CN212624398U - LED light source fan-shaped light beam lighting device and vehicle detection system - Google Patents
LED light source fan-shaped light beam lighting device and vehicle detection system Download PDFInfo
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- CN212624398U CN212624398U CN202021438742.XU CN202021438742U CN212624398U CN 212624398 U CN212624398 U CN 212624398U CN 202021438742 U CN202021438742 U CN 202021438742U CN 212624398 U CN212624398 U CN 212624398U
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- 238000001514 detection method Methods 0.000 title claims abstract description 8
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- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 16
- 238000012544 monitoring process Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 5
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000504 luminescence detection Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a fan-shaped light beam lighting device of LED light source and vehicle detection system, including light source, lens and cylindrical mirror array; the lens and the cylindrical mirror array are sequentially arranged on an emergent light path of the light source, the emergent light of the light source is converted into parallel light beams through the lens, the parallel light beams are converted into horizontal fan-shaped light beams through the cylindrical mirror array to be emitted out, light beams with wide horizontal direction and narrow vertical direction are formed, and light energy irradiated to a cooperative target is distributed in a horizontal strip shape, so that the light energy is concentrated and the illumination is uniform.
Description
Technical Field
The utility model relates to a road monitoring and energy-conserving field specifically are fan-shaped light beam lighting device of LED light source.
Background
The tunnel is the key and difficult point of highway operation management, and is also the main force army of power consumption simultaneously, and 85% of highway operation energy resource consumption takes place in the tunnel, effectively reduces the power consumption in tunnel, has just also solved the extravagant problem of highway's electric power to a great extent.
The method comprises the steps that a set of vehicle detection system is arranged at the entrance of a tunnel, statistics is carried out on the number of vehicles entering the tunnel, and then the illumination system of the tunnel is regulated and controlled in real time through vehicle density, so that the aim of reducing power consumption of the tunnel is fulfilled; the vehicle detection system is characterized in that a light source is arranged on one side of a tunnel entrance, a light beam is sent to the other end of a road, the number of times of light speed interruption caused by the fact that the light beam is collected to pass through the vehicle reaches the purpose of counting the number of passing vehicles, but the light beam emitted by a common light source is a conical light beam, is not uniform in divergence illumination and is not suitable for the scene.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a fan-shaped light beam lighting device of LED light source has solved the light beam of ordinary light source transmission and is the inhomogeneous problem of form illuminance of diverging for the conical beam.
The utility model discloses a realize through following technical scheme:
a fan-shaped light beam lighting device with an LED light source comprises a light source, a lens and a cylindrical mirror array;
the lens and the cylindrical mirror array are sequentially arranged on an emergent light path of the light source, the emergent light of the light source is converted into parallel light beams through the lens, and the parallel light beams are converted into horizontal fan-shaped light beams through the cylindrical mirror array to be emitted.
Preferably, the light source is an LED lamp set, and the LED lamp set includes a plurality of LED lamps connected in series.
Preferably, the LED lamp group is formed by connecting a plurality of LED lamps in series.
Preferably, the light source is two groups of LED lamp groups arranged redundantly.
Preferably, the lens is a screw lens.
Preferably, the light source is arranged on the aluminum substrate, and the heat sink is arranged on the other side of the substrate.
A vehicle detection system adopts an LED light source fan-shaped light beam lighting device.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a pair of fan-shaped light beam lighting device of LED light source adopts the LED lamp as the light emitting source, the original angle circular cone beam of transmission, circular cone beam assembles the back through lens, the back converts parallel light beam into, parallel light beam expands to the horizontal direction after cylindrical mirror array, convert horizontal fan-shaped light beam into and jet out, it is wide to form the horizontal direction, the narrow light beam of vertical direction, the light energy that shines the cooperation target distributes for horizontal strip, it is even to make the light energy concentrate illuminance, adopt the LED lamp as the light source simultaneously, the power consumption of light source has been reduced.
Drawings
Fig. 1 is a block diagram of the LED lighting fan system of the present invention;
fig. 2 is a schematic diagram of the lighting device of the present invention;
fig. 3 is a circuit diagram of an LED of the present invention;
fig. 4 is a circuit diagram of the control circuit of the present invention;
fig. 5 is a circuit diagram of the driving circuit of the present invention;
FIG. 6 is a circuit diagram of the optoelectronic isolation of the present invention;
FIG. 7 is a circuit diagram of the isolated power supply of the present invention;
fig. 8 is a circuit diagram of a communication unit according to the present invention;
fig. 9 is a circuit diagram of the luminescence detection unit of the present invention;
fig. 10 is a circuit diagram of the switching circuit of the present invention.
In the figure: 1. a heat sink; 2. an aluminum substrate; 3. an LED lamp group; 4. a threaded lens; 5. a cylindrical mirror array.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
Referring to fig. 2, the LED light source fan-shaped light beam lighting device includes an LED lamp set 3, a heat sink 1 and an optical system, where the LED lamp set 3 is disposed on an aluminum substrate 2, and the heat sink 1 is connected to the heat sink 1.
The optical system comprises a lens and a cylindrical mirror array 5, the lens and the cylindrical mirror array 5 are sequentially arranged on a light path of the LED lamp group 3, the LED lamp emits approximately axisymmetric light beams, the light beams pass through the lens and are changed into parallel light beams, the parallel light beams pass through the cylindrical mirror array 5 and are changed into horizontal fan-shaped light beams, and the vertical direction of the light beams is not changed.
The LED lamp group 3 is formed by connecting a plurality of LED lamps in series, the wavelength of the LED lamps is 940nm, and the working voltage of the LED lamps is 1.3-1.6V, preferably 1.5V.
The number of the plurality of LED lamps is preferably 5.
The LED lamp is 3535 bulb infrared emission lamp.
The lens is a screw lens 4, preferably a fresnel lens, with an area of 100x70mm and a focal length of 50 mm.
The area of the cylindrical mirror array 5 is 100X70mm, and the thickness is about 0.5mm, 75 lines/inch.
The radiator is made of aluminum alloy materials, and the size of the radiator is 100X70X50 mm.
The LED lamp group adopts a redundant design, and after one group is damaged, the other group illuminates, so that the illumination effectiveness is ensured.
The utility model provides a pair of fan-shaped light beam lighting device of LED light source, adopt the LED lamp as the light emitting source, the original angle circular cone beam of transmission, circular cone beam assembles the back through lens, the back converts parallel beam into, parallel beam expands to the horizontal direction after cylindrical mirror array, convert horizontal fan-shaped light beam into and jet out, it is wide to form the horizontal direction, the narrow light beam of vertical direction, the light energy that shines the cooperation target is horizontal strip distribution, it is about 20 meters to illuminate the road opposite face length, the cooperation target of about 0.2 meters high, it is even to make the light energy concentrate illuminance, adopt the LED lamp as the light source simultaneously, the power consumption of light source has been reduced.
Meanwhile, the LED lamp is cooled by the radiator, so that the service life of the LED lamp is prolonged.
Referring to fig. 1-10, an LED light source fan beam lighting system includes a control system and the lighting device, wherein the control system is used for detecting and controlling the working state of the lighting device.
The control system comprises an LED power supply, a working power supply, a photoelectric isolation communication driving circuit, a communication unit and a monitoring unit.
The LED power is used for providing electric power for the LED lamp, and working power supply is used for providing electric power for communication unit and monitoring unit, and communication unit and host computer are connected, and communication unit and monitoring unit interact, and monitoring unit is connected with LED banks 3.
Referring to fig. 4, the LED power supply is used for supplying power to the LED lamp group 3, and includes a bridge rectifier, a filter circuit and a DCDC voltage-reducing module K1, the AC12V is bridge rectified and filtered, and is supplied to the DCDC voltage-reducing module K1, and a DC voltage of DC8V is output, and the current driving capability of the power supply is greater than 1.5A.
The circuit working power supply is used for supplying power to the communication unit and the monitoring unit, the structure of the circuit working power supply is the same as that of an LED power supply, AC12V is subjected to bridge rectification and filtering and is supplied to the DCDC module K2, and DC5V is output to be used by the communication unit and the monitoring unit.
Referring to fig. 5-8, the communication unit is a single chip microcomputer, a communication pin of the communication unit is connected with an external wiring terminal through photoelectric isolation and TTL-RS485 specification conversion, an isolation power supply is processed by a DC-DC isolation conversion module, an 8-bit DIP dial switch sets a 485 bus address code of the communication unit, and a circuit of the communication unit adopts an existing design circuit.
The MCU model of the communication unit is STC15W4K32S 4.
Referring to fig. 3, the LED lamp groups are AB two groups, each group has 5 LED lamps connected in series, and the operating voltage of each LED lamp is 1.5V.
Referring to fig. 9 and 10, the monitoring unit passes through the switching circuit and is connected with the LED banks, the monitoring unit is used for monitoring the operating condition of LED lamp, R16 is LED current sampling resistor, gather LED operating current through sampling resistor R16, gather the scattered light intensity in the lamp house through photodiode simultaneously, the normally closed contact of relay is closed during normal work, the voltage drop of sampling resistor R16 is about 0.3V, the A group LED banks is luminous after the start, if light intensity is unusual or the electric current is unusual, the monitoring unit sends control signal, the normally open contact of relay is closed, make the relay switch to the B group LED banks luminous, and simultaneously, fault signal sends communication unit to, communication unit sends alarm signal to the host computer. In order to improve the reliability, the monitoring MCU adopts a redundancy design, and two sets of isomorphic circuits respectively work independently.
A vehicle detection system uses the LED light source fan-shaped light beam lighting device to inspect a vehicle, is arranged on one side of a road, and emits a horizontal fan-shaped light beam to the other side of the road.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
1. An LED light source fan-shaped light beam lighting device is characterized by comprising a light source, a lens and a cylindrical mirror array (5);
the lens and the cylindrical mirror array (5) are sequentially arranged on an emergent light path of the light source, the emergent light of the light source is converted into parallel light beams through the lens, and the parallel light beams are converted into horizontal fan-shaped light beams through the cylindrical mirror array (5) to be emitted.
2. The LED light source fan beam lighting device according to claim 1, wherein the light source is an LED lamp set (3) comprising a plurality of LED lamps connected in series.
3. The LED light source fan beam lighting device of claim 2, wherein said LED lamp set is composed of a plurality of LED lamps connected in series.
4. The LED light source fan beam lighting device of claim 1 or 2, wherein said light source is two redundant LED lamp sets.
5. An LED light source fan beam lighting device as claimed in claim 1, wherein said lens is a screw-thread lens (4).
6. An LED light source fan beam lighting device as claimed in claim 1, wherein said light source is arranged on an aluminum substrate (2) and a heat sink is arranged on the other side of the substrate.
7. A vehicle detection system, characterized in that the LED light source fan beam illumination device of any one of claims 1 to 6 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021438742.XU CN212624398U (en) | 2020-07-20 | 2020-07-20 | LED light source fan-shaped light beam lighting device and vehicle detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021438742.XU CN212624398U (en) | 2020-07-20 | 2020-07-20 | LED light source fan-shaped light beam lighting device and vehicle detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212624398U true CN212624398U (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021438742.XU Expired - Fee Related CN212624398U (en) | 2020-07-20 | 2020-07-20 | LED light source fan-shaped light beam lighting device and vehicle detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212624398U (en) |
-
2020
- 2020-07-20 CN CN202021438742.XU patent/CN212624398U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |