CN202998266U - Infrared ball-type camera - Google Patents
Infrared ball-type camera Download PDFInfo
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- CN202998266U CN202998266U CN 201220271873 CN201220271873U CN202998266U CN 202998266 U CN202998266 U CN 202998266U CN 201220271873 CN201220271873 CN 201220271873 CN 201220271873 U CN201220271873 U CN 201220271873U CN 202998266 U CN202998266 U CN 202998266U
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- 238000005286 illumination Methods 0.000 claims description 55
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- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
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- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model relates to an infrared ball-type camera, comprising an integrated core and an infrared lighting unit that is matched with the integrated core. The integrated core is capable of automatically focusing at at least two positions at different distances. The infrared ball-type camera also comprises a master control unit and a light-emitting angle adjusting unit. The master control unit is used to obtain the focal length information when the integrated core focuses at any one of the at least two positions at different distances, to output a control signal to the light-emitting angle adjusting unit according to the focal length information, and to control the light-emitting angle adjusting unit to adjust the light-emitting angle of the infrared lighting unit.
Description
Technical field
The utility model relates to the security monitoring field, more particularly, relates to a kind of video camera.
Background technology
In the closed-circuit TV monitoring system construction, on market, a lot of video cameras generally can solve the monitoring demand on daytime well now, and numerous video camera has also all had significant progress at aspects such as horizontal resolution and color renditions.But when ambient light illumination becomes very low or in the situation that there is no illumination fully, the image that wants that video camera is captured and meet the monitoring demand just becomes more difficult.If the method for taking to strengthen white-light illuminating solves, a large amount of power consumption meetings causes resource loss and cost to increase, simultaneously, increase ambient lighting and be unprofitable to the hidden of watch-dog, even can remind those to have malice attempt person to avoid effective monitoring range, implement bad behavior or criminal activity.Therefore, industry redesign clipping the ball casing appearance is also loaded onto the LED infrared illuminator on traditional high-speed ball camera product, develop into gradually and use infrared ball type camera widely.
Although yet along with the continuous upgrading of infrared lamp, the night surveillance of infrared ball type camera distance is more and more far away, bottleneck problem is also solved always accordingly.For example, the Infrared of infrared ball type camera projection part wants to obtain remote clear picture, must sacrifice angular field of view (namely monitoring angular range); And when wanting to obtain larger monitoring angular range, must sacrifice the monitoring distance.
In order to address this problem, correlation technique has taked two groups to four groups different angles collector lenses to form two groups to the infrared lamp of four groups of different focal when design, and these the two groups infrared lamps to four groups of different focal will switch apart from being divided into four grades.The advantage of this kind scheme: only have a kind of focal length only to satisfy a kind of projection distance when only having one group of lamp and compare with angle, it has had four grades.But it is existent defect still, and for example, actual only have two to four focal lengths optional, can't accomplish upper equal can the focusing of arbitrary distance, has so just wasted angular field of view and light source; Simultaneously infrared lamp quantity is too much, and waste resource, and because the multiple heat of infrared lamp is too large, easily cause the infrared ball type camera internal temperature to rise constitutes a threat to the normal operation of electronic devices and components in infrared ball type camera.
The utility model content
The technical problems to be solved in the utility model is, for the above-mentioned deficiency in correlation technique, provides a kind of improved infrared ball type camera.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of outer ball-type video camera, comprise integrated movement and the infrared illumination unit that matches with this integrated movement, described integrated movement can be autofocusing on the position of two different distance at least; This infrared ball type camera also comprises main control unit and rising angle regulon, focus information when described main control unit is used for obtaining described integrated movement and focuses on arbitrary position of position of described at least two different distance, and give described rising angle regulon according to this focus information output control signal, control the rising angle that described rising angle regulon is regulated described infrared illumination unit.
In infrared ball type camera described in the utility model, this infrared ball type camera also comprises driver element, be used for driving described integrated movement and switch at least two control points, described at least two control points are corresponding with the position of described at least two different distance respectively.
In infrared ball type camera described in the utility model, this infrared ball type camera also comprises memory cell, and this memory cell is connected with described main control unit, is used for storage presetting bit information.
In infrared ball type camera described in the utility model, described presetting bit information comprises the positional information of described at least two control points, described integrated movement time of staying information and the order information that cruises on each control point.
In infrared ball type camera described in the utility model, described main control unit is given described driver element according to the positional information of described at least two control points of storing in described memory cell, described time of staying information and the order information that cruises output control signal, controls the described integrated movement of described drive unit drives and carry out automatic cruising on described at least two control points; This infrared ball type camera also comprises the peripheral hardware control unit, is used for writing the positional information of described at least two control points, described integrated movement time of staying information and/or the order information that cruises on each control point toward described memory cell.
in infrared ball type camera described in the utility model, described main control unit focuses on described arbitrary locational focus information according to described integrated movement and calculates this arbitrary locational object to the field range corresponding to distance and this arbitrary position of described integrated movement, calculate again the size of the rising angle of expectation according to this distance and this field range, then give described rising angle regulon according to the size output control signal of the rising angle of expecting, control this rising angle regulon and the rising angle of described infrared illumination unit is adjusted to the rising angle of this expectation.
In infrared ball type camera described in the utility model, this infrared ball type camera also comprises brightness adjusting unit, focus information output control signal when described main control unit also focuses on arbitrary position in the position of described at least two different distance according to described integrated movement is to described brightness adjusting unit, control described brightness adjusting unit and regulate the brightness of described infrared illumination unit, brightness and the actual needs of described infrared illumination unit are complementary.
In infrared ball type camera described in the utility model, described infrared illumination unit is LED infrared illumination unit, and described brightness adjusting unit is current regulation unit.
In infrared ball type camera described in the utility model, described infrared illumination unit is LED infrared illumination unit, and it comprises a plurality of LED infrared light supplies.
In infrared ball type camera described in the utility model, described infrared illumination unit comprises with the lamp plate of light source and the collector lens that matches with lamp plate, described rising angle regulon system by control described lamp plate and the close of described collector lens or away from, regulate the rising angle of described infrared illumination unit.
The beneficial effects of the utility model are: compare with correlation technique, angular field of view and light source all can have been saved along with integrated movement focuses in real time in the infrared illumination unit on arbitrary distance under the control of main control unit, reduced the quantity of infrared illumination unit.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in accompanying drawing:
Fig. 1 is the functional-block diagram of the infrared ball type camera in some embodiment of the utility model.
Fig. 2 is the structural representation of the collector lens of the infrared ball type camera in some embodiment of the utility model.
Fig. 3 is the fundamental diagram of infrared illumination unit under the first rising angle of the infrared ball type camera in some embodiment of the utility model.
Fig. 4 is the fundamental diagram of infrared illumination unit under the second rising angle of the infrared ball type camera in some embodiment of the utility model.
Fig. 5 is the fundamental diagram of infrared illumination unit under the 3rd rising angle of the infrared ball type camera in some embodiment of the utility model.
Embodiment
Below in conjunction with specific embodiment and Figure of description, the utility model is described in further details.
Fig. 1 shows the infrared ball type camera 1 in some embodiment of the utility model, this infrared ball type camera 1 can be applicable in closed-circuit TV monitoring system, and it can comprise main control unit 10, integrated movement 20, infrared illumination unit 50 and rising angle regulon 60.Integrated movement 20 can be autofocusing on the position (for example, 2 ~ 256 diverse locations) of two or more different distance, so that two or more different supervision distances to be provided.Infrared illumination unit 50 matches with integrated movement 20 (for example, infrared illumination unit 50 is distributed in around the camera lens of integrated movement 20), and being used for provides infrared illumination at night or the weak integrated movement 20 in place of light.Rising angle regulon 60 is used for regulating along with integrated movement 20 rising angle of infrared illumination unit 50, make infrared illumination unit 50 all can focus in real time on arbitrary distance, save angular field of view, can also reduce simultaneously the quantity of infrared illumination unit 50, reduced caloric value.
Focus information when in certain embodiments, integrated movement 20 can also focus it on arbitrary position in the position of above-mentioned two or more different distance sends main control unit 10 to.Main control unit 10 is exported a control signal to rising angle regulon 60 according to this focus information, control rising angle regulon 60 and regulate the rising angle of infrared illumination unit 50, make the rising angle of infrared illumination unit 50 and the focal length of integrated movement 20 be complementary.for example, at first main control unit 10 focuses on this arbitrary locational focus information according to integrated movement 20, calculate this arbitrary locational object center to distance and the corresponding field range of integrated movement 20, (namely having the light shapes that the infrared illumination unit 50 of this rising angle forms in this arbitrary position just is complementary with this field range to calculate the rising angle of expectation according to this distance and this field range again, for example, just illuminate whole this field range) size, controlling rising angle regulon 60 gets final product the rising angle that the rising angle of infrared illumination unit 50 is adjusted to this expectation again, thereby can reduce the loss of light.Understandably, above-mentioned light shape and the coupling of field range refer to both equal and opposite in direction or close, specifically can set as required.
In certain embodiments, rising angle regulon 60 can be the transmission mechanism that motor drives, its be by drive with the lamp plate 51 of light source 52 with respect to fixing collector lens 53 near or away from the adjusting of the rising angle of realizing infrared illumination unit 50, the object 2 from being in different monitoring distance and different sizes that the light shape that Infrared is formed can be real-time is complementary.
Fig. 2 shows the collector lens 53 in some embodiment, as shown in the figure, these collector lens 53 integral body are horn-like, and it can adopt optically transparent material to make, and comprise the cylindricality incidence surface 531 of an indent, the exiting surface 533 relative with incidence surface 531 and the reflecting surface 532 that is positioned at sidepiece.Reflecting surface 532 is cup-shaped, is used for the high angle scattered light of light source 52 is reflexed to exiting surface 533, to prevent or to reduce the loss of light.Exiting surface 55 comprises that one is positioned at the protruding sphere in middle part and is positioned at cancave cambered surface around protruding sphere, and the light that is used for light source 52 is sent converges towards the middle part, reduces the rising angle of infrared illumination unit 50, and makes distribution of light relatively even.As shown in Fig. 2 dotted line, when the center of light source 52 and collector lens 53 away from the time, light is through more concentrated after collector lens 53, makes the rising angle of infrared illumination unit 50 reduce.Hence one can see that, by the position of adjusting light source 52 in the chamber that is formed by incidence surface 531, also namely regulates light source 52 to the centre distance of collector lens 53, can change light through the rising angle after collector lens 53.Fig. 3 ~ Fig. 5 shows the situation that the rising angle of infrared illumination unit 50 in some embodiment changes.
As shown in Figure 3, when on integrated movement 20 some control points, when the close together of object 2 and size are larger, focal length when integrated movement 20 will focus on object 2 sends main control unit 10 to, main control unit 10 calculates the rising angle A of the expectation of infrared illumination unit 50 according to this focus information, on the rising angle A of this expectation, light can shine whole object 2 just; Then export control signal to rising angle regulon 60, control rising angle regulon 60 drive lamp plates 51 and collector lens 53 near, make the rising angle of infrared illumination unit 50 become with the rising angle A that expects and equate, and can just shine whole object 2.
As shown in Figure 4, on another control point at integrated movement 20, the distance of object 3 widen and the size of object 3 hour, focal length when integrated movement 20 focuses on object 3 can change, correspondingly, the rising angle B of the expectation that main control unit 10 calculates also changes, impel rising angle regulon 60 to drive lamp plates 51 and collector lens 53 away to apart from d1, make rising angle reduce, until equate with the rising angle B of expectation, and can just shine on whole object 3.
The like, as shown in Figure 5, on another control point at integrated movement 20, when the distance of object 4 further widens, rising angle regulon 60 will drive lamp plate 51 and collector lens 53 further away from each other to apart from d2, make rising angle further reduce, until with the expectation rising angle C, also just focus on whole object 2.
Understandably, in certain embodiments, be the variation of the rising angle of realizing infrared illumination unit 50, also separately lamp plate 51 positions are fixed, and collector lens 53 can move relative to lamp plate.Again understandably, in certain embodiments, also can change focal length lamp form by variable focus lens package, realize the adjusting of the rising angle of infrared illumination unit 50.
In certain embodiments, this infrared ball type camera 1 also can comprise driver element 30, and this driver element 30 is used for driving integrated movement 20 and switches on two or more control points.These two or more control points are corresponding from above-mentioned two or more different supervision distances respectively, are also that each control point all has own corresponding monitoring distance.In certain embodiments, above-mentioned two or more control point is distributed in three dimensions, driver element 30 needs to drive integrated movement 20 and all can rotate with vertical direction in the horizontal direction for this reason, at this moment, driver element 30 can adopt and comprises the vertical of horizontal motor and vertical motor and horizontally rotate machinery.
In certain embodiments, this infrared ball type camera 1 also can comprise memory cell 40, and this memory cell 40 is connected with main control unit 10, is used for storage presetting bit information, for example, positional information, time of staying information and the order information etc. that cruises of the above-mentioned two or more control points of storage.Main control unit 10 can according to the above-mentioned information output control signal of storing in memory cell 40 to driver element 30, be controlled the driver element 30 integrated movements 20 of driving and carry out automatic cruising on above-mentioned two or more control points.
In certain embodiments, this infrared ball type camera 1 also can comprise brightness adjusting unit 70, and brightness adjusting unit 70 is connected with main control unit 10, is used for the brightness of control infrared illumination unit 50 in real time.Concrete control method can be: the focus information output control signal when main control unit 10 focuses on arbitrary position in the position of above-mentioned two or more different distance according to integrated movement 20 is to brightness adjusting unit 70, correspondingly regulate the brightness of infrared illumination unit 50, brightness and the actual needs of infrared illumination unit 50 are complementary, prevent the overexposure phenomenon.
In certain embodiments, this infrared ball type camera 1 also can comprise peripheral hardware control unit 80, this peripheral hardware control unit 80 is used for writing or assisting toward memory cell 40 writing the positional information of above-mentioned two or more control points, the time of staying information on each control point and the order information that cruises, to adapt to the demand of different occasions.Peripheral hardware control unit 80 can be the control appliances such as external connection keyboard/DVR in certain embodiments.
Operation principle below in conjunction with infrared ball type camera 1 is described further the utility model.
Infrared ball type camera 1 mainly comprises the steps: in the course of the work
(1) presetting bit is set, the control point that integrated movement 20 needs monitoring namely is set, and integrated movement 20 time of staying and the order of cruising when arriving this control point;
(2) integrated movement 20 cruises with the order information that cruises according to the control point that presets that sets; : or directly call presetting bit by the peripheral hardware control unit;
When (3) integrated movement 20 arrives each and presets the control point, simultaneously corresponding focus information is sent to main control unit 10.
(4) main control unit 10 is according to the focus information from integrated movement 20, controls the focal length that rising angle regulon 60 is regulated infrared illumination unit 50, and the focal length of outer lighting unit 50 and the focal length of integrated movement 20 are complementary.
(5) main control unit 10 is according to the focus information from integrated movement 20, controls the brightness that brightness adjusting unit 70 is regulated infrared illumination unit 50, and brightness and actual infrared demand with infrared illumination unit 50 are equipped with mutually.
In certain embodiments, infrared illumination unit 50 can be the LED infrared illuminator, and a plurality of light sources 52 are installed on lamp plate 51, for example, is the light source 52 that matrix is arranged more than six or six, and correspondingly, the equal correspondence of each light source 52 arranges a collector lens 53.In certain embodiments, this infrared ball type camera 1 can be infrared high-speed ball-type video camera, also can be infrared low speed ball-shaped camera or infrared moderate-speed ball-type video camera.
The above is only preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in several improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. infrared ball type camera, comprise integrated movement and the infrared illumination unit that matches with this integrated movement, described integrated movement can be autofocusing on the position of two different distance at least, it is characterized in that, this infrared ball type camera also comprises main control unit and rising angle regulon, focus information when described main control unit is used for obtaining described integrated movement and focuses on arbitrary position of position of described at least two different distance, and give described rising angle regulon according to this focus information output control signal, control described rising angle regulon and regulate the rising angle of described infrared illumination unit.
2. infrared ball type camera according to claim 1, it is characterized in that, this infrared ball type camera also comprises driver element, be used for driving described integrated movement and switch at least two control points, described at least two control points are corresponding with the position of described at least two different distance respectively.
3. infrared ball type camera according to claim 2, is characterized in that, this infrared ball type camera also comprises memory cell, and this memory cell is connected with described main control unit, is used for storage presetting bit information.
4. infrared ball type camera according to claim 3, is characterized in that, described presetting bit information comprises the positional information of described at least two control points, described integrated movement time of staying information and the order information that cruises on each control point; Described main control unit is given described driver element according to the positional information of described at least two control points of storing in described memory cell, described time of staying information and the order information that cruises output control signal, controls the described integrated movement of described drive unit drives and carry out automatic cruising on described at least two control points.
5. infrared ball type camera according to claim 4, it is characterized in that, this infrared ball type camera also comprises the peripheral hardware control unit, is used for writing toward described memory cell positional information, time of staying information and/or the cruise order information of described integrated movement on each control point of described at least two control points on a described integrated movement control point in office.
6. infrared ball type camera according to claim 1, it is characterized in that, described main control unit focuses on described arbitrary locational focus information according to described integrated movement, calculate this arbitrary locational object center to distance and the corresponding field range of described integrated movement, calculate again the size of the rising angle of expectation according to this distance and this field range, then give described rising angle regulon according to the size output control signal of the rising angle of expecting, control this rising angle regulon and the rising angle of described infrared illumination unit is adjusted to the rising angle of this expectation.
7. according to claim 1-6 described infrared ball type cameras of any one, it is characterized in that, this infrared ball type camera also comprises brightness adjusting unit, focus information output control signal when described main control unit also focuses on arbitrary position in the position of described at least two different distance according to described integrated movement is to described brightness adjusting unit, control described brightness adjusting unit and regulate the brightness of described infrared illumination unit, brightness and the actual needs of described infrared illumination unit are complementary.
8. infrared ball type camera according to claim 7, is characterized in that, described infrared illumination unit is LED infrared illumination unit, and described brightness adjusting unit is current regulation unit.
9. according to claim 1-6 described infrared ball type cameras of any one, is characterized in that, described infrared illumination unit is LED infrared illumination unit, and it comprises a plurality of LED infrared light supplies.
10. according to claim 1-6 described infrared ball type cameras of any one, it is characterized in that, described infrared illumination unit comprises with the lamp plate of light source and the collector lens that matches with lamp plate, described rising angle regulon system by control described lamp plate and the close of described collector lens or away from, regulate the rising angle of described infrared illumination unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220271873 CN202998266U (en) | 2012-06-11 | 2012-06-11 | Infrared ball-type camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220271873 CN202998266U (en) | 2012-06-11 | 2012-06-11 | Infrared ball-type camera |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491283A (en) * | 2012-06-11 | 2014-01-01 | 旗瀚科技有限公司 | Infrared dome camera |
| CN104797035A (en) * | 2014-05-28 | 2015-07-22 | 天长市安发特照明电器有限公司 | LED lighting fixture energy saving control system for public places |
| CN104797036A (en) * | 2014-05-28 | 2015-07-22 | 天长市安发特照明电器有限公司 | LED lighting fixture illumination induction control system for office buildings |
| CN108810365A (en) * | 2017-05-01 | 2018-11-13 | 佳能株式会社 | It can judge the lighting apparatus and its control method of the direction of illumination of flash lamp |
-
2012
- 2012-06-11 CN CN 201220271873 patent/CN202998266U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491283A (en) * | 2012-06-11 | 2014-01-01 | 旗瀚科技有限公司 | Infrared dome camera |
| CN104797035A (en) * | 2014-05-28 | 2015-07-22 | 天长市安发特照明电器有限公司 | LED lighting fixture energy saving control system for public places |
| CN104797036A (en) * | 2014-05-28 | 2015-07-22 | 天长市安发特照明电器有限公司 | LED lighting fixture illumination induction control system for office buildings |
| CN104797035B (en) * | 2014-05-28 | 2018-03-27 | 天长市安发特照明电器有限公司 | A kind of public place LED lamp energy-saving control system |
| CN104797036B (en) * | 2014-05-28 | 2018-07-24 | 安徽安发特电气集团有限公司 | A kind of office building LED lamp illumination induction control system |
| CN108810365A (en) * | 2017-05-01 | 2018-11-13 | 佳能株式会社 | It can judge the lighting apparatus and its control method of the direction of illumination of flash lamp |
| CN108810365B (en) * | 2017-05-01 | 2020-12-29 | 佳能株式会社 | Lighting apparatus capable of determining irradiation direction of flash and control method thereof |
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Address after: 20 building, Times Technology Building, 7028 Shennan Avenue, Futian District, Guangdong, Shenzhen 518040, China Patentee after: QIHAN TECHNOLOGY CO., LTD. Address before: 20 building, Times Technology Building, 7028 Shennan Avenue, Futian District, Guangdong, Shenzhen 518040, China Patentee before: Qihan Technology Co., Ltd. |
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Address after: 20 building, Times Technology Building, 7028 Shennan Avenue, Futian District, Guangdong, Shenzhen 518040, China Patentee after: Qihan Technology Co., Ltd. Address before: 20 building, Times Technology Building, 7028 Shennan Avenue, Futian District, Guangdong, Shenzhen 518040, China Patentee before: QIHAN TECHNOLOGY CO., LTD. |
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