when the processor circuit judges that the output voltage is less than the threshold voltage and is maintained for more than threshold time, the headlamp is controlled to be turned off or is controlled to be in a low power consumption state. The low power consumption state is set to set the brightness of the headlight 110 to be low or to turn off a part of the LED lamp groups in the headlight.
The automatic adjustment headlamp system further comprises a knob switch in circuit connection with the processor, and the control method further comprises:
and S130, the processor circuit receives the output voltage of the knob switch and controls the voltage output to the head lamp by the light source driving circuit according to the output voltage.
The step S120 further includes turning off the control of the headlight by the knob switch when the processor circuit determines that the output voltage is less than the threshold voltage and is maintained for the threshold time or more.
The threshold time is 1min, and the threshold voltage is 3.3 v.
According to the method, the state of the seat is detected, so that the head lamp of the rail train is subjected to self-adaptive control, the energy consumption is reduced, and automatic management is realized.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. An automatic head lamp adjusting system on a rail train is characterized by comprising a head lamp arranged at the top of the rail train, a pressure sensor arranged below a seat in the rail train, and a light source driving system connected with the head lamp and the pressure sensor, wherein the light source driving system is used for controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state when detecting that the output voltage of the pressure sensor is smaller than a threshold voltage and is maintained for more than a threshold time; the light source driving system comprises a light source driving circuit and a processor circuit connected with the light source driving circuit, wherein the processor circuit is connected with the pressure sensor, and when the processor circuit detects that the output voltage of the pressure sensor is smaller than a threshold voltage and is maintained for more than a threshold time, the processor circuit controls the head lamp to be turned off or controls the head lamp to be in a low power consumption state; the system also comprises a knob switch arranged on the rail train, the knob switch is connected with the processor circuit, and the processor circuit reads the output voltage of the knob switch and controls the illumination brightness of the head lamp; the processor circuit is also used for cutting off the control of the knob switch on the head lamp when the output voltage of the pressure sensor is less than the threshold voltage and is maintained for more than the threshold time, directly controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state, and the threshold time is 1 min.
2. The control method of the automatic adjusting headlamp system on the rail train is characterized in that the automatic adjusting headlamp system comprises a headlamp arranged at the top of the rail train, a pressure sensor arranged below a seat in the rail train, and a light source driving system connected with the headlamp and the pressure sensor; the control method includes the steps of;
s110, the light source driving system detects the output voltage of the pressure sensor;
s120, when the output voltage is judged to be smaller than the threshold voltage and is maintained for more than threshold time, controlling the head lamp to be turned off or controlling the head lamp to be in a low power consumption state; wherein:
the light source driving system includes a light source driving circuit and a processor circuit connected to the light source driving circuit, and the step S110 includes: the processor circuit detects the pressure sensor output voltage; the step S120 includes: when the processor circuit judges that the output voltage is smaller than the threshold voltage and is maintained for more than threshold time, the head lamp is controlled to be turned off or is controlled to be in a low power consumption state;
the automatic adjustment headlamp system further comprises a knob switch in circuit connection with the processor, and the control method further comprises:
s130, the processor circuit receives the output voltage of the knob switch and controls the voltage output to the head lamp by the light source driving circuit according to the output voltage;
the step S120 further includes that the processor circuit turns off the control of the knob switch to the headlight when the processor circuit determines that the output voltage is less than a threshold voltage and is maintained for a threshold time or longer;
the threshold time is 1 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291222.3A CN108248626B (en) | 2017-12-08 | 2017-12-08 | Automatic adjusting headlamp system on rail train and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291222.3A CN108248626B (en) | 2017-12-08 | 2017-12-08 | Automatic adjusting headlamp system on rail train and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108248626A CN108248626A (en) | 2018-07-06 |
| CN108248626B true CN108248626B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711291222.3A Active CN108248626B (en) | 2017-12-08 | 2017-12-08 | Automatic adjusting headlamp system on rail train and control method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291948B (en) * | 2018-10-17 | 2023-09-01 | 山东明锐光电科技有限公司 | Intelligent control system for lighting of passenger room of rail transit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7253744B2 (en) * | 2005-05-23 | 2007-08-07 | The Boeing Company | Automatically adjusting passenger reading light system and method |
| WO2009063148A1 (en) * | 2007-10-01 | 2009-05-22 | Alstom Transport Sa | Transport vehicle, in particular a railway carriage, comprising a passenger compartment lighting device |
| CN102878498A (en) * | 2011-07-11 | 2013-01-16 | 联合技术公司 | Reading light unit and system of a light control unit and a reading light unit |
| CN104068679A (en) * | 2014-07-17 | 2014-10-01 | 陈华 | System capable of controlling switch of lamplight |
| CN106103280A (en) * | 2014-02-28 | 2016-11-09 | 庞巴迪公司 | For controlling method, system and the executable program product of passenger services |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009054698A1 (en) * | 2009-12-15 | 2011-06-16 | Airbus Operations Gmbh | Method for positioning at least one component, in particular a seat, in or on an aircraft or spacecraft, and aircraft or spacecraft |
-
2017
- 2017-12-08 CN CN201711291222.3A patent/CN108248626B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7253744B2 (en) * | 2005-05-23 | 2007-08-07 | The Boeing Company | Automatically adjusting passenger reading light system and method |
| WO2009063148A1 (en) * | 2007-10-01 | 2009-05-22 | Alstom Transport Sa | Transport vehicle, in particular a railway carriage, comprising a passenger compartment lighting device |
| CN102878498A (en) * | 2011-07-11 | 2013-01-16 | 联合技术公司 | Reading light unit and system of a light control unit and a reading light unit |
| CN106103280A (en) * | 2014-02-28 | 2016-11-09 | 庞巴迪公司 | For controlling method, system and the executable program product of passenger services |
| CN104068679A (en) * | 2014-07-17 | 2014-10-01 | 陈华 | System capable of controlling switch of lamplight |
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| Publication number | Publication date |
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| CN108248626A (en) | 2018-07-06 |
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