CN112566303A - Novel multifunctional indicating lamp for platform door - Google Patents
Novel multifunctional indicating lamp for platform door Download PDFInfo
- Publication number
- CN112566303A CN112566303A CN202011617259.2A CN202011617259A CN112566303A CN 112566303 A CN112566303 A CN 112566303A CN 202011617259 A CN202011617259 A CN 202011617259A CN 112566303 A CN112566303 A CN 112566303A
- Authority
- CN
- China
- Prior art keywords
- lamp
- control
- panel
- indicator lamp
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011324 bead Substances 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000011049 pearl Substances 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/30—Driver circuits
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
A novel multifunctional indicator lamp for a platform door comprises an indicator lamp control panel and an indicator lamp panel, wherein the indicator lamp control panel comprises a microcontroller, a power circuit, an external signal input interface and an indicator lamp panel control signal output interface; the gate control unit controls the indicator lamp panel control signal output interface to output a control signal by inputting a high-low pulse trigger signal to an external signal input interface of the microcontroller; the power supply circuit provides a driving power supply for the indicator lamp control panel and the indicator lamp panel. The pilot lamp plate can set up the input signal as pilot lamp plate of control signal or the input signal as pilot lamp plate of four ways control signal all the way to improve the reliability control of pilot lamp pearl. The indicator lamp panel is provided with indication information such as display graphs, characters, flickering or dynamic marks.
Description
Technical Field
The invention relates to the technical field of platform door indicator lamps, in particular to a novel multifunctional indicator lamp for a platform door.
Background
With the continuous development of smart cities and smart subways, the subway platform door industry also can bear more responsibilities and tasks. Most platform door pilot lamps only possess at present and carry out acousto-optic warning function at the switch sliding door in-process, but along with the intelligent improvement of subway platform door, for better provide convenient, clear, striking prompt facility for the passenger, put forward higher requirement to the pilot lamp.
The platform door pilot lamp generally comprises monochromatic or double-colored lamp pearl, it is through often bright, scintillation, different instruction state of the door body is represented to forms such as extinguishing, the control signal and the power of pilot lamp are generally provided by the gate unit, the platform door pilot lamp divides sliding door pilot lamp, emergency door pilot lamp and end door pilot lamp, the outward appearance and the size of different door body pilot lamps keep unanimous, the function respectively differs according to the effect of different door bodies, and the realization of function is through realizing the instruction functions such as the lighting of pilot lamp, the extinguishing and the buzzing of bee calling organ to the pilot lamp interface input different control signal, thereby notice the running state of platform door when reminding the passenger to get on and off the train, guarantee passenger's safe trip.
Because the instruction function form of present platform door pilot lamp is single, simple, if want to instruct other functions of platform door through the pilot lamp, the present platform door pilot lamp can't realize more images or characters etc. from the quantity and the aspect of colour of pilot lamp and symbolic instruction function, in case the passenger passes through the unable clear guide of instruction function, this will cause bad influence for the orderly progress of public transport, leads to the passenger to take a bus the orderly disorder crowded, reduces passenger's comfort level of taking a bus.
Disclosure of Invention
The invention aims to provide a more vivid door body state indicating function for a sliding door, an emergency door and an end door of a platform door system, and provides a novel multifunctional indicating lamp for the platform door, which displays state marks of different door bodies.
The object of the invention is achieved in the following way:
a novel multifunctional indicator lamp for a platform door comprises an indicator lamp control panel and an indicator lamp panel, wherein the indicator lamp control panel comprises a microcontroller, a power circuit, an external signal input interface and an indicator lamp panel control signal output interface; the gate control unit controls the indicator lamp panel control signal output interface to output a control signal by inputting a high-low pulse trigger signal to an external signal input interface of the microcontroller; the power supply circuit provides a driving power supply for the indicator lamp control panel and the indicator lamp panel.
The external signal input interface is not less than one path, each path of external input interface represents a state of a sliding door, an emergency door or an end door body, each path of input signal is input to an I/O port corresponding to the microcontroller after the action of the resistor and the optical coupler, and the microcontroller triggers an internal signal to control an output signal of the microcontroller.
The pilot lamp plate control signal output interface is 4 ways, and pilot lamp plate control signal output includes two kinds of control mode, is control signal and four ways control signal respectively all the way.
When the lamp panel of the indicator lamp adopts a path of control signal, the lamp panel of the indicator lamp displays a picture or a character mark; when the indicator lamp panel adopts four ways control signal, the indicator lamp panel does not show picture or characters sign, and four ways control signal are independent signal respectively.
Each group of intelligent LED lamp beads is 256, the intelligent LED lamp beads of the lamp panel of the indicator lamp comprise two connection modes, namely series control and parallel control, and the output signal of the previous lamp bead in the series control is the input signal of the next lamp bead; the parallel control is to divide the two groups of intelligent LED lamp beads into four paths for parallel connection.
The indicating lamp control panel is provided with a serial port communication interface for information interaction between the indicating lamp and other equipment.
The indicator light control panel is connected with a loudspeaker for voice prompt.
The invention has the beneficial effects that: compared with the prior art, the invention has the following advantages: 1. the lamp panel of the indicator lamp can be provided with one path of control signal as an input signal of the lamp panel of the indicator lamp or four paths of control signals as input signals of the lamp panel of the indicator lamp, so that the reliability control of the lamp beads of the indicator lamp is improved; 2. the indicating lamp control board is provided with a serial port communication interface for information interaction between the indicating lamp and other equipment; 3. the indicator lamp panel is provided with indication information such as display graphs, characters, flickering or dynamic marks.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Fig. 2 is a power supply circuit diagram in the present invention.
Fig. 3 is a circuit diagram of the indicator light control board of the present invention.
Fig. 4 is a circuit diagram 1 of the lamp panel of the indicator lamp of the invention.
Fig. 5 is a circuit diagram of a lamp panel of the indicator lamp of the invention 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same technical meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be further understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, devices, components, and/or combinations thereof.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the respective parts or elements of the present invention, and are not intended to refer to any part or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The invention controls and outputs the control signal of the I/O port by inputting high and low pulse trigger signals to different I/O ports of the microcontroller, and is used for realizing the display of indicating signs with different graphs on the indicating lamp panel, so that the indicating lamp mark of the platform door can display simpler, clearer and more vivid indicating marks for passengers.
The pilot lamp plate comprises at least two sets of type matrix intelligence LED (the lamp pearl number of every group type matrix intelligence LED is 16 x 16= 256), and pilot lamp pearl uses colorful lamp pearl, can realize that the lamp pearl shows different colour, picture, characters and dynamic graph through the programming. The control signal of pilot lamp plate adopts one way or two kinds of control mode of four ways, carries out reasonable selection control mode according to the content that the lamp plate needs to show, improves stability, security and the reliability of pilot lamp plate.
A novel multifunctional indicator lamp for a platform door comprises an indicator lamp control panel and an indicator lamp panel, as shown in the attached drawing-1, the indicator lamp control panel mainly comprises external input interfaces EI3-EI12, P1, P2 and P0, and output interfaces OUT1-OUT4, SP +, SP-and serial port communication. The power supply circuit mainly comprises external input interfaces EI1 and EI2, output interfaces P-5V, P-3.3V, P-LGND, P-5VLED and P-LGND, and the indicator lamp panel mainly comprises input interfaces IN1-IN4, P1 and PL0, and internal interfaces OT1-OT 4.
The power circuit is shown in figure-2, external input interfaces EI1 and EI2 of the power circuit are positive and negative interfaces of a direct-current 110V power supply, input voltage is processed by a first inductor L1, a first capacitor C1, a second capacitor C2, a voltage stabilizing diode TV1 and a first diode D1 and then is input into DC-DC modules of P1 and P2, and output interfaces of the DC-DC modules are P-5VLED, P-LGDN and P-5V, P-GND. The output 5V voltage of P2 is input to the input end of P3 after being processed by C3, C4 and C5, and the output end voltage of P3 is output to 3.3V voltage after being processed by sixth capacitor C6, seventh capacitor C7, eighth capacitor C8, second inductor L2 and third inductor L3. The P1 and P-5V, P2 of the indicator light control board and the P-3.3V, P0 of the indicator light control board are connected with the P-GND to provide a driving power supply for the indicator light control board. P1 and P-5VLED, PL0 and P-LGND of pilot lamp plate link to each other, provide drive power supply for the pilot lamp plate.
The indicating lamp control panel is shown in the attached drawing-3, EI3, EI4, EI … … and EI12 of the indicating lamp control panel are external signal input interfaces of the indicating lamp control panel, each path of input interface signal represents a state of a sliding door, an emergency door or an end door body, each path of input signal is input to an I/O port corresponding to the microcontroller after the action of a resistor and an optical coupler, an internal signal is triggered by the microcontroller to control an output signal of the microcontroller, and the output signal of the microcontroller is ensured to be consistent with a mark displayed by the lamp panel of the body state indicating lamp.
The internal output control signal interfaces of the indicator lamp control panel system are OUT1, OUT2, OUT3, OUT4, SP +, SP-, and serial port communication interfaces, wherein OUT1, OUT2, OUT3 and OUT4 are indicator lamp panel control signal output interfaces, the indicator lamp control signal output has two control modes, when the indicator lamp panel adopts one-way control signals, IN1 is connected with OUT1, when the indicator lamp panel adopts four-way control signals, OUT1 is connected with IN1, OUT2 is connected with IN2, OUT3 is connected with IN3, OUT4 is connected with IN4 respectively. When the lamp panel of the indicator lamp displays the picture or the character identification, a path of control signal OUT1 is adopted, OT1 of the lamp panel of the indicator lamp is IN short circuit with IN2, OT2 is IN short circuit with IN3, and OT3 is IN short circuit with IN 4; when the lamp panel of the indicator lamp does not display pictures or characters, four control signals are adopted. Each path of input signals EI3-EI12 controls and outputs four paths (OUT 1, OUT2, OUT3, OUT 4) or one path (OUT 1) of control signals, wherein when the four paths of output control signals are adopted, the four paths of control signals are independent signals respectively, and when any path fails, the output signals of other paths are not influenced. SP + and SP-are speaker output signal, when the pilot lamp needs to carry out the pronunciation and report, accessible external speaker and cooperation platform door state carry out voice prompt.
The pilot lamp plate is as shown in attached figure-4, and attached figure-5 shows, and the P1 of pilot lamp plate connects power supply circuit's P-5VLED, and PL0 connects power supply circuit's P-LGND, and the pilot lamp plate adopts intelligent LED lamp pearl, and the lamp pearl number comprises two sets of digital mould intelligent LED lamp pearls, and the intelligent LED lamp pearl of pilot lamp plate adopts two kinds of connected modes:
the first connection mode is 'series connection' control, two groups of word matrixes are 512 intelligent LED lamp beads connected IN series, as shown IN the attached drawing-4, the output signal of the previous lamp bead is the input signal of the next lamp bead, and the like, the control signal is connected with IN1 by OUT1, OT1 is IN short circuit with IN2, OT2 is IN short circuit with IN3, and OT3 is IN short circuit with IN 4; the OUT2, OUT3, OUT4 and IN2, IN3, IN4 interfaces are floating.
The second connection mode is 'parallel connection' control, two groups of the word dies are 512 intelligent LED lamp beads which are connected IN parallel IN four ways, as shown IN the attached figure-5, the 1 st lamp bead to the 128 th lamp bead form a first path of control, the input signal is IN1, and the output signal is OT 1; the 129 th to 256 th lamp beads form a second path of control, the input signal is IN2, and the output signal is OT 2; a third path of control is formed by the 257 th lamp bead to the 384 th lamp bead, the input signal is IN3, and the output signal is OT 3; the 385 th lamp bead to the 512 th lamp bead form a fourth control path, the input signal is IN3, and the output signal is OT 4. The control signals OUT1 and IN1 are connected, OUT2 is connected with IN2, OUT3 is connected with IN3, OUT4 is connected with IN4, and the control signals control the indicator lamp panel to display marks such as pictures, characters and colors.
The door body state that multi-functional pilot lamp provided for platform door system mainly indicates sliding door, emergency exit, end door and carriage crowdedness etc. and specific door body state is as follows:
the state of the sliding door is composed of the following six states: 1) a sliding door opening process; 2) the sliding door is fully opened; 3) a sliding door closing process; 4) the sliding door is closed and locked; 5) the sliding door is in an isolated state; 6) the sliding door is in a faulty state.
The state of the emergency door consists of the following five states: 1) opening the left/right door of the emergency door; 2) the emergency door is completely opened; 3) closing and locking the emergency door; 4) (ii) a panic door failure; 5) the emergency door is in a bypass state.
The state of the end gate consists of three states: 1) opening the end door; 2) closing the end door; 3) end door failure.
The congestion degree status of the carriage is composed of the following three statuses: 1) the carriage is loose; 2) the carriage is crowded; 3) the carriage is crowded generally.
The multifunctional indicating lamp is combined with each other by controlling the color, full brightness, flashing, character display, picture display, dynamic picture display, buzzer, loudspeaker and other modes of the indicating lamp, so that the different door states are identified.
The utility model provides a novel multi-functional pilot lamp of platform door has two kinds of control mode, one kind adopts the control signal all the way as the input signal of pilot lamp plate, and one kind adopts four ways control signal as the input signal of pilot lamp plate. When the indicator light is not required to display characters, pictures or dynamic identifiers, the indicator light is only used as a light function to display a normally on, off or flashing function, and a control mode of four control signals is adopted. When the indicator light is required to display characters, pictures or dynamic identifiers, a control mode of one path of control signals is adopted. Through two control modes, the flexible applicability and the reliability and the safety in use of the indicator lamp are improved.
The invention has the following advantages: 1. the lamp panel of the indicator lamp can be provided with one path of control signal as an input signal of the lamp panel of the indicator lamp or four paths of control signals as input signals of the lamp panel of the indicator lamp, so that the reliability control of the lamp beads of the indicator lamp is improved; 2. the indicating lamp control board is provided with a serial port communication interface for information interaction between the indicating lamp and other equipment; 3. the indicator lamp panel is provided with indication information such as display graphs, characters, flickering or dynamic marks.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (7)
1. The utility model provides a novel multi-functional pilot lamp of platform door which characterized in that: the intelligent LED lamp comprises an indicator lamp control panel and an indicator lamp panel, wherein the indicator lamp control panel comprises a microcontroller, a power circuit, an external signal input interface and an indicator lamp panel control signal output interface, and the indicator lamp panel comprises at least two groups of intelligent LED lamp beads and indicator lamp panel input interfaces; the gate control unit controls the indicator lamp panel control signal output interface to output a control signal by inputting a high-low pulse trigger signal to an external signal input interface of the microcontroller; the power supply circuit provides a driving power supply for the indicator lamp control panel and the indicator lamp panel.
2. The novel multifunctional platform door indicator light of claim 1, wherein: the external signal input interface is not less than one path, each path of external input interface represents a state of a sliding door, an emergency door or an end door body, each path of input signal is input to an I/O port corresponding to the microcontroller after the action of the resistor and the optical coupler, and the microcontroller triggers an internal signal to control an output signal of the microcontroller.
3. The novel multifunctional platform door indicator light of claim 1, wherein: the pilot lamp plate control signal output interface is 4 ways, and pilot lamp plate control signal output includes two kinds of control mode, is control signal and four ways control signal respectively all the way.
4. The novel multifunctional platform door indicator light of claim 3, wherein: when the lamp panel of the indicator lamp adopts a path of control signal, the lamp panel of the indicator lamp displays a picture or a character mark; when the indicator lamp panel adopts four ways control signal, the indicator lamp panel does not show picture or characters sign, and four ways control signal are independent signal respectively.
5. The novel multifunctional platform door indicator light of claim 1, wherein: each group of intelligent LED lamp beads is 256, the intelligent LED lamp beads of the lamp panel of the indicator lamp comprise two connection modes, namely series control and parallel control, and the output signal of the previous lamp bead in the series control is the input signal of the next lamp bead; the parallel control is to divide the two groups of intelligent LED lamp beads into four paths for parallel connection.
6. The novel multifunctional platform door indicator light of claim 1, wherein: the indicating lamp control panel is provided with a serial port communication interface for information interaction between the indicating lamp and other equipment.
7. The novel multifunctional platform door indicator light of claim 1, wherein: the indicator light control panel is connected with a loudspeaker for voice prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617259.2A CN112566303A (en) | 2020-12-31 | 2020-12-31 | Novel multifunctional indicating lamp for platform door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617259.2A CN112566303A (en) | 2020-12-31 | 2020-12-31 | Novel multifunctional indicating lamp for platform door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112566303A true CN112566303A (en) | 2021-03-26 |
Family
ID=75034895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011617259.2A Pending CN112566303A (en) | 2020-12-31 | 2020-12-31 | Novel multifunctional indicating lamp for platform door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112566303A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090087844A (en) * | 2009-07-10 | 2009-08-18 | 조재현 | Door opening and closing control method of subway train |
| CN202689780U (en) * | 2012-07-05 | 2013-01-23 | 上海三意电机驱动技术有限公司 | Platform door unit controller for rail transit |
| CN202935377U (en) * | 2012-12-16 | 2013-05-15 | 四川久远新方向智能科技有限公司 | Rail transit platform screen door state indicating device |
| CN207381031U (en) * | 2017-11-20 | 2018-05-18 | 深圳栖梧投资有限公司 | It can be with the intelligent LED lamp plate of self-defined display content |
| CN208579209U (en) * | 2018-06-07 | 2019-03-05 | 李建威 | Subway platform door Multifunctional status indicator light |
| CN214205887U (en) * | 2020-12-31 | 2021-09-14 | 中国船舶重工集团公司第七一三研究所 | Novel multifunctional indicating lamp for platform door |
-
2020
- 2020-12-31 CN CN202011617259.2A patent/CN112566303A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090087844A (en) * | 2009-07-10 | 2009-08-18 | 조재현 | Door opening and closing control method of subway train |
| CN202689780U (en) * | 2012-07-05 | 2013-01-23 | 上海三意电机驱动技术有限公司 | Platform door unit controller for rail transit |
| CN202935377U (en) * | 2012-12-16 | 2013-05-15 | 四川久远新方向智能科技有限公司 | Rail transit platform screen door state indicating device |
| CN207381031U (en) * | 2017-11-20 | 2018-05-18 | 深圳栖梧投资有限公司 | It can be with the intelligent LED lamp plate of self-defined display content |
| CN208579209U (en) * | 2018-06-07 | 2019-03-05 | 李建威 | Subway platform door Multifunctional status indicator light |
| CN214205887U (en) * | 2020-12-31 | 2021-09-14 | 中国船舶重工集团公司第七一三研究所 | Novel multifunctional indicating lamp for platform door |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214205887U (en) | Novel multifunctional indicating lamp for platform door | |
| WO2021094189A1 (en) | Dynamic and/or adaptive signposting system | |
| DE102014001371A1 (en) | lamp | |
| DE112014004114T5 (en) | Full-screen display for taillights of the car | |
| US20100259419A1 (en) | Stoplight timer | |
| CN112566303A (en) | Novel multifunctional indicating lamp for platform door | |
| CN209980465U (en) | Take integral type pedestrian crossing signal lamp of decrement formula count-down LED strip screen | |
| KR20100104696A (en) | Traffic signal lamp having 3-color led signal lamp at every traffic lane | |
| CN101425265A (en) | Field sequence lcd device | |
| DE202019106337U1 (en) | Dynamic and / or adaptive escape route display system | |
| DE10001744A1 (en) | Advice and/or emergency indicator light has light emitting diodes distributed on board and electrically connected to be driven individually or in groups by controller as variable display | |
| CN206849275U (en) | A kind of traffic lights based on line holographic projections | |
| CN111470065B (en) | Safety alarm device and method for aircraft structural strength test | |
| CN203247517U (en) | LED dimming three-dimensional speed bump | |
| KR102210689B1 (en) | Traffic Lights for Color Blindness | |
| DE102021123298A1 (en) | Dynamic escape route system | |
| CN102142199A (en) | LED (Light-Emitting Diode) traffic indicating device and method for single lane | |
| CN206003316U (en) | No visual obstacle traffic lights | |
| Bullough et al. | Impacts of Coordinating the Colors of Flashing Warning Lights and Vehicle Markings on Driver Perception | |
| CN206781622U (en) | A kind of car door opening anti-collision reflective mirror | |
| CN105845070A (en) | RGBW-type LED display screen luminescence control chip | |
| CN217825428U (en) | Color temperature adjustable lighting system for rail transit | |
| CN2664122Y (en) | Driving element for lighting up display element and driving assembly | |
| CN203864552U (en) | Help-calling device for car | |
| CN2732551Y (en) | Signal lamp state display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |