CN202757594U - 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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- CN202757594U CN202757594U CN201220422273.1U CN201220422273U CN202757594U CN 202757594 U CN202757594 U CN 202757594U CN 201220422273 U CN201220422273 U CN 201220422273U CN 202757594 U CN202757594 U CN 202757594U
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Abstract
The utility model 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 utility model relates to field of video monitoring, more particularly, relates to a kind of for unusual sensing device and the camera head that rotates of fixed cameras.
Background technology
Video monitoring system is widely used in the security precautionary measures of every profession and trade at present, uses the most generally as afterwards evidence obtaining use.Because video monitoring system is numerous in the video camera way of many its settings of occasion, manually can't each road image of Real Time Monitoring, and do not need in many cases artificial real-time monitor video picture, but monitored picture is at that time recorded, when occuring, case can have access to video monitoring record at that time.If case does not occur, will can not have access to video or check whether video is normal.Video camera is responsible for gathering and output video image as the video acquisition device in the video monitoring system, and its role in video monitoring system is particularly important.Therefore, when the 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.In case when video camera is rotated or the problem such as destruction when occurring, because operator on duty's carelessness or nobody's Real Time Monitoring video pictures, cause this problem undiscovered for a long time, can't guarantee that video monitoring system normally plays a role, the 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 problems to be solved in the utility model is, when being rotated for the above-mentioned video camera of prior art for a long time undiscovered, can't guarantee the defective that video monitoring system normally plays a role, provide a kind of and can the real-time perception video camera be rotated, guarantee that by unusual video monitoring system normally plays a role for unusual sensing device and the camera head that rotates of fixed cameras.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of for the unusual sensing device that rotates of fixed cameras, described video camera is installed in the 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 the described vertical rod, and the other end enters in the described dust cover by the first through hole that is arranged on the dust cover bottom; Described pick-up unit is installed in the dust cover of described video camera and output signal 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 unusual rotation of fixed cameras described in the utility model, 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 and is used 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 rotational angle when surpassing default angle threshold described receiving tube output signal.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, described rotary connecting device also comprises and is connected and keeps vertical vertical catch with described anti-dazzling screen one end, the one end is connected with the described vertical catch other end and is right angle or obtuse angle adaptive with angle between the described vertical catch, and the one end is connected and keeps vertical spacer with the described adaptive other end; The other end of described spacer is provided with one or more positioning through hole, is provided with locating ring in the described vertical rod, and described spacer is fixed on the described locating ring by described positioning through hole; Angle between described spacer and described adaptive is right angle or obtuse angle; Described vertical catch passes the first through hole.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, the end that described vertical catch is connected with described anti-dazzling screen is provided with the rectangular light hole that is rectangle, and an end of described rectangular light hole is connected with an end of described anti-dazzling screen.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, 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 the described video camera dust cover, also is provided with the rack ventilating hole that is fixed for described pick-up unit on described the first support.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, described pick-up unit also comprises with described the first support and is connected, is used for the binding post of wiring near an end that is provided with rack ventilating hole, and is arranged on the another side of described the first support and away from an end of described binding post, for the reference column that makes described pick-up unit be easy to locate.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, described sensing device also comprises the mounting bracket that is fixed in the described dust cover, and described the first support is fixed on the described mounting bracket by described rack ventilating hole.
In the sensing device for the unusual rotation of fixed cameras described in the utility model, described power valve is near the bar shaped transmitting aperture that is provided with on the side of described receiving tube for the emission light beam, and described receiving tube is near the bar shaped receiver hole that is provided with on the side of described power valve for receiving beam; 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.
Described in the utility model for fixed cameras in the unusual sensing device that rotates, described alarm set comprise audio amplifier or/and the LED electronic display or/and alarming horn or/and sound and light alarm equipment.
The utility model also relates to a kind of camera head, comprises video camera, dust cover, vertical rod and be used for sending the sensing device of warning when video camera is rotated; Described sensing device is above-mentioned in the unusual sensing device that rotates of fixed cameras any one.
Implement of the present utility model for unusual sensing device and the camera head that rotates of fixed cameras, has following beneficial effect: owing to use 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 the 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 the receiving tube, when the angle that is rotated when video camera surpasses default angle (video camera is rotated unusually), receiving tube receives the light that power valve sends, the pick-up unit output signal also is delivered to alarm set with output signal, alarm set with sound or/and written form sends warning; So it can be rotated, guarantees that by unusual video monitoring system normally plays a role by the real-time perception video camera.
Description of drawings
Fig. 1 is that the utility model is for the structural representation at a visual angle of rotary connecting device among the unusual sensing device that rotates of fixed cameras and the camera head embodiment.
Fig. 2 is the structural representation at another visual angle of rotary connecting device among the described embodiment.
Fig. 3 is the structural representation at the another visual angle of rotary connecting device among the described embodiment.
Fig. 4 is the structural representation at a visual angle of pick-up unit among the described embodiment.
Fig. 5 is the structural representation at another visual angle of pick-up unit among the described embodiment.
Fig. 6 installs the structural representation at rear and video camera, dust cover and a visual angle of vertical rod for the unusual sensing device that rotates of fixed cameras among the described embodiment.
Fig. 7 installs the structural representation at rear and video camera, dust cover and another visual angle of vertical rod for the unusual sensing device that rotates of fixed cameras among the described embodiment.
Fig. 8 installs the structural representation at rear and video camera, dust cover and the another visual angle of vertical rod for the unusual sensing device that rotates of fixed cameras among the described embodiment.
Embodiment
Can understand and implement the utility model for the ease of those of ordinary skill in the art, below in conjunction with accompanying drawing the utility model embodiment is described further.
In the sensing device and camera head embodiment of the utility model for the unusual rotation of fixed cameras, above-mentioned video camera (fixed cameras) is installed in the dust cover, dust cover is supported by vertical rod, and this sensing device comprises rotary connecting device, pick-up unit and alarm set; Wherein, an end of rotary connecting device is fixed in the vertical rod, and its other end enters in the dust cover by the first through hole that is arranged on the dust cover bottom; Pick-up unit is installed in the dust cover of video camera and output signal 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, the structural representation of rotary connecting device such as Fig. 1, Fig. 2 and shown in Figure 3, Fig. 1 are the structural representations at a visual angle 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.Such as Fig. 1, Fig. 2 and shown in 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 13 and spacer 14; Wherein, anti-dazzling screen 11 is used for blocking light beam, vertical catch 12 is connected with anti-dazzling screen 11 1 ends and keeps vertical, adaptive 13 1 end are connected with vertical catch 12 other ends and are right angle or obtuse angle with angle between the vertical catch 12, and spacer 14 1 ends are connected with adaptive 13 the other end and keep vertical; Angle between spacer 14 and adaptive 13 is right angle or obtuse angle.It is worth mentioning that, vertical catch 12 and adaptive 13 junction and spacer 14 are equipped with chamfering with adaptive 13 junction, certainly, in the other situation of present embodiment, vertical catch 12 and adaptive 13 junction and spacer 14 also can not arrange chamfering with adaptive 13 junction.
In the present embodiment, the other end of spacer 14 (namely away from adaptive 13 an end) is provided with one or more positioning through hole 141, is provided with locating ring in the vertical rod, and spacer 14 is fixed on the 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 present embodiment, a positioning through hole can be set, and this situation may cause spacer fixing not too firm, but that this situation is fit to perceived accuracy is less demanding but to the occasion of cost sensitivity; Three or more positioning through hole also can be set, and this situation is securely fixed on the locating ring spacer and (asks for an interview Fig. 6, Fig. 7 and Fig. 8, can be described after a while).The end that vertical catch 12 is connected with anti-dazzling screen 11 is provided with the rectangular light hole 121 that is rectangle, and an end of rectangular light hole 121 is connected with an end of anti-dazzling screen 11.
In the present embodiment, the structural representation of pick-up unit as shown in Figure 4, among Fig. 4, pick-up unit 2 comprises power valve 211 and receiving tube 212, wherein, power valve is used for the utilizing emitted light signal, receiving tube is used for receiving optical signals, and specifically, power valve 211 is used for input electrical signal is converted to light signal and launches above-mentioned light signal, receiving tube 212 is used 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.Power valve 211 is near the bar shaped transmitting aperture 214 that is provided with on the side of receiving tube 212 for the emission light beam, and receiving tube 212 is provided be used to the bar shaped receiver hole 215 that receives above-mentioned light beam near on the side of power valve 211; Bar shaped transmitting aperture 214 is connected with the bar shaped receiver hole and is laid respectively at the correspondence position that power valve 211 is connected with receiving tube (being midline position in the present embodiment) and away from an end that is connected with the first support 21, bar shaped transmitting aperture 214 and bar shaped receiver hole 215 (being on the same level face in the present embodiment) 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 emissions, can make like this bar shaped receiver hole 215 fully receive the light beam of bar shaped transmitting aperture 214 emissions; Certainly, in the other situation of 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 emissions, and this situation is fit to the occasion not high to accuracy requirement.In the present embodiment, power valve 211 and receiving tube 212 mutual close sides are called medial surface, with power valve 211 and receiving tube 212 mutually away from the side be called lateral surface, then 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 present embodiment, power valve 211 and receiving tube 212 also can be other shapes, such as cylindric, prism-shaped etc., but in this case, may cause the bar shaped receiver hole can not fully receive the light beam of bar shaped transmitting aperture emission, 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 for its 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 the dust cover (asking for an interview Fig. 8), also is provided with on the first support 21 for the rack ventilating hole 213 that pick-up unit 2 is fixed, and the first support 21 is fixed by rack ventilating hole 213 with screw.Binding post 22 is connected and is used for wiring with the first support 21 near an end that is provided with rack ventilating hole 213, reference column 23 be 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 an end of binding post 22, be used for making pick-up unit 2 to be easy to location (locate at mounting bracket, describe after a while).
Fig. 5 is the structural representation at pick-up unit 2 another visual angles in the present embodiment, can directly find out the spatial relation between the first support 21, power valve 211, receiving tube 212, binding post 22 and the reference column 23 from Fig. 5.Reference column 23 near an end of the first supports 21 be cylindric, be round table-like away from an end of the first support 21.Certainly, in the other situation of 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 the dust cover, specifically be exactly to be fixed on the mounting base of rear end in the dust cover, the first support 21 is fixed on the mounting bracket 62 by rack ventilating hole 213 and reference column 23 and (sees also Fig. 8).
Structural representation such as Fig. 6, the Fig. 7 and shown in Figure 8 of and video camera, dust cover and vertical rod rear for the unusual sensing device installation of rotating of fixed cameras in the present embodiment, Fig. 6 installs the structural representation at rear and video camera, dust cover and a visual angle of vertical rod for the unusual sensing device that rotates of fixed cameras; Fig. 7 is the structural representation at after installing for the unusual sensing device that rotates 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 unusual sensing device that rotates of fixed cameras and video camera, dust cover and the another visual angle of vertical rod.Such as Fig. 6, Fig. 7 and shown in Figure 8, video camera 73 is installed in the dust cover, dust cover comprises dust cover loam cake 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 loam cake 41 is connected with the other end of dust cover bottom 44.For the present embodiment, video camera 73 is installed on the video camera mounting plate 72 on the dust cover bottom 44, and front end installing plate 71 is connected with the dust cover bottom with dust cover loam cake 41 respectively and is connected.Dust cover bottom 44 is supported by vertical rod 32, and an end of vertical rod 32 is connected with mounting seat 31, and its other end is connected with an end of universal joint 36, is provided with locating ring 33 in the vertical rod 32, and locating ring 33 is fixed in the vertical rod 32 by set screw 34; The other end of universal joint 36 be connected in order to the supporting seat that holds dust cover bottom 44, 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 present embodiment, the first through hole also can be other shapes, for example: square.
In the present embodiment, pick-up unit 2 is installed on the mounting base 61 of rear end in the dust cover (the rear end here is the end near the 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 the locating ring 33 by trip bolt 35 by positioning through hole 141, and described vertical catch 12 passes the first through hole.In the other situation of present embodiment, pick-up unit also can be installed in video camera dust cover Inner Front End (the front end here is the end near the 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 blocking whole light beams, when video camera is rotated and rotational angle when surpassing 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 with input electrical signal (input current) at power valve 211 and launches light beam, the bar shaped receiver hole 215 of receiving tube 212 receives the light beam of bar shaped transmitting aperture 214 emissions, and receiving tube 212 is according to the strong and weak of the light (light beam) that receives or have unmatchful target object to survey.Pick-up unit 2 is a kind of electricity-light-power conversion device take light as the 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 the 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 the receiving tube, the bar shaped receiver hole does not receive the light beam of bar shaped transmitting aperture emission, and at this moment pick-up unit 2 can output signal, shows the video camera normal operation.In the horizontal direction rotational angle threshold value and vertical direction rotational angle threshold value have been preseted in the present embodiment, when the angle that is rotated in the horizontal direction when video camera surpasses horizontal direction rotational angle threshold value, the bar shaped receiver hole receives the light beam by the emission of bar shaped transmitting aperture, pick-up unit 2 output signals also are sent to alarm set with this output signal, alarm set with sound or/and written form sends warning, in order to remind the operator on duty in time to take the effective precautionary measures.Equally, when the angle that is rotated at vertical direction when video camera surpasses vertical direction rotational angle threshold value, the bar shaped receiver hole receives the light beam by the emission of bar shaped transmitting aperture, pick-up unit 2 output signals also are sent to the alarm set (not shown) with this output signal, alarm set with sound or/and written form sends warning, in order to remind the operator on duty in time to take the effective precautionary measures.Output signal when the rotational angle of its horizontal direction of video camera is spent above 2, output signal when the rotational angle of its vertical direction of video camera is spent above 5 also is 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 in the horizontal direction surpasses 2 when spending, then video camera rotates unusually, pick-up unit 2 output signals, and when video camera surpasses 5 when spending at the rotational angle of vertical direction, then video camera rotates unusually, pick-up unit 2 output signals.In other words, when video camera worked, pick-up unit 2 did not have signal output, when video camera is rotated and rotational angle when surpassing default angle threshold, and pick-up unit 2 output signals, and output signal passed to alarm set.So should can be rotated, guaranteed by unusual that video monitoring system normally played a role by the real-time perception video camera for the unusual sensing device that rotates of fixed cameras.
In the other situation of 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 also being horizontal direction rotational angle threshold value is set to different values with vertical direction rotational angle threshold value with concrete condition different.For example: the horizontal direction rotational angle threshold value that arranges as the case may be is 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 above 3, the pick-up unit output signal; When the rotational angle of its vertical direction of video camera is spent above 6, the pick-up unit output signal.As long as the pick-up unit output signal, just this output signal is sent to alarm set, alarm set with sound or/and written form sends warning.
Present embodiment also relates to a kind of camera head, comprises video camera, dust cover, vertical rod and be used for sending the sensing device of warning when video camera is rotated; Described sensing device is the above-mentioned sensing device for the unusual rotation of fixed cameras in the present embodiment.Should be noted in the discussion above that video camera is installed in the dust cover, dust cover is supported by vertical rod.
In a word, in the present embodiment, comprise rotary connecting device and pick-up unit for the unusual sensing device that rotates of fixed cameras, rotary connecting device is fixed on the locating ring, locating ring is fixed in the video camera vertical rod, the effect of rotary connecting device is when (namely surpassing default angle threshold) outside the scope that video camera is rotated and rotational angle is being set, and is used for detection trigger device (being the pick-up unit output signal); Pick-up unit is installed in the video camera dust cover, alarm set comprise audio amplifier or/and the LED electronic display or/and alarming horn or/and sound and light alarm equipment, be used for the output signal of receiving detection device and with sound or/and the form of literal is reminded the operator on duty, in order in time take the effective precautionary measures.Thereby find that in time video camera is rotated, and remind the related personnel in time to process, guarantee that video monitoring system plays a role normally.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. one kind for the unusual sensing device that rotates of fixed cameras, and described video camera is installed in the 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 the described vertical rod, and the other end enters in the described dust cover by the first through hole that is arranged on the dust cover bottom; Described pick-up unit is installed in the dust cover of described video camera and output signal 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.
2. according to claim 1 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, 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 and is used 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 rotational angle when surpassing default angle threshold described receiving tube output signal.
3. according to claim 2 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, described rotary connecting device also comprises and is connected and keeps vertical vertical catch with described anti-dazzling screen one end, the one end is connected with the described vertical catch other end and is right angle or obtuse angle adaptive with angle between the described vertical catch, and the one end is connected and keeps vertical spacer with the described adaptive other end; The other end of described spacer is provided with one or more positioning through hole, is provided with locating ring in the described vertical rod, and described spacer is fixed on the described locating ring by described positioning through hole; Angle between described spacer and described adaptive is right angle or obtuse angle; Described vertical catch passes the first through hole.
4. according to claim 3 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, the end that described vertical catch is connected with described anti-dazzling screen is provided with the rectangular light hole that is rectangle, and an end of described rectangular light hole is connected with an end of described anti-dazzling screen.
5. according to claim 4 for the unusual sensing device that rotates 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 the described video camera dust cover, also is provided with the rack ventilating hole that is fixed for described pick-up unit on described the first support.
6. according to claim 5 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, described pick-up unit also comprises with described the first support and is connected, is used for the binding post of wiring near an end that is provided with rack ventilating hole, and is arranged on the another side of described the first support and away from an end of described binding post, for the reference column that makes described pick-up unit be easy to locate.
7. according to claim 6 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, described sensing device also comprises the mounting bracket that is fixed in the described dust cover, and described the first support is fixed on the described mounting bracket by described rack ventilating hole.
8. according to claim 7 for the unusual sensing device that rotates of fixed cameras, it is characterized in that, described power valve is near the bar shaped transmitting aperture that is provided with on the side of described receiving tube for the emission light beam, and described receiving tube is near the bar shaped receiver hole that is provided with on the side of described power valve for receiving beam; 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.
9. any one is described according to claim 1-8 is characterized in that for the unusual sensing device that rotates of fixed cameras, described alarm set comprise audio amplifier or/and the LED electronic display or/and alarming horn or/and sound and light alarm equipment.
10. a camera head is characterized in that, comprises video camera, dust cover, vertical rod and be used for sending the sensing device of warning when video camera is rotated; Described sensing device is that claim 1 to 9 any one is described for the unusual sensing device that rotates of fixed cameras.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422273.1U CN202757594U (en) | 2012-08-24 | 2012-08-24 | Abnormal revolution sensing device for fixed camera and camera device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422273.1U CN202757594U (en) | 2012-08-24 | 2012-08-24 | Abnormal revolution sensing device for fixed camera and camera device |
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| Publication Number | Publication Date |
|---|---|
| CN202757594U true CN202757594U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220422273.1U Withdrawn - After Issue CN202757594U (en) | 2012-08-24 | 2012-08-24 | Abnormal revolution sensing device for fixed camera and camera device |
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| CN (1) | CN202757594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798358A (en) * | 2012-08-24 | 2012-11-28 | 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 |
| CN109143736A (en) * | 2018-09-13 | 2019-01-04 | 襄阳市雄狮光电科技有限公司 | A kind of anti-high-low temperature difference camera lens |
-
2012
- 2012-08-24 CN CN201220422273.1U patent/CN202757594U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798358A (en) * | 2012-08-24 | 2012-11-28 | 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 |
| CN109143736A (en) * | 2018-09-13 | 2019-01-04 | 襄阳市雄狮光电科技有限公司 | A kind of anti-high-low temperature difference camera lens |
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