CN109177869B - Control method and device of vehicle speed indicator lamp - Google Patents
Control method and device of vehicle speed indicator lamp Download PDFInfo
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- CN109177869B CN109177869B CN201811288965.XA CN201811288965A CN109177869B CN 109177869 B CN109177869 B CN 109177869B CN 201811288965 A CN201811288965 A CN 201811288965A CN 109177869 B CN109177869 B CN 109177869B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/54—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating speed outside of the vehicle
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Abstract
The invention discloses a control method and a device of a vehicle speed indicator lamp, wherein the control device comprises a control device and a control unit, wherein the control device comprises (1+ M × N) indicator lamp control units; the (1+ M N) indicating lamp control units are sequentially arranged at equal intervals according to the distance D, the indicating lamp control unit at the initial position serves as an initial indicating lamp control unit, and the indicating lamp control unit behind the initial indicating lamp control unit serves as a delay indicating lamp control unit. According to the invention, the plurality of indicator light control units are arranged at equal intervals, each indicator light control unit is lightened after receiving the trigger signal of the forward indicator light control unit at a corresponding set interval and keeps a lightening state within a certain time, and meanwhile, the lightened indicator light control units form the lamp strip which keeps a certain speed transmission.
Description
Technical Field
The invention relates to the technical field of signal control, in particular to a method and a device for controlling a vehicle speed indicator lamp.
Background
When a vehicle runs on a road, a driver generally needs to control the running speed according to the running speed requirements of different road sections to ensure the safety of the vehicle.
At present, a driver is generally reminded of driving in an accelerating or decelerating mode through a speed limit indicator, but the condition that the driver ignores the speed limit indicator is easy to happen in the mode, and therefore potential safety hazards are brought to traffic.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, a speed limit sign is used for reminding a driver of accelerating or decelerating to drive, the situation that the driver neglects the speed limit sign is easy to happen, thereby bringing about the defects of potential safety hazard and the like to traffic,
the purpose is to provide a control method and a control device of a vehicle speed indicator lamp.
The invention solves the technical problems through the following technical scheme:
the invention provides a control device of a vehicle speed indicator lamp, which comprises (1+ M N) indicator lamp control units;
the (1+ M N) indicating lamp control units are sequentially arranged at equal intervals according to a distance D, the indicating lamp control unit at the initial position is used as an initial indicating lamp control unit, and the indicating lamp control unit behind the initial indicating lamp control unit is used as a time-delay indicating lamp control unit;
the initial indicator light control unit is used for lighting the indicator light included in the initial indicator light control unit once every preset time T0 and sending a trigger signal to the backward delay indicator light control unit;
when i is less than M, the ith delay indicator lamp control unit is used for receiving the trigger signal sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit, and lightening the indicator lamp included in the delay indicator lamp control unit and the trigger signal sent by K backward delay indicator lamp control units after the corresponding time interval K1T 1, wherein K1 indicates that the distance between the ith delay indicator lamp control unit and each forward indicator lamp control unit is a multiple of the distance D, the value of K1 is 1-i, and K is less than M;
when i is larger than or equal to M, the ith delay indicator lamp control unit is used for receiving the trigger signals sent by the K delay indicator lamp control units arranged in the front of the ith delay indicator lamp control unit, and lightening the indicator lamps included in the delay indicator lamp control unit and the trigger signals sent by the K delay indicator lamp control units in the back after a corresponding time interval K2 × T1, wherein K2 represents the multiple of the distance between the ith delay indicator lamp control unit and the K forward indicator lamp control units and the distance D, K2 is 1, 2, … and K, and K is less than M;
wherein the trigger signal comprises encoded position information characterizing the indicator light control unit sending the trigger signal, from which encoded position information k1, k2 are determined.
Preferably, when i is 1, K1 is 1, and K is 2, the 1 st time-delay indicator lamp control unit is configured to receive the trigger signal sent by the initial indicator lamp control unit, and light an indicator lamp included in the time-delay indicator lamp control unit and the trigger signals sent to two time-delay indicator lamp control units in the backward direction after a corresponding time interval T1;
when i is greater than or equal to 2, the ith delay indicator lamp control unit is used for receiving the trigger signal sent by the indicator lamp control unit arranged in the distance, in the forward direction, of the ith delay indicator lamp control unit which is less than or equal to 2D, and lightening the indicator lamp included by the delay indicator lamp control unit and the trigger signal sent by the two delay indicator lamp control units in the backward direction after the corresponding time interval k 2T1, k2 represents the distance between the ith delay indicator lamp control unit and the indicator lamp control unit in the distance, in the forward direction, which is less than or equal to 2D, and the multiple of the distance D, and k2 is 1 or 2.
Preferably, the indicator light control unit comprises a signal transmitting module, a signal receiving module, a control circuit, the indicator light, a state setting module and a power supply module; the signal transmitting module is used for sending the triggering signals to the backward K indicator lamp control units;
when i is less than M, the signal receiving module in the ith time-delay indicator lamp control unit is used for receiving the trigger signal sent by each indicator lamp control unit in the forward direction, and the control circuit is used for controlling the indicator lamps included in the time-delay indicator lamp control units to be lightened after the corresponding time interval k1 × T1;
when i is larger than or equal to M, the signal receiving module in the ith time-delay indicator lamp control unit is used for receiving the trigger signals sent by the K forward indicator lamp control units, and the control circuit is used for controlling the indicator lamps included in the time-delay indicator lamp control unit to be turned on after the corresponding time interval K2 × T1; the state setting module is used for setting the coding position information of the indicator light control unit;
the power supply module is used for supplying power to the indicator lamp control unit;
preferably, the signal transmitting module does not receive the trigger signals sent by other indicator lamp control units within a set time t after sending the trigger signals.
Preferably, the signal emitting module is configured to send the trigger signal to the two indicator light control units in the backward direction;
when i is 1, K1 is 1, and K is 2, the signal receiving module in the ith time-delay indicator lamp control unit is configured to receive the trigger signal sent by the initial indicator lamp control unit, and the control circuit is configured to light an indicator lamp included in the time-delay indicator lamp control unit after a corresponding time interval T1;
when i is larger than or equal to 2, the signal receiving module in the ith delay indicator lamp control unit is used for receiving the trigger signal sent by the indicator lamp control unit arranged in the distance which is less than or equal to 2D from the ith delay indicator lamp control unit in the forward direction, and the control circuit is used for lighting the indicator lamps included in the delay indicator lamp control unit after the corresponding time interval k 2T 1.
Preferably, every adjacent M delay indicator lamp control units are used as a delay indicator lamp control group to form N delay indicator lamp control groups;
the coding position information of the M delay indicator lamp control units in each group of delay indicator lamp control groups is 1, 2, … and M in sequence; and/or each indicator lamp control unit keeps on in a lighting state within a set time T2 after being lighted; the first and the last indicator light control units in the indicator light control units which are lighted simultaneously form a light strip with the length of T2X D/T1 and are transmitted backwards at the speed of D/T1.
The invention also provides a control method of the vehicle speed indicator lamp, which is realized by using the control device of the vehicle speed indicator lamp, and the control method comprises the following steps:
the initial indicator light control unit lights the indicator light included in the initial indicator light control unit once every preset time T0, and sends a trigger signal to the backward delay indicator light control unit;
when i is less than M, the ith delay indicator lamp control unit receives the trigger signal sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit, and lights the indicator lamp included in the delay indicator lamp control unit and the trigger signal sent by K delay indicator lamp control units in the backward direction after a corresponding time interval K1T 1, wherein K1 indicates that the distance between the ith delay indicator lamp control unit and each indicator lamp control unit in the forward direction is a multiple of the distance D, the value of K1 is 1-i, and K is less than M;
when i is larger than or equal to M, the ith delay indicator lamp control unit receives the trigger signals sent by K forward delay indicator lamp control units arranged on the ith delay indicator lamp control unit, and lights the indicator lamps included in the delay indicator lamp control unit and the trigger signals sent by K backward delay indicator lamp control units after a corresponding time interval K2T 1, wherein K2 represents the distance between the ith delay indicator lamp control unit and the K forward delay indicator lamp control units and the multiple of the distance D, K2 is 1, 2, … and K, and K is less than M;
wherein the trigger signal comprises encoded position information characterizing the indicator light control unit sending the trigger signal, from which encoded position information k1, k2 are determined.
Preferably, when i is 1, K1 is 1, and K is 2, the 1 st time-delay indicator lamp control unit receives the trigger signal sent by the initial indicator lamp control unit arranged in the forward direction of the 1 st time-delay indicator lamp control unit, and lights the indicator lamp included in the time-delay indicator lamp control unit and the trigger signals sent by the two time-delay indicator lamp control units in the backward direction after a corresponding time interval T1;
when i is more than or equal to 2, the ith delay indicator lamp control unit receives the trigger signal sent by the indicator lamp control unit arranged in the distance which is less than or equal to 2D from the ith delay indicator lamp control unit in the forward direction, and lights the indicator lamp included by the delay indicator lamp control unit and the trigger signals sent by the two delay indicator lamp control units in the backward direction after the corresponding time interval k 2T1, k2 represents the distance between the ith delay indicator lamp control unit and the indicator lamp control unit in the distance which is less than or equal to 2D from the forward direction and the multiple of the distance D, and k2 is 1 or 2.
Preferably, the control method further includes:
the signal transmitting module sends the trigger signals to the K backward delay indicator lamp control units;
when i is less than M, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by each indicator lamp control unit in the forward direction; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k1 × T1;
when i is larger than or equal to M, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signals sent by the K forward indicator lamp control units; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k2 × T1;
the state setting module is used for setting coding position information of the indicator lamp control unit;
preferably, the signal transmitting module does not receive the trigger signals sent by other indicator lamp control units within a set time t after sending the trigger signals.
Preferably, the control method further includes:
the signal transmitting module sends the trigger signals to the two indicator lamp control units at the rear part;
when i is 1, K1 is 1 and K is 2, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by the forward initial indicator lamp control unit; the control circuit lights the indicator lights included in the time-delay indicator light control unit after a corresponding time interval T1;
when i is more than or equal to 2, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by the indicator lamp control unit in the forward distance of the ith time-delay indicator lamp control unit which is less than or equal to 2D; the control circuit lights the indicator lights included in the time-delay indicator light control unit after the corresponding time interval k2 × T1.
Preferably, the control method further includes:
every adjacent M delay indicator lamp control units are used as a delay indicator lamp control group to form N delay indicator lamp control groups;
the coding position information of the M delay indicator lamp control units in each group of delay indicator lamp control groups is 1, 2, … and M in sequence; and/or each indicator lamp control unit keeps on in a lighting state within a set time T2 after being lighted; the first and the last indicator light control units in the indicator light control units which are lighted simultaneously form a light strip with the length of T2X D/T1 and are transmitted backwards at the speed of D/T1.
The positive progress effects of the invention are as follows:
according to the invention, the plurality of indicator light control units are arranged at equal intervals, each indicator light control unit is lightened after receiving the trigger signal of the forward indicator light control unit at a corresponding set interval and keeps a lightening state within a certain time, and meanwhile, the lightened indicator light control units form the light belt which is transmitted at a certain speed all the time.
Drawings
Fig. 1 is a schematic structural view of a control device for a vehicle speed indicator lamp according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a control device for a vehicle speed indicator lamp according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of a control device for a vehicle speed indicator lamp according to embodiment 3 of the present invention.
Fig. 4 is a flowchart of a method of controlling the vehicle speed indicator lamp according to embodiment 4 of the invention.
Fig. 5 is a flowchart of a method of controlling the vehicle speed indicator lamp according to embodiment 5 of the invention.
Fig. 6 is a flowchart of a method of controlling the vehicle speed indicator lamp according to embodiment 6 of the invention.
Fig. 7 is a flowchart of a method of controlling the vehicle speed indicator lamp according to embodiment 7 of the invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the control device of the vehicle speed indicator lamp of the present embodiment includes (1+ M × N) indicator lamp control units 1.
The (1+ M N) indicator light control units 1 are sequentially arranged at equal intervals according to the distance D, the indicator light control unit at the initial position is used as an initial indicator light control unit 11, and the indicator light control unit behind the initial indicator light control unit 11 is used as a delay indicator light control unit 12.
Every adjacent M delay indicator lamp control units 12 are used as a delay indicator lamp control group A to form N delay indicator lamp control groups A.
The initial indicator light control unit 11 is configured to light the indicator light included in the initial indicator light control unit 11 once every preset time T0, and send a trigger signal to a backward delay indicator light control unit 12;
when i is less than M, the ith delay indicator lamp control unit 12 is configured to receive a trigger signal sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit 12, and light an indicator lamp included in the delay indicator lamp control unit 12 and a trigger signal sent by K delay indicator lamp control units 12 in the backward direction after a corresponding time interval K1 × T1, where K1 denotes that the distance between the ith delay indicator lamp control unit 12 and each indicator lamp control unit in the forward direction is a multiple of the distance D, K1 takes a value of 1 to i, and K is less than M;
when i is greater than or equal to M, the ith delay indicator lamp control unit 12 is configured to receive trigger signals sent by K delay indicator lamp control units 12 arranged in the forward direction of the ith delay indicator lamp control unit 12, and light the indicator lamps included in the delay indicator lamp control unit 12 and the trigger signals sent by K delay indicator lamp control units 12 in the backward direction after a corresponding time interval K2 × T1, where K2 represents a multiple of a distance between the ith delay indicator lamp control unit 12 and the K forward indicator lamp control units and a distance D, K2 is 1, 2, …, K, and K is less than M;
wherein the trigger signal comprises coded position information characterizing the indicator light control unit sending the trigger signal, by which coded position information k1, k2 are determined. Each indicator lamp control unit keeps an illumination state within a set time T2 after illumination; the first and last indicator light control units in the simultaneously lit indicator light control units form a light strip of length T2 x D/T1 and is delivered backwards at the speed of D/T1.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, light after the corresponding settlement interval that sets for each pilot lamp control unit receives forward pilot lamp control unit's trigger signal, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 2
The control device of the vehicle speed indicator lamp of the present embodiment is a further improvement of embodiment 1, specifically:
when i is 1, K1 is 1, and K is 2, the 1 st time-delay indicator lamp control unit 12 is configured to receive the trigger signal sent by the initial indicator lamp control unit 11, and light the indicator lamp included in the time-delay indicator lamp control unit 12 and the trigger signals sent by the two time-delay indicator lamp control units 12 in the backward direction after the corresponding time interval T1;
when i is greater than or equal to 2, the ith delay indicator lamp control unit 12 is configured to receive the trigger signal sent by the indicator lamp control unit arranged in the distance of the ith delay indicator lamp control unit 12 in the forward direction which is less than or equal to 2D, and light the indicator lamp included in the delay indicator lamp control unit 12 and the trigger signal sent by the two delay indicator lamp control units 12 in the backward direction after the corresponding time interval k2 × T1, k2 represents the multiple of the distance between the ith delay indicator lamp control unit 12 and the indicator lamp control unit in the distance of the forward direction which is less than or equal to 2D and the distance D, and k2 is 1 or 2.
The coded position information of the M delay indicator lamp control units 12 in each group of delay indicator lamp control groups is 1, 2, …, M in sequence.
The following examples illustrate:
as shown in fig. 2, when M is 3, that is, the control group a of the time-delay indicator lamps includes 3 time-delay indicator lamp control units 12 arranged equidistantly, the coded position information of each time-delay indicator lamp control unit 12 is 1, 2, and 3 in sequence, and the coded information of the initial indicator lamp control unit 11 is 3.
In the actual working process, the coded information of the initial indicator lamp control unit 11 lights the indicator lamp included in the initial indicator lamp control unit 11 every preset time T0, and sends a trigger signal with the coded information of 3 to the backward one of the delayed indicator lamp control units 12.
The 1 st delay pilot lamp control unit 12 in the 1 st delay pilot lamp control group a receives the trigger signal with the coding information of 3 sent by the initial pilot lamp control unit 11, and lights the pilot lamps included in the delay pilot lamp control units 12 after the corresponding time interval T1 and sends the trigger signals with the coding information of 1 to the two delay pilot lamp control units 12 in the backward direction.
The 2 nd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a receives the trigger signal with the coding information of 1 sent by the 1 st delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, and lights the indicator lamp included in the delay indicator lamp control unit 12 after the corresponding time interval T1 and sends the trigger signal with the coding information of 2 to the two backward delay indicator lamp control units 12; when the 2 nd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a does not receive the trigger signal whose coded information is 1 sent by the 1 st delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, the 2 nd delay indicator lamp control unit 12 receives the trigger signal whose coded information is 3 sent by the initial indicator lamp control unit 11, and lights the indicator lamps included in the delay indicator lamp control units 12 and sends the trigger signals whose coded information is 2 to the two backward delay indicator lamp control units 12 after the corresponding time interval 2T 1.
The 3 rd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a receives the trigger signal with the coding information of 2 sent by the 2 nd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, and lights the indicator lamp included in the delay indicator lamp control unit 12 after the corresponding time interval T1 and sends the trigger signal with the coding information of 3 to the two backward delay indicator lamp control units 12; when the 3 rd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a does not receive the trigger signal whose coded information is 2 and which is sent by the 2 nd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, the 3 rd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a receives the trigger signal whose coded information is 1 and which is sent by the 1 st delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, and lights the indicator lamps included in the delay indicator lamp control units 12 and sends the trigger signals whose coded information is 3 to the two backward delay indicator lamp control units 12 after the corresponding time interval 2T 1.
The 1 st delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a receives the trigger signal whose coded information is 3 sent by the 3 rd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, and lights the indicator lamp included in the delay indicator lamp control unit 12 after the corresponding time interval T1 and sends the trigger signal whose coded information is 1 to the two backward delay indicator lamp control units 12; when the 1 st delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a does not receive the trigger signal whose coding information is 3 sent by the 3 rd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, the 1 st delay indicator lamp control unit a receives the trigger signal whose coding information is 2 sent by the 2 nd delay indicator lamp control unit 12 in the 1 st delay indicator lamp control group a, and lights the indicator lamps included in the delay indicator lamp control units 12 after the corresponding time interval of 2T1 and sends the trigger signal whose coding information is 1 to the two backward delay indicator lamp control units 12.
The 2 nd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a receives the trigger signal whose coding information is 1 sent by the 1 st delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a, and lights the indicator lamp included in the delay indicator lamp control unit 12 after the corresponding time interval T1 and sends the trigger signal whose coding information is 2 to the two backward delay indicator lamp control units 12; when the 2 nd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a does not receive the trigger signal whose coding information is 1 sent by the 1 st delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a, the 2 nd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a receives the trigger signal whose coding information is 1 sent by the 1 st delay indicator lamp control unit 12, and lights the indicator lamps included in the delay indicator lamp control units 12 after the corresponding time interval 2T1 and sends the trigger signal whose coding information is 2 to the two backward delay indicator lamp control units 12.
The 3 rd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a receives the trigger signal with the coding information of 2 sent by the 2 nd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a, and lights the indicator lamp included in the delay indicator lamp control unit 12 after the corresponding time interval T1 and sends the trigger signal with the coding information of 3 to the two backward delay indicator lamp control units 12; when the 3 rd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a does not receive the trigger signal whose coded information is 2 and which is sent by the 2 nd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a, the 3 rd delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a receives the trigger signal whose coded information is 1 and which is sent by the 1 st delay indicator lamp control unit 12 in the 2 nd delay indicator lamp control group a, and lights the indicator lamps included in the delay indicator lamp control units 12 and sends the trigger signals whose coded information is 3 to the two backward delay indicator lamp control units 12 after the corresponding time interval 2T 1.
And the working principle of the delay indicator lamp control unit 12 in the other delay indicator lamp control group a in the control device of the vehicle speed indicator lamp is analogized in turn, and the details are not repeated here.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, every pilot lamp control unit lights after receiving two preceding pilot lamp control unit's trigger signal at the corresponding settlement interval, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps the certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 3
The control device of the vehicle speed indicator lamp of the present embodiment is a further improvement of embodiment 1, specifically:
as shown in fig. 3, the indicator lamp control unit 1 includes a signal transmitting module 11, a signal receiving module 12, a control circuit 13, an indicator lamp 14, a status setting module 15, and a power supply module 16.
The signal transmitting module 11 is used for sending triggering signals to the rearward K indicator lamp control units 1;
when i is less than M, the signal receiving module 12 in the ith indicator lamp control unit delayed indicator lamp control unit 12 is configured to receive the trigger signal sent by each indicator lamp control unit in the forward direction, and the control circuit 13 is configured to control the indicator lamp 14 included in the indicator lamp control unit delayed indicator lamp control unit 12 to be turned on after the corresponding time interval k1 × T1;
when i is greater than or equal to M, the signal receiving module 12 in the ith indicator lamp control unit delay indicator lamp control unit 12 is configured to receive the trigger signals sent by the M indicator lamp control units in the forward direction, and the control circuit 13 is configured to control the indicator lamp 14 included in the indicator lamp control unit delay indicator lamp control unit 12 to be turned on after the corresponding time interval k2 × T1;
the state setting module 15 is used for setting the coding position information of the indicator light control unit;
the power module 16 is used to supply power to the control unit of the indicator light 14.
After the signal transmitting module 11 sends the trigger signal, the trigger signal sent by other indicator lamp control units is not received within a set time t.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, light after the corresponding settlement interval that sets for each pilot lamp control unit receives forward pilot lamp control unit's trigger signal, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 4
The control device of the vehicle speed indicator lamp of the present embodiment is a further improvement of embodiment 2, specifically:
as shown in fig. 3, the indicator lamp control unit 1 includes a signal transmitting module 11, a signal receiving module 12, a control circuit 13, an indicator lamp 14, a status setting module 15, and a power supply module 16.
The signal transmitting module 11 is used for sending triggering signals to the two indicator lamp control units at the rear part;
when i is 1, K1 is 1, and K is 2, the signal receiving module 12 in the ith indicator lamp control unit delayed indicator lamp control unit 12 is configured to receive the trigger signal sent by the initial indicator lamp control unit 11, and the control circuit 13 is configured to light the indicator lamp 14 included in the indicator lamp control unit delayed indicator lamp control unit 12 after the corresponding time interval T1;
when i is greater than or equal to 2, the signal receiving module 12 in the ith indicator lamp control unit delay indicator lamp control unit 12 is configured to receive the trigger signal sent by the indicator lamp control unit that is arranged in the distance that the ith indicator lamp control unit delay indicator lamp control unit 12 is forward is less than or equal to 2D, and the control circuit 13 is configured to light the indicator lamp 14 included in the indicator lamp control unit delay indicator lamp control unit 12 after the corresponding time interval k2 × T1.
After the signal transmitting module 11 sends the trigger signal, the trigger signal sent by other indicator lamp control units is not received within a set time t.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, every pilot lamp control unit lights after receiving two preceding pilot lamp control unit's trigger signal at the corresponding settlement interval, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps the certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 5
As shown in fig. 4, the control method of the vehicle speed indicator lamp of the present embodiment is implemented by the control device of the vehicle speed indicator lamp of embodiment 1, and includes:
s101, an initial indicator lamp control unit lights an indicator lamp included in the initial indicator lamp control unit every preset time T0, and sends a trigger signal to a backward delay indicator lamp control unit;
and S102, when i is less than M, the ith delay indicator lamp control unit receives the trigger signals sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit, and lights the indicator lamps included in the delay indicator lamp control units and the trigger signals sent by the K delay indicator lamp control units in the backward direction after the corresponding time interval K1T 1.
K1 represents that the distance between the ith delay indicator lamp control unit and each forward indicator lamp control unit is a multiple of the distance D, K1 takes the value of 1-i, and K is less than M;
s103, when i is larger than or equal to M, the ith delay indicator lamp control unit receives trigger signals sent by K delay indicator lamp control units arranged in the forward direction of the ith delay indicator lamp control unit, and lights an indicator lamp included in the delay indicator lamp control unit and the trigger signals sent by the K delay indicator lamp control units in the backward direction after a corresponding time interval K2T 1.
K2 represents the distance between the ith time-delay indicator lamp control unit and the forward K indicator lamp control units and the multiple of the distance D, K2 is 1, 2, … and K, and K is less than M;
wherein the trigger signal comprises coded position information characterizing the indicator light control unit sending the trigger signal, k1, k2
Determined by encoding the position information.
Each indicator lamp control unit keeps an illumination state within a set time T2 after illumination; the first and last indicator light control units in the simultaneously lit indicator light control units form a light strip of length T2 x D/T1 and is delivered backwards at the speed of D/T1.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, light after the corresponding settlement interval that sets for each pilot lamp control unit receives forward pilot lamp control unit's trigger signal, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 6
As shown in fig. 5, the control method of the vehicle speed indicator lamp of the present embodiment is a further improvement of embodiment 5, specifically:
step S102 includes:
s1021, when i is 1, K1 is 1, and K is 2, the 1 st time-delay indicator lamp control unit 12 receives the trigger signal sent by the initial indicator lamp control unit 11, and lights the indicator lamp included in the time-delay indicator lamp control unit 12 and the trigger signals sent by the two time-delay indicator lamp control units 12 in the backward direction after the corresponding time interval T1;
step S103 includes:
and S1031, when i is larger than or equal to 2, the ith delay indicator lamp control unit 12 receives the trigger signals sent by the indicator lamp control units arranged in the distance which is less than or equal to 2D from the ith delay indicator lamp control unit 12 in the forward direction, and lights the indicator lamps included in the delay indicator lamp control units 12 and the trigger signals sent by the two delay indicator lamp control units 12 in the backward direction after the corresponding time interval k 2T 1.
k2 represents the distance between the ith time-delay indicator lamp control unit 12 and the indicator lamp control unit in the distance less than or equal to 2D from the forward direction and the multiple of the distance D, and k2 is 1 or 2.
The coded position information of the M delay indicator lamp control units 12 in each group of delay indicator lamp control groups is 1, 2, …, M in sequence.
The following examples illustrate:
as shown in fig. 2, when M is 3, that is, the control group a of the time-delay indicator lamps includes 3 time-delay indicator lamp control units 12 arranged equidistantly, the coded position information of each time-delay indicator lamp control unit 12 is 1, 2, and 3 in sequence, and the coded information of the initial indicator lamp control unit 11 is 3.
The 1 st delay pilot lamp control unit in the 1 st delay pilot lamp control group a receives the trigger signal with the coding information of 3 sent by the initial pilot lamp control unit, and lights the pilot lamps included in the delay pilot lamp control units after the corresponding time interval T1 and sends the trigger signals with the coding information of 1 to the two delay pilot lamp control units in the backward direction.
A 2 nd delay indicator lamp control unit in the 1 st delay indicator lamp control group a receives a trigger signal of which the coded information is 1 sent by the 1 st delay indicator lamp control unit in the 1 st delay indicator lamp control group a, lights an indicator lamp included in the delay indicator lamp control unit after a corresponding time interval T1 and sends the trigger signal of which the coded information is 2 to the two backward delay indicator lamp control units; when the 2 nd delay indicator lamp control unit in the 1 st delay indicator lamp control group a does not receive the trigger signal of which the coded information is 1 sent by the 1 st delay indicator lamp control unit in the 1 st delay indicator lamp control group a, the 2 nd delay indicator lamp control unit receives the trigger signal of which the coded information is 3 sent by the initial indicator lamp control unit, and lights the indicator lamps included in the delay indicator lamp control units and sends the trigger signals of which the coded information is 2 to the two backward delay indicator lamp control units after the corresponding time interval of 2T 1.
A 3 rd delay indicator lamp control unit in a 1 st delay indicator lamp control group A receives a trigger signal of which the coded information is 2 and which is sent by a 2 nd delay indicator lamp control unit in the 1 st delay indicator lamp control group A, lights an indicator lamp included in the delay indicator lamp control unit after a corresponding time interval T1 and sends the trigger signal of which the coded information is 3 to two backward delay indicator lamp control units; when the 3 rd delay indicator lamp control unit in the 1 st delay indicator lamp control group a does not receive the trigger signal of which the coded information is 2, which is sent by the 2 nd delay indicator lamp control unit in the 1 st delay indicator lamp control group a, the 3 rd delay indicator lamp control unit in the 1 st delay indicator lamp control group a receives the trigger signal of which the coded information is 1, which is sent by the 1 st delay indicator lamp control unit in the 1 st delay indicator lamp control group a, and lights the indicator lamps included in the delay indicator lamp control units and sends the trigger signal of which the coded information is 3 to the two backward delay indicator lamp control units after the corresponding time interval of 2T 1.
A 1 st delay indicator lamp control unit in a 2 nd delay indicator lamp control group A receives a trigger signal of which the coded information is 3, which is sent by a 3 rd delay indicator lamp control unit in the 1 st delay indicator lamp control group A, and lights an indicator lamp included in the delay indicator lamp control unit after a corresponding time interval T1 and sends the trigger signal of which the coded information is 1 to two backward delay indicator lamp control units; when the 1 st delay indicator lamp control unit in the 2 nd delay indicator lamp control group a does not receive the trigger signal of which the coded information is 3, which is sent by the 3 rd delay indicator lamp control unit in the 1 st delay indicator lamp control group a, the 1 st delay indicator lamp control unit in the 1 st delay indicator lamp control group a receives the trigger signal of which the coded information is 2, and lights the indicator lamps included in the delay indicator lamp control units and sends the trigger signals of which the coded information is 1 to the two backward delay indicator lamp control units after the corresponding time interval of 2T 1.
A 2 nd delay indicator lamp control unit in a 2 nd delay indicator lamp control group A receives a trigger signal of which the coded information is 1, which is sent by a 1 st delay indicator lamp control unit in the 2 nd delay indicator lamp control group A, and lights an indicator lamp included in the delay indicator lamp control unit after a corresponding time interval T1 and sends the trigger signal of which the coded information is 2 to two backward delay indicator lamp control units; when the 2 nd delay indicator lamp control unit in the 2 nd delay indicator lamp control group a does not receive the trigger signal of which the coded information is 1 sent by the 1 st delay indicator lamp control unit in the 2 nd delay indicator lamp control group a, the 2 nd delay indicator lamp control unit in the 2 nd delay indicator lamp control group a receives the trigger signal of which the coded information is 1 sent by the 1 st delay indicator lamp control unit, and lights the indicator lamps included in the delay indicator lamp control units and sends the trigger signals of which the coded information is 2 to the two backward delay indicator lamp control units after the corresponding time interval of 2T 1.
A 3 rd delay indicator lamp control unit in a 2 nd delay indicator lamp control group A receives a trigger signal of which the coded information is 2 and which is sent by a 2 nd delay indicator lamp control unit in the 2 nd delay indicator lamp control group A, lights an indicator lamp included in the delay indicator lamp control unit after a corresponding time interval T1 and sends the trigger signal of which the coded information is 3 to two backward delay indicator lamp control units; when the 3 rd delay indicator lamp control unit in the 2 nd delay indicator lamp control group a does not receive the trigger signal of which the coding information is 2 sent by the 2 nd delay indicator lamp control unit in the 2 nd delay indicator lamp control group a, the 3 rd delay indicator lamp control unit receives the trigger signal of which the coding information is 1 sent by the 1 st delay indicator lamp control unit in the 2 nd delay indicator lamp control group a, and lights the indicator lamps included in the delay indicator lamp control units and sends the trigger signal of which the coding information is 3 to the two backward delay indicator lamp control units after the corresponding time interval of 2T 1.
And the working principle of the control units of the other delay indicator lamps in the control group A of the delay indicator lamps in the control device of the vehicle speed indicator lamp is analogized in turn, and the details are not repeated here.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, every pilot lamp control unit lights after receiving two preceding pilot lamp control unit's trigger signal at the corresponding settlement interval, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps the certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 7
As shown in fig. 6, the control method of the vehicle speed indicator lamp of the present embodiment is a further improvement of embodiment 5, specifically:
the indicating lamp control unit comprises a signal transmitting module, a signal receiving module, a control circuit, an indicating lamp and a state setting module.
The control method of the vehicle speed indicator lamp of the present embodiment further includes:
step S102 specifically includes:
s1022, when i is less than M, a signal receiving module in the ith delay indicator lamp control unit receives a trigger signal sent by each indicator lamp control unit in the forward direction; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k1 × T1; the signal transmitting module sends triggering signals to the K backward time-delay indicator lamp control units.
Step S103 specifically includes:
s1032, when i is larger than or equal to M, a signal receiving module in the ith delay indicator lamp control unit receives trigger signals sent by the K indicator lamp control units in the forward direction; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k2 × T1; the signal transmitting module sends triggering signals to the K backward time-delay indicator lamp control units.
The state setting module is used for setting coding position information of the indicator lamp control unit;
and after the signal transmitting module transmits the trigger signal, the signal transmitting module does not receive the trigger signals transmitted by other indicator lamp control units within a set time t.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, light after the corresponding settlement interval that sets for each pilot lamp control unit receives forward pilot lamp control unit's trigger signal, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
Example 8
As shown in fig. 7, the control method of the vehicle speed indicator lamp of the present embodiment is a further modification of embodiment 6, specifically:
the indicating lamp control unit comprises a signal transmitting module, a signal receiving module, a control circuit, an indicating lamp and a state setting module.
The control method of the vehicle speed indicator lamp of the present embodiment further includes:
step S1021 specifically includes:
s10211, when i is 1, K1 is 1, and K is 2, the signal receiving module in the i-th time-delay indicator lamp control unit receives the trigger signal sent by the forward initial indicator lamp control unit; the control circuit lights the indicator lights included in the time delay indicator light control unit after the corresponding time interval T1; the signal transmitting module sends triggering signals to the two indicator lamp control units at the rear part.
Step S1031 specifically includes:
s10311, when i is larger than or equal to 2, a signal receiving module in the ith delay indicator lamp control unit receives a trigger signal sent by an indicator lamp control unit arranged in the position, in the forward distance of the ith delay indicator lamp control unit, of which the distance is smaller than or equal to 2D; the control circuit lights the indicator lights included in the time delay indicator light control unit after the corresponding time interval k2 × T1; the signal transmitting module sends triggering signals to the two indicator lamp control units at the rear part.
After the signal transmitting module 11 sends the trigger signal, the trigger signal sent by other indicator lamp control units is not received within a set time t.
In this embodiment, set up a plurality of pilot lamp control unit equidistance, every pilot lamp control unit lights after receiving two preceding pilot lamp control unit's trigger signal at the corresponding settlement interval, and keep the state of lighting in a certain time, form the lamp area in the pilot lamp control unit that lights simultaneously, this lamp area keeps the certain speed transmission down all the time, can also realize when individual pilot lamp control unit takes place to damage, the pilot lamp in the corresponding pilot lamp control unit still can light, make this lamp area still keep normal work, instruct the driver to drive according to the transmission speed in this lamp area directly perceivedly, driving safety has been improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A control device of a vehicle speed indicator lamp is characterized by comprising (1+ M N) indicator lamp control units;
the (1+ M N) indicating lamp control units are sequentially arranged at equal intervals according to a distance D, the indicating lamp control unit at the initial position is used as an initial indicating lamp control unit, and the indicating lamp control unit behind the initial indicating lamp control unit is used as a time-delay indicating lamp control unit;
the initial indicator light control unit is used for lighting the indicator light included in the initial indicator light control unit once every preset time T0 and sending a trigger signal to the backward delay indicator light control unit;
when i is less than M, the ith delay indicator lamp control unit is used for receiving the trigger signal sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit, and lightening the indicator lamp included in the delay indicator lamp control unit and the trigger signal sent by K backward delay indicator lamp control units after the corresponding time interval K1T 1, wherein K1 indicates that the distance between the ith delay indicator lamp control unit and each forward indicator lamp control unit is a multiple of the distance D, the value of K1 is 1-i, and K is less than M;
when i is larger than or equal to M, the ith delay indicator lamp control unit is used for receiving the trigger signals sent by the K delay indicator lamp control units arranged in the front of the ith delay indicator lamp control unit, and lightening the indicator lamps included in the delay indicator lamp control unit and the trigger signals sent by the K delay indicator lamp control units in the back after a corresponding time interval K2 × T1, wherein K2 represents the multiple of the distance between the ith delay indicator lamp control unit and the K forward indicator lamp control units and the distance D, K2 is 1, 2, … and K, and K is less than M;
wherein the trigger signal comprises encoded position information characterizing the indicator light control unit sending the trigger signal, from which encoded position information k1, k2 are determined.
2. The control device of a vehicle speed indicator lamp according to claim 1, wherein when i-1, K1-1 and K-2,
the 1 st time-delay indicator lamp control unit is used for receiving the trigger signal sent by the initial indicator lamp control unit, and lightening the indicator lamp included in the time-delay indicator lamp control unit and the trigger signals sent by the two backward time-delay indicator lamp control units after a corresponding time interval T1;
when i is greater than or equal to 2, the ith delay indicator lamp control unit is used for receiving the trigger signal sent by the indicator lamp control unit arranged in the distance, in the forward direction, of the ith delay indicator lamp control unit which is less than or equal to 2D, and lightening the indicator lamp included by the delay indicator lamp control unit and the trigger signal sent by the two delay indicator lamp control units in the backward direction after the corresponding time interval k 2T1, k2 represents the distance between the ith delay indicator lamp control unit and the indicator lamp control unit in the distance, in the forward direction, which is less than or equal to 2D, and the multiple of the distance D, and k2 is 1 or 2.
3. The control device of the vehicle speed indicating lamp according to claim 2, wherein the indicating lamp control unit includes a signal transmitting module, a signal receiving module, a control circuit, the indicating lamp, a state setting module and a power supply module; the signal transmitting module is used for sending the triggering signals to the backward K indicator lamp control units;
when i is less than M, the signal receiving module in the ith time-delay indicator lamp control unit is used for receiving the trigger signal sent by each indicator lamp control unit in the forward direction, and the control circuit is used for controlling the indicator lamps included in the time-delay indicator lamp control units to be lightened after the corresponding time interval k1 × T1;
when i is larger than or equal to M, the signal receiving module in the ith time-delay indicator lamp control unit is used for receiving the trigger signals sent by the K forward indicator lamp control units, and the control circuit is used for controlling the indicator lamps included in the time-delay indicator lamp control unit to be turned on after the corresponding time interval K2 × T1; the state setting module is used for setting the coding position information of the indicator light control unit; the power supply module is used for supplying power to the indicator lamp control unit; and the signal transmitting module does not receive the triggering signals sent by other indicating lamp control units within a set time t after sending the triggering signals.
4. The control device of the vehicle speed indicating lamp according to claim 3, wherein the signal transmitting module is configured to transmit the trigger signal to two indicator lamp control units in the backward direction;
when i is 1, K1 is 1, and K is 2, the signal receiving module in the ith time-delay indicator lamp control unit is configured to receive the trigger signal sent by the initial indicator lamp control unit, and the control circuit is configured to light an indicator lamp included in the time-delay indicator lamp control unit after a corresponding time interval T1;
when i is larger than or equal to 2, the signal receiving module in the ith delay indicator lamp control unit is used for receiving the trigger signal sent by the indicator lamp control unit arranged in the distance which is less than or equal to 2D from the ith delay indicator lamp control unit in the forward direction, and the control circuit is used for lighting the indicator lamps included in the delay indicator lamp control unit after the corresponding time interval k 2T 1.
5. The vehicle speed indicating lamp control device according to claim 1, wherein every adjacent M delay time indicating lamp control units are used as one delay time indicating lamp control group to form N delay time indicating lamp control groups;
the coding position information of the M delay indicator lamp control units in each group of delay indicator lamp control groups is 1, 2, … and M in sequence; and/or each indicator lamp control unit keeps on in a lighting state within a set time T2 after being lighted; the first and the last indicator light control units in the indicator light control units which are lighted simultaneously form a light strip with the length of T2X D/T1 and are transmitted backwards at the speed of D/T1.
6. A control method of a vehicle speed indicator lamp, characterized in that the control method is implemented using the control device of a vehicle speed indicator lamp according to claim 1, the control method comprising:
the initial indicator light control unit lights the indicator light included in the initial indicator light control unit once every preset time T0, and sends a trigger signal to the backward delay indicator light control unit;
when i is less than M, the ith delay indicator lamp control unit receives the trigger signal sent by each indicator lamp control unit arranged in the forward direction of the ith delay indicator lamp control unit, and lights the indicator lamp included in the delay indicator lamp control unit and the trigger signal sent by K delay indicator lamp control units in the backward direction after a corresponding time interval K1T 1, wherein K1 indicates that the distance between the ith delay indicator lamp control unit and each indicator lamp control unit in the forward direction is a multiple of the distance D, the value of K1 is 1-i, and K is less than M;
when i is larger than or equal to M, the ith delay indicator lamp control unit receives the trigger signals sent by K forward delay indicator lamp control units arranged on the ith delay indicator lamp control unit, and lights the indicator lamps included in the delay indicator lamp control unit and the trigger signals sent by K backward delay indicator lamp control units after a corresponding time interval K2T 1, wherein K2 represents the distance between the ith delay indicator lamp control unit and the K forward delay indicator lamp control units and the multiple of the distance D, K2 is 1, 2, … and K, and K is less than M;
wherein the trigger signal comprises encoded position information characterizing the indicator light control unit sending the trigger signal, from which encoded position information k1, k2 are determined.
7. The control method of a vehicle speed indicator lamp according to claim 6, wherein when i-1, K1-1 and K-2,
the 1 st time-delay indicator lamp control unit receives the trigger signal sent by the initial indicator lamp control unit arranged in the front of the 1 st time-delay indicator lamp control unit, and lights the indicator lamp included in the time-delay indicator lamp control unit and the trigger signals sent by the two time-delay indicator lamp control units in the back after the corresponding time interval T1;
when i is more than or equal to 2, the ith delay indicator lamp control unit receives the trigger signal sent by the indicator lamp control unit arranged in the distance which is less than or equal to 2D from the ith delay indicator lamp control unit in the forward direction, and lights the indicator lamp included by the delay indicator lamp control unit and the trigger signals sent by the two delay indicator lamp control units in the backward direction after the corresponding time interval k 2T1, k2 represents the distance between the ith delay indicator lamp control unit and the indicator lamp control unit in the distance which is less than or equal to 2D from the forward direction and the multiple of the distance D, and k2 is 1 or 2.
8. The control method of the vehicle speed indicator lamp according to claim 7, wherein the indicator lamp control unit includes a signal transmitting module, a signal receiving module, a control circuit, the indicator lamp, and a status setting module;
the control method further comprises the following steps:
the signal transmitting module sends the trigger signals to the K backward delay indicator lamp control units;
when i is less than M, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by each indicator lamp control unit in the forward direction; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k1 × T1;
when i is more than or equal to M, the signal receiving module in the ith time-delay indicator lamp control unit receives K forward signals
The trigger signal is sent by the indicator lamp control unit; the control circuit controls to light the indicator lights included in the time delay indicator light control unit after the corresponding time interval k2 × T1;
the state setting module is used for setting coding position information of the indicator lamp control unit;
and the signal transmitting module does not receive the triggering signals sent by other indicating lamp control units within a set time t after sending the triggering signals.
9. The control method of a vehicle speed indicator lamp according to claim 8, characterized by further comprising:
the signal transmitting module sends the trigger signals to the two indicator lamp control units at the rear part;
when i is 1, K1 is 1 and K is 2, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by the forward initial indicator lamp control unit; the control circuit lights the indicator lights included in the time-delay indicator light control unit after a corresponding time interval T1;
when i is more than or equal to 2, the signal receiving module in the ith time-delay indicator lamp control unit receives the trigger signal sent by the indicator lamp control unit in the forward distance of the ith time-delay indicator lamp control unit which is less than or equal to 2D; the control circuit lights the indicator lights included in the time-delay indicator light control unit after the corresponding time interval k2 × T1.
10. The control method of a vehicle speed indicator lamp according to claim 6, characterized by further comprising:
every adjacent M delay indicator lamp control units are used as a delay indicator lamp control group to form N delay indicator lamp control groups;
the coding position information of the M delay indicator lamp control units in each group of delay indicator lamp control groups is 1, 2, … and M in sequence; and/or each indicator lamp control unit keeps on in a lighting state within a set time T2 after being lighted; the first and the last indicator light control units in the indicator light control units which are lighted simultaneously form a light strip with the length of T2X D/T1 and are transmitted backwards at the speed of D/T1.
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| CN1377795A (en) * | 2001-03-30 | 2002-11-06 | 崔汉平 | Far viewing dynamic vehicle speed indication lamp |
| CN202806543U (en) * | 2012-09-04 | 2013-03-20 | 蒋雲霄 | Controller for vehicle speed indicator lamp |
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