CN102798358B - Abnormal revolution sensing device for fixed camera and camera device - Google Patents
Abnormal revolution sensing device for fixed camera and camera device Download PDFInfo
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- CN102798358B CN102798358B CN201210303282.3A CN201210303282A CN102798358B CN 102798358 B CN102798358 B CN 102798358B CN 201210303282 A CN201210303282 A CN 201210303282A CN 102798358 B CN102798358 B CN 102798358B
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Abstract
The invention relates to an abnormal revolution sensing device aiming for a fixed camera. The camera is arranged in a dustproof cover; the dustproof cover is supported by a vertical rod; and the sensing device comprises a rotary connection device, a detection device and a reminding device, wherein one end of the rotary connection device is fixed on the vertical rod while the other end of the rotary connection device enters the dustproof cover through a first through hole formed at the bottom of the dustproof cover; the detection device is arranged in the dustproof cover of the camera and used for outputting a signal when the camera is rotated; and the reminding device is connected with the detection device and is used for giving an alarm in sound or/and character form when receiving the output signal. The invention also relates to a camera device. The abnormal revolution sensing device for the fixed camera and the camera device have the beneficial effects of being capable of sensing the abnormal rotation of the camera in real time and ensuring the normal function of a video monitoring system.
Description
Technical field
The present invention relates to field of video monitoring, more particularly, relate to a kind of for abnormal sensing device and the camera head rotating of fixed cameras.
Background technology
Video monitoring system is widely used in the security precautionary measures of every profession and trade at present, and application is the most generally as evidence obtaining use afterwards.Because video monitoring system is numerous in the video camera way of many its settings of occasion, manually cannot monitor in real time each road image, and do not need in many cases artificial real-time monitor video picture, but monitored picture is at that time recorded, when there is case, can have access to video monitoring record at that time.If there is not case, will can not have access to video or check that whether video is normal.Video camera, as the video acquisition device in video monitoring system, is responsible for gathering and output video image, and its role in video monitoring system is particularly important.Therefore, when lawless person wants to avoid video monitoring, generally can select to rotate or destroy video camera, its evidence of crime is not recorded by video monitoring system.Once be rotated when video camera or the problem such as destruction occurs, carelessness or the real-time monitor video picture of nobody due to operator on duty, cause this problem undiscovered for a long time, cannot guarantee that video monitoring system normally plays a role, offender is had an opportunity to take advantage of, thereby make video monitoring system just lose its due effect.
Summary of the invention
The technical problem to be solved in the present invention is, while being rotated for the above-mentioned video camera of prior art for a long time undiscovered, cannot guarantee the defect that video monitoring system normally plays a role, provide a kind of and can real-time perception video camera by abnormal, be rotated, guarantee that video monitoring system normally plays a role for abnormal sensing device and the camera head rotating of fixed cameras.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of for the abnormal sensing device rotating of fixed cameras, described video camera is arranged in dust cover, described dust cover is supported by vertical rod, and described sensing device comprises rotary connecting device, pick-up unit and alarm set; One end of described rotary connecting device is fixed in described vertical rod, and the other end enters in described dust cover by being arranged on the first through hole of dust cover bottom; Described pick-up unit is arranged on output signal in the dust cover of described video camera and when described video camera is rotated; Described alarm set be connected with described pick-up unit and when receiving described output signal with sound or/and written form sends warning.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, the part that described rotary connecting device stretches into described dust cover comprises OBL anti-dazzling screen, described pick-up unit comprises for the power valve of utilizing emitted light signal with for the receiving tube of receiving optical signals, described anti-dazzling screen between described power valve and receiving tube in order to block whole light beams, when described video camera is rotated and when rotational angle surpasses default angle threshold, described receiving tube output signal.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, described rotary connecting device also comprises and is connected and keeps vertical vertical catch with described anti-dazzling screen one end, its one end is connected with the described vertical catch other end and is the adaptive sheet at right angle or obtuse angle with the angle between described vertical catch, and its one end is connected and keeps vertical spacer with the other end of described adaptive sheet; The other end of described spacer is provided with one or more positioning through hole, in described vertical rod, is provided with locating ring, and described spacer is fixed on described locating ring by described positioning through hole; Angle between described spacer and described adaptive sheet is right angle or obtuse angle; Described vertical catch is through the first through hole.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, one end that described vertical catch is connected with described anti-dazzling screen is provided with the rectangular light hole being rectangle, and one end of described rectangular through hole is connected with one end of described anti-dazzling screen.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, described pick-up unit also comprises the first support, described power valve and receiving tube are arranged in parallel within the same side of described the first support, and the one side of described power valve and receiving tube is concordant with the one side of described the first support; Described the first support is fixed on the mounting base of rear end in described video camera dust cover, on described the first support, is also provided with the rack ventilating hole for described pick-up unit is fixed.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, described pick-up unit also comprise with described the first support near the one end that is provided with rack ventilating hole is connected, for the binding post of wiring, and be arranged on the another side of described the first support and away from one end of described binding post, for making described pick-up unit be easy to the reference column of locating.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, described sensing device also comprises the mounting bracket being fixed in described dust cover, and described the first support is fixed on described mounting bracket by described rack ventilating hole.
In the sensing device for the abnormal rotation of fixed cameras of the present invention, on the side of described power valve near described receiving tube, be provided with for launching the bar shaped transmitting aperture of light beam, described receiving tube is provided with the bar shaped receiver hole for receiving beam on the side near described power valve; Described bar shaped transmitting aperture and bar shaped receiver hole lay respectively at the correspondence position of described power valve and receiving tube; The length of described anti-dazzling screen is greater than the length of described bar shaped transmitting aperture or bar shaped receiver hole.
Of the present invention for fixed cameras in the abnormal sensing device rotating, described alarm set comprise audio amplifier or/and LED electronic display or/and alarming horn or/and sound and light alarm equipment.
The invention still further relates to a kind of camera head, comprise video camera, dust cover, vertical rod and for send the sensing device of warning when video camera is rotated; Described sensing device is any one in the above-mentioned sensing device extremely rotating for fixed cameras.
Implement of the present invention for abnormal sensing device and the camera head rotating of fixed cameras, there is following beneficial effect: owing to using rotary connecting device, pick-up unit and alarm set, rotary connecting device is fixed on the locating ring of video camera by the positioning through hole on spacer, locating ring is fixed in the vertical rod of video camera, the anti-dazzling screen of rotary connecting device is placed on the whole light that send in order to block power valve between the power valve of pick-up unit and receiving tube, when the angle being rotated when video camera surpasses default angle (video camera is rotated extremely), receiving tube receives the light that power valve sends, pick-up unit output signal is also delivered to alarm set by output signal, alarm set with sound or/and written form sends warning, so it can be rotated, guarantees that by abnormal video monitoring system normally plays a role by real-time perception video camera.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is directed to a visual angle of rotary connecting device in the abnormal sensing device rotating of fixed cameras and camera head embodiment.
Fig. 2 is the structural representation at another visual angle of rotary connecting device in described embodiment.
Fig. 3 is the structural representation at the another visual angle of rotary connecting device in described embodiment.
Fig. 4 is the structural representation at a visual angle of pick-up unit in described embodiment.
Fig. 5 is the structural representation at another visual angle of pick-up unit in described embodiment.
Fig. 6 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras in described embodiment and video camera, dust cover and a visual angle of vertical rod.
Fig. 7 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras in described embodiment and video camera, dust cover and another visual angle of vertical rod.
Fig. 8 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras in described embodiment and video camera, dust cover and the another visual angle of vertical rod.
Embodiment
For the ease of those of ordinary skill in the art, can understand and implement the present invention, below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated.
In the present invention is directed to the abnormal sensing device and camera head embodiment rotating of fixed cameras, above-mentioned video camera (fixed cameras) is arranged in dust cover, dust cover is supported by vertical rod, and this sensing device comprises rotary connecting device, pick-up unit and alarm set; Wherein, one end of rotary connecting device is fixed in vertical rod, and its other end enters in dust cover by being arranged on the first through hole of dust cover bottom; Pick-up unit is arranged on output signal in the dust cover of video camera and when video camera is rotated; Alarm set be connected with pick-up unit and when receiving output signal (output signal of pick-up unit) with sound or/and written form sends warning.
In the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is the structural representation at a visual angle of rotary connecting device to the structural representation of rotary connecting device; Fig. 2 is the structural representation at another visual angle of rotary connecting device; Fig. 3 is the structural representation at the another visual angle of rotary connecting device.As shown in Figure 1, Figure 2 and Figure 3, the part that rotary connecting device 1 stretches into dust cover comprises OBL anti-dazzling screen 11, and rotary connecting device 1 also comprises vertical catch 12, adaptive sheet 13 and spacer 14; Wherein, anti-dazzling screen 11 is for blocking light beam, vertical catch 12 is connected with anti-dazzling screen 11 one end and keeps vertical, adaptive sheet 13 one end are connected with vertical catch 12 other ends and are right angle or obtuse angle with the angle between vertical catch 12, and spacer 14 one end are connected with the other end of adaptive sheet 13 and keep vertical; Angle between spacer 14 and adaptive sheet 13 is right angle or obtuse angle.It is worth mentioning that, vertical catch 12 is equipped with chamfering with junction and the spacer 14 of adaptive sheet 13 with the junction of adaptive sheet 13, certainly, in the other situation of the present embodiment, vertical catch 12 also can not arrange chamfering with junction and the spacer 14 of adaptive sheet 13 with the junction of adaptive sheet 13.
In the present embodiment, the other end of spacer 14 (away from adaptive sheet 13 one end) is provided with one or more positioning through hole 141, is provided with locating ring in vertical rod, and spacer 14 is fixed on locating ring by positioning through hole 141; In the present embodiment, the other end of spacer 14 is provided with two positioning through hole 141, and the dead in line of above-mentioned two positioning through hole 141, certainly, in the other situation of the present embodiment, a positioning through hole can be set, and this situation may cause spacer fixing not too strong, but this situation is applicable to occasion less demanding to perceived accuracy but to cost sensitivity; Three or more positioning through hole also can be set, and this situation is securely fixed on locating ring spacer (to ask for an interview Fig. 6, Fig. 7 and Fig. 8, can be described after a while).One end that vertical catch 12 is connected with anti-dazzling screen 11 is provided with the rectangular light hole 121 being rectangle, and one end of rectangular through hole 121 is connected with one end of anti-dazzling screen 11.
In the present embodiment, the structural representation of pick-up unit as shown in Figure 4, in Fig. 4, pick-up unit 2 comprises power valve 211 and receiving tube 212, wherein, power valve is for utilizing emitted light signal, receiving tube is for receiving optical signals, and specifically, power valve 211 is for being converted to input electrical signal light signal and launching above-mentioned light signal, receiving tube 212 is for receiving above-mentioned light signal and light signal being converted to electric signal, and power valve 211 and receiving tube 212 are rectangular-shaped.On the side of power valve 211 near receiving tube 212, be provided with for launching the bar shaped transmitting aperture 214 of light beam, on the side of receiving tube 212 near power valve 211, be provided with for receiving the bar shaped receiver hole 215 of above-mentioned light beam; Bar shaped transmitting aperture 214 and bar shaped receiver hole 215 lay respectively at the correspondence position (being midline position in the present embodiment) of power valve 211 and receiving tube 212 and away from the one end being connected with the first support 21, bar shaped transmitting aperture 214 and bar shaped receiver hole 215 (in the present embodiment, being in same level) in the same plane, so that bar shaped receiver hole 215 along continuous straight runs receive the light beam of bar shaped transmitting aperture 214 transmittings, can make like this bar shaped receiver hole 215 fully receive the light beam of bar shaped transmitting aperture 214 transmittings; Certainly, in the other situation of the present embodiment, bar shaped transmitting aperture 214 and bar shaped receiver hole 215 also can be not at grade, and at this moment bar shaped receiver hole 215 can not fully receive the light beam of bar shaped transmitting aperture 214 transmittings, and this situation is applicable to the occasion not high to accuracy requirement.In the present embodiment, power valve 211 and the mutual close side of receiving tube 212 are called to medial surface, by power valve 211 and receiving tube 212 mutually away from side be called lateral surface, to be provided with the side of bar shaped transmitting aperture 214 be the medial surface of power valve 211 to above-mentioned power valve 211, and the side that receiving tube 212 is provided with bar shaped receiver hole 215 is the medial surface of receiving tube 212.Certainly, in the other situation of the present embodiment, power valve 211 and receiving tube 212 can be also other shapes, such as cylindric, prism-shaped etc., but in this case, may cause bar shaped receiver hole can not fully receive the light beam of bar shaped transmitting aperture transmitting, cause perceived accuracy not high.
It is worth mentioning that, the length of above-mentioned anti-dazzling screen 11 is greater than the length of bar shaped transmitting aperture 214 or bar shaped receiver hole 215, in order to block whole light beams.Here the length direction of anti-dazzling screen 11 is defined as the direction at the place, one side (being the common edge that anti-dazzling screen 11 is connected with vertical catch 12) that is parallel to anti-dazzling screen 11 and is connected with vertical catch 12, therefore, the length of anti-dazzling screen 11 is for it is in the size that is parallel to the common edge place direction that anti-dazzling screen 11 is connected with vertical catch 12.
In the present embodiment, pick-up unit 2 also comprises the first support 21, binding post 22 and reference column 23; Wherein, power valve 211 and receiving tube 212 are arranged in parallel within the same side of the first support 21, and the one side of power valve 211 and receiving tube 212 is concordant with the one side of the first support 21; The first support 21 is fixed on the mounting base of rear end in dust cover (asking for an interview Fig. 8), is also provided with the rack ventilating hole 213 for pick-up unit 2 is fixed on the first support 21, with screw, by rack ventilating hole 213, the first support 21 is fixed.Binding post 22 is connected near the one end that is provided with rack ventilating hole 213 with the first support 21 and for wiring, reference column 23 is arranged on the another side (being provided with the relative one side in the side of power valve 211 and receiving tube 212 with above-mentioned support 21) of the first support 21 and away from one end of binding post 22, for making pick-up unit 2 be easy to location (locate, describe after a while) on mounting bracket.
Fig. 5 is the structural representation at pick-up unit 2 another visual angles in the present embodiment, from Fig. 5, can directly find out the spatial relation between the first support 21, power valve 211, receiving tube 212, binding post 22 and reference column 23.Reference column 23 near one end of the first support 21 be cylindric, away from one end of the first support 21, be round table-like.Certainly, in the other situation of the present embodiment, reference column 23 also can be for cylindric or round table-like.
It is worth mentioning that, in the present embodiment, this sensing device also comprises mounting bracket 62, mounting bracket 62 is fixed in dust cover, be exactly to be specifically fixed on the mounting base of rear end in dust cover, the first support 21 is fixed on mounting bracket 62 and (is referred to Fig. 8) by rack ventilating hole 213 and reference column 23.
The structural representation of rear and video camera, dust cover and vertical rod being installed for the abnormal sensing device rotating of fixed cameras in the present embodiment is as shown in Fig. 6, Fig. 7 and Fig. 8, and Fig. 6 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras and video camera, dust cover and a visual angle of vertical rod; Fig. 7 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras and video camera, dust cover and another visual angle of vertical rod; Fig. 8 is the structural representation at after installing for the abnormal sensing device rotating of fixed cameras and video camera, dust cover and the another visual angle of vertical rod.As shown in Fig. 6, Fig. 7 and Fig. 8, video camera 73 is arranged in dust cover, dust cover comprises dust cover upper cover 41, dust cover front end end cover 42, dust cover rear end cap 43 and dust cover bottom 44, dust cover front end end cover 42 and dust cover rear end cap 43 are separately positioned on the two ends of dust cover bottom 44, and dust cover upper cover 41 is connected with the other end of dust cover bottom 44.For the present embodiment, video camera 73 is arranged on the video camera mounting plate 72 on dust cover bottom 44, and front end installing plate 71 is connected with dust cover bottom 44 with dust cover upper cover 41 respectively.Dust cover bottom 44 is supported by vertical rod 32, and one end of vertical rod 32 is connected with mounting seat 31, and its other end is connected with one end of universal joint 36, is provided with locating ring 33 in vertical rod 32, and locating ring 33 is fixed in vertical rod 32 by set screw 34; The other end of universal joint 36 with in order to hold the supporting seat of dust cover bottom 44, be connected, one end of video camera bottom 44 is provided with mounting base 61, mounting base 61 is equipped with the first through hole with the correspondence position of dust cover bottom 44, in the present embodiment, the first through hole is rectangle, certainly, and in the other situation of the present embodiment, the first through hole can be also other shapes, for example: square.
In the present embodiment, pick-up unit 2 is arranged on the mounting base 61 of rear end in dust cover (the rear end is here the one end near dust cover rear end cap), it contacts the first support 21 with mounting base 61 with the concordant one side of power valve and receiving tube, the first support 21 is screwed on mounting bracket 62 by rack ventilating hole 213, and makes power valve and receiving tube in all or part of scope that is positioned at the first through hole of the projection of vertical direction.The spacer 14 of rotary connecting device 1 is fixed on locating ring 33 by trip bolt 35 by positioning through hole 141, and described vertical catch 12 is through the first through hole.In the other situation of the present embodiment, pick-up unit also can be arranged on video camera dust cover Inner Front End (the front end is here the one end near dust cover front end end cover) position, and prerequisite is not affect in the situation of shooting.Anti-dazzling screen 11 between power valve and receiving tube in order to block whole light beams, when video camera is rotated and when rotational angle surpasses default angle threshold, receiving tube 212 output signals.
In the present embodiment, pick-up unit 2 is converted to optical signals bar shaped transmitting aperture 214 by input electrical signal (input current) and launches light beam on power valve 211, the bar shaped receiver hole 215 of receiving tube 212 receives the light beam of bar shaped transmitting apertures 214 transmittings, and receiving tube 212 is according to the strong and weak of the light (light beam) receiving or have or not target object is surveyed.Pick-up unit 2 is to take a kind of electricity-light-power conversion device that light is media transmission electric signal.Power valve is input end, and receiving tube is output terminal, and power valve can be light emitting diode, and receiving tube can be photodiode or phototriode etc.Pick-up unit 2 can be photodiode type or phototriode cast or photoresistance type or photo thyristor type or photoelectricity Darlington type or integrated circuit type etc.Pick-up unit 2 in the present embodiment is infrared switch or optoelectronic switch.
In the present embodiment, alarm set comprise audio amplifier or/and LED electronic display or/and alarming horn or/and sound and light alarm equipment (not shown).When being covered by anti-dazzling screen between power valve and receiving tube, bar shaped receiver hole does not receive the light beam of bar shaped transmitting aperture transmitting, and at this moment pick-up unit 2 can output signal, shows that video camera normally works.Rotational angle threshold value and vertical direction rotational angle threshold value in the horizontal direction in the present embodiment, have been preset, when the angle being rotated in the horizontal direction when video camera surpasses horizontal direction rotational angle threshold value, bar shaped receiver hole receives the light beam of being launched by bar shaped transmitting aperture, pick-up unit 2 output signals are also sent to alarm set by this output signal, alarm set with sound or/and written form sends warning, to remind operator on duty to take in time the effective precautionary measures.Equally, when the angle being rotated at vertical direction when video camera surpasses vertical direction rotational angle threshold value, bar shaped receiver hole receives the light beam of being launched by bar shaped transmitting aperture, pick-up unit 2 output signals are also sent to alarm set (not shown) by this output signal, alarm set with sound or/and written form sends warning, to remind operator on duty to take in time the effective precautionary measures.Output signal when the rotational angle of its horizontal direction of video camera is spent over 2, output signal when the rotational angle of its vertical direction of video camera is spent over 5, is also that above-mentioned horizontal direction rotational angle threshold value is 2 degree, vertical direction rotational angle threshold value is 5 degree; When video camera rotational angle is in the horizontal direction spent over 2, video camera rotates extremely, pick-up unit 2 output signals, and when video camera is when the rotational angle of vertical direction is spent over 5, video camera rotates extremely, pick-up unit 2 output signals.In other words, when video camera is normally worked, pick-up unit 2 does not have signal output, when video camera is rotated and when rotational angle surpasses default angle threshold, and pick-up unit 2 output signals, and output signal is passed to alarm set.So should be rotated, guaranteed by abnormal that video monitoring system normally played a role for the abnormal sensing device energy real-time perception video camera rotating of fixed cameras.
In the other situation of the present embodiment, above-mentioned horizontal direction rotational angle threshold value and vertical direction rotational angle threshold value also can be set to other values according to actual needs, and being also horizontal direction rotational angle threshold value and vertical direction rotational angle threshold value is set to different values with the difference of concrete condition.For example: the horizontal direction rotational angle threshold value arranging is as the case may be 3 degree, and vertical direction rotational angle threshold value is 4 degree, at this moment, when the rotational angle of its horizontal direction of video camera is spent over 3, pick-up unit output signal; When the rotational angle of its vertical direction of video camera is spent over 6, pick-up unit output signal.As long as pick-up unit output signal, just this output signal is sent to alarm set, alarm set with sound or/and written form sends warning.
The present embodiment also relates to a kind of camera head, comprises video camera, dust cover, vertical rod and for send the sensing device of warning when video camera is rotated; Described sensing device is the above-mentioned sensing device for the abnormal rotation of fixed cameras in the present embodiment.It should be noted in the discussion above that video camera is arranged in dust cover, dust cover is supported by vertical rod.
In a word, in the present embodiment, for the abnormal sensing device rotating of fixed cameras, comprise rotary connecting device and pick-up unit, rotary connecting device is fixed on locating ring, locating ring is fixed in video camera vertical rod, the effect of rotary connecting device is while (surpassing default angle threshold) outside the scope that video camera is rotated and rotational angle is being set, for detection trigger device (being pick-up unit output signal); Pick-up unit is arranged in video camera dust cover, alarm set comprise audio amplifier or/and LED electronic display or/and alarming horn or/and sound and light alarm equipment, for the output signal of receiving detection device and with sound or/and the form of word is reminded operator on duty, to take in time the effective precautionary measures.Thereby find that in time video camera is rotated, and remind related personnel to process in time, guarantee that video monitoring system plays a role normally.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. for the abnormal sensing device rotating of fixed cameras, described video camera is arranged in dust cover, and described dust cover is supported by vertical rod, it is characterized in that, described sensing device comprises rotary connecting device, pick-up unit and alarm set; One end of described rotary connecting device is fixed in described vertical rod, and the other end enters in described dust cover by being arranged on the first through hole of dust cover bottom; Described pick-up unit is arranged on output signal in the dust cover of described video camera and when described video camera is rotated; Described alarm set be connected with described pick-up unit and when receiving described output signal with sound or/and written form sends warning;
The part that described rotary connecting device stretches into described dust cover comprises OBL anti-dazzling screen, described pick-up unit comprises for the power valve of utilizing emitted light signal with for the receiving tube of receiving optical signals, described anti-dazzling screen between described power valve and receiving tube in order to block whole light beams, when described video camera is rotated and when rotational angle surpasses default angle threshold, described receiving tube output signal;
Described rotary connecting device also comprises and is connected and keeps vertical vertical catch with described anti-dazzling screen one end, its one end is connected with the described vertical catch other end and is the adaptive sheet at right angle or obtuse angle with the angle between described vertical catch, and its one end is connected and keeps vertical spacer with the other end of described adaptive sheet; The other end of described spacer is provided with one or more positioning through hole, in described vertical rod, is provided with locating ring, and described spacer is fixed on described locating ring by described positioning through hole; Angle between described spacer and described adaptive sheet is right angle or obtuse angle; Described vertical catch is through the first through hole.
2. according to claim 1 for the abnormal sensing device rotating of fixed cameras, it is characterized in that, one end that described vertical catch is connected with described anti-dazzling screen is provided with the rectangular light hole being rectangle, and one end of described rectangular light hole is connected with one end of described anti-dazzling screen.
3. according to claim 2 for the abnormal sensing device rotating of fixed cameras, it is characterized in that, described pick-up unit also comprises the first support, described power valve and receiving tube are arranged in parallel within the same side of described the first support, and the one side of described power valve and receiving tube is concordant with the one side of described the first support; Described the first support is fixed on the mounting base of rear end in described video camera dust cover, on described the first support, is also provided with the rack ventilating hole for described pick-up unit is fixed.
4. according to claim 3 for the abnormal sensing device rotating of fixed cameras, it is characterized in that, described pick-up unit also comprise with described the first support near the one end that is provided with rack ventilating hole is connected, for the binding post of wiring, and be arranged on the another side of described the first support and away from one end of described binding post, for making described pick-up unit be easy to the reference column of locating.
5. according to claim 4 for the abnormal sensing device rotating of fixed cameras, it is characterized in that, described sensing device also comprises the mounting bracket being fixed in described dust cover, and described the first support is fixed on described mounting bracket by described rack ventilating hole.
6. according to claim 5 for the abnormal sensing device rotating of fixed cameras, it is characterized in that, on the side of described power valve near described receiving tube, be provided with for launching the bar shaped transmitting aperture of light beam, described receiving tube is provided with the bar shaped receiver hole for receiving beam on the side near described power valve; Described bar shaped transmitting aperture and bar shaped receiver hole lay respectively at the correspondence position of described power valve and receiving tube; The length of described anti-dazzling screen is greater than the length of described bar shaped transmitting aperture or bar shaped receiver hole.
According to described in claim 1-6 any one for the abnormal sensing device rotating of fixed cameras, it is characterized in that, described alarm set comprise audio amplifier or/and LED electronic display or/and alarming horn or/and sound and light alarm equipment.
8. a camera head, is characterized in that, comprises video camera, dust cover, vertical rod and for send the sensing device of warning when video camera is rotated; Described sensing device is the sensing device for the abnormal rotation of fixed cameras described in claim 1 to 7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210303282.3A CN102798358B (en) | 2012-08-24 | 2012-08-24 | Abnormal revolution sensing device for fixed camera and camera device |
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| CN201210303282.3A CN102798358B (en) | 2012-08-24 | 2012-08-24 | Abnormal revolution sensing device for fixed camera and camera device |
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| CN102798358B true CN102798358B (en) | 2014-10-15 |
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| CN107655439B (en) * | 2017-09-19 | 2020-06-02 | 北京电子工程总体研究所 | Automatic interpretation method for control surface step test result |
| CN112584014A (en) * | 2020-12-01 | 2021-03-30 | 苏州触达信息技术有限公司 | Intelligent camera, control method thereof and computer readable storage medium |
| CN113607387B (en) * | 2021-07-28 | 2024-03-15 | 上海建东科技有限公司 | Detection equipment for light adjusting device |
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| JPS56107105A (en) * | 1980-01-31 | 1981-08-25 | Toshiba Corp | Measuring device by laser |
| JP2009296349A (en) * | 2008-06-05 | 2009-12-17 | Canon Inc | Surveillance camera apparatus |
| CN101335879A (en) * | 2008-07-10 | 2008-12-31 | 华南理工大学 | Multi-point triggering fixed point tracking monitoring method and system |
| CN201937728U (en) * | 2010-12-09 | 2011-08-17 | 北京佳讯飞鸿电气股份有限公司 | Tunnel video capture device |
| CN202177586U (en) * | 2011-07-19 | 2012-03-28 | 安庆市恒昌机械制造有限责任公司 | Blanking detection device |
| CN202757594U (en) * | 2012-08-24 | 2013-02-27 | 广州市浩云安防科技股份有限公司 | Abnormal revolution sensing device for fixed camera and camera device |
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Address after: 511400, No. 2201, building 2, Cheonan headquarters, No. 555, Panyu Avenue, east ring street, Guangzhou, Guangdong, Panyu District Patentee after: Polytron Technologies Inc Address before: 511400 Guangdong city of Guangzhou province Panyu District City Bridge Street Liang Lu Gold Garden East two Street No. 16 101 Patentee before: Guangzhou Haoyun Security Technology Co., Ltd. |