CN201599775U - Passive synchronous infrared flashlight - Google Patents
Passive synchronous infrared flashlight Download PDFInfo
- Publication number
- CN201599775U CN201599775U CN2009202376108U CN200920237610U CN201599775U CN 201599775 U CN201599775 U CN 201599775U CN 2009202376108 U CN2009202376108 U CN 2009202376108U CN 200920237610 U CN200920237610 U CN 200920237610U CN 201599775 U CN201599775 U CN 201599775U
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- infrared
- light
- lamp
- inductive device
- external
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Abstract
The utility model relates to a flashlight, in particular to an external infrared flashlight. The passive synchronous infrared flashlight comprises an external flashlight plate and a light-plate control circuit which are connected with an infrared monitoring camera or VCR. The external flashlight plate is connected with a triggering infrared photosensitive sensor which faces towards an infrared light window of the camera; the infrared light of the monitoring device flashes and the emitted light can arouse the infrared photosensitive sensor to send an amplifying signal which can open a triggering control circuit of the external flashlight through a connecting wire. The passive synchronous infrared flashlight arouse the external flashlight plate through arranging the infrared photosensitive sensor at the infrared light window facing towards the infrared monitoring device, so as to lead the external flashlight plate to be triggered during shooting, thereby increasing the illuminance of the infrared light, leading the picture/video to be more clear and complete, leading the shooting distance to be more far, and leading the covering angle to be more comprehensive.
Description
Technical field
The utility model relates to a kind of flash lamp, especially a kind of external infrared flare lamp.
Background technology
Existing infrared watch-dog, as camera, video recorder etc. particularly make battery-poweredly, dispose limited infrared LED usually, because infrared LED is the main power consumption part of taking pictures night and recording a video.Limited infrared lamp causes the image illumination distance or the angle of coverage at night limited.
Summary of the invention
The mode that the utility model provides a kind of usefulness to trigger synchronously increases the illumination of infrared watch-dog, makes photo/video recording more clear, more complete, the synchronous infrared flare lamp of passive type that the distance of shooting is farther.
To achieve these goals, the utility model adopts following technical scheme:
It comprises an external flash of light lamp plate and a lamp plate control circuit that is connected with watch-dog, described external flash of light lamp plate connects one and triggers infrared light-inductive device, the infrared light-inductive device of described triggering is over against the infrared lamp window of watch-dog, watch-dog infrared lamp glittering, the infrared light that sends can excite and trigger infrared light-inductive device, provide an amplifying signal, this signal can be opened the trigger control circuit of external lamp plate by line, opens external flash of light lamp plate synchronously; The infrared lamp of watch-dog knocks out, and the triggering signal that triggers infrared light-inductive device can sharply descend, and the variation of this signal can forward the trigger control circuit of external lamp plate to, the external flash of light lamp plate of close synchronously.
Triggering infrared light-inductive device wraps in the light shield.This light shield can be adsorbed on the infrared lamp window of watch-dog.Preferably, described external flash of light lamp plate also connects the diel conversion control circuit, and described conversion control circuit round the clock is the change-over circuit of day mode and night mode, pattern by day, circuits for triggering will be closed, and the circuit of the infrared light-inductive device of the triggering of external line is cut off and is not triggered; And in night mode, this circuit is opened, and the light-inductive device of external line will be accepted the triggering of the infrared signal that infrared watch-dog sends.
Preferably, the control change-over circuit of described day mode and night mode is connected diel identification light-inductive device, by regulating the resistance relevant with this inductor, regulates brightness value, to distinguish the pattern of day and night.
Preferably, discern the light-inductive device round the clock and become suitable angle with infrared flare lamp direction, disconnected to avoid the infrared flare lamp to the erroneous judgement that the interference of discerning the light-inductive device round the clock causes.
Owing to adopted said structure, the synchronous infrared flare lamp of passive type of the present utility model is by being provided with an infrared light-inductive device at the infrared lamp window over against infrared watch-dog, camera infrared lamp glittering, the infrared light that sends can excite this infrared light-inductive device, provide an amplifying signal, this signal can be opened the trigger control circuit of external flash of light lamp plate by line, opens external flash of light lamp plate synchronously; The infrared lamp of watch-dog knocks out, and the triggering signal of infrared light-inductive device can sharply descend, and the variation of this signal can forward the trigger control circuit of external lamp plate to, the external flash of light lamp plate of close synchronously.Make and can trigger external flash of light lamp plate when needs are taken, thereby the illumination of increase infrared lamp makes photo/video recording more clear, more complete, the distance of shooting is farther.
Description of drawings
Fig. 1 is the modular structure schematic diagram of the utility model first embodiment;
Fig. 2 is the modular structure schematic diagram of the utility model second embodiment;
Fig. 3 is the structural representation of the utility model two embodiment.
The utility model purpose, function and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
As shown in figures 1 and 3, first embodiment of the present utility model comprise one with infrared watch-dog such as camera, video recorder, the external flash of light lamp plate 1 and the lamp plate trigger control circuit 2 that connect, described external flash of light lamp plate 1 connects the infrared light-inductive device 3 of triggering by lamp plate trigger control circuit 2, the infrared light-inductive device 3 of described triggering can adopt as photodiode, phototriode, devices such as photo resistance, it is over against the infrared lamp window 9 of watch-dog, watch-dog infrared lamp glittering, the infrared light that sends can excite infrared light-inductive device 3, provide an amplifying signal, this signal can be opened the trigger control circuit of external lamp plate by line, opens external flash of light lamp plate synchronously; The infrared lamp of watch-dog knocks out, and the triggering signal of infrared light-inductive device 3 can sharply descend, and the variation of this signal can forward lamp plate trigger control circuit 2 to, the external flash of light lamp plate of close synchronously.In order to make infrared light-inductive device 3 not be subjected to the interference of external light source, described infrared light-inductive device 3 wraps in 4 li of light shields.Light shield 4 is adsorbed on the infrared lamp window of watch-dog.
From above trigger theory as can be seen, the triggering of this external lamp plate is decided by the infrared light-inductive device of external line termination, and this inductor can be triggered by any infrared ray.This just causes the possibility of the external lamp plate of infrared ray false triggering of the infrared ray of outdoor sunlight and indoor fluorescent lamp.For fear of this situation, based on first embodiment second embodiment is proposed further, as shown in Figure 2, in a second embodiment, described external flash of light lamp plate 1 also connects diel control circuit 5 and discerns light-inductive device 6 round the clock, the described light-inductive device of discerning round the clock can adopt as photodiode, phototriode, devices such as photo resistance, described control circuit round the clock 5 is the change-over circuit of day mode and night mode, pattern by day, trigger control circuit will be closed, and the circuit of the infrared light-inductive device of described triggering is cut off and is not triggered; And in night mode, this circuit is opened, and the infrared light-inductive device of described triggering is accepted the triggering of the infrared signal that infrared watch-dog sends.
In the present embodiment, the described light-inductive device 6 of discerning round the clock by regulating relative resistance, is regulated brightness value, to distinguish the pattern of day and night.
Consider if this described discern round the clock light-inductive device and infrared lamp towards consistent, the identification confusion that causes, promptly under night mode, infrared lamp is triggered, the infrared ray that sends is discerned the light-inductive device round the clock and is detected, and think by mistake and be transformed into day mode, again the circuits for triggering of infrared lamp plate are closed.Discern round the clock the light-inductive device towards being placed on a suitable direction, as with infrared lamp towards becoming vertical up and down, or the back side.Like this with regard to effective this problem that solved.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. synchronous infrared flare lamp of passive type, it is characterized in that: it comprises an external flash of light lamp plate and a lamp plate control circuit that is connected with infrared monitoring camera or video recorder, described external flash of light lamp plate connects one and triggers infrared light-inductive device, the infrared lamp window of described infrared light-inductive device straight-on camera, the infrared lamp of watch-dog is glittering, the infrared light that sends can excite infrared light-inductive device, provide an amplifying signal, this signal can be opened the trigger control circuit of external lamp plate by line, opens external flash of light lamp plate synchronously; The infrared lamp of camera knocks out, and the triggering signal that triggers infrared light-inductive device can sharply descend, and the variation of this signal can forward the trigger control circuit of external lamp plate to, the external flash of light lamp plate of close synchronously.
2. the synchronous infrared flare lamp of passive type as claimed in claim 1 is characterized in that: described light-inductive device wraps in the light shield, and light shield can be adsorbed on the infrared lamp window of watch-dog.
3. the synchronous infrared flare lamp of passive type as claimed in claim 1 or 2, it is characterized in that: described external flash of light lamp plate also connects the diel conversion control circuit, described control circuit round the clock is the change-over circuit of day mode and night mode, pattern by day, trigger control circuit will be closed, and the circuit of the infrared light-inductive device of the triggering of external line is cut off and is not triggered; And in night mode, this circuit is opened, and the infrared light-inductive device of the triggering of external line will be accepted the triggering of the infrared signal that infrared watch-dog sends.
4. the synchronous infrared flare lamp of passive type as claimed in claim 3, it is characterized in that: the change-over circuit of described day mode and night mode is connected diel identification light-inductive device, by regulating the resistance relevant, regulate brightness value, to distinguish the pattern of day and night with this inductor.
5. the synchronous infrared flare lamp of passive type as claimed in claim 4 is characterized in that: discerns the light-inductive device round the clock and becomes suitable angle with infrared flare lamp direction, and disconnected to avoid the infrared flare lamp to the erroneous judgement that the interference of discerning the light-inductive device round the clock causes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202376108U CN201599775U (en) | 2009-10-21 | 2009-10-21 | Passive synchronous infrared flashlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202376108U CN201599775U (en) | 2009-10-21 | 2009-10-21 | Passive synchronous infrared flashlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599775U true CN201599775U (en) | 2010-10-06 |
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ID=42810830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202376108U Expired - Fee Related CN201599775U (en) | 2009-10-21 | 2009-10-21 | Passive synchronous infrared flashlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11651601B1 (en) * | 2022-01-26 | 2023-05-16 | Conduent Business Services, Llc | Automatic license plate recognition camera for traffic enforcement |
-
2009
- 2009-10-21 CN CN2009202376108U patent/CN201599775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11651601B1 (en) * | 2022-01-26 | 2023-05-16 | Conduent Business Services, Llc | Automatic license plate recognition camera for traffic enforcement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20131021 |