CN202587225U - Auxiliary light source control device based on video monitoring front-end equipment - Google Patents
Auxiliary light source control device based on video monitoring front-end equipment Download PDFInfo
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- CN202587225U CN202587225U CN201220154956.3U CN201220154956U CN202587225U CN 202587225 U CN202587225 U CN 202587225U CN 201220154956 U CN201220154956 U CN 201220154956U CN 202587225 U CN202587225 U CN 202587225U
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Abstract
The utility model discloses an auxiliary light source control device based on video monitoring front-end equipment. The auxiliary light source control device comprises a video monitoring unit, a tripod head main control unit, a power supply driving unit and an auxiliary light source. The tripod head main control unit is connected with the video monitoring unit. The power supply driving unit is respectively connected with the auxiliary light source and the tripod head main control unit. The utility model discloses the auxiliary light source control device based on the video monitoring front-end equipment, energy is saved, the auxiliary light source is fully utilized to greatly increase light intensity per unit area within a monitored area at the same time, a monitoring sighting distance of the video monitoring front-end equipment such as a camera is enlarged at the same time, omnidirectional and multiangular shooting requirements are satisfied, the security of production and work in the monitored area is ensured, extensive production and application of the video monitoring front-end equipment are facilitated, and the auxiliary light source control device has significant productive practical significance.
Description
Technical field
The utility model relates to technical field of video monitoring, particularly relates to a kind of secondary light source control device based on video monitoring front end equipment.
Background technology
At present; In order to guarantee omnibearing safety precaution monitoring, in technical field of video monitoring, the user installs video monitoring front end equipments such as video camera in the lower photographed scene of the intensity of illumination of being everlasting; Carry out video monitoring in real time, guarantee the fail safe of guarded region production and work.
But; In the face of such as the lower photographed scene of intensity of illumination such as remote plant area, the highway that the light is dusky and railway at night the time; It is relatively poor that ability is taken in the night vision of video monitoring front end equipments such as existing video camera; Captured monitored picture is very unintelligible, and visual elements greatly reduces, and can't be competent at and satisfy user's video monitoring demand.
Therefore, current night vision shooting ability to video monitoring front end equipments such as video cameras has proposed requirements at the higher level.In order to realize round-the-clock good monitoring effect, common way is on video monitoring front end equipment, to increase secondary light source to carry out light filling at present.Existing video monitoring front end equipment mainly contains following two kinds with the control mode that cooperates of light filling light source:
First kind of control mode is that total power focuses the light filling light source and video monitoring front end equipment works alone respectively; This control mode is fairly simple; Mainly be to distinguish daytime and decide unlatching night or close the light filling light source according to the variation of environment, though this mode the night vision shooting ability of video monitoring front end equipment is had a certain upgrade; Owing to be that total power focuses the light filling light source under the bigger situation of the angle of visual field of video monitoring front end equipments such as video camera; " flashlight " effect can appear in the monitored picture of captured acquisition, is specially: the central area of shooting picture can be very bright, and the corner regions around the picture can be very dark; And when the zoom multiple of video monitoring front end equipments such as video camera increases; When thereby the angle of visual field diminishes; The guarded region scope of the required shooting of video camera reduces significantly; At this time total power focuses the zone of the light area of light filling light source much larger than required shooting, thereby causes unnecessary illumination energy dissipation, has increased energy loss.
Second kind of control mode is for dividing into groups infrarede emitting diode LED to control; Wherein, when the angle of visual field of video monitoring front end equipments such as video camera is bigger, only open dipped headlights; Far-reaching headlamp turn-off; Though at this time captured guarded region expanded range, owing to just opened dipped headlights, so the luminous intensity of guarded region on unit are is smaller; Thereby cause the corresponding sighting distance of video monitoring front end equipment such as video camera to shorten, can't be competent at longer distance, the big angle of visual field takes; When the angle of visual field of video monitoring front end equipment hour, dipped headlights is closed, and just opens high beam.
Therefore; Press at present and develop a kind of device; It can make full use of secondary light source, increases the luminous intensity of unit are in the guarded region scope greatly, enlarges the monitoring sighting distance of video monitoring front end equipments such as video camera simultaneously; Satisfy that the user is comprehensive, the shooting demand of multi-angle, guarantee the fail safe of guarded region production and work.
The utility model content
In view of this; The purpose of the utility model provides a kind of secondary light source control device based on video monitoring front end equipment; It can make full use of the luminous intensity that secondary light source increases unit are in the guarded region scope greatly in energy savings, enlarge the monitoring sighting distance of video monitoring front end equipments such as video camera simultaneously; Satisfy that the user is comprehensive, the shooting demand of multi-angle; Guarantee the fail safe of guarded region production and work, the widespread production that helps video monitoring front end equipment is used, and is of great practical significance.
For this reason, the utility model provides a kind of secondary light source control device based on video monitoring front end equipment, includes video monitoring unit, The Cloud Terrace main control unit, power drives unit and secondary light source;
Said The Cloud Terrace main control unit is connected with the video monitoring unit, and the power drives unit is connected with the The Cloud Terrace main control unit with secondary light source respectively.
Wherein, also include a control appliance, said control appliance is connected with said The Cloud Terrace main control unit.
Wherein, said power drives unit includes photoelectrical coupler and integrated chip circuit, and said photoelectrical coupler is connected with the integrated chip circuit with said The Cloud Terrace main control unit respectively, and said integrated chip circuit is connected with said secondary light source.
Wherein, said secondary light source includes one or more LED lamp.
Wherein, said secondary light source includes a plurality of LED lamps of annular spread, and said a plurality of LED lamps adopt series connection to be connected with the mode that parallel connection combines.
Wherein, the center that surrounded of said a plurality of LED lamp is placed with said video monitoring unit.
Technical scheme by above the utility model provides is visible; Compared with prior art, the utility model provides a kind of secondary light source control device based on video monitoring front end equipment, it can be in energy savings; Making full use of secondary light source increases the luminous intensity of unit are in the guarded region scope greatly; Enlarge the monitoring sighting distance of video monitoring front end equipments such as video camera simultaneously, satisfy that the user is comprehensive, the shooting demand of multi-angle, guarantee the fail safe of guarded region production and work; The widespread production that helps video monitoring front end equipment is used, and is of great practical significance.
Description of drawings
The structural representation of a kind of secondary light source control device based on video monitoring front end equipment that Fig. 1 provides for the utility model;
The structural representation of the specific embodiment one of a kind of secondary light source control device based on video monitoring front end equipment that Fig. 2 provides for the utility model;
The structural representation of the specific embodiment two of a kind of secondary light source control device based on video monitoring front end equipment that Fig. 3 provides for utility model;
The arrangement sketch map of a kind of a kind of led array that has based on secondary light source in the secondary light source control device of video monitoring front end equipment that Fig. 4 provides for the utility model;
18 lens optical zoom multiple parameters of a kind of video camera of storing in advance based on The Cloud Terrace main control unit described in the secondary light source control device of video monitoring front end equipment that Fig. 5 provides for the utility model and being used to are controlled the schematic that concerns between different duty pulse width modulation (PWM) signal of secondary light source operating state.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with accompanying drawing and execution mode.
Referring to Fig. 1, the utility model provides a kind of secondary light source control device based on video monitoring front end equipment, includes video monitoring unit 101, The Cloud Terrace main control unit 102, power drives unit 103 and secondary light source 104, wherein:
The Cloud Terrace main control unit 102; Be connected with video monitoring unit 101; Be used for storing in advance the corresponding relation between different video monitoring cell operation parameter and the different control signals; And the running parameter of the video monitoring unit that is connected through real-time inquiry, obtain corresponding control signal and send to the power drives unit, the running status of control power drives unit;
In the utility model, said video monitoring unit 101 can be video monitoring front end equipments such as video camera.On concrete the realization, said video monitoring unit 101 is preferably monopod video camera (being exactly the video camera that has The Cloud Terrace), and the user is comprehensive to satisfy, the shooting demand of multi-angle.
Need to prove that for monopod video camera, it has carries the device that video camera carries out level and the rotation of vertical both direction, is installed in video camera on the The Cloud Terrace, and video camera is made a video recording from a plurality of angles.Adorn two motor in the The Cloud Terrace, the level of monopod video camera and the angular dimension of vertical rotation can be adjusted through limit switch.
In the utility model; On concrete the realization; Said video monitoring unit 101 is preferably one and is equipped with and can inquires about the zoom multiple and the video camera of the integrated camera movement of transition status day and night, and the running parameter of said video camera can include the camera lens zoom multiple of video camera and transition status day and night.
In the utility model, said The Cloud Terrace main control unit 102 can be central processor CPU, digital signal processor DSP or a single-chip microprocessor MCU, specifically can have the microprocessor of PWM (pulse width modulation) output function for one or more.
Referring to Fig. 2; On concrete the realization; The utility model also includes a control appliance 105; Said control appliance 105 is connected with said The Cloud Terrace main control unit 102, and this control appliance 105 is used to control the operating state of The Cloud Terrace main control unit 102, is specially control and opens or close The Cloud Terrace main control unit 102.
Referring to Fig. 3, in the utility model, said power drives unit 103 includes photoelectrical coupler 1031 and integrated chip circuit 1032, wherein:
Said photoelectrical coupler 1031; Be connected with integrated chip circuit 1032 with said The Cloud Terrace main control unit 102 respectively; After being used for the control signal (for example pwm signal) of said The Cloud Terrace main control unit 102 outputs isolated conversion, export to said integrated chip circuit 1032 again;
Said integrated chip circuit 1032 is connected with secondary light source 104; Be used for according to the control signal of being received; Concrete supply current conducting, disconnection and supply current size of regulating to secondary light source, thus come the opening of final corresponding control secondary light source, close the power with illuminating ray.
In the utility model, on concrete the realization, said photoelectrical coupler 1031 can be that model is the photoelectrical coupler of 6N136,6N137, KPC6N136 or KPC6N137.Said integrated chip circuit 1032 is specially the chip of supporting the PWM dimming function, for example can be LED IC chip LM3404HV or LM3406HV.
In the utility model, said secondary light source 104 can include one or more LED lamp, specifically can be the infrared LED lamp.For example, said secondary light source 104 can be a powerful infrared LED array, also can be with many infrared LED lamp pearl series connection and the parallelly connected grouping infrared lamp that combines.On concrete the realization, said secondary light source 104 is preferably and includes at least one high beam and at least one dipped headlights, and said dipped headlights and high beam can be supplied power by one tunnel power drives unit respectively.
On concrete the realization, said secondary light source 104 can adopt the form of annular light source to arrange the LED lamp, and the mode that the arrangement of a plurality of LED lamps is adopted string and combined makes voltage fluctuation less to the brightness influence of light source.Simultaneously a plurality of LED lamps adopt the mode between homogeneous phase to arrange (spacing distance is identical); As shown in Figure 4; Said secondary light source 104 can include a plurality of LED lamps 1 of annular spread; Said a plurality of LED lamp 1 adopts series connection to be connected with the mode that parallel connection combines, and the center that said a plurality of LED lamps are surrounded can be used to place said video monitoring unit 101 (being video camera).
In the utility model; When said video monitoring unit 101 is video camera; Said The Cloud Terrace main control unit 102 can be used for storing in advance the one-to-one relationship between different camera lens zoom multiples that video camera has and the different control signals; And, obtain corresponding control signal and send to power drives unit 103 through inquiring about the camera lens zoom multiple of video camera in real time.
On concrete the realization; The control signal that said The Cloud Terrace main control unit 102 is exported to power drives unit 103 is preferably pulse width modulation (PWM) signal; Therefore; Said The Cloud Terrace main control unit 102 is preferably the one-to-one relationship that is used for storing in advance between different camera lens zoom multiples that video camera has and the pwm signal with different duty, and through the camera lens zoom multiple of inquiry video camera in real time, obtains corresponding control signal and send to power drives unit 103.At this moment; The concrete operating state (be specially through regulating supply current conducting, disconnection and the supply current size to secondary light source, come the opening of corresponding control secondary light source, close the power with illuminating ray) of secondary light source is controlled in said power drives unit 103 according to received pwm signal.
A kind of 18 lens optical zoom multiple parameters and being used to based on the video camera of storing in the The Cloud Terrace main control unit described in the secondary light source control device of video monitoring front end equipment that Fig. 5 provides for the utility model are controlled the schematic that concerns between different duty pulse width modulation (PWM) signal of secondary light source operating state.Referring to shown in Figure 4, said The Cloud Terrace main control unit 102 has been stored different cameras zoom multiple in advance and has been used for controlling respectively the one-to-one relationship between the different duty pwm signal of said dipped headlights and high beam.
In conjunction with Fig. 5; Be the clear technical scheme of understanding the utility model; Select for use one be equipped with can inquire about the zoom multiple and day and night the video camera of the integrated camera movement of transition status as said video monitoring unit 101; The running parameter of said video camera includes the zoom multiple of camera lens and transition status day and night, describes in the face of the practical implementation process of the utility model down then:
1. when ambient lighting intensity is lower than the predetermined threshold value of video camera; Video camera transfers night to during pattern automatically, and The Cloud Terrace main control unit 102 (microprocessor) inquires the state of video camera, then according to Query Result; Send pwm signal to the power drives unit; The power drives unit comes control flows to cross the size of current of dipped headlights and high beam in the secondary light source according to the pwm signal with duty ratio, and control is with the secondary light source unlatching, and the size of this electric current has reflected the luminous intensity of dipped headlights and high beam.
When the camera lens of video camera is zoom multiple minimum value (1X); The angle of visual field of video camera monitoring is maximum, and open dipped headlights that contains in the secondary light source and high beam simultaneously this moment, and the electrical current of high beam is adjusted to 35% of maximum supply current; Purpose be for fear of since high beam lens angle little; The unit are glazed thread is crossed and is caused " flashlight " effect by force, and simultaneously, dipped headlights and high beam combination current are 1.35 times of single service electric current; Increased the luminous intensity of unit are in the monitoring range, sighting distance is able to extend.
2. along with the increase of the zoom multiple of camera lens; The angle of visual field of video camera monitoring is constantly dwindled, and this moment, the electrical current with dipped headlights in the secondary light source weakened gradually, and the electric current with high beam increases gradually simultaneously; When the camera lens zoom multiple value of video camera surpasses 9X; The dipped headlights that secondary light source has since institute to join the lens angle big, the IR intensity that arrives the observation place of wanting is understood considerably less, there is no need to have opened dipped headlights again; So time is closed dipped headlights, high beam is opened.
3. when ambient lighting intensity was higher than the predetermined threshold value of video camera, video camera transferred color mode to, and microprocessor inquires the state of video camera, and secondary light source is closed.
For the utility model; Compared with prior art; It can combine the different operating parameter (camera lens zoom multiple) of video monitoring unit (like video camera) with the control operation of secondary light source, specifically through the camera lens zoom multiple of video camera, control the power drives unit; Realization is regulated the supply current size of secondary light source and the purpose of controlling supply current conducting, disconnection, thereby realizes technique effect flexible, Based Intelligent Control secondary light source luminous intensity.
Therefore, a kind of secondary light source control device that the utility model provides based on video monitoring front end equipment, it is simple in structure, versatile and flexible; Can be widely used on the video monitoring front end equipment, it can make full use of secondary light source, increases the luminous intensity of unit are in the monitoring range; Have characteristics reasonable in design, safe and reliable, widely used; Enlarge the monitoring sighting distance, reached practical function and economic rationalization, made secondary light source become a kind of " intelligent secondary light source ".
In sum; Compared with prior art, a kind of secondary light source control device that the utility model provides based on video monitoring front end equipment, it can be in energy savings; Making full use of secondary light source increases the luminous intensity of unit are in the guarded region scope greatly; Enlarge the monitoring sighting distance of video monitoring front end equipments such as video camera simultaneously, satisfy that the user is comprehensive, the shooting demand of multi-angle, guarantee the fail safe of guarded region production and work; The widespread production that helps video monitoring front end equipment is used, and is of great practical significance.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (6)
1. the secondary light source control device based on video monitoring front end equipment is characterized in that, includes video monitoring unit, The Cloud Terrace main control unit, power drives unit and secondary light source;
Said The Cloud Terrace main control unit is connected with the video monitoring unit, and the power drives unit is connected with the The Cloud Terrace main control unit with secondary light source respectively.
2. secondary light source control device as claimed in claim 1 is characterized in that, also includes a control appliance, and said control appliance is connected with said The Cloud Terrace main control unit.
3. according to claim 1 or claim 2 secondary light source control device; It is characterized in that; Said power drives unit includes photoelectrical coupler and integrated chip circuit; Said photoelectrical coupler is connected with the integrated chip circuit with said The Cloud Terrace main control unit respectively, and said integrated chip circuit is connected with said secondary light source.
4. secondary light source control device as claimed in claim 1 is characterized in that, said secondary light source includes one or more LED lamp.
5. secondary light source control device as claimed in claim 4 is characterized in that, said secondary light source includes a plurality of LED lamps of annular spread, and said a plurality of LED lamps adopt series connection to be connected with the mode that parallel connection combines.
6. secondary light source control device as claimed in claim 5 is characterized in that, the center that said a plurality of LED lamps are surrounded is placed with said video monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220154956.3U CN202587225U (en) | 2012-04-13 | 2012-04-13 | Auxiliary light source control device based on video monitoring front-end equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220154956.3U CN202587225U (en) | 2012-04-13 | 2012-04-13 | Auxiliary light source control device based on video monitoring front-end equipment |
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| CN202587225U true CN202587225U (en) | 2012-12-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118232A (en) * | 2013-02-20 | 2013-05-22 | 浙江宇视科技有限公司 | Device and method for controlling supplementary lighting |
| CN107395923A (en) * | 2016-05-16 | 2017-11-24 | 三星钻石工业股份有限公司 | Filming apparatus and image management system |
| US10110857B2 (en) | 2014-05-26 | 2018-10-23 | Beijing Sinonet Science & Technology Co., Ltd. | Intelligent monitoring device and method |
-
2012
- 2012-04-13 CN CN201220154956.3U patent/CN202587225U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118232A (en) * | 2013-02-20 | 2013-05-22 | 浙江宇视科技有限公司 | Device and method for controlling supplementary lighting |
| CN103118232B (en) * | 2013-02-20 | 2016-07-13 | 浙江宇视科技有限公司 | A kind of light supplementing control device and method |
| US10110857B2 (en) | 2014-05-26 | 2018-10-23 | Beijing Sinonet Science & Technology Co., Ltd. | Intelligent monitoring device and method |
| CN107395923A (en) * | 2016-05-16 | 2017-11-24 | 三星钻石工业股份有限公司 | Filming apparatus and image management system |
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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: 20121205 Termination date: 20150413 |
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| EXPY | Termination of patent right or utility model |