CN105721747A - Monitoring camera - Google Patents

Monitoring camera Download PDF

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Publication number
CN105721747A
CN105721747A CN201610054065.3A CN201610054065A CN105721747A CN 105721747 A CN105721747 A CN 105721747A CN 201610054065 A CN201610054065 A CN 201610054065A CN 105721747 A CN105721747 A CN 105721747A
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CN
China
Prior art keywords
air
guide member
air guide
cavity
fan
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Granted
Application number
CN201610054065.3A
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Chinese (zh)
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CN105721747B (en
Inventor
彭继平
曾文辉
池善久
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201610054065.3A priority Critical patent/CN105721747B/en
Publication of CN105721747A publication Critical patent/CN105721747A/en
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Publication of CN105721747B publication Critical patent/CN105721747B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/55Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)

Abstract

The invention relates to the technical field of communication, in particular to a monitoring camera. Hot air in the monitoring camera can be always blown towards window glass over against a core window, so that the window glass over against the core window is prevented from fogging, or dissipation of fog on the window glass over against the core window can be accelerated. The monitoring camera provided by the embodiment of the invention comprises a core assembly, the window glass, a first air guide part, a heater and a first fan, wherein the first air guide part is fixedly arranged on the periphery of the core assembly; the first air guide part is provided with a first air inlet; the first air guide part is provided with a first air outlet in a position over against the core window; an air outlet side of the first fan faces a coverage area of the first air inlet during rotation of the first air guide part; the heater is used for heating air current on the air outlet side of the first fan; and the first air guide part is used for rotating driven by the core assembly, and guiding heated air current from the first air inlet to the first air outlet.

Description

A kind of CCTV camera
Technical field
The present invention relates to communication technical field, particularly relate to a kind of CCTV camera.
Background technology
Outdoor video monitoring device is varied; there are a machine, gunlock, ball machine, hemisphere machine etc.; various video monitoring equipments all include cartridge assemblies and protective cover; described protective cover is used for protecting cartridge assemblies from damage; the lower section of protective cover is generally sight glass; camera lens in cartridge assemblies is through sight glass picked-up external image, thus reaching the purpose of monitoring;In video monitoring equipment operation process, along with climate change (such as: rain, snow) cause air humidity to increase, protective cover interior humidity also increases therewith, owing to the cartridge assemblies of video monitoring equipment can produce certain heat in the running, thus when mercury dropped, can because inside and outside the temperature difference forms water smoke relatively greatly on the inwall of sight glass, the camera lens making cartridge assemblies cannot obtain image clearly because of the water smoke on sight glass or frosting, effect sight glass being absorbed to image can affect to some extent, thus reduce the supervision effect of video monitoring equipment.
In prior art, generally adopt with the following method described video monitoring equipment is carried out remove mist: first method is: sight glass plated surface conduction indium tin oxide target or on sight glass, set up heater strip, the inside and outside temperature difference of sight glass is reduced, thus reducing the phenomenon that hazes by the spontaneous heating of sight glass;Owing to sight glass is generally the material that the heat conductivity such as glass or plastics is poor, when being heated by heater strip, causing temperature distributing disproportionation that sight glass is easily broken, plating conductive material on sight glass can affect the transparency of transparent ball cover, thus affecting shooting effect.Second method is: set up semiconductor refrigerating module inside protective cover, by freezing the condensate moisture in air to discharge outside transparent ball cover, thus reducing the air humidity within sight glass, it is prevented that haze;Adopt the method technical costs higher, it is necessary to extra electric current is controlled, and needs designing and arranging water hole, is unfavorable for the waterproofing protection of video camera.The third method is increase fan and heater inside described protective cover, carries out removing mist strengthening hot wind flow;Concrete, referring to Fig. 1, described video camera includes protective cover 7, cartridge assemblies 1, the lower section of described protective cover 7 is sight glass 2, described cartridge assemblies 1 is arranged near described sight glass 2, the inwall of described protective cover 7 is provided with fan 42 and heater 41, the internal gas flow of this protective cover 7 flows along the space between described cartridge assemblies 1 and sight glass 2 when fan 42 works, air-flow and heater 41 carry out heat exchange and form hot blast, to reduce the sight glass inside and outside temperature difference, reach the purpose of fog proofing;But, when described video camera is ball machine, camera lens in cartridge assemblies 1 is towards constantly changing, it is high that sight glass there will be subregion temperature, the phenomenon that subregion temperature is low, therefore, when the camera lens in cartridge assemblies 1 is towards the region that temperature is relatively low, still there will be video camera and cannot clearly be obtained the phenomenon of monitored space area image by sight glass 2.
Summary of the invention
Present invention is primarily targeted at, it is provided that a kind of CCTV camera.In described CCTV camera hot blast can blow to described movement form just to sight glass, avoid movement form just to sight glass haze or accelerate described movement form just to sight glass fog dissipate such that it is able to by sight glass clearly obtain monitoring region image.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
First aspect, the embodiment of the present invention provides a kind of CCTV camera, including:
Cartridge assemblies, described cartridge assemblies includes movement form;It is arranged on the sight glass that described cartridge assemblies is peripheral;It is fixedly installed on the first air guide member that described cartridge assemblies is peripheral, gap is all left between described first air guide member and described cartridge assemblies and described sight glass, described first air guide member offers the first air inlet, the position of described movement form is just offered the first air outlet by described first air guide member;Heating module, described heating module includes heater and the first fan;The overlay area of the first air inlet when the air side of described first fan is towards described first air guide member rotation;Described heater is for heating the air-flow of the air side of described first fan, and described first air guide member for rotating under the drive of described cartridge assemblies, and from described first air inlet, the air-flow after heating is guided to described first air outlet.
By arranging the first air guide member, owing to described first air guide member can rotate with described cartridge assemblies, air-flow after being heated by heater can be guided to the first air outlet from the first air inlet by described first air guide member, owing to described movement form is just arranged by described first air outlet, therefore, when described first air guide member rotates with described cartridge assemblies, air-flow after described heating all the time can through described first air outlet blow to described movement form just to sight glass, it is thus possible to described movement form just to sight glass heating to prevent from hazing or carry out removing mist, and then make described movement form can clearly be obtained the image in monitoring region by described sight glass, improve monitoring effect.
In conjunction with first aspect, in the first possible implementation, described CCTV camera also includes: for the head assembly driving described cartridge assemblies to rotate;Described head assembly includes: be arranged on the centrifugal disc above described cartridge assemblies, two cantilevers of setting are downwardly extended from described centrifugal disc, and for supporting the support of described cartridge assemblies, described support is rotationally connected by horizontal rotating shaft and said two cantilever, and described centrifugal disc is used for driving described cartridge assemblies to horizontally rotate;Described support for driving described cartridge assemblies at the rotation with in surface being perpendicular to described horizontal rotating shaft under the drive of described horizontal rotating shaft.
By arranging head assembly so that described movement form can horizontally rotate under the drive of described cantilever, the image in the monitoring region to absorb in horizontal direction 360 degree, the image monitoring region in vertical direction can be obtained under the drive of described horizontal rotating shaft.
The first possible implementation in conjunction with first aspect, in the implementation that the second is possible, described CCTV camera also includes the second air guide member downwardly extending setting from the edge of described centrifugal disc, the outer surface of described first air guide member, the second air guide member and described centrifugal disc enclose the first cavity, the second air guide member in described first cavity is provided with the second air inlet, described first fan is arranged on described second air inlet, and described heater is arranged in described first cavity;Described second air guide member is provided with the opening corresponding with the movement locus of described movement form, during described first air guide member vertical rotation, described second air guide member is used for the air flow guiding after the heating in described first cavity to the first air inlet, and makes the air-flow after heating directly be blowed to described sight glass by described opening all the time.
By arranging the second air guide member, can by the air flow guiding of described first fan air side to the first air inlet, and when described first air guide member rotates, ensure that the air-flow after heating is when described first air guide member is guided to the first air outlet, air-flow after heating can directly blow to described sight glass all the time, when described cartridge assemblies is rotated, described movement form can pass through the image in sight glass picked-up monitoring region all the time.
In conjunction with the implementation that the second of first aspect is possible, in the third possible implementation, described first air guide member includes first port vertical with described horizontal rotating shaft and the second port, during described first air guide member vertical rotation, described second air guide member is all the time by described first port and described second port closure.
By arranging the first port and the second port, it is possible to save the material of described first air guide member, and ensure that described first air guide member and described second air guide member enclose closed cavity so that the air-flow after heating is guided to described first air outlet.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described centrifugal disc is metal material, and described heater contacts setting with described centrifugal disc.
Heat can be dispersed in described first cavity by described centrifugal disc by described heater, improves heats, thus the air-flow of the air side of described first fan is carried out quick heat exchange.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, described cartridge assemblies when described horizontal rotating shaft vertical rotation, described movement form towards the angle between horizontal plane be 0-120 degree.
The 5th kind of possible implementation in conjunction with first aspect, in 6th kind of possible implementation, described centrifugal disc in described first cavity is additionally provided with Temperature Humidity Sensor and controls module, described control module is connected with described first fan, heater and Temperature Humidity Sensor respectively, described Temperature Humidity Sensor is for obtaining the humiture information of the air-flow in described first cavity, and described humiture information is sent to described control module, described control module is for being turned on or off according to preset mode described first fan of control, described heater.
The 6th kind of possible implementation in conjunction with first aspect, in 7th kind of possible implementation, described centrifugal disc is additionally provided with the first veneer electrically connected with described control module, the first fan and heater respectively, described first veneer is fixed on the lower section of described centrifugal disc by heat conductive pad, and is positioned at described first cavity.
Heat can be diffused in described first cavity by described first veneer through described centrifugal disc, is conducive to the heat exchange of air-flow, and can accelerate the heat radiation of described first veneer, extends the service life of described first veneer.
The 7th kind of possible implementation in conjunction with first aspect, in 8th kind of possible implementation, described CCTV camera also includes being arranged on the cover assembly above described sight glass, and it is arranged on the lumen assembly between described cover assembly and described sight glass, described lumen assembly and described cover assembly enclose the second cavity, described lumen assembly and described sight glass enclose the 3rd cavity, described head assembly is fixed on the lower section of described lumen assembly by fixed support, described lumen assembly offers the first air vent and the second air vent that connect described second cavity and the 3rd cavity, the position that arranges of described first air vent is provided with the second fan, described second fan is positioned at described 3rd cavity, described second air vent is arranged away from described first air vent.
By arranging lumen assembly, described video camera inner space is divided into the second cavity and the 3rd cavity by described lumen assembly, and the second fan is set and connects the first air vent and second air vent of described second cavity and the 3rd cavity, make the air-flow can at described second cavity and the 3rd cavity internal recycle, and accelerate the flowing velocity of air-flow, all releasing heat during each device work internal due to described CCTV camera, therefore, the flowing velocity accelerating air-flow can accelerate heat radiation.
The 8th kind of possible implementation in conjunction with first aspect, in 9th kind of possible implementation, described lumen assembly is metal material, and on the lumen assembly in described 3rd cavity, also contact is provided with the second veneer, and described second veneer electrically connects with described first veneer and the second fan.
By arranging the second veneer, described second veneer can provide electric energy for described second fan work, and is dispelled the heat by described lumen assembly, extends the service life of described second veneer, accelerates heat radiation so that the gas flow temperature in the 3rd cavity is more uniformly distributed.
The embodiment of the present invention provides a kind of CCTV camera, by arranging the first air guide member offering the first air inlet and the first air outlet in described cartridge assemblies periphery, described first air guide member can be rotated with described cartridge assemblies, and by the air side of the first fan towards described first air guide member rotate time the first air inlet overlay area arrange, described heater is for heating the air-flow of described first fan air side, air-flow is made to become hot blast before entering described first air inlet, hot blast enters described first air guide member through described first air inlet, and it is guided to the first air outlet by described first air guide member, owing to described movement form is just arranged by described first air outlet, therefore, when described first air guide member rotates with described cartridge assemblies, air-flow after described heating all the time can through described first air outlet blow to described movement form just to sight glass, it is thus possible to described movement form just to sight glass heat to prevent from hazing or carrying out antifogging, and then make described movement form can clearly be obtained the image in monitoring region by described sight glass, improve monitoring effect.Overcoming sight glass regional temperature difference in prior art makes subregion still there will be the phenomenon that hazes, so that still cannot clearly obtain the defect of monitored space area image when movement form turns to and hazes region.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The perspective view of a kind of CCTV camera that Fig. 1 provides for prior art;
The profile of a kind of CCTV camera that Fig. 2 provides for the embodiment of the present invention;
The exploded view of a kind of CCTV camera that Fig. 3 provides for the embodiment of the present invention;
A kind of profile increasing by the second air guide member based on Fig. 2 that Fig. 4 provides for the embodiment of the present invention;
The another kind that Fig. 5 provides for the embodiment of the present invention increases the profile of the second air guide member based on Fig. 2;
A kind of profile increasing lumen assembly based on Fig. 2 that Fig. 6 provides for the embodiment of the present invention;
The schematic diagram of a kind of lumen assembly that Fig. 7 provides for the embodiment of the present invention;
The exploded view of the another kind of CCTV camera that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is arranged on the schematic diagram of described cover assembly upper surface for a kind of 3rd veneer that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.In describing the invention, except as otherwise noted, " multiple " are meant that two or more.
The embodiment of the present invention provides a kind of CCTV camera, referring to Fig. 2, including:
Cartridge assemblies 1, described cartridge assemblies 1 includes movement form 11;It is arranged on the sight glass 2 of described cartridge assemblies 1 periphery;It is fixedly installed on the first air guide member 3 of described cartridge assemblies 1 periphery, gap is all left between described first air guide member 3 and described cartridge assemblies 1 and described sight glass 2, described first air guide member 3 offers the first air inlet 31, the position of described movement form 11 is just offered the first air outlet 32 by described first air guide member 3;Heating module 4, described heating module 4 includes heater 41 and the first fan 42;The air side of described first fan 42 towards described first air guide member 3 rotate time the first air inlet 31 overlay area;Described heater 41 is for heating the air-flow of the air side of described first fan 42, and described first air guide member 3 for rotating under the drive of described cartridge assemblies 2, and from described first air inlet 31, the air-flow after heating is guided to described first air outlet 32.
The embodiment of the present invention provides a kind of CCTV camera, by offering the first air guide member 3 of the first air inlet 31 and the first air outlet 32 in the peripheral setting of described cartridge assemblies 1, described first air guide member 3 can be rotated with described cartridge assemblies 2, and by the air side of the first fan 42 towards described first air guide member 3 rotate time the first air inlet 31 overlay area arrange, described heater 41 is for heating the air-flow of described first fan 42 air side, air-flow is made to become hot blast before entering described first air inlet 31, hot blast enters described first air guide member 3 through described first air inlet 31, and it is guided to the first air outlet 32 by described first air guide member 3, owing to described movement form 11 is just arranged by described first air outlet 32, therefore, when described first air guide member 3 rotates with described cartridge assemblies 2, air-flow after described heating all the time can through described first air outlet 32 blow to described movement form 11 just to sight glass 2, it is thus possible to described movement form 11 just to sight glass 2 heat to prevent from hazing or carrying out antifogging, and then make described movement form 11 can clearly be obtained the image in monitoring region by described sight glass 2, improve monitoring effect.Overcoming sight glass regional temperature difference in prior art makes subregion still there will be the phenomenon that hazes, so that still cannot clearly obtain the defect of monitored space area image when movement form turns to and hazes region.
Wherein, the shape of described first air guide member 3 is not limited.As long as described first air guide member 3 is fixed on described cartridge assemblies 1 peripheral, entering the air-flow described first air guide member 3 within through described first air inlet 31 can Clearance Flow extremely described first air outlet 32 between described first air guide member 3 and described cartridge assemblies 1.
Exemplary, when described cartridge assemblies 1 is rectangular structure, described first air guide member 3 can be the spherical shell being external in described cartridge assemblies 1 periphery, it is also possible to for polyhedral structure.
Wherein, the rotary motion trace of the movement form 11 of described cartridge assemblies 1 not being limited, described movement form 11 can rotate with any track, so that described movement form 11 absorbs the image in required monitoring region in rotation process.
In one embodiment of the invention, referring to Fig. 3, described CCTV camera also includes: for the head assembly 5 driving described cartridge assemblies to rotate;Described head assembly 5 includes: be arranged on the centrifugal disc 51 above described cartridge assemblies 1, two cantilevers 52 of setting are downwardly extended from described centrifugal disc 51, and for supporting the support (not shown) of described cartridge assemblies 1, described support is rotationally connected by horizontal rotating shaft 53 and said two cantilever 52, and described centrifugal disc 51 is used for driving described cartridge assemblies 1 to horizontally rotate;Described support for driving described cartridge assemblies 1 vertical rotation in the plane being perpendicular to described horizontal rotating shaft 53 under the drive of described horizontal rotating shaft 53.
Wherein, to described centrifugal disc 51 horizontally rotate and the specific implementation of vertical rotation of horizontal rotating shaft 53 does not limit.
Exemplary, when described head assembly 5 is fixed in described video camera, can at the triangle fixed support installed above of described centrifugal disc 51, described head assembly 5 is fixed in described video camera upper body by this triangle fixed support, described centrifugal disc 51 is rotatably connected with described triangle fixed support, being fixedly installed horizontal drive motor on described centrifugal disc 51, this horizontal drive motor can drive described centrifugal disc 51 to horizontally rotate around described triangle fixed support;Can arranging vertical driving motor on described cantilever 52, this vertical driving motor is connected by belt with described horizontal rotating shaft 53, and this vertical driving motor can drive this horizontal rotating shaft 53 vertical rotation.
By arranging head assembly 5, described movement form 11 can horizontally rotate under the drive of described cantilever 52, the image in the monitoring region to absorb in horizontal direction 360 degree, can obtain the image monitoring region in vertical direction under the drive of described horizontal rotating shaft 53.Such as, when described centrifugal disc 51 does not rotate, described movement form 11 can rotate under the drive of horizontal rotating shaft 53 in the first vertical plane, and when described centrifugal disc 51 rotates, described movement form 11 can rotate under the drive of horizontal rotating shaft 53 in any one vertical plane, thus realizing multi-angle picked-up monitoring image.
Wherein, it should be noted that, due to the first fan 42 air side towards described first air guide member 3 rotate time described in the overlay area of the first air inlet 31, but, air-flow comparatively disperses in flow process, it is difficult to ensure that air-flow becomes plume to described first air inlet 31 so that the current rate blowing to described sight glass 2 through described first air outlet 32 is more weak, it is prevented that haze and remove the DeGrain of mist.
In one embodiment of the invention, referring to Fig. 3, Fig. 4 and Fig. 5, described CCTV camera also includes the second air guide member 6 downwardly extending setting from the edge of described centrifugal disc 51, the outer surface of described first air guide member 3, the second air guide member 6 enclose the first cavity A with described centrifugal disc 51, the second air guide member 6 in described first cavity A is provided with the second air inlet 61, described first fan 42 is arranged on described second air inlet 61 place, and described heater 41 is arranged in described first cavity A;Described second air guide member 6 is provided with the opening 62 corresponding with the movement locus of described movement form 11, during described first air guide member 3 vertical rotation, described second air guide member 6 is used for the air flow guiding after the heating in described first cavity A to the first air inlet 31, and makes the air-flow after heating directly be blowed to described sight glass 2 by described opening 62 all the time.
By arranging the second air guide member 6, can the air-flow of the air side of the first fan 42 be gathered in the first cavity A, and by air flow guiding to described first air guide member 3, it is ensured that through the current rate of described first air outlet 32 blowout, thus preventing from hazing or improve the effect except mist;Further, owing to described second air guide member 6 being additionally provided with the opening 62 corresponding with the movement locus of described movement form 11, therefore, when described first air guide member 3 rotates, described first air outlet 32 all the time by described opening 62 towards described sight glass 2 so that described movement form 11 can pass through the image in sight glass 2 picked-up monitoring region all the time.
In another embodiment of the present invention, described first air guide member 3 includes the first port (not shown) vertical with described horizontal rotating shaft 53 and the second port (not shown), during described first air guide member 3 vertical rotation, described first port and the second port are blocked by described second air guide member 6 all the time.
By arranging the first port and the second port, it is possible to save the material of described first air guide member 3, and ensure that described first air guide member 3 and described second air guide member 6 enclose closed cavity so that the air-flow after heating can be guided to described first air outlet 32.
Wherein, the position that arranges of described heater 41 not being limited, described heater 41 can be arranged on any position in described first cavity A.
In one embodiment of the invention, described centrifugal disc 51 is metal material, and described heater 41 contacts setting with described centrifugal disc 51.
In embodiments of the present invention, described heater 41 can transfer heat to described centrifugal disc 51, and described centrifugal disc 51 is metal material, and heat transfer property is better, therefore, it is possible to the air-flow quickly passed to by heat in described first cavity A, accelerates heat transfer rate.
Wherein, to described movement form 11 vertical rotation picked-up image range time does not limit.
In one embodiment of the invention, described cartridge assemblies 1 when described horizontal rotating shaft 53 vertical rotation, described movement form 11 towards the angle between horizontal plane be 0-120 degree.
In another embodiment of the present invention, described centrifugal disc 51 in described first cavity A is additionally provided with Temperature Humidity Sensor (not shown) and controls module (not shown), described control module respectively with described first fan 42, heater 41 and Temperature Humidity Sensor connect, described Temperature Humidity Sensor is for obtaining the humiture information of the air-flow in described first cavity A, and described humiture information is sent to described control module, described control module is for being turned on or off according to preset mode described first fan 42 of control and described heater 41.
In embodiments of the present invention, open when described control module controls described first fan 42, when described heater 41 cuts out, under the blowing of described first fan 42, the exchange of the first cavity A outer gas stream and internal gas flow can be accelerated, so that described Temperature Humidity Sensor accurately can quickly detect humiture, such as, when snowing or rain in the external world, when temperature reduces, pass through air current flow, described Temperature and Humidity device can detect in time, and transmit a signal to controller, enable the controller to open defogging mode in time carry out removing mist, concrete, described controller controls described heater 41 and opens, heater 41 heating is made to enter the air-flow in described first cavity A, so that air-flow can through described first air guide member 3 and the second air guide member 6 water conservancy diversion blow to described first air outlet 32 just to sight glass 2, and then can prevent described sight glass 2 from hazing in time or carry out antifogging in time.
In one embodiment of the invention, described centrifugal disc 51 is additionally provided with the first veneer (not shown) electrically connected with described control module, the first fan 42 and heater 41 respectively, described first veneer is fixed on the lower section of described centrifugal disc 51 by heat conductive pad, and is positioned at described first cavity A.
By described first veneer is arranged on below described centrifugal disc 51, electric power can be provided for the work of described control module, the first fan 42 and heater 41, and, described first veneer can rotate with described centrifugal disc 51, therefore, when first veneer rotates together with described control module, the first fan 42 and heater 41, the first veneer and described control module, connecting line between the first fan 42 and heater 41 will not be wound around;Further, the heat that described first veneer produces can conduct heat through described centrifugal disc 51, it is possible to increase heat transfer rate and heat-transfer effect, it is possible to carry out heat exchange further with the air-flow in described first cavity A, improves the temperature of air-flow.
In another embodiment of the present invention, referring to Fig. 6 and Fig. 7, described CCTV camera also includes being arranged on the cover assembly 7 above described sight glass 2, and it is arranged on the lumen assembly 8 between described cover assembly 7 and described sight glass 2, described lumen assembly 8 encloses the second cavity B with described cover assembly 7, described lumen assembly 8 encloses the 3rd cavity C with described sight glass 2, described head assembly 5 is fixed on the lower section of described lumen assembly 8 by fixed support, described lumen assembly 8 offers the first air vent 81 and the second air vent 82 connecting described second cavity B and the three cavity C, the position that arranges of described first air vent 81 is provided with the second fan 83, described second fan 83 is positioned at described 3rd cavity C, described second air vent 82 is arranged away from described first air vent 81.
In embodiments of the present invention, by increasing lumen assembly 8, described CCTV camera inner space can be divided into the second cavity B and the three cavity C, and by offering the first air vent 81 and the second air vent 82 on described lumen assembly 8, at this first air vent 81 place, the second fan 83 is set, when this second fan 83 is opened, air-flow in described second cavity B can pass through the first air vent 81 and enter in the 3rd cavity C, air-flow in described 3rd cavity C can enter described second cavity B through described second air vent 82, circulating of air blast can be added, it is thus possible to strengthen the heat radiation of the 3rd cavity C, owing to described first cavity A is positioned at described 3rd cavity C, when the first fan 42 in described first cavity A works, the circulation of air flow between the first cavity A and the three cavity C can be accelerated, it is thus possible to accelerate the heat radiation of the first cavity A, and make the Temperature and Humidity device being positioned at described first cavity A can more quick and precisely detect the humiture change that ambient weather change is caused.
Wherein, described second fan 83 can be connected with described control module, when described Temperature Humidity Sensor detects that the temperature in described first cavity A is too high, when needing to dispel the heat, described control module can be transmitted a signal to, described control module controls described second fan 83 and opens, and strengthens the circulation of air flow flowing of the 3rd cavity C and the second cavity B, thus accelerating heat radiation.
In another embodiment of the present invention, referring to Fig. 8, described lumen assembly 8 is metal material, and on the lumen assembly 8 in described 3rd cavity C, also contact is provided with the second veneer 84, and described second veneer 84 electrically connects with described first veneer and the second fan 83.
In embodiments of the present invention, second veneer 84 can carry out signal transmission (such as with described first veneer, can so that the image transmitting that photographed by described movement form of described first veneer gives the second veneer 84, described second veneer 84 is made to carry out signal transmission with external device), described second veneer 84 can provide electric power for described second fan 82 work, described second veneer 84 is heater members, described second veneer 84 can transfer heat to described lumen assembly 8, accelerate radiating rate, improve radiating effect.
In another embodiment of the present invention, referring to Fig. 8 and Fig. 9, cover assembly 7 inner surface in described second cavity B is metal material, it is additionally provided with the 3rd veneer 71 in described second cavity B, described 3rd veneer 71 contacts setting with the inner surface of described cover assembly 7, described 3rd veneer 71 electrically connects with external device and described second veneer 84 respectively, for carrying out signal transmission with external device and described second veneer 84.
In embodiments of the present invention, by arranging the 3rd veneer 71 in described second cavity B, described 3rd veneer 71 can carry out signal transmission with external device and described second veneer 84, transfer heat to described cover assembly 7 simultaneously, accelerate heat radiation, wherein, external device can be computer, such as, the video signal transmission that camera acquisition can be arrived by described 3rd veneer 71 is to computer, thus realizing monitor in real time;Additionally, described 3rd veneer 71 is arranged on the inner surface of described cover assembly 7, to complete voltage conversion function, and provide network interface for described CCTV camera, by the 3rd veneer 71 is connected with the second veneer 84, it is possible to realize function of surfing the Net, go wrong need to safeguard time, only need cover assembly 7 and lumen assembly 8 are opened and can be realized, easy accessibility.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (10)

1. a CCTV camera, it is characterised in that including:
Cartridge assemblies, described cartridge assemblies includes movement form;
It is arranged on the sight glass that described cartridge assemblies is peripheral;
It is fixedly installed on the first air guide member that described cartridge assemblies is peripheral, gap is all left between described first air guide member and described cartridge assemblies and described sight glass, described first air guide member offers the first air inlet, the position of described movement form is just offered the first air outlet by described first air guide member;
Heating module, described heating module includes heater and the first fan;The overlay area of the first air inlet when the air side of described first fan is towards described first air guide member rotation;
Described heater is for heating the air-flow of the air side of described first fan, and described first air guide member for rotating under the drive of described cartridge assemblies, and from described first air inlet, the air-flow after heating is guided to described first air outlet.
2. CCTV camera according to claim 1, it is characterised in that described CCTV camera also includes: for the head assembly driving described cartridge assemblies to rotate;
Described head assembly includes: be arranged on the centrifugal disc above described cartridge assemblies, two cantilevers of setting are downwardly extended from described centrifugal disc, and for supporting the support of described cartridge assemblies, described support is rotationally connected by horizontal rotating shaft and said two cantilever, and described centrifugal disc is used for driving described cartridge assemblies to horizontally rotate;Described support for driving described cartridge assemblies to be perpendicular to the rotation with in surface of described horizontal rotating shaft under the drive of described horizontal rotating shaft.
3. CCTV camera according to claim 2, it is characterised in that
Described CCTV camera also includes the second air guide member downwardly extending setting from the edge of described centrifugal disc, the outer surface of described first air guide member, the second air guide member and described centrifugal disc enclose the first cavity, the second air guide member in described first cavity is provided with the second air inlet, described first fan is arranged on described second air inlet, and described heater is arranged in described first cavity;
Described second air guide member is provided with the opening corresponding with the movement locus of described movement form, during described first air guide member vertical rotation, described second air guide member is used for the air flow guiding after the heating in described first cavity to the first air inlet, and makes the air-flow after heating directly be blowed to described sight glass by described opening all the time.
4. CCTV camera according to claim 3, it is characterized in that, described first air guide member includes first port vertical with described horizontal rotating shaft and the second port, and during described first air guide member vertical rotation, described second air guide member is all the time by described first port and described second port closure.
5. CCTV camera according to claim 3, it is characterised in that described centrifugal disc is metal material, and described heater contacts setting with described centrifugal disc.
6. CCTV camera according to claim 3, it is characterised in that described cartridge assemblies when described horizontal rotating shaft vertical rotation, described movement form towards the angle between horizontal plane be 0-120 degree.
7. CCTV camera according to claim 3, it is characterised in that
Described centrifugal disc in described first cavity is additionally provided with Temperature Humidity Sensor and controls module, described control module is connected with described first fan, heater and Temperature Humidity Sensor respectively, described Temperature Humidity Sensor is for obtaining the humiture information of the air-flow in described first cavity, and described humiture information is sent to described control module, described control module is for being turned on or off according to preset mode described first fan of control, described heater.
8. CCTV camera according to claim 7, it is characterized in that, described centrifugal disc is additionally provided with the first veneer electrically connected with described control module, the first fan and heater respectively, described first veneer is fixed on the lower section of described centrifugal disc by heat conductive pad, and is positioned at described first cavity.
9. CCTV camera according to claim 1, it is characterized in that, described CCTV camera also includes being arranged on the cover assembly above described sight glass, and it is arranged on the lumen assembly between described cover assembly and described sight glass, described lumen assembly and described cover assembly enclose the second cavity, described lumen assembly and described sight glass enclose the 3rd cavity, described head assembly is fixed on the lower section of described lumen assembly by fixed support, described lumen assembly offers the first air vent and the second air vent that connect described second cavity and the 3rd cavity, the position that arranges of described first air vent is provided with the second fan, described second fan is positioned at described 3rd cavity, described second air vent is arranged away from described first air vent.
10. CCTV camera according to claim 9, it is characterised in that described lumen assembly is metal material, on the lumen assembly in described 3rd cavity, also contact is provided with the second veneer, and described second veneer electrically connects with described first veneer and the second fan.
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