CN203708608U - Light-operated flash lamp for road traffic monitoring system - Google Patents
Light-operated flash lamp for road traffic monitoring system Download PDFInfo
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- CN203708608U CN203708608U CN201420103773.8U CN201420103773U CN203708608U CN 203708608 U CN203708608 U CN 203708608U CN 201420103773 U CN201420103773 U CN 201420103773U CN 203708608 U CN203708608 U CN 203708608U
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- controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a light-operated flash lamp for a road traffic monitoring system. The light-operated flash lamp comprises a voltage adjusting circuit, a filtering circuit, an energy storage capacitor, a light fixture load, a control circuit and a power source. The light-operated flash lamp is characterized in that the control circuit is internally provided with a controller, a photosensitive resistor and a drive circuit; the optical signal input end of the controller and the signal output end of the photosensitive resistor are connected; the signal output end of the controller and the signal input end of the drive circuit are connected; and the signal output end of the drive circuit and the signal input end of the voltage adjusting circuit are connected. According to the utility model, the intensity of the flash lamp can be automatically adjusted according to the change of environment light, the problem of backlit shooting is solved, and at the same time, the stimulation to human eyes is reduced.
Description
Technical field
The utility model relates to a kind of photoflash lamp of road traffic monitoring system, particularly a kind of light-operated photoflash lamp of road traffic monitoring system.
Background technology
At present, in road traffic bayonet system, high speed camera generally adopts xenon flash lamp.But in application, because the locality of high speed camera may be in backlight state, if photoflash lamp still according to normal intensity light filling, in driver's cabin, personage just cannot take clear.
On the other hand, in the period at night, surround lighting is very faint, if flash light intensity is still identical with the intensity of period on daytime, although car plate and drive in personage can take clearly, the light of this intensity can be very dazzling.Therefore, a kind of light-operated photoflash lamp of road traffic monitoring system need to be provided.
Summary of the invention
The purpose of this utility model is to provide a kind of light-operated photoflash lamp of road traffic monitoring system, and this light-operated photoflash lamp can regulate flash light intensity automatically according to the variation of surround lighting, has solved the drawback of reversible-light shooting, reduces the stimulation to human eye simultaneously.
The purpose of this utility model is realized by following technical proposals: a kind of light-operated photoflash lamp of road traffic monitoring system, comprise regulating circuit, filter circuit, storage capacitor, lamp load, control circuit, power supply, in described control circuit, be provided with controller, photo resistance, drive circuit, the light signal input of described controller is connected with the signal output part of described photo resistance, and the signal output part of described controller is connected with the signal input part of described drive circuit; The signal output part of described drive circuit is connected with the signal input part of described regulating circuit.
The utility model compared with prior art tool has the following advantages:
Light-operated photoflash lamp of the present utility model changes by photo resistance monitoring of environmental light, and is converted into light intensity signal, by controller, this light intensity signal is processed, and obtains corresponding pulse signal; Pulse signal is sent to drive circuit by controller, by drive circuit control regulating circuit, realizes and automatically regulate flash light intensity according to the variation of surround lighting, solved the drawback of reversible-light shooting, reduces the stimulation to human eye simultaneously.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of embodiment mono-;
Fig. 2 is the circuit block diagram of embodiment bis-.
Embodiment
Embodiment mono-
Referring to Fig. 1, a kind of light-operated photoflash lamp of road traffic monitoring system, comprise regulating circuit 1, filter circuit 2, storage capacitor 3, lamp load 4, control circuit 5, power supply, in described control circuit, be provided with controller 6, photo resistance 7, drive circuit 8, the light signal input of described controller is connected with the signal output part of described photo resistance, and the signal output part of described controller is connected with the signal input part of described drive circuit; The signal output part of described drive circuit is connected with the signal input part of described regulating circuit.
In the present embodiment, described regulating circuit 1, filter circuit 2, storage capacitor 3 adopt custom circuit and components and parts, and lamp load 4 is xenon flash lamp, and foregoing has formed the main circuit of light-operated photoflash lamp.
In the present embodiment, described controller 6 is selected the controller of the Atmega88-10AU model of U.S. Ai Te Mel (Atmel) company.Described photo resistance 7 adopts the PGM CDS photo-resistor of TOKEN brand, and model is PGM2005-PP.Photo resistance actual measurement environment light intensity, surround lighting is stronger, and the resistance of photo resistance is less; In the present embodiment, if the resistance of photo resistance is less than 10 kilo-ohms, export the high light signal of telecommunication; If the resistance of photo resistance is greater than 10 kilo-ohms, export the low light level signal of telecommunication.
In the present embodiment, the AC power of 220V for power acquisition, is divided into duplex feeding, and a road powers to control circuit, and the power supply of the main circuit except control circuit is given on another road.
In the present embodiment, the photo resistance output high light signal of telecommunication, control circuit control regulating circuit boosts, and improves flash light intensity; The photo resistance output low light level signal of telecommunication, the step-down of control circuit control regulating circuit, reduces flash light intensity.
In the present embodiment, first by the strength signal of photo resistance 7 real-time ambient light, then convert the high light signal of telecommunication or the low light level signal of telecommunication to, and send to controller 6.Light-operated photoflash lamp is mainly made up of main circuit and control circuit 5.By controller, this light intensity signal is processed, obtained corresponding pulse signal; Pulse signal is sent to drive circuit by controller, controls regulating circuit 1 by drive circuit 8, realizes and automatically regulate flash light intensity according to the variation of surround lighting, solved the drawback of reversible-light shooting, reduces the stimulation to human eye simultaneously.
Referring to Fig. 1; in the present embodiment; further; in described control circuit, be also provided with temperature protector 9; the signal input part of described temperature protector is connected with the signal output part of described lamp load 4, and the signal output part of described temperature protector is connected with the current signal input of described controller 6.Temperature protector in the present embodiment adopts thermistor.Temperature protector is used for monitoring lamp load 4 discharging currents, and current information is offered to controller, by the dormancy of controller control light fixture, guarantees the normal work of photoflash lamp.
In the present embodiment, further, described power supply is connected with described regulating circuit 1 by voltage doubling rectifing circuit 10.Voltage doubling rectifing circuit is for converting higher direct voltage output to lower alternating voltage.
In the present embodiment, further, in described control circuit, be provided with constant voltage dc source 11.
Embodiment bis-
The present embodiment is the improvement of carrying out on embodiment mono-basis, and in embodiment mono-, disclosed content also should be served as the content of the present embodiment, in the present embodiment, is not repeated in this description.
Referring to Fig. 2, in the present embodiment, in described control circuit 5, be also provided with voltage detecting circuit 12, the signal input part of described voltage detecting circuit is connected with the signal output part of described filter circuit 2, and the signal output part of described voltage detecting circuit is connected with the voltage signal input of described controller 6.
In the present embodiment, the magnitude of voltage that voltage detecting circuit 12 is exported for monitoring filter circuit 2, the normal need of work of assurance storage capacitor 3.The operating voltage of storage capacitor is at 0～1000V.The magnitude of voltage recording is offered controller 6 by voltage detecting circuit, and controller is controlled regulating circuit 1 by drive circuit 8, realizes the function of voltage stabilizing.
In the present embodiment, further, described power supply is connected with described regulating circuit 1 by voltage doubling rectifing circuit 10.Voltage doubling rectifing circuit is for converting higher direct voltage output to lower alternating voltage.
In the present embodiment, further, in described control circuit, be provided with constant voltage dc source 11.
The content description of above embodiment basic principle of the present utility model and embodiment preferably; those skilled in the art should understand; protection range of the present utility model is not limited to this; do not departing under the prerequisite of the utility model spirit and scope; the utility model can also have various changes and modifications, within this changes and improvements all should be encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the content of claims.
Claims (5)
1. the light-operated photoflash lamp of a road traffic monitoring system, comprise regulating circuit, filter circuit, storage capacitor, lamp load, control circuit, power supply, it is characterized in that: in described control circuit, be provided with controller, photo resistance, drive circuit, the light signal input of described controller is connected with the signal output part of described photo resistance, and the signal output part of described controller is connected with the signal input part of described drive circuit; The signal output part of described drive circuit is connected with the signal input part of described regulating circuit.
2. light-operated photoflash lamp according to claim 1; it is characterized in that: in described control circuit, be also provided with temperature protector; the signal input part of described temperature protector is connected with the signal output part of described lamp load, and the signal output part of described temperature protector is connected with the current signal input of described controller.
3. light-operated photoflash lamp according to claim 1 and 2, it is characterized in that: in described control circuit, be also provided with voltage detecting circuit, the signal input part of described voltage detecting circuit is connected with the signal output part of described filter circuit, and the signal output part of described voltage detecting circuit is connected with the voltage signal input of described controller.
4. light-operated photoflash lamp according to claim 3, is characterized in that: described power supply is connected with described regulating circuit by voltage doubling rectifing circuit.
5. light-operated photoflash lamp according to claim 4, is characterized in that: in described control circuit, be provided with constant voltage dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103773.8U CN203708608U (en) | 2014-03-07 | 2014-03-07 | Light-operated flash lamp for road traffic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103773.8U CN203708608U (en) | 2014-03-07 | 2014-03-07 | Light-operated flash lamp for road traffic monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708608U true CN203708608U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420103773.8U Expired - Fee Related CN203708608U (en) | 2014-03-07 | 2014-03-07 | Light-operated flash lamp for road traffic monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375228A (en) * | 2019-07-02 | 2019-10-25 | 深圳大学 | Weaken the lighting system of flash lamp visual impact effect |
-
2014
- 2014-03-07 CN CN201420103773.8U patent/CN203708608U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375228A (en) * | 2019-07-02 | 2019-10-25 | 深圳大学 | Weaken the lighting system of flash lamp visual impact effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |