CN107690218A - A kind of signal lamp working condition detecting system and method - Google Patents
A kind of signal lamp working condition detecting system and method Download PDFInfo
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- CN107690218A CN107690218A CN201710774141.2A CN201710774141A CN107690218A CN 107690218 A CN107690218 A CN 107690218A CN 201710774141 A CN201710774141 A CN 201710774141A CN 107690218 A CN107690218 A CN 107690218A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
Abstract
The present invention relates to electronic technology field, discloses a kind of signal lamp working condition detecting system and method, for solving the problems, such as that signal lamp detection easily missing inspection and flase drop occurs.This method is：First optical signal of setting ratio in the optical signal that collection signal lamp is integrally sent, and the first signal intensity of first optical signal is detected, the current working condition of signal lamp is finally determined according to the first signal intensity.So, can be with the premise of signal lamp normal luminous not be influenceed, globality collection is carried out for the first optical signal of the optical signal that all lamp beads are sent in signal lamp, occur so as to avoid the situation for only being judged to the working condition of indivedual lamp beads and causing to produce the overall work state of signal lamp erroneous judgement, the accuracy of signal lamp working condition judgement is effectively increased, while also extends the service life of signal lamp.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of signal lamp working condition detecting system and method.
Background technology
Traffic signal control system must have higher reliability and stability, otherwise can cause traffic accident.Therefore
Generally be equipped with traffic signal control system to the abnormal detectors of traffic lights, avoid because signal lamp is abnormal cause it is defeated
Go out red conflict (crossing all directions are when red), green conflict (it is green light that direction is closed at crossing), light-off trouble light etc. to ask
Topic.
Due to current traffic lights, the overwhelming majority is heavy-current control signal lamp, and each signal lamp light color has independent lamp
Line, therefore now for the detection method of signal lamp output, be the voltage and current on the corresponding lamp line of detection, pass through magnitude of voltage
Speculate that signal lamp lights situation with current value.
However, above detection method can only go out the illuminating state of signal lamp with certain Probability Detection, flase drop be present.
For example, not lighted when signal lamp lamp holder LED is damaged, the characteristic of resistive load is shown, or power outputting section has short circuit
Situation, may also have voltage and current on the lamp line of signal lamp, but now signal lamp is not normal luminous.Meanwhile
During site operation, often there is the connection of " the more lamps of a line ", i.e., in an output channel, more signal lamps in parallel, when
, also can not accurate judgement failure by way of detecting voltage, electric current during which part signal lamp exception.Further, since signal
The huge number of lamp, electric current of every kind of signal lamp when working properly differ, and the factor also results in signal lamp flase drop.
Using the detection method of voltage, electric current, the detection to signal lamp secretly bright situation can not be also realized, and signal lamp is bright
Degree is inadequate, easily causes the erroneous judgement of vehicle operator, it is also possible to lead to a disaster.
For drawbacks described above, have to propose to detect using light in document at present and realize that the method that detection is exported to signal lamp adds
To solve, this method realizes the detection to signal lamp output by the luminance of some lamp beads of detection signal lamp.
But this method also has the problem of serious：
1st, when detected lamp bead occur it is abnormal can not light or dark bright, and other lamp beads are in normal luminous, can't shadow
Traffic is rung, and need not be reported as failure, and this problem determination can be failure by this method.
2nd, it is now serious failure when detected lamp bead is lighted, and other lamp beads are abnormal, and this method can judge
It is normal for signal lamp.
3rd, when two situations occur more than, judge that red green conflict has the problem of serious using this method, it is easy to
There is red conflict, the missing inspection of green conflict and flase drop；
4. this method needs external optical fiber and convex lens, and the putting position of convex lens and optical fiber requires harsh, causes to give birth to
It is relatively complicated to produce manufacturing process, while reliability is not high.
The content of the invention
The embodiment of the present application provides a kind of signal lamp working condition detecting system and method, solves and detects in the prior art
During signal lamp, only part lamp bead is detected, can not judge that signal lamp is current according to signal lamp overall luminance
Working condition, easily there is the problem of missing inspection and flase drop.
The concrete technical scheme that the embodiment of the present application provides is as follows：
A kind of signal lamp working condition detecting system, including at least the first light collection equipment, the first light sensing device and place
Device is managed, wherein：
First light collection equipment, the side relative positioned at signal lamp, for setting ratio in the optical signal that sends signal lamp
First optical signal of example reflexes to the first specified location；
First light sensing device, it is connected with the processor, for detecting the first light letter in the first specified location
Number, determine the first signal intensity of first optical signal；
Processor, the current working condition of the signal lamp is determined according to first signal intensity.
Optionally, the first light collection equipment is toroidal lens or Fresnel Lenses；Wherein, the toroidal lens or phenanthrene
Anti-reflective coating is provided with the reflecting surface of Nie Er lens.
Optionally, including：First convex lens, positioned at first specified location, for making to first optical signal
Further focus on, and the first optical signal after aggregation is sent to first light sensing device.
Optionally, the color of first convex lens is consistent with signal lamp color.
Optionally, first light sensing device is used for：
The optical signal in the range of the first preset wavelength in first optical signal is detected, wherein, the described first default ripple
Long scope is consistent with the wave-length coverage for the optical signal that the signal lamp is sent.
Optionally, including：
Second light collection equipment, transmitted for gathering current environment light, and by the second optical signal of the current environment light
To the second specified location；
Second light sensing device, it is connected with the processor, for detecting described second in second specified location
Optical signal, the secondary signal intensity of second optical signal is determined, and the secondary signal intensity is sent to the processing
Device.
Optionally, second light sensing device is additionally operable to：
In second optical signal, the rinforzando optical signal of signal intensity in setting duration is filtered out, or/and,
The optical signal outside the second preset wavelength scope is filtered out, wherein, the second preset wavelength scope and described first is preset
Wave-length coverage is completely overlapped or partly overlaps.
Optionally, the second light collection equipment is the second convex lens, for gather the second light collection equipment
Second optical signal further focuses to second specified location.
Optionally, the processor is used for：
Multiple signal intensity sections are set according to the secondary signal intensity, wherein, each signal intensity section with it is described
The working condition of signal lamp has corresponding relation；
The signal intensity section belonged to according to first signal intensity, determines the current working condition of the signal lamp.
The application also provides a kind of signal lamp working state detecting method, including：
The first optical signal of setting ratio reflexes to the first specified location in the optical signal that signal lamp is sent；
First optical signal is detected in first specified location, determines that the first signal of first optical signal is strong
Degree；
The current working condition of the signal lamp is determined according to the first signal intensity.
Optionally, the first optical signal of setting ratio reflexes to the first specified location in optical signal signal lamp sent,
Including：
In the side of signal lamp, one toroidal lens or Fresnel Lenses are set, and in the toroidal lens or Fresnel Lenses
Reflecting surface do increasing inverse processing, first optical signal is reflexed into first by the toroidal lens or Fresnel Lenses specifies
Position.
Optionally, in addition to：
The first convex lens are set in first specified location, by first convex lens by first optical signal
Make further to focus on.
Optionally, the color of first convex lens of use is consistent with signal lamp color.
Optionally, including：
The optical signal in the range of the first preset wavelength in first optical signal is detected, wherein, the described first default ripple
Long scope is consistent with the wave-length coverage for the optical signal that the signal lamp is sent.
Optionally, in addition to：
Current environment light is gathered, and the second optical signal of the current environment light is sent to the second specified location；
Second optical signal is detected in second specified location, determines that the secondary signal of second optical signal is strong
Degree.
Optionally, from second optical signal, the rinforzando optical signal of signal intensity in setting duration is filtered out,
Or/and filter out and set the optical signal outside wave-length coverage second, wherein, the second preset wavelength scope and described first
Preset wavelength scope is completely overlapped or partly overlaps.
Optionally, the current working condition of the signal lamp is determined according to first signal intensity, including：
Multiple signal intensity sections are set according to the secondary signal intensity, wherein, each signal intensity section with it is described
The working condition of signal lamp has corresponding relation；
The signal intensity section belonged to according to first signal intensity, determines the current working condition of the signal lamp.
In the embodiment of the present application, the first optical signal of setting ratio in the optical signal that collection signal lamp is integrally sent, and examine
The first signal intensity of first optical signal is surveyed, the current working condition of signal lamp is finally determined according to the first signal intensity.
So, can be with the premise of signal lamp normal luminous not be influenceed, for the of all lamp beads are sent in signal lamp optical signal
One optical signal carries out globality collection, therefore, even if extremely indivedual lamp bead damages occurs in signal lamp, still can integrally be sent out in signal lamp
In the case of light, system still can be determined that signal lamp is in normal luminous state, so as to avoid only to the work of indivedual lamp beads
The situation for being judged as state and causing to produce the overall work state of signal lamp erroneous judgement occurs, and effectively increases signal lamp
The accuracy that working condition judges, while also extend the service life of signal lamp.On the other hand, pass through in the embodiment of the present invention
The lampshade of particular result can complete the collection of the first optical signal of signal lamp, this not only reduces device take space,
Implementation complexity is also reduced simultaneously, and then has saved cost of implementation, suitable for a wide range of interior popularization.
Brief description of the drawings
Fig. 1 is the first structural representation of the system of detection signal lamp working condition in the embodiment of the present application；
Fig. 2 is the structural representation of the first light collection equipment in the embodiment of the present application；
Fig. 3 is the first light collection equipment operation principle schematic diagram in the embodiment of the present application；
Fig. 4 is the operation principle schematic diagram of the first convex lens in the embodiment of the present application；
Fig. 5 is second of structural representation of the system of detection signal lamp working condition in the embodiment of the present application；
Fig. 6 is the circuit theory schematic diagram of processor in traffic lights detecting system in the embodiment of the present application；
Fig. 7 is the schematic flow sheet detected in the embodiment of the present application to signal lamp working condition.
Embodiment
The embodiment of the present application provides a kind of signal lamp working condition detecting system and method, solves and detects in the prior art
During signal lamp, only part lamp bead is detected, can not judge that signal lamp is current according to signal lamp overall luminance
Working condition, easily there is the problem of missing inspection and flase drop.
Technical scheme in the embodiment of the present application is to solve the above problems, general thought is as follows：
In the embodiment of the present application, because the part signal that the first light collection equipment is the setting ratio sent to signal lamp enters
Row collection, it is that the overall optical signal of signal lamp is acquired, then sends the first optical signal collected to first again
First optical signal received is converted into electric signal, i.e. the first signal intensity by light sensing device, the first light sensing device.
Last processor judges that the first signal intensity belongs to that Target Signal Strength section, and different signal intensity sections is corresponding not
Same signal lamp state, thereby determine that the working condition of current demand signal lamp., can be with effective address signal lamp using this technical scheme
Missing inspection and the technical problem of flase drop.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to above-mentioned
Technical scheme is described in detail, it should be understood that the specific features in the embodiment of the present application and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case where not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be combined with each other.
The signal lamp working condition detecting system (hereinafter referred to as system) provided in the embodiment of the present application is mainly used in
Traffic signal light fault detects, such as the traffic light of common traffic route crossroad, below with the red green letter at crossing
Illustrate exemplified by signal lamp, the first light collection equipment refers to the lampshade of traffic lights, and the traffic light to be detected is by some lamp bead groups
Into.
As shown in fig.1, in the embodiment of the present application, the specific framework of system is as follows, comprises at least：
First light collection equipment 12, positioned at the side of signal lamp, for the light that sends whole signal lamp lamp bead by setting
First optical signal of ratio reflexes to the first specified location.
Optionally, first specified location is the focal position focused on after first optical signal reflects, can be letter
The middle part of signal lamp, the embodiment of the present application are not particularly limited.
First light sensing device 13, is connected with processor 14, for receiving the first light letter in the first specified location
Number, and the first signal intensity of first optical signal is determined, first signal intensity is sent to the processor 14.
Optionally, first light sensing device 13 is located at the first specified location, and the first light sensing device 13 is at least wrapped
Photodiode, phototriode, photomultiplier etc. are included, the first optical signal for the first light collection equipment 12 to be focused on turns
Electric signal is changed to, and detects the signal intensity of the electric signal, be i.e. the first signal intensity.
Processor 14, the current work shape of signal lamp is determined according to the first signal intensity that the first light sensing device 13 detects
State.
Specifically, processor 14 can determine the Target Signal Strength section of the first signal intensity ownership received, and
With reference to the corresponding relation between default signal intensity section and signal lamp working condition, based on described in the determination of the first signal intensity
The current working condition of signal lamp.
On the setting in signal intensity section, will be explained in detail in subsequent embodiment.
Optionally, the first light collection equipment 12 can use toroidal lens or Fresnel Lenses.
By taking Fresnel Lenses as an example, as shown in fig.2, the reflecting surface in Fresnel Lenses 21 has one layer of Anti-reflective coating 22,
In the embodiment of the present application, can be reflected by a certain percentage by Fresnel Lenses 21 directly using Fresnel Lenses 21 as lampshade
The first optical signal for returning can focal length in a bit, be easy to the first light sensing device 13 to receive, on the other hand, the energy of Fresnel Lenses 21
The parallel light for enough enabling transmitted light be sent with lamp panel, ensure that the luminance of signal lamp is unaffected.
Concrete principle of the Fresnel Lenses 21 as the first light collection equipment 12 collection optical signal, as shown in figure 3, LED
The light that pearl sends, it is irradiated to after lampshade made of Fresnel Lenses 21, because the effect of Anti-reflective coating 22 can make portions incident
Light reflects, and the inner side of lampshade is negative Fresnel Lenses, similar with the characteristic of concave mirror, and the negative Fresnel Lenses can make portion
Point reflected light focuses on its focus.After the emergent light of LED lamp bead is irradiated to lampshade, in addition to part light can be by reflection, also have a large amount of
Light can pass through lampshade and be used as transmitted light, because to bear Fresnel Lenses, outside is positive Fresnel Lenses on the inside of the lampshade, because
This, relative to lampshade, transmitted light is parallel with the optical propagation direction that LED lamp bead is sent.Simultaneously because transmitted light light quantity accounts for LED lamp bead
Send the overwhelming majority of light quantity, the presence of reflected light will not the illumination effect final to signal lamp impact.
Optionally, as shown in figure 4, in the first specified location, the first convex lens 41 are set.First convex lens 41 can have
Body is located at the near focal point of Fresnel Lenses 21, and the first convex lens 41 can make the first optical signal further to focus on, after aggregation
First optical signal and signal lamp Integral luminous intensity are proportional.There is the first light sensing device 13 after the first convex lens 41,
The light assembled by the first convex lens 41 can be converted to electric signal by the first light sensing device 13, and give electric signal to the place
Manage device 14.
Optionally, in order to further improve accuracy of detection, the first convex lens 41 can select colored lens, selection
Color it is consistent with signal lamp color.
Such as：If signal lamp lamp holder is red light, the first convex lens 41 are from red convex lens, red convex lens meeting
Targetedly red light is focused on, other color of light can be absorbed by the convex lens of red, so as to reduce extraneous complex illumination ring
Influence of the border to signal lamp abnormality detection.
Optionally, the first light sensing device 13 is specifically used for：Detect in the first optical signal in the range of the first preset wavelength
Optical signal, the first preset wavelength scope is consistent with the wave-length coverage of first optical signal.Why, the first light is set
Detection device 13 is detected just for the optical signal in the range of the first preset wavelength, can effectively reduce complex illumination environment
Influence, be easy to obtain more accurate first signal intensity during subsequent detection.
For example, it is assumed that signal lamp lamp holder is red light, then the first light sensing device 13 is only to the red light in the first optical signal
Detection process is carried out, i.e. the first preset wavelength scope is consistent with the wave-length coverage of red light.
On the other hand, if as shown in fig.4, be not provided with the first convex lens 41 in system, the first light can be detected and set
Standby 13 are placed on the first focal points of Fresnel Lenses 21, will first focal point as the first specified location；And if system
In be provided with the first convex lens 41, then the first light sensing device 13 can be placed on second burnt after the first convex lens 41 focus on
Point at, will second focal point as the first specified location.
Optionally, in order to remain to the working condition of accurate judgement signal lamp under different environment illumination intensities, further
Ground, also increase the equipment to the detection of current environment photoenvironment, as shown in fig.5, also including in system：
Second light collection equipment 51, it is used for positioned at the side of signal lamp, and with the first light collection equipment 12 positioned at not homonymy
Current environment light is gathered, and the second optical signal of current environment light is sent to the second specified location；What be should be noted is a bit：
Second light collection equipment 51 can not be located at the luminous side of signal lamp.
For example, as shown in figure 5, in the embodiment of the present application, the second light collection equipment 51 is located at the back side of signal lamp lamp bead, the
Two light collection equipment 51 can be assembled ambient light, and the focus after aggregation is the second specified location, and be referred to second
Positioning puts that there is provided the second light sensing device 52.
Second light sensing device 52, is connected with processor 14, for detecting the second optical signal in the second specified location, really
The secondary signal intensity of fixed second optical signal, and secondary signal intensity is sent to processor 14；Wherein, optionally, second
Light collection equipment 52 is the second convex lens, and the second optical signal for the second light collection equipment 52 to be gathered further focuses to
Two specified locations.
Optionally, processor 14 can be based on secondary signal intensity setting signal intensity interval；Specially：, processor 14
First threshold and Second Threshold can be obtained according to secondary signal intensity and default environment constant, then, processor 14 can be with
Using first threshold and Second Threshold as dividing value, the multiple signal intensity sections corresponding with signal lamp working condition are marked off.
Such as, first interval is the signal intensity section less than first threshold, represents that signal lamp be in light-off state, second interval for more than
Equal to first threshold and less than or equal to the signal intensity section of Second Threshold, represent that signal lamp is in dark bright state, 3rd interval
For the signal intensity section more than Second Threshold, expression signal lamp is normal illuminating state.
Such as：Assuming that the signal intensity for the first optical signal that data 1 (E1) expression signal lamp is sent, i.e. the first signal are strong
Degree, the and (E of data 22) represent ambient light the second optical signal signal intensity, i.e., above-mentioned secondary signal intensity；So, according to E1
With E2Contrast judgement semaphore working condition.Specific determination methods are as follows：
(1) turn off the light and judge.
Light-off makes finger signal lamp can not light completely, or luminous intensity is too weak when lighting is difficult to know so that making one naked eyes
Not.When detecting that E1 is less than first threshold (Emin), it is judged as that signal lamp is in light-off state.
EminValue determined by below equation：
Emin=kE2+a
Wherein, a, k are a constant, and the constant may be relevant with signal lamp profile, installation site etc..
(2) signal lamp secretly bright state.
Signal lamp it is dark it is bright refer to signal lamp part lamp bead failure, or Integral luminous intensity is undesirable, and now pedestrian may
Light on and off state to signal lamp causes to judge by accident, and then accident occurs.When detecting E1Less than or equal to Second Threshold (Edim) and be more than
Equal to EminWhen, processor 14 judges that signal lamp is in dark bright state.
EdimValue determined by below equation：
Edim=E2*b+c
Wherein, b and c are constant, may be relevant with the factor such as signal lamp profile, installation site.
(3) judgement of the normal illuminating state of signal lamp.
When detecting E1More than EdimWhen, processor 14 judges that signal lamp is in normal illuminating state, wherein EdimValue
See above-mentioned formula.
In the embodiment of the present invention, optionally, the process circuit structure of processor 14 is as shown in Figure 6：It is electric including at least there is amplification
Road, analog-digital converter (Analog-to-Digital Converter, ADC), main controller and communication interface.
The first optical signal that first light sensing device 13 sends signal lamp switchs to electric signal, amplifies by amplifying circuit 1
Afterwards, data signal 1 (data 1) is converted to by ADC1 and gives main controller.Second light sensing device 52 is by external environmental light (the second light
Signal) switch to electric signal, after the amplification of amplifying circuit 2, data signal 2 (data 2) is converted to by ADC2 and gives main controller.It is main
Control device judges that signal lamp whether there is according to the first signal intensity of the first optical signal and the secondary signal intensity of the second optical signal
It is abnormal, and will determine that the main frame that result is sent to by communication interface in traffic signal control system.
Because main controller can get the lamp control signal lighted signal lamp for instruction and lighted, therefore, if main controller is not
Lamp control signal is detected, while but detects that the current working condition of signal lamp is normal illuminating state, then main controller passes through logical
Letter interface directly transmits signal lamp and lights abnormal notification message；And if main controller detects lamp control signal, while but detect letter
The current working condition of signal lamp is light-off state, then main controller directly transmits the abnormal notice of signal lamp light-off by communication interface and disappeared
Breath；And if main controller detects lamp control signal, while but detecting that signal lamp is in dark bright state, then main controller is connect by communication
Mouth directly transmits the dark bright abnormal notification message of signal lamp.
Optionally, the second light sensing device 52 is specifically used for：From current environment light, the signal in setting duration is filtered out
The rinforzando optical signal of intensity, or/and, the optical signal of the ambient light outside the second preset wavelength scope is filtered out, wherein,
Two preset wavelength scopes and the first preset wavelength overlapping ranges partly overlap.
Because external environment illumination situation is more complicated, signal lamp is made in order to avoid car light or other lighting apparatus occurs
Into influence situation, it is necessary to be filtered processing in the second light sensing device 52.Due to signal lamp luminous power, to send moment abnormal
The situation of change is very rare, when detected in setting time rinforzando optical signal be present in the second optical signal when, can be with
It is considered that ambient light caused by irradiation strengthens suddenly suddenly for car light irradiation suddenly or other lighting apparatus, should now casts out inspection
The rinforzando optical signal measured.
In order to further improve the accuracy of detection of ambient light, the second light sensing device 52 can also be further pre- second
If detecting the second optical signal in wave-length coverage, that is, the optical signal of the ambient light outside the second preset wavelength scope is filtered out, wherein,
The the second preset wavelength scope and the first light sensing device 13 that second light sensing device 52 uses use the first preset wavelength scope
It could be arranged to overlapping or partly overlap.
Optionally, the second light collection equipment 51 can use the second convex lens, for being used to the second light collection equipment 51
The second optical signal make further focus on.Such as, the second optical signal can be focused on focal point by the second convex lens, and the focal point is
For the second specified location, the second light sensing device 52 is just arranged on the second specified location.
Based on same inventive concept, the embodiment of the present application also provides a kind of signal lamp working state detecting method, by preceding
The detailed description to signal lamp working condition detecting system and its various change form is stated, those skilled in the art can be clear
Understand the implementation structure of system described in the present embodiment, thus it is succinct for specification, it will not be repeated here.
As shown in fig.7, the idiographic flow of signal lamp working state detecting method is as follows：
Step 701：The first optical signal of setting ratio reflexes to the first specified location in the optical signal that signal lamp is sent.
When performing step 701, optionally, one toroidal lens or Fresnel Lenses can be set in the side of signal lamp,
And increasing inverse processing is done in the reflecting surface of toroidal lens or Fresnel Lenses, the first light is believed by toroidal lens or Fresnel Lenses
Number reflex to the first specified location.
Optionally, the first convex lens can be further set in above-mentioned first specified location, by the first convex lens by the
One optical signal is made further to focus on.
Optionally, the color of above-mentioned first convex lens of use is consistent with signal lamp color.
Step 702：The first optical signal is detected in above-mentioned first specified location, determines that the first signal of the first optical signal is strong
Degree.
Optionally, the optical signal in the first optical signal in the range of the first preset wavelength can be detected, wherein, first is default
Wave-length coverage is consistent with the wave-length coverage for the optical signal that signal lamp is sent.
Step 703：The current working condition of signal lamp is determined according to the first signal intensity.
Optionally, after step 702 is performed, before step 703 is performed, current environment can also further be gathered
Light, and the second optical signal of current environment light is sent to the second specified location, and detect the second light in the second specified location
Signal, determine the secondary signal intensity of the second optical signal.
Optionally, the rinforzando optical signal of signal intensity in setting duration can be filtered out in the second optical signal,
Or/and filter out and set the optical signal outside wave-length coverage second, wherein, the second preset wavelength scope and described first is preset
Wave-length coverage is completely overlapped or partly overlaps.
After having performed aforesaid operations, further, when performing step 703, it can be set according to secondary signal intensity more
Individual signal intensity section, wherein, each signal intensity section and the working condition of the signal lamp have corresponding relation；Then,
The signal intensity section belonged to according to the first signal intensity, determines the current working condition of signal lamp.
Technical scheme in the embodiment of the present invention, determined with the secondary signal intensity of the second optical signal of current environment light
Signal intensity section, reason have at following 2 points：
(1) the first optical signal of the signal lamp detected, it is possible to can be influenceed by the second optical signal, so as to cause to miss
Inspection, the situation of missing inspection occur, therefore, it is necessary to the second optical signal are introduced, in order to the differentiation that becomes more meticulous.
(2) under varying environment illumination condition, human eye is in dark judgement that is bright, turning off the light to signal lamp can be variant, to protect
The detection method provided in card the embodiment of the present application is with eye recognition result as close possible to, it is necessary to introduce the second optical signal.
In summary, in the embodiment of the present application, in the optical signal that the first light collection equipment 12 collection signal lamp is integrally sent
First optical signal of setting ratio, then the first optical signal is detected by the first light sensing device 13 and determines the first signal intensity, finally
Processor 14 determines the current working condition of signal lamp according to the first signal intensity.So, can be not influence signal lamp
Under the premise of normal luminous, for setting ratio in all lamp beads are sent in signal lamp optical signal the first optical signal carry out it is overall
Property collection, even if extremely indivedual lamp beads damage occurs in signal lamp, in the case where signal lamp still can be with Integral luminous, system still may be used
To judge that signal lamp is in normal luminous state, only the working conditions of indivedual lamp beads is judged and caused pair so as to avoid
The situation that the overall work state of signal lamp produces erroneous judgement occurs, and effectively increases the accuracy of signal lamp working condition judgement,
The service life of signal lamp is also extended simultaneously.
On the other hand, the first optical signal of signal lamp can be completed in the embodiment of the present invention by the lampshade of specific structure
Collection, this not only reduces the space that device takes, while also reduce implementation complexity, and then saved cost of implementation,
Suitable for a wide range of interior popularization.
Further, the first convex lens further focused on for the first optical signal for gathering the first light collection equipment 12
41, optical signal can not only more accurately be sent to the first light sensing device 13 to, moreover it is possible to filtered off according to the color of itself outer
The interference of boundary's veiling glare, further increase the precision of detection.
Further, in the embodiment of the present application, the first light sensing device 13 detects the light in the range of the first preset wavelength
Signal, and the optical signal of 52 the second preset wavelength scopes of detection of the second light sensing device, the first preset wavelength scope and letter
First wavelength of optical signal scope of signal lamp is identical, and the first preset wavelength scope and the second preset wavelength scope are arranged to complete weight
Fold or partly overlap, so, just can further filter off the interference of extraneous veiling glare, improve the accuracy of testing result.
On the other hand, because signal lamp in the case that ambient light is dark when working, in fact it could happen that ambient light strengthens suddenly
Situation, cause the erroneous judgement to signal lamp working condition, in the embodiment of the present application, the first optical signal for not only being sent to signal lamp
Detected, also the second optical signal of current environment light is detected.Processor 14 can also be according to the of the second optical signal
Binary signal intensity sets multiple signal intensity sections, has between each signal intensity section and the working condition of signal lamp corresponding
Relation so that the signal intensity section that processor 14 can belong to according to the first optical signal, the current work of accurate judgement signal lamp
Make state (e.g., dark bright state, OFF state, normal illuminating state etc.), also more conform to actual demand, avoid flase drop.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (17)
1. a kind of signal lamp working condition detecting system, it is characterised in that detected including at least the first light collection equipment, the first light
Equipment and processor, wherein,
First light collection equipment, the side relative positioned at signal lamp, for setting ratio in the optical signal that sends signal lamp
First optical signal reflexes to the first specified location；
First light sensing device, it is connected with the processor, for detecting first optical signal in the first specified location, really
First signal intensity of fixed first optical signal；
Processor, the current working condition of the signal lamp is determined according to first signal intensity.
2. signal lamp working condition detecting system as claimed in claim 1, it is characterised in that the first light collection equipment is
Toroidal lens or Fresnel Lenses；Wherein, it is provided with Anti-reflective coating on the reflecting surface of the toroidal lens or Fresnel Lenses.
3. signal lamp working condition detecting system as claimed in claim 1, it is characterised in that including：
First convex lens, positioned at first specified location, for making further to focus on to first optical signal, and it will gather
The first optical signal after collection is sent to first light sensing device.
4. signal lamp working condition detecting system as claimed in claim 3, it is characterised in that the color of first convex lens
It is consistent with signal lamp color.
5. the signal lamp working condition detecting system described in claim any one of 1-4, it is characterised in that the first light inspection
Measurement equipment is used for：
The optical signal in the range of the first preset wavelength in first optical signal is detected, wherein, the first preset wavelength model
Enclose consistent with the wave-length coverage for the optical signal that the signal lamp is sent.
6. the signal lamp working condition detecting system as described in claim any one of 1-4, it is characterised in that including：
Second light collection equipment, is sent to for gathering current environment light, and by the second optical signal of the current environment light
Two specified locations；
Second light sensing device, it is connected with the processor, for detecting the second light letter in second specified location
Number, the secondary signal intensity of second optical signal is determined, and the secondary signal intensity is sent to the processor.
7. signal lamp working condition detecting system as claimed in claim 6, it is characterised in that second light sensing device is also
For：
In second optical signal, the rinforzando optical signal of signal intensity in setting duration is filtered out, or/and, filtering
Fall the optical signal outside the second preset wavelength scope, wherein, the second preset wavelength scope and first preset wavelength
Scope is completely overlapped or partly overlaps.
8. signal lamp working condition detecting system as claimed in claim 6, it is characterised in that the second light collection equipment is
Second convex lens, second optical signal for the second light collection equipment to be gathered further focus to described second and referred to
Positioning is put.
9. the signal lamp working condition detecting system as described in claim any one of 6-8, it is characterised in that the processor
For：
Multiple signal intensity sections are set according to the secondary signal intensity, wherein, each signal intensity section and the signal
The working condition of lamp has corresponding relation；
The signal intensity section belonged to according to first signal intensity, determines the current working condition of the signal lamp.
A kind of 10. signal lamp working state detecting method, it is characterised in that including：
The first optical signal of setting ratio reflexes to the first specified location in the optical signal that signal lamp is sent；
First optical signal is detected in first specified location, determines the first signal intensity of first optical signal；
The current working condition of the signal lamp is determined according to the first signal intensity.
11. the signal lamp working state detecting method as described in right wants 10, it is characterised in that the optical signal for sending signal lamp
First optical signal of middle setting ratio reflexes to the first specified location, including：
One toroidal lens or Fresnel Lenses be set in the side of signal lamp, and in the anti-of the toroidal lens or Fresnel Lenses
Increasing inverse processing is done in the face of penetrating, and first optical signal is reflexed into the first specific bit by the toroidal lens or Fresnel Lenses
Put.
12. signal lamp working state detecting method as claimed in claim 10, it is characterised in that also include：
First specified location set the first convex lens, by first convex lens by first optical signal make into
One step focuses on.
13. signal lamp working state detecting method as claimed in claim 10, it is characterised in that first convex lens of use
The color of mirror is consistent with signal lamp color.
14. the signal lamp working state detecting method as described in claim any one of 10-13, it is characterised in that including：
The optical signal in the range of the first preset wavelength in first optical signal is detected, wherein, the first preset wavelength model
Enclose consistent with the wave-length coverage for the optical signal that the signal lamp is sent.
15. the signal lamp working state detecting method as described in claim any one of 10-13, it is characterised in that also include：
Current environment light is gathered, and the second optical signal of the current environment light is sent to the second specified location；
Second optical signal is detected in second specified location, determines the secondary signal intensity of second optical signal.
16. signal lamp working state detecting method as claimed in claim 15, it is characterised in that also include：
From second optical signal, the rinforzando optical signal of signal intensity in setting duration is filtered out, or/and, filtering
Fall and set the optical signal outside wave-length coverage second, wherein, the second preset wavelength scope and the first preset wavelength model
Enclose completely overlapped or partly overlap.
17. the signal lamp working state detecting method as described in claim any one of 15-16, it is characterised in that according to described
First signal intensity determines the current working condition of the signal lamp, including：
Multiple signal intensity sections are set according to the secondary signal intensity, wherein, each signal intensity section and the signal
The working condition of lamp has corresponding relation；
The signal intensity section belonged to according to first signal intensity, determines the current working condition of the signal lamp.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175025A (en) * | 2020-03-26 | 2020-05-19 | 交通运输部北海航海保障中心烟台航标处 | Intelligent detection method and device for lamplight quality of beacon light |
| CN114051093A (en) * | 2021-11-09 | 2022-02-15 | 交通运输部北海航海保障中心烟台航标处 | Portable navigation mark lamp on-site detection system based on image processing technology |
| CN114152411A (en) * | 2021-11-29 | 2022-03-08 | 神思电子技术股份有限公司 | Signal lamp state detection method and device |
| CN114252240A (en) * | 2020-09-21 | 2022-03-29 | 财团法人资讯工业策进会 | Traffic signal lamp system, fault detection device and fault detection method of traffic signal lamp |
| CN114563081A (en) * | 2021-12-22 | 2022-05-31 | 高新兴创联科技有限公司 | Signal lamp signal identification system and method capable of resisting light interference |
| WO2023097930A1 (en) * | 2021-12-03 | 2023-06-08 | 江苏航天大为科技股份有限公司 | Detection and calculation method for brightness degradation of lamp beads of traffic light |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1215641A2 (en) * | 2000-12-13 | 2002-06-19 | Oy Sabik AB | Apparatus for monitoring and controlling a traffic control light |
| CN203934030U (en) * | 2014-01-08 | 2014-11-05 | 深圳市金路交通设施有限公司 | Energy-saving traffic signal lamp control system |
| CN204791542U (en) * | 2015-07-08 | 2015-11-18 | 郑州职业技术学院 | Traffic signal lamp's energy -saving control circuit |
| CN105206085A (en) * | 2015-10-12 | 2015-12-30 | 安徽工程大学机电学院 | Traffic lamp intelligent fault monitoring and repairing system based on internet of things |
-
2017
- 2017-08-31 CN CN201710774141.2A patent/CN107690218B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1215641A2 (en) * | 2000-12-13 | 2002-06-19 | Oy Sabik AB | Apparatus for monitoring and controlling a traffic control light |
| CN203934030U (en) * | 2014-01-08 | 2014-11-05 | 深圳市金路交通设施有限公司 | Energy-saving traffic signal lamp control system |
| CN204791542U (en) * | 2015-07-08 | 2015-11-18 | 郑州职业技术学院 | Traffic signal lamp's energy -saving control circuit |
| CN105206085A (en) * | 2015-10-12 | 2015-12-30 | 安徽工程大学机电学院 | Traffic lamp intelligent fault monitoring and repairing system based on internet of things |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111175025A (en) * | 2020-03-26 | 2020-05-19 | 交通运输部北海航海保障中心烟台航标处 | Intelligent detection method and device for lamplight quality of beacon light |
| CN114252240A (en) * | 2020-09-21 | 2022-03-29 | 财团法人资讯工业策进会 | Traffic signal lamp system, fault detection device and fault detection method of traffic signal lamp |
| CN114051093A (en) * | 2021-11-09 | 2022-02-15 | 交通运输部北海航海保障中心烟台航标处 | Portable navigation mark lamp on-site detection system based on image processing technology |
| CN114051093B (en) * | 2021-11-09 | 2024-04-09 | 交通运输部北海航海保障中心烟台航标处 | Portable navigation mark lamp field detection system based on image processing technology |
| CN114152411A (en) * | 2021-11-29 | 2022-03-08 | 神思电子技术股份有限公司 | Signal lamp state detection method and device |
| WO2023097930A1 (en) * | 2021-12-03 | 2023-06-08 | 江苏航天大为科技股份有限公司 | Detection and calculation method for brightness degradation of lamp beads of traffic light |
| CN114563081A (en) * | 2021-12-22 | 2022-05-31 | 高新兴创联科技有限公司 | Signal lamp signal identification system and method capable of resisting light interference |
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