CN205142584U - Lighting device and lighting system - Google Patents
Lighting device and lighting system Download PDFInfo
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- CN205142584U CN205142584U CN201520709450.8U CN201520709450U CN205142584U CN 205142584 U CN205142584 U CN 205142584U CN 201520709450 U CN201520709450 U CN 201520709450U CN 205142584 U CN205142584 U CN 205142584U
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Abstract
The utility model relates to a lighting device and lighting system. Lighting device is applied to road lighting, including information acquisition unit, information control unit and illumination element, wherein, the information acquisition unit be used for gathering with illumination element is the vehicle flowrate in the radius of predetermineeing in the centre of a circle, and sends to information control unit, the information control unit basis car flow control illumination element's luminance. Some vehicle flowrates change great place guaranteeing, on the basis like place safe illumination such as square, traffic subsidiary roads, realize the car flow control according to the highway section lighting device's function, the purpose that realizes practicing thrift the electric energy.
Description
Technical Field
The utility model relates to the field of lighting technology, more specifically say, relate to a lighting device and lighting system.
Background
Road lighting is an essential element for guaranteeing safe driving of roads at night, but along with the increasing of road mileage, the power resources consumed by matched road lighting devices are also increasing. When no vehicle passes through a road or the speed of the vehicle passing through the road is low, the road has low requirement on road illumination, and if the road is still illuminated normally, unnecessary waste of power resources is caused. In the prior art, when a road lighting device is arranged, the road surface illuminance is generally determined according to the highest lighting requirement of a road, and the requirement of required lighting brightness is met by changing the distance between the lighting devices or replacing the lamp bead power of the lighting devices, so that the requirement of road safety lighting is met. However, the lighting is always carried out by taking the highest lighting requirement as a standard, so that the electric energy is undoubtedly greatly wasted, and the requirement of sustainable development is not met.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a be applied to lighting device of road lighting can be according to highway section vehicle flow control lighting unit's luminance.
In order to achieve the above object, the utility model provides a following technical scheme:
a lighting device applied to road lighting comprises: the system comprises an information acquisition unit, an information control unit and an illumination unit; wherein,
the information acquisition unit is used for acquiring the traffic flow within a preset radius range with the illumination unit as the center of a circle and transmitting the traffic flow to the information control unit;
and the information control unit is used for controlling the brightness of the illumination unit according to the traffic flow.
Preferably, the information control unit is configured to determine a target illuminance according to the traffic flow query preset lighting standard, and adjust the brightness of the lighting unit so that the brightness of the lighting unit is equal to the target illuminance.
Preferably, the information acquisition unit is further configured to acquire the road surface illuminance within a preset radius range with the illumination unit as a center of circle, and transmit the road surface illuminance to the information control unit.
Preferably, the information control unit is configured to determine a target illuminance according to the traffic flow rate compared with a preset lighting standard, and adjust the brightness of the lighting unit to make the collected road illuminance equal to the target illuminance.
Preferably, the preset radius is 1.5 times of the distance between adjacent lighting devices or 1.5 times of the effective sight distance of the driver during night driving.
Preferably, the information acquisition unit includes: the system comprises a traffic flow acquisition module and a illuminance acquisition module; wherein,
the traffic flow acquisition module is used for detecting the traffic flow of a road section within a preset radius range with the illumination unit as the center of a circle and transmitting the traffic flow to the information control unit;
the illuminance acquisition module is used for detecting the road illuminance of a road section within a preset radius range with the lighting unit as a circle center and transmitting the road illuminance to the information control unit.
Preferably, the traffic flow acquisition module is a traffic flow counter.
Preferably, the illuminance acquisition module is an illuminance sensor.
Preferably, the lighting unit comprises an LED driving circuit and an LED lamp bead.
Preferably, the lighting unit is an incandescent lamp or a low-pressure mercury lamp.
A lighting system comprising at least one lighting device as described in any of the above embodiments.
According to the technical scheme, the lighting device applied to road lighting provided by the utility model is characterized in that the information acquisition unit acquires the traffic flow within the preset radius range with the lighting unit as the circle center and transmits the traffic flow to the information control unit; the information control unit controls the brightness of the illumination unit according to the traffic flow. On the basis of ensuring the safe illumination of places with large traffic flow changes, such as squares, secondary traffic roads and the like, the function of controlling the illumination device according to the traffic flow of road sections is realized, and the purpose of saving electric energy is realized.
Correspondingly, the utility model also provides a be applied to lighting system of road lighting, by at least one lighting device constitutes, can realize according to the traffic flow control on highway section the function of lighting unit luminance is guaranteeing some great places of traffic flow change, like square, the secondary road of traffic etc. on the basis of place safety lighting, realizes the purpose of practicing thrift the electric energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lighting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a working flow of a lighting device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lighting device according to a preferred embodiment of the present invention;
fig. 4 is a schematic view of a working flow of a lighting device according to another embodiment of the present invention.
Detailed Description
As described in the background art, in the prior art, when a road lighting device is installed, the illuminance of a road surface is generally determined according to the highest lighting requirement of a road, and the required lighting brightness is achieved by changing the distance between the lighting devices or replacing the power of lamp beads of the lighting devices, so as to ensure the requirement of road safety lighting. However, the lighting is always carried out by taking the highest lighting requirement as a standard, so that the electric energy is undoubtedly greatly wasted, and the requirement of sustainable development is not met.
In view of this, the embodiment of the utility model provides a lighting device is applied to road lighting, include: the system comprises an information acquisition unit, an information control unit and an illumination unit; wherein,
the information acquisition unit is used for acquiring the traffic flow within a preset radius range with the illumination unit as the center of a circle and transmitting the traffic flow to the information control unit;
and the information control unit is used for controlling the brightness of the illumination unit according to the traffic flow.
Correspondingly, the embodiment of the utility model provides a lighting system is still provided, including at least one above-mentioned embodiment provides lighting device.
To sum up, the lighting device applied to road lighting provided by the utility model is used for collecting the traffic flow and the road surface illuminance within the preset radius range by the information collecting unit, which takes the lighting unit as the circle center, and transmitting the traffic flow and the road surface illuminance to the information control unit; the information control unit controls the brightness of the illumination unit according to the traffic flow and the road surface illuminance. On the basis of ensuring the safe illumination of places with large traffic flow changes, such as squares, secondary traffic roads and the like, the function of independently controlling the illumination device according to the traffic flow of the road sections is realized, and the purpose of saving electric energy is realized.
Correspondingly, the utility model provides a be applied to lighting system of road lighting can realize controlling alone according to the traffic flow in highway section lighting device's function is guaranteeing some great places of traffic flow change, on the basis of place safety lighting such as square, traffic secondary trunk way, realizes practicing thrift the purpose of electric energy.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An embodiment of the utility model provides a lighting device is applied to road lighting, and its structure is as shown in figure 1, include: the system comprises an information acquisition unit 010, an information control unit 020 and an illumination unit 030; wherein,
the information acquisition unit 010 is configured to acquire a traffic flow within a preset radius range with the illumination unit 030 as a center of a circle, and transmit the traffic flow to the information control unit 020.
On the basis of the above embodiment, in another embodiment of the present invention, the preset radius is 1.5 times of the distance between the adjacent lighting devices or 1.5 times of the effective viewing distance for the driver to drive at night.
It should be noted that, the preset radius may also be determined according to the performance of the information acquisition unit 010, and may also be determined according to the actual requirement of the application place of the lighting device, the utility model discloses it is right the determination mode and the length of the preset radius are not limited, and are specifically determined according to the actual situation.
It should be further noted that the traffic flow collected by the information collecting unit 010 may be the highest traffic flow of the preset radius range section with the lighting unit as the center of circle, or may be the average traffic flow of the preset radius range section with the lighting unit as the center of circle, and the utility model discloses do not limit this, specifically depend on actual conditions.
On the basis of the above embodiment, in the utility model discloses a preferred embodiment, the information acquisition unit still is used for gathering with illumination element 030 is the road surface illuminance in the predetermined radius range of centre of a circle, and sends to information control unit 020.
It should be noted that, the information acquisition unit 010 is gathered the road surface illuminance can be with the average road surface illuminance or the highest road surface illuminance of the highway section in the radius range of predetermineeing of lighting unit 030 as the centre of a circle, the utility model discloses it is right the collection mode of road surface illuminance does not do the restriction, specifically depending on actual conditions.
On the basis of the above embodiment, in another embodiment of the present invention, the information collecting unit 010 includes: the system comprises a traffic flow acquisition module and a illuminance acquisition module; wherein,
the traffic flow acquisition module is configured to detect a traffic flow of a road segment within a preset radius range with the lighting unit 030 as a center of a circle, and transmit the traffic flow to the information control unit 020;
the illuminance acquisition module is configured to detect road illuminance of a road segment within a preset radius range with the lighting unit 030 as a center of a circle, and transmit the road illuminance to the information control unit 020.
On the basis of the above embodiment, in the utility model discloses a preferred embodiment, traffic flow collection module is traffic flow statistics ware. However, the utility model discloses it is right what kind of device is not do to traffic flow collection module specifically adopts, as long as have the device of traffic flow collection statistics function all can, specifically depending on actual conditions and deciding.
On the basis of the above embodiment, in the utility model discloses a further preferred embodiment, illuminance collection module is illuminance sensor. Similarly, the utility model discloses it is right what kind of device does not do the injecion is adopted to illuminance collection module, only have the device that road surface illuminance gathered the function can, specifically decide according to actual conditions.
The information control unit 020 is configured to control the brightness of the lighting unit 030 according to the traffic flow.
On the basis of the above embodiment, in the utility model discloses an embodiment, information control unit 020 is used for the basis traffic flow inquiry predetermines the illumination standard and confirms target illuminance, and adjusts lighting unit 030's luminance makes lighting unit 030's luminance equals target illuminance.
It should be noted that, it can refer to national road lighting standard setting to predetermine the lighting standard, also can be according to the requirement setting in lighting device applied place, the utility model discloses it is right predetermine lighting standard's definite mode and do not do the restriction, specifically the view is decided to lighting device applied place's actual conditions.
It should be noted that the information control unit 020 stores the output power relationship of the lighting unit 030 corresponding to different illumination luminances, and the output power of the lighting unit 030 can be adjusted according to the target illumination luminance so as to achieve the purpose of making the luminance of the lighting unit 030 equal to the target illumination luminance. However, the present invention is not limited to the method for adjusting the brightness of the illumination unit 030 by the information control unit 020, and the output current of the illumination unit 030 can be adjusted to achieve the purpose of making the brightness of the illumination unit 030 equal to the target illuminance. As the case may be.
On the basis of the above embodiment, in the utility model discloses a preferred embodiment, information control unit 020 is used for the basis traffic flow contrast predetermines the illumination standard and confirms target illuminance, and adjusts lighting unit 030's luminance, makes the collection road surface illuminance equal to target illuminance.
It should be noted that, when there is auxiliary lighting on the road to which the lighting device is applied, such as moonlight, the road surface illuminance is equal to the sum of the auxiliary lighting illuminance and the lighting illuminance of the lighting unit 030, so that the purpose of making the collected road surface illuminance equal to the target illuminance is to further save the electric energy used by the lighting unit 030.
In combination with the above embodiments, a specific embodiment of the present invention provides a workflow of the lighting device, as shown in fig. 2:
s01: the lighting device starts to work;
s02: the information acquisition unit 010 acquires the traffic flow and the road surface illuminance of the illumination device in a radius range which is 1.5 times of the effective visual range of the driver in night driving, and transmits the traffic flow and the road surface illuminance to the information control unit 020;
s03: the information control unit 020 determines target illuminance according to the traffic flow compared with the national road lighting standard;
s04: the information control unit 020 adjusts the brightness of the lighting unit 030 according to the target illuminance;
s05: the information control unit 020 judges whether the collected road surface illuminance is equal to the target illuminance, and if so, proceeds to S06; if not, go to S04;
s06: the information control unit 020 stops adjusting the brightness of the lighting unit 030, and returns to S02.
On the basis of the above embodiments, a specific embodiment of the present invention provides a structure of the lighting device, as shown in fig. 3, including:
the system comprises a traffic flow acquisition module 011, a illuminance acquisition module 012, an information control unit 020, an LED drive circuit 031 and an LED lamp bead 032; wherein,
the LED driving circuit 031 adjusts the brightness of the LED lamp bead 032 under the control of the information control unit 020.
Accordingly, in the preferred embodiment, there is also provided a workflow of the lighting device, as shown in fig. 4:
s11: the lighting device starts to work;
s12: the traffic flow rate collection module 011 collects traffic flows in a range of a radius which is 1.5 times of the distance between adjacent lighting devices with the lighting units 030 as the center of a circle, and transmits the traffic flows to the information control unit 020;
s13: the illuminance acquisition module 012 acquires the road illuminance within a range of a radius of 1.5 times of the distance between the adjacent lighting apparatuses with the lighting unit 030 as the center of a circle, and transmits the road illuminance to the information control unit 020;
s14: the information control unit 020 queries the national road lighting standard according to the traffic flow to determine the target illuminance;
s15: the information control unit 020 sends a brightness adjustment instruction to the LED driving circuit 031 according to the target illuminance;
s16: the LED driving circuit 031 adjusts the brightness of the LED lamp bead 032 according to the brightness adjustment instruction;
s17: the information control unit 020 judges whether the collected road surface illuminance is equal to the target illuminance, and if so, proceeds to S18; if not, return to S15;
s18: the information control unit 020 stops adjusting the brightness of the lighting unit 030, and returns to S12.
On the basis of the above embodiment, in another preferred embodiment of the present invention, the response time of the LED lamp bead 032 is 0ms-50ms, excluding end point values. The response time is the time from the time when the LED driving circuit 031 sends a driving instruction to adjust the brightness of the LED lamp bead 032 to the time when the LED lamp bead 032 responds to the driving instruction. The utility model discloses it is right response time's value does not do the injecion, specifically depending on actual conditions and deciding.
On the basis of the above embodiments, in a specific embodiment of the present invention, the lighting unit 030 is an incandescent lamp or a low-pressure mercury lamp.
It should be noted that, when the lighting device according to the above embodiment works, the information control unit 020 determines whether the illuminance collected by the information collection unit 010 is equal to the target illuminance, and if so, controls the output current of the LED driving circuit 031 to the LED lamp bead 032 to be unchanged; if the road surface illuminance acquired by the information acquisition unit 010 is higher than the target illuminance, the information control unit 020 controls the LED driving circuit 031 to reduce the output current to the LED lamp bead 032; if the road surface illuminance collected by the information collection unit 010 is lower than the target illuminance, the information control unit 020 controls the LED driving circuit 031 to increase the output current to the LED bead 032, so as to achieve the purpose of controlling the illumination brightness of the illumination unit 030.
It should be noted that the specific structure of the above-mentioned lighting device is only one possible implementation manner of the lighting device, and the lighting unit 030 may also be an incandescent lamp or a low-pressure mercury lamp, when the lighting unit 030 is an incandescent lamp or a low-pressure mercury lamp, the information control unit 020 determines whether the illuminance collected by the information collection unit 010 is equal to the target illuminance, and if so, maintains the output voltage of the information control unit 020, and maintains the current passing through the lighting unit 030; if not, when the road surface illuminance acquired by the information acquisition unit 010 is higher than the target illuminance, the information control unit 020 reduces the output voltage by a preset value, and reduces the current passing through the illumination unit 030; when the road surface illuminance collected by the information collection unit 010 is lower than the target illuminance, the information control unit 020 increases the output voltage by a preset value, and increases the current passing through the lighting unit 030. The above adjustment process is repeated until the road surface illuminance acquired by the information acquisition unit 010 is equal to the target illuminance. The utility model discloses it is right the default with information control unit 020 adjusts lighting unit 030's concrete method does not restrict, specifically depends on actual conditions and decides.
As can be seen from the above description, the lighting unit 030, whether it is an LED driving circuit 031 and an LED lamp bead 032, or an incandescent lamp or a low-pressure mercury lamp, can control the brightness of the lighting unit 030 through the information control unit 020. Other bead types may be used as the lighting unit 030, and the brightness adjustment process is similar to the above description. Therefore, the utility model discloses it is right the specific lamp pearl type and the component structure that lighting unit 030 adopted do not restrict, specifically depend on actual conditions and decide.
On the basis of the above embodiment, in the utility model discloses a specific embodiment, lighting device adopts the commercial power as power supply, nevertheless lighting device can also adopt the battery as power supply. In another embodiment of the present invention, the lighting device uses a photovoltaic cell as a power supply. The utility model discloses it is right the form of the power supply that lighting device adopted does not do the injecion, specifically according to actual conditions and deciding.
Correspondingly, the utility model also provides a lighting system, including at least one above-mentioned arbitrary embodiment the lighting device.
To sum up, the lighting device applied to road lighting provided by the present invention collects the traffic flow within the preset radius range with the lighting unit as the center of circle by the information collection unit 010, and transmits the traffic flow to the information control unit 020; the information control unit 020 controls the brightness of the lighting unit 030 according to the traffic flow rate. On the basis of ensuring the safe illumination of places with large traffic flow changes, such as squares, secondary traffic roads and the like, the function of controlling the illumination device according to the traffic flow of road sections is realized, and the purpose of saving electric energy is realized.
Correspondingly, the utility model also provides a be applied to lighting system of road lighting, by at least one lighting device constitutes, can realize controlling alone according to the traffic flow on highway section lighting device's function is guaranteeing on the basis of the great place safety lighting of some traffic flow changes, such as square, the secondary road of traffic etc. the purpose of practicing thrift the electric energy is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A lighting device for road lighting, comprising: the system comprises an information acquisition unit, an information control unit and an illumination unit; wherein,
the information acquisition unit is used for acquiring the traffic flow within a preset radius range with the illumination unit as the center of a circle and transmitting the traffic flow to the information control unit;
and the information control unit is used for controlling the brightness of the illumination unit according to the traffic flow.
2. The lighting device as claimed in claim 1, wherein the information control unit is configured to determine a target illuminance according to the traffic flow query preset lighting standard, and adjust the brightness of the lighting unit so that the brightness of the lighting unit is equal to the target illuminance.
3. The illumination device as claimed in claim 1, wherein the information collecting unit is further configured to collect the illuminance of the road surface within a preset radius range around the illumination unit as a center, and transmit the illuminance to the information control unit.
4. The lighting device as claimed in claim 3, wherein the information control unit is configured to determine a target illuminance according to the traffic flow rate compared to a preset lighting standard, and adjust the brightness of the lighting unit so that the collected road surface illuminance is equal to the target illuminance.
5. A lighting device as recited in claim 1, wherein said predetermined radius is 1.5 times a distance between adjacent lighting devices or 1.5 times an effective driver's night driving line of sight.
6. The lighting device according to claim 3, wherein the information acquisition unit includes: the system comprises a traffic flow acquisition module and a illuminance acquisition module; wherein,
the traffic flow acquisition module is used for detecting the traffic flow of a road section within a preset radius range with the illumination unit as the center of a circle and transmitting the traffic flow to the information control unit;
the illuminance acquisition module is used for detecting the road illuminance of a road section within a preset radius range with the lighting unit as a circle center and transmitting the road illuminance to the information control unit.
7. The lighting device of claim 6, wherein the traffic flow collection module is a traffic flow counter.
8. The lighting device as defined in claim 6, wherein the illuminance acquisition module is an illuminance sensor.
9. The lighting device of claim 1, wherein the lighting unit comprises an LED driver circuit and an LED light bead.
10. A lighting device as recited in claim 1, wherein said lighting unit is an incandescent lamp or a low pressure mercury lamp.
11. An illumination system, characterized in that it comprises at least one illumination device according to any one of claims 1-10.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520709450.8U CN205142584U (en) | 2015-09-14 | 2015-09-14 | Lighting device and lighting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520709450.8U CN205142584U (en) | 2015-09-14 | 2015-09-14 | Lighting device and lighting system |
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| CN205142584U true CN205142584U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072784A (en) * | 2015-09-14 | 2015-11-18 | 重庆星河光电科技有限公司 | Lighting device brightness adjusting method, lighting device and lighting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072784A (en) * | 2015-09-14 | 2015-11-18 | 重庆星河光电科技有限公司 | Lighting device brightness adjusting method, lighting device and lighting system |
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Address after: 401120 Chongqing city Yubei District Lam Road No. 9 Patentee after: CHONGQING STARWAY ELECTRIC CO., LTD. Address before: 401120 Chongqing city Yubei District Lam Road No. 9 Patentee before: Chongqing Xinghe Photoelectric Technology Co., Ltd. |