CN102098426B - Temperature control structure for infrared high-speed spherical camera - Google Patents
Temperature control structure for infrared high-speed spherical camera Download PDFInfo
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- CN102098426B CN102098426B CN200910229049.3A CN200910229049A CN102098426B CN 102098426 B CN102098426 B CN 102098426B CN 200910229049 A CN200910229049 A CN 200910229049A CN 102098426 B CN102098426 B CN 102098426B
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Abstract
The invention discloses a temperature control structure for an infrared high-speed spherical camera. The infrared high-speed spherical camera comprises a spherical shell, a camera shell and a connecting shell, wherein the internal space of the connecting shell and the internal space of the camera shell form integer communicated space through a hollow connecting part; a fan is arranged in the connecting shell; and when the camera works, the fan starts to rotate so that the air in the connecting shell and the camera shell flows circularly. A large amount of heat generated by an infrared lamp in the camera shell is taken away by continuously and circularly flowing air, so that the heat of the infrared lamp is dispersed in the internal space of the connecting shell and the camera shell; and heat exchange is performed between the heat of the infrared lamp and the external through the surfaces of the connecting shell and the camera shell, so that the superficial area, for radiating to the external, of the camera is increased, the radiating efficiency of the camera is improved, the working environmental temperature of the camera is reduced effectively, and the working life of the camera and the infrared lamp is prolonged.
Description
Technical field
The present invention relates to the technical field of video camera, that a kind of connected with outer casing and shooting shell form the inner space being communicated with by connecting portion specifically, in connected with outer casing inside, fan is set, make the Air Flow in above-mentioned inner space, thereby change the structure of controlling temperature of the infrared high speed dome camera of camera heat distribution.
Background technology
High-speed dome camera is a kind of intelligent video camera front end, is entirely named as high-speed intelligent ball-shaped camera, or integration high speed ball intelligent sphere, or is called for short quick, is called for short clipping the ball.Clipping the ball is the most complicated and best video camera front end of general performance effect of supervisory control system, can adapt to high density, the most complicated monitoring occasion.
High-speed dome camera is the product that a kind of integrated level is quite high, integrated The Cloud Terrace system, communication system and camera chain, The Cloud Terrace system refers to the rotating part of driven by motor, communication system refers to the control to motor and the processing section to image and signal, and camera chain refers to the all-in-one movement of employing.And between several large systems, what play horizontal connection is a master control core cpu and power unit.Power unit by and each large system between be connected power supply, wherein many places adopt micro-electric current power supply such as diode, triode, and core cpu realizes all functions and normally moves.
Specifically, high-speed dome camera adopts " accurate differential stepping motor " to realize location fast and accurately, the rotation of clipping the ball, and these are all that the instruction of sending by cpu realizes.The image of video camera, function are write into the cpu of clipping the ball, can be realized controlling in The Cloud Terrace by picture transmission out, and can realize the several functions control of video camera, the functions such as such as white balance, shutter, aperture, zoom, focusing simultaneously.
Fig. 1 is the structural representation of the high-speed dome camera of prior art.
As shown in Figure 1, in general high-speed dome camera, spherical shell 1 forms the outward appearance on high-speed dome camera top, and high-speed dome camera is fixed on to installation site, and spherical shell is all generally to adopt aluminium alloy, general two kinds of being divided into again casting and punching press of aluminium alloy.Top Connection Block (not shown) is arranged on spherical shell inner side for the movement of fixing high-speed dome camera is installed, and is provided with the upper insert of signal transmission and power supply use on the Connection Block of top.Translucent cover 3 forms the outward appearance of high-speed dome camera bottom, and translucent cover is formed by PC transparent material pressure injection, can ensure image effect and light transmittance, can also play anti-riot, dustproof effect simultaneously.Movement 4 comprises The Cloud Terrace and is connected to the camera 2 on The Cloud Terrace, movement and top Connection Block fix, be arranged in the space of spherical shell and translucent cover formation, lower insert on movement matches with the upper insert of top Connection Block, between movement and top Connection Block, interfixes by screw or buckle.
Fig. 2 is the structural representation of the infrared high speed dome camera of prior art.
As shown in Figure 2, the camera 2 of infrared high speed dome camera is provided with multiple infrared lamps that are made up of infrared-emitting diode 5 around, in the time that camera is worked, infrared lamp is forwards launched the sightless high wavelength infrared light of naked eyes, after being reflected by object around, infrared light received by camera, and be converted into optical imagery, thereby realize the monitoring camera under night or low-light (level).
Be divided into closely infrared lamp 5a, middle distance infrared lamp 5b and remote infrared lamp 5c around the infrared lamp of camera setting, produce successively the different infrared ray of irradiation distance, due to the power difference of three kinds of different infrared lamps, its calorific capacity is not identical yet.In, the heating of remote infrared lamp is more.Multiple infrared lamps are fixed and are arranged on circuit board, and circuit board is infrared lamp power supply.
But, in prior art as above, there is following not foot point:
In the infrared high speed dome camera of prior art, infrared lamp is directly fixed on circuit board, because circuit board is to cover copper to form on the substrate of insulation, the heat-sinking capability of circuit board itself is very poor, in, the heat that produces of remote infrared lamp cannot disperse timely, thereby make infrared lamp all the time in higher working temperature, can greatly shorten the working life of infrared lamp and camera.For improving the heat-sinking capability available technology adopting metallic circuit carrying infrared lamp of circuit board, but the cost of metallic circuit is too high, promoted the holistic cost of product, and owing to there being equally insulating barrier in metallic circuit, the radiating effect of infrared lamp is significant lifting not.In addition, under low temperature environment, cannot move because the too low meeting of temperature causes camera, limit to the scope of application of video camera.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of connected with outer casing and shooting shell forms the inner space being communicated with by connecting portion, in connected with outer casing inside, fan is set, make the Air Flow in above-mentioned inner space, thereby change the structure of controlling temperature of the infrared high speed dome camera of camera heat distribution.
The technical scheme that the present invention takes for the technical problem existing in solution known technology is:
The structure of controlling temperature of infrared high speed dome camera of the present invention, above-mentioned infrared high speed dome camera comprises: spherical shell, forms the outward appearance on high-speed dome camera top, and high-speed dome camera is fixed on to installation site; Shooting shell, holds, protects also fixing camera and the infrared lamp around camera; Connected with outer casing, be flexibly connected respectively with spherical shell and shooting shell, make camera can be in direction of panorama freely movable, the inner space of connected with outer casing forms by the connecting portion of hollow the space that entirety is communicated with the inner space of shooting shell, in connected with outer casing inside, fan is set, in the time that camera is worked, fan starts to rotate flows the air circulation of connected with outer casing and shooting enclosure.
The present invention can also adopt following technical measures:
Described connected with outer casing inside arranges dividing plate, and the fan of air-out opposite direction is set on dividing plate, and fan is communicated with respectively the upper and lower space of dividing plate, and respectively to air-out above or below dividing plate.
Near at fan arranges electric heater, and when infrared high speed dome camera is in the time that low temperature environment moves, electric heater is started working, and by fan, hot-air being delivered to shooting enclosure is that camera heats up.
Advantage and good effect that the present invention has are:
In the structure of controlling temperature of infrared high speed dome camera of the present invention, connected with outer casing forms by the connecting portion of hollow the space that entirety is communicated with shooting shell, in connected with outer casing inside, fan is set, in the time that camera is worked, fan starts to rotate flows the air circulation of connected with outer casing and shooting enclosure.Take away by the air constantly circulating the amount of heat that in shooting shell, infrared lamp produces, by the spread heat of infrared lamp connected with outer casing and shooting shell inner space in, and carry out exchange heat by surface and the external world of connected with outer casing and shooting shell, thereby increase the surface area of video camera to external world's heat radiation, improve the heat dissipation of video camera, effectively reduce the operating ambient temperature of camera, extended the working life of camera and infrared lamp.Due to two fans that air-out direction is contrary being set in connected with outer casing inside, connected with outer casing and the air of shooting in shell can be along fixing direction consistent circulation, improved the heat exchange efficiency between air and camera and infrared lamp.In addition, electric heater is set near fan, in the time that ambient temperature is too low, electric heater is started working, and by fan running, hot-air is delivered to camera place, makes camera be warming up to normal working temperature, guarantee the continuous running of camera, thereby expanded the scope of application of product.
Brief description of the drawings
Fig. 1 is the structural representation of the high-speed dome camera of prior art;
Fig. 2 is the structural representation of the infrared high speed dome camera of prior art;
Fig. 3 is the sectional view of the structure of controlling temperature of infrared high speed dome camera of the present invention;
Fig. 4 is the cutaway view of the structure of controlling temperature of infrared high speed dome camera of the present invention.
Embodiment
Referring to drawings and Examples, the present invention will be described in detail.
Fig. 3 is the sectional view of the structure of controlling temperature of infrared high speed dome camera of the present invention; Fig. 4 is the cutaway view of the structure of controlling temperature of infrared high speed dome camera of the present invention.
As shown in Figure 3, Figure 4, in the structure of controlling temperature of infrared high speed dome camera of the present invention, infrared lamp, around camera setting, is divided into closely infrared lamp, middle distance infrared lamp and remote infrared lamp, produces the infrared ray of different wave length; Circuit board multiple infrared lamps of fixing and arrange are infrared lamp power supply; Closely infrared lamp is close to camera setting, and its illumination, 50 meters of left and right, is generated heat less; Middle distance infrared lamp is arranged on the closely periphery of infrared lamp, and its illumination is 80 meters of left and right, and the heat of generation is moderate; Remote infrared lamp is arranged on the outmost turns of circuit board, and its illumination is 100 meters of left and right, and the heat of generation is maximum.
In the structure of controlling temperature of infrared high speed dome camera of the present invention, above-mentioned infrared high speed dome camera comprises: spherical shell 1, form the outward appearance on high-speed dome camera top, and high-speed dome camera is fixed on to installation site, play the effect of positioning shooting machine installation site; Shooting shell 7, holds, protects also fixing camera and the infrared lamp around camera, the together motion with the motion of shooting shell of camera and infrared lamp; Connected with outer casing 6, be flexibly connected respectively with spherical shell and shooting shell, one side connected with outer casing can do 360 ° with respect to spherical shell in the horizontal direction and horizontally rotate, on the other hand, shooting shell can do 360 ° of vertical rotation in the fixed range of connected with outer casing, thereby make camera can be in direction of panorama freely movable, photograph the panorama of surrounding environment.
Connected with outer casing 6 and shooting shell 7 are all hollow structure, the inner space of connected with outer casing is connected by the connecting portion 8 of the hollow of formation passage with the inner space of shooting shell, form the space that entirety is communicated with, inside at connected with outer casing arranges aerofoil fan, in the time that camera is worked, fan 9 starts to rotate flows the air circulation of connected with outer casing and shooting enclosure, in the time that air flows through shooting enclosure, take away the heat that infrared lamp produces, and spread heat is arrived to the each several part of connected with outer casing and shooting enclosure.
For improving the intensity of connected with outer casing, connected with outer casing inside is provided with dividing plate 10, two aerofoil fans 9 of air-out opposite direction are set on dividing plate, fan is communicated with respectively the upper and lower space of dividing plate, and respectively to air-out above or below dividing plate, the air in connected with outer casing and shooting shell is flowed according to fixing direction.
In near of fan, electric heater 11 is set, when infrared high speed dome camera is in the time that low temperature environment moves, electric heater is started working, and by fan, hot-air is delivered to shooting enclosure, makes camera be warming up to normal working temperature.
In the structure of controlling temperature of infrared high speed dome camera of the present invention, connected with outer casing forms by the connecting portion of hollow the space that entirety is communicated with shooting shell, in connected with outer casing inside, fan is set, in the time that camera is worked, fan starts to rotate flows the air circulation of connected with outer casing and shooting enclosure.Take away by the air constantly circulating the amount of heat that in shooting shell, infrared lamp produces, by the spread heat of infrared lamp connected with outer casing and shooting shell inner space in, and carry out exchange heat by surface and the external world of connected with outer casing and shooting shell, thereby increase the surface area of video camera to external world's heat radiation, improve the heat dissipation of video camera, effectively reduce the operating ambient temperature of camera, extended the working life of camera and infrared lamp.Due to two fans that air-out direction is contrary being set in connected with outer casing inside, connected with outer casing and the air of shooting in shell can be along fixing direction consistent circulation, improved the heat exchange efficiency between air and camera and infrared lamp.In addition, electric heater is set near fan, in the time that ambient temperature is too low, electric heater is started working, and by fan running, hot-air is delivered to camera place, makes camera be warming up to normal working temperature, guarantee the continuous running of camera, thereby expanded the scope of application of product.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention with preferred embodiment openly as above, but, not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, certainly can utilize the technology contents of announcement to make a little change or modification, become the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (2)
1. a structure of controlling temperature for infrared high speed dome camera, above-mentioned infrared high speed dome camera comprises: spherical shell, forms the outward appearance on high-speed dome camera top, and high-speed dome camera is fixed on to installation site; Shooting shell, holds, protects also fixing camera and the infrared lamp around camera; Connected with outer casing, be flexibly connected respectively with spherical shell and shooting shell, make camera can be in direction of panorama freely movable, it is characterized in that: the inner space of connected with outer casing forms by the connecting portion of hollow the space that entirety is communicated with the inner space of shooting shell, in connected with outer casing inside, fan is set, in the time that camera is worked, fan starts to rotate flows the air circulation of connected with outer casing and shooting enclosure; Connected with outer casing inside arranges dividing plate, and two fans of air-out opposite direction are set on dividing plate, and fan is communicated with respectively the upper and lower space of dividing plate, and respectively to air-out above or below dividing plate.
2. the structure of controlling temperature of infrared high speed dome camera according to claim 1, it is characterized in that: near at fan arranges electric heater, when infrared high speed dome camera is in the time that low temperature environment moves, electric heater is started working, and by fan, hot-air being delivered to shooting enclosure is that camera heats up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910229049.3A CN102098426B (en) | 2009-12-09 | 2009-12-09 | Temperature control structure for infrared high-speed spherical camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910229049.3A CN102098426B (en) | 2009-12-09 | 2009-12-09 | Temperature control structure for infrared high-speed spherical camera |
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| Publication Number | Publication Date |
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| CN102098426A CN102098426A (en) | 2011-06-15 |
| CN102098426B true CN102098426B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910229049.3A Expired - Fee Related CN102098426B (en) | 2009-12-09 | 2009-12-09 | Temperature control structure for infrared high-speed spherical camera |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300040B (en) * | 2011-09-01 | 2013-07-31 | 苏州佳世达电通有限公司 | Image monitoring module with radiation function |
| CN103607567A (en) * | 2013-11-20 | 2014-02-26 | 宁波市镇海环视信息科技有限公司 | Low-code stream 360-degree panorama high-definition one-body monitoring camera |
| CN108046074A (en) * | 2017-12-12 | 2018-05-18 | 湖南光学传媒有限公司 | Multimedia equipment in elevator |
| EP3553769B1 (en) * | 2018-04-10 | 2020-06-03 | Axis AB | A camera assembly having a cooling arrangement |
| CN110418031A (en) * | 2018-04-26 | 2019-11-05 | 江苏联禹智能工程有限公司 | A kind of DS/VWS intelligent protecting speed-changing spherical camera with effects |
| CN112040093B (en) * | 2019-06-03 | 2021-09-03 | 杭州海康威视数字技术股份有限公司 | Cover assembly of camera and camera |
| CN114302045A (en) * | 2021-12-31 | 2022-04-08 | 众信方智(苏州)智能技术有限公司 | Multichannel panoramic camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2888770Y (en) * | 2006-04-12 | 2007-04-11 | 韩超 | Surround spherical night viewing video camera |
| CN1984256A (en) * | 2005-12-06 | 2007-06-20 | 罗伯特·博世有限公司 | Modular surveillance system |
| CN201114372Y (en) * | 2007-07-25 | 2008-09-10 | 韩国政 | Up and down two-element integrated spherical pan/tilt |
| CN201126519Y (en) * | 2007-11-22 | 2008-10-01 | 王志厚 | Ball type horizontal stage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7236200B2 (en) * | 2003-07-30 | 2007-06-26 | Extreme Cctv International Inc. | Slip ring laser illuminator for speed domes |
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2009
- 2009-12-09 CN CN200910229049.3A patent/CN102098426B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984256A (en) * | 2005-12-06 | 2007-06-20 | 罗伯特·博世有限公司 | Modular surveillance system |
| CN2888770Y (en) * | 2006-04-12 | 2007-04-11 | 韩超 | Surround spherical night viewing video camera |
| CN201114372Y (en) * | 2007-07-25 | 2008-09-10 | 韩国政 | Up and down two-element integrated spherical pan/tilt |
| CN201126519Y (en) * | 2007-11-22 | 2008-10-01 | 王志厚 | Ball type horizontal stage |
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| CN102098426A (en) | 2011-06-15 |
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