CN204334741U - The light control device of image capturing mechanism - Google Patents
The light control device of image capturing mechanism Download PDFInfo
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- CN204334741U CN204334741U CN201420675724.1U CN201420675724U CN204334741U CN 204334741 U CN204334741 U CN 204334741U CN 201420675724 U CN201420675724 U CN 201420675724U CN 204334741 U CN204334741 U CN 204334741U
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Abstract
The utility model discloses a kind of light control device of image capturing mechanism, comprise an image capturing mechanism, the light source control mechanism be connected with image capturing mechanism can identification image capturing mechanism medium frequency be the image signal of 15Hz ~ 60Hz, the pulse wave controlling organization be connected with light source control mechanism, in order to receive the identification of light source control mechanism complete after signal, and produce a pulse signal, the lighting means be connected with pulse wave controlling organization, in order to receive the pulse signal that pulse wave controlling organization produces, and using the foundation of this signal as luminescence, pass through the utility model, can when lighting means provides image capturing mechanism to carry out floor light, utilize light source control mechanism and pulse wave controlling organization to adjust according to the illumination change of image capturing mechanism place environment and control the lighting demand of lighting means, lighting means is allowed to play best using state with suitable energy ezpenditure, thus make lighting means reach low power consumption, high stability and the effect increased the service life.
Description
Technical field
The utility model relates to a kind of light control device of image capturing mechanism, espespecially a kind ofly can adjust according to the illumination change of image capturing mechanism place environment and control the lighting demand of lighting means, allow lighting means play best using state with suitable energy ezpenditure, thus make the light control device of the image capturing mechanism of effect that lighting means reaches low power consumption, high stability and increases the service life.
Background technology
No. 378332nd, TaiWan, China new patent discloses one " infrared lighting equipment ", this infrared lighting equipment is made up of a light-emitting device, a switch element, a synchronous signal capturing module, a signal correcting module, a driver module, power transfer module, AC power and infrared camera, wherein this switch element is coupled to this light-emitting device, can control the loop conducting of these infrared light-emitting diodes; This sync signal acquisition module is coupled to this infrared camera, can receive a raw video signal, and the vertical synchronization capturing this raw video signal exports; This signal correcting module is coupled to this sync signal acquisition module, can receive this vertical synchronizing signal and revise, and synchronously drives signal to export one; Driver module is coupled to this signal correcting module, can receive this and synchronously drive signal to amplify, and to drive the opening and closing of this switch element, and then controls these infrared light-emitting diodes and flickers, produce an infrared illumination light source.
But for above-mentioned infrared lighting equipment, when it carries out Power convert work, the situation that voltage usually all can be had to wave occurs, and if this light-emitting device is that operating current also will produce and wave to determine voltage collocation switch module; In addition, because this infrared lighting equipment also cannot according to the illumination change of line video camera place environment, the lighting demand of adjustment luminescence component, therefore, luminescence component not only cannot be made to play best using state, more can and to make luminescence component produce high energy dissipating, stability low and reduce the shortcoming in useful life.
Therefore, a kind of technological means of practical necessary proposition, to overcome the shortcoming of prior art.
Utility model content
For solving above-mentioned prior art weak point, the utility model main purpose is the light control device providing a kind of image capturing mechanism, can when lighting means provides image capturing mechanism to carry out floor light, utilize light source control mechanism and pulse wave controlling organization to adjust according to the illumination change of image capturing mechanism place environment and control the lighting demand of lighting means, allow lighting means play best using state with suitable energy ezpenditure, thus make effect that lighting means reaches low power consumption, high stability and increases the service life.
For reaching above-mentioned purpose, the utility model provides a kind of light control device of image capturing mechanism, includes: an image capturing mechanism; The one light source control mechanism be connected with image capturing mechanism can identification image capturing mechanism medium frequency be the image signal of 15Hz ~ 60Hz; The one pulse wave controlling organization be connected with light source control mechanism, in order to receive the identification of light source control mechanism complete after signal, and produce a pulse signal; And the lighting means that is connected with pulse wave controlling organization, in order to receive the pulse signal that pulse wave controlling organization produces, and using the foundation of this signal as luminescence.
In the utility model one embodiment, the ambient brightness detector that this image capturing mechanism includes a camera unit, a connection camera unit is connected light source control mechanism with the figure field signal process boundary element and of light source control mechanism.
In the utility model one embodiment, the photography signal frequencies identification unit that this light source control mechanism includes the brightness control unit of a JA(junction ambient) luminance detection device and pulse wave controlling organization, the NTSC/PAL identification unit of a connection layout field signal process boundary element, a connection layout field signal process boundary element are connected signal integer processing unit of photographing with the photography signal integer processing unit and of NTSC/PAL identification unit.
In the utility model one embodiment, this NTSC/PAL identification unit can identification frequency be the image signal of 50Hz ~ 60Hz.
In the utility model one embodiment, this photography signal integer processing unit can identification frequency be the image signal of 15Hz ~ 60Hz.
In the utility model one embodiment, the pulse wave frequency setting unit, that this pulse wave controlling organization includes a connection photography signal frequencies identification unit connects the pulse wave output current driver element that brightness control unit is connected pulse wave signal generator pulse bandwidth adjustment unit and with the pulse wave signal generator, of pulse wave frequency setting unit connects pulse bandwidth adjustment unit.
In the utility model one embodiment, this lighting means includes the Current amplifier driver element of a connection pulse wave output current driver element and the light-emitting diode of multiple connection Current amplifier driver element.
Compared with prior art, the light control device of a kind of image capturing mechanism of the utility model can when lighting means provides image capturing mechanism to carry out floor light, utilize light source control mechanism and pulse wave controlling organization according to the illumination change of image capturing mechanism place environment, and adjust and control the lighting demand of lighting means, allow lighting means play best using state with suitable energy ezpenditure, thus make effect that lighting means reaches low power consumption, high stability and increases the service life.
Accompanying drawing explanation
Fig. 1 is basic framework schematic diagram of the present utility model;
Fig. 2 is pulse wave output timing schematic diagram of the present utility model.
Embodiment
Fig. 1, Fig. 2 are respectively basic framework schematic diagram of the present utility model, pulse wave output timing schematic diagram of the present utility model.Refer to shown in Fig. 1, Fig. 2, the light control device of a kind of image capturing mechanism of the utility model, at least include image capturing mechanism 1, light source control mechanism 2, pulse wave controlling organization 3 and a lighting means 4.
Wherein, image capturing mechanism 1 includes a camera unit 11, and connects the figure field signal process boundary element 12 of camera unit 11 and the ambient brightness detector 13 of a connection light source control mechanism 2.
This light source control mechanism 2 can identification image capturing mechanism 1 medium frequency be the image signal of 15Hz ~ 60Hz, and this light source control mechanism 2 includes the brightness control unit 21 of a JA(junction ambient) luminance detection device 13, the NTSC/PAL identification unit 22 of one connection layout field signal process boundary element 12, the photography signal integer processing unit 23 of one connection layout field signal process boundary element 21 and NTSC/PAL identification unit 22 and one is connected the photography signal frequencies identification unit 24 of signal integer processing unit 23 of photographing, wherein this NTSC/PAL identification unit 22 can identification frequency be the image signal of 50Hz ~ 60Hz, and this photography signal integer processing unit 23 can identification frequency be the image signal of 15Hz ~ 60Hz.
This pulse wave controlling organization 3 is in order to the signal after receiving light source control mechanism 2 identification and completing, and produce a pulse signal, and the pulse wave frequency setting unit 31, that this pulse wave controlling organization 3 includes a connection photography signal frequencies identification unit 24 connects the pulse wave output current driver element 34 that brightness control unit 21 is connected pulse wave signal generator 32 pulse bandwidth adjustment unit 33 and with the pulse wave signal generator 32, of pulse wave frequency setting unit 31 connects pulse bandwidth adjustment unit 33.
The pulse signal that this lighting means 4 produces in order to receive pulse wave controlling organization 3, and according to the foundation of this signal as luminescence, and this lighting means 4 includes the Current amplifier driver element 41 of a connection pulse wave output current driver element 34 and the light-emitting diode 42 of multiple connection Current amplifier driver element 41.
When the utility model is in time using, the illumination change at this camera unit 11 place is detected with ambient brightness detector 13, if ambient brightness detector 13 detect place ambient brightness enough time just do not start, if when detecting place ambient light illumination deficiency, start, and by this signal transmission to brightness control unit 21, now this camera unit 11 is just simultaneously to scheme the original signal that field signal process boundary element 12 obtains image, and by the original signal transmission of this image to NTSC/PAL identification unit 22 and photography signal integer processing unit 23, and then according to the difference in signal source respectively by NTSC/PAL identification unit 22 or photography signal integer processing unit 23 to scheme the field duration for benchmark, pick out field repetition rate, and automatically isolate relevant figure field signal (a part as Fig. 2), and with its frequency of signal frequencies identification unit 24 automatic Identification of photographing for 50Hz or 60Hz, real frequency is obtained after identification completes, and carry out required correction by the wave mode of pulse wave frequency setting unit 31 to this frequency, transfer to pulse wave signal generator 32 more afterwards, this pulse wave signal generator 32 is started after reception environment luminance detection device 13 and the signal of pulse wave frequency setting unit 31 simultaneously, when field repetition rate is in more than 30Hz, this pulse wave signal generator 32 coordinates pulse bandwidth adjustment unit 33, after the falling edge in each figure field signal cycle front 0.8 millisecond and falling edge 0.4 millisecond, amount to the time interior pulse signal (the b part as Fig. 2) producing 1.2 milliseconds of 1.2 milliseconds, and this pulse signal just can be output to the Current amplifier driver element 41 of lighting means 4 by pulse wave output current driver element 34, and then light each light-emitting diode 42, separately, when field repetition rate is in below 30Hz (the c part as Fig. 2), this pulse wave signal generator 32 can automatic frequency-conversion, thus pulse bandwidth adjustment unit 33 is coordinated to produce the frequency conversion Wave-wide regulation controlled electric signal that is benchmark with original graph field signal phase place, and make this frequency conversion Wave-wide regulation controlled electric signal, be output to the Current amplifier driver element 41 of lighting means 4 by pulse wave output current driver element 34, and then light each light-emitting diode 42.
In sum, the light control device of a kind of image capturing mechanism of the utility model effectively can improve the various shortcoming of prior art, can when lighting means provides image capturing mechanism to carry out floor light, utilize light source control mechanism and pulse wave controlling organization according to the illumination change of image capturing mechanism place environment, and adjust and control the lighting demand of lighting means, lighting means is allowed to play best using state with suitable energy ezpenditure, thus make lighting means reach low power consumption, high stability and the effect increased the service life, and then make generation of the present utility model can be more progressive, more practical, more meet the demand that consumer uses.
The above embodiment is only and technological thought of the present utility model and feature is described, its object understands content of the present utility model implementing according to this enabling person skilled in the art, and be not used to limit the scope of the claims of the present utility model, namely the equalization that every spirit disclosed according to the utility model is done changes or modifies, and must be encompassed in the scope of the claims of the present utility model.
Claims (7)
1. a light control device for image capturing mechanism, connect electronic still camera and use, this light control device includes:
One image capturing mechanism;
One light source control mechanism, is connected with this image capturing mechanism, can this image capturing mechanism medium frequency of identification be the image signal of 15Hz ~ 60Hz;
One pulse wave controlling organization, is connected with this light source control mechanism, in order to receive this light source control mechanism identification complete after signal, and produce a pulse signal; And
One lighting means, is connected with this pulse wave controlling organization, in order to receive the pulse signal that this pulse wave controlling organization produces, and according to the foundation of this signal as luminescence.
2. the light control device of image capturing mechanism as claimed in claim 1, is characterized in that: the ambient brightness detector that this image capturing mechanism includes a camera unit, a connection camera unit is connected light source control mechanism with the figure field signal process boundary element and of light source control mechanism.
3. the light control device of image capturing mechanism as claimed in claim 2, is characterized in that: this light source control mechanism includes this ambient brightness detector of a connection is connected this figure field signal process boundary element NTSC/PAL identification unit, with the brightness control unit, of this pulse wave controlling organization and connects this figure field signal process boundary element is connected this photography signal integer processing unit photography signal frequencies identification unit with the photography signal integer processing unit and of NTSC/PAL identification unit.
4. the light control device of image capturing mechanism as claimed in claim 3, is characterized in that: this NTSC/PAL identification unit can identification frequency be the image signal of 50Hz ~ 60Hz.
5. the light control device of image capturing mechanism as claimed in claim 3, is characterized in that: this photography signal integer processing unit can identification frequency be the image signal of 15Hz ~ 60Hz.
6. the light control device of image capturing mechanism as claimed in claim 3, is characterized in that: the pulse wave frequency setting unit, that this pulse wave controlling organization includes this photography signal frequencies identification unit of a connection connects the pulse wave output current driver element that this brightness control unit is connected this pulse wave signal generator pulse bandwidth adjustment unit and with the pulse wave signal generator, of pulse wave frequency setting unit connects this pulse bandwidth adjustment unit.
7. the light control device of image capturing mechanism as claimed in claim 6, is characterized in that: this lighting means includes the Current amplifier driver element of this pulse wave output current driver element of a connection and the light-emitting diode of this Current amplifier driver element of multiple connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420675724.1U CN204334741U (en) | 2014-11-12 | 2014-11-12 | The light control device of image capturing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420675724.1U CN204334741U (en) | 2014-11-12 | 2014-11-12 | The light control device of image capturing mechanism |
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| CN204334741U true CN204334741U (en) | 2015-05-13 |
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| CN201420675724.1U Expired - Fee Related CN204334741U (en) | 2014-11-12 | 2014-11-12 | The light control device of image capturing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717408A (en) * | 2013-12-11 | 2015-06-17 | 廖彩姿 | Light control equipment of image acquisition mechanism |
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2014
- 2014-11-12 CN CN201420675724.1U patent/CN204334741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717408A (en) * | 2013-12-11 | 2015-06-17 | 廖彩姿 | Light control equipment of image acquisition mechanism |
| CN104717408B (en) * | 2013-12-11 | 2019-09-17 | 廖彩姿 | Light control equipment of image acquisition mechanism |
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| Date | Code | Title | Description |
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| 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: 20150513 Termination date: 20191112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |