CN201690530U - High-temperature resistant web camera - Google Patents
High-temperature resistant web camera Download PDFInfo
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- CN201690530U CN201690530U CN2010202055449U CN201020205544U CN201690530U CN 201690530 U CN201690530 U CN 201690530U CN 2010202055449 U CN2010202055449 U CN 2010202055449U CN 201020205544 U CN201020205544 U CN 201020205544U CN 201690530 U CN201690530 U CN 201690530U
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- connection block
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- temperature resistant
- gyroaxis
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Abstract
The utility model provides a high-temperature resistant web camera with long service life. The high-temperature resistant web camera comprises a fixed base, a connecting base I, a connecting base II, a shell and a camera, wherein two ends of the connecting base I are respectively and rotatably connected with one end of the fixed base and the connecting base II in arrangement; the other end of the connecting base II is rotatably connected with the shell in arrangement; the shell has a hollow two-layer structure, the camera is arranged inside the shell and at least one convection hole is arranged between the outside wall of the shell and a hollow part; the camera comprises a lens, an audio and video signal processing device and a lighting device; the lens and the audio and video signal processing device are arranged inside the shell; and the lighting device is arranged on the connecting base II.
Description
Technical field
The utility model relates to a kind of high-temperature resistant network camera, it is that image transitions is the packet based on the TCP/IP network standard, the picture that video camera is taken the photograph directly is sent on the network by RJ-45 Ethernet interface or WIFI WLAN wave point, get final product the far-end monitoring image by network, be widely used in fields such as education, commerce, medical treatment, government utility.
Background technology
Web camera generally partly is made up of camera lens, imageing sensor, sound transducer, A/D converter, video/audio encoder, controller, the webserver, external alert, control interface etc.Wherein
1, camera lens is as the front end component of web camera, fixed aperture, auto iris, autozoom arranged, kind such as become doubly automatically, and it is identical with analog video camera.
2, imageing sensor has CMOS and two kinds of patterns of CCD.CMOS is a CMOS, and CMOS utilizes silicon and these two kinds of semiconductors that element is made of germanium, realizes basic function by CMOS is upward electronegative with transistor positively charged; Ccd image sensor is made of photoelectric diode that is two-dimensional arrangements on monocrystalline silicon substrate and transmission circuit thereof, and the equipment that transmits excellent image quality usually all adopts ccd image sensor, pays attention to the product of power consumption and cost and then selects cmos image sensor.
3, A/D converter is that image is become digital signal with analog signal conversion such as sound.Based on the image sensor module of CMOS pattern the interface of Direct Digital signal output is arranged, need not A/D converter; And based on the image sensor module of the CCD pattern interface if any Direct Digital output, also need not A/D converter, but, have only the simulation output interface because this module is primarily aimed at the analog video camera design, change so need carry out A/D.
4, image, vocoder, image encoding compress technique have two kinds: a kind of is the hardware encoding compression, is about to coding compression algorithm and is solidificated on the chip; Another kind is based on the software coding compression of DSP, and promptly running software carries out the encoding compression of image on DSP; Equally, the compression of sound also can be adopted hardware encoding compression and software compression, and its coding standard has forms such as MP3.
5, controller is the heart of web camera, and it is bearing the management and the Control work of web camera.If the hardware-compressed coding, controller is an individual components; If the software coding compression, controller is the DSP of operation encoding compression software, and promptly the two integrates.
6, the webserver provides the network function of web camera, it has adopted associated the Internet protocol such as RTP/RTCP, UDP, HTTP, TCP/IP, allow the user to use standard browser web camera to be conducted interviews, watch the camera lens and the The Cloud Terrace of realtime graphic and control video camera according to the IP address of web camera from the PC of oneself.
7, external alert, control interface: web camera is used for engineering practical external interface is provided, and as 485 interfaces of control The Cloud Terrace, is used for the I/O mouth of alarm signal input and output.Find to have target to occur as infrared probe, the alert signal of transmitting messages is given web camera, and web camera is adjusted lens direction and video recording in real time automatically; On the other hand, when web camera has detected moving target when occurring, also can outwards send alarm signal.
Based on aforementioned each part, the basic principle of web camera is: after camera lens input of picture signal process and voice signal are imported through microphone, be converted into the signal of telecommunication by imageing sensor and sound transducer, A/D converter is converted to digital electric signal with analog electrical signal, carry out encoding compression through encoder by certain coding standard again, under the control of controller, serve local area network (LAN) or INTERNET by the webserver by certain procotol, controller can also receive alarm signal and outwards send alarm signal, and sends control signal on request.
On physical structure, web camera comprises holder, Connection Block one, Connection Block two, housing and video camera etc., the two ends of Connection Block one are rotatably connected with holder and Connection Block two respectively, and Connection Block two other ends are fixedlyed connected with housing, and video camera is located on the housing.In the practice, video camera generally comprises camera lens, audio-video signal processing unit and lighting device, described camera lens, audio-video signal processing unit and lighting device are located on the housing, under a lot of situations, video camera is because solar radiation, reasons such as environment for use work long hours in the very high occasion of ambient temperature, add the heat that sends in the lighting device use, make that the inboard temperature of housing is higher, the audio-video signal processing unit works long hours and in the higher occasion of temperature the quality of the audio or video of network other end demonstration descended or distortion, and the useful life of components and parts itself have a greatly reduced quality the failure rate height.
The utility model content
The purpose of this utility model provides a kind of high-temperature resistant network camera of long service life.
The technical scheme that the utility model adopted is such: a kind of high-temperature resistant network camera, comprise holder, Connection Block one, Connection Block two, housing and video camera, the two ends of described Connection Block one respectively with the setting that is rotatably connected of an end of holder and Connection Block two, the setting that is rotatably connected of the other end of described Connection Block two and housing, described housing is a hollow double-layer structure, described video camera is located at the housing inboard, be provided with at least one to discharge orifice between hull outside wall and the hollow space, described video camera comprises camera lens, audio-video signal processing unit and lighting device, described camera lens and audio-video signal processing unit are located at the housing inboard, and described lighting device is located on the Connection Block two.
Above-mentioned high-temperature resistant network camera, described holder is provided with revolving dial, and described Connection Block one is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
Above-mentioned high-temperature resistant network camera, described Connection Block one is provided with revolving dial, and described Connection Block two is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
Above-mentioned high-temperature resistant network camera, described Connection Block two is provided with revolving dial, and described housing is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: housing adopts hollow double-layer structure, and be provided with discharge orifice between this hollow space and the external world, can not be directly passed to the housing madial wall after the hull outside wall is heated like this, and the housing madial wall reaches cool effect by the mezzanine space convection current after being heated, therefore be operated in sunlight direct projection or the higher occasion of ambient temperature for the most of the time, this double-layer shell structure can make the components and parts of audio-video signal processing unit be operated under the lower temperature, thereby guarantee the video camera operate as normal, also prolonged useful life.
Description of drawings
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is another visual angle stereogram of the utility model embodiment;
Fig. 3 is an A-A cutaway view among Fig. 1;
Fig. 4 is a B-B cutaway view among Fig. 1;
Specify the utility model below in conjunction with Figure of description for an embodiment.
Embodiment
Referring to figs. 1 to Fig. 4, embodiment discloses a kind of high-temperature resistant network camera, comprise holder 5, Connection Block 1, Connection Block 2, housing 3, video camera 4, described holder 5 is used for video camera 4 and other each part are fixed on the installation site, holder 5 is provided with a revolving dial 51, described Connection Block 1 has single-revolution axle 11, described gyroaxis 11 is located on this revolving dial 51 rotationally, described Connection Block 1 opposite side is provided with revolving dial 12, described Connection Block 2 is provided with single-revolution axle 21, the gyroaxis 21 of described Connection Block 2 is located on the revolving dial 12 of Connection Block 1 rotationally, described Connection Block 2 is provided with single-revolution platform 22, described housing 3 is provided with gyroaxis 31, the gyroaxis 31 of described housing 3 is located on the revolving dial 22 of Connection Block 2 rotationally, described video camera 4 comprises camera lens 41, audio-video signal processing unit 42 and lighting device 43, described camera lens 41 and audio-video signal processing unit 42 are located at housing 3 inboards, described audio-video signal processing unit 42 is general names of other each part except that camera lens 41 and lighting device 43 in the known video camera of general reference, and lighting device 43 is located on the Connection Block 2 and is used for reference object is thrown light on.With respect to known web camera, housing 3 of the present utility model adopts double-deck hollow structure, described camera lens 41, audio-video signal processing unit 42 is located at the inboard of housing 3, the part that Connection Block 2 links to each other with housing 3 also is arranged to double-deck hollow structure, simultaneously as a desirable embodiment, discharge orifice 23 is located between the lateral wall and intermediate course of housing 3, also can be located between the lateral wall and intermediate course of Connection Block 2 simultaneously, and the mezzanine space of the interlayer of housing 3 and Connection Block 2 is provided with the perforate that air can circulate, its objective is that the temperature of housing 3 inboard components and parts can not be subjected to too much influence when guaranteeing that housing 3 lateral wall ambient temperatures are higher.Lighting device 43 is located on the Connection Block 2 simultaneously, and audio-video signal processing unit 42 is located on the housing 3, comprise that like this heat that the lighting device of LED sends can not pass to the components and parts of audio-video signal processing unit 42, helps prolonging the useful life of each components and parts and reduces failure rate and audio frequency and video distortion.
Claims (4)
1. high-temperature resistant network camera, it is characterized in that: comprise holder, Connection Block one, Connection Block two, housing and video camera, the two ends of described Connection Block one respectively with the setting that is rotatably connected of an end of holder and Connection Block two, the setting that is rotatably connected of the other end of described Connection Block two and housing, described housing is a hollow double-layer structure, described video camera is located at the housing inboard, be provided with at least one to discharge orifice between hull outside wall and the hollow space, described video camera comprises camera lens, audio-video signal processing unit and lighting device, described camera lens and audio-video signal processing unit are located at the housing inboard, and described lighting device is located on the Connection Block two.
2. high-temperature resistant network camera according to claim 1 is characterized in that: described holder is provided with revolving dial, and described Connection Block one is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
3. high-temperature resistant network camera according to claim 1 is characterized in that: described Connection Block one is provided with revolving dial, and described Connection Block two is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
4. high-temperature resistant network camera according to claim 1 is characterized in that: described Connection Block two is provided with revolving dial, and described housing is provided with gyroaxis, and described gyroaxis is located on the revolving dial rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202055449U CN201690530U (en) | 2010-05-27 | 2010-05-27 | High-temperature resistant web camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202055449U CN201690530U (en) | 2010-05-27 | 2010-05-27 | High-temperature resistant web camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201690530U true CN201690530U (en) | 2010-12-29 |
Family
ID=43378807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202055449U Expired - Lifetime CN201690530U (en) | 2010-05-27 | 2010-05-27 | High-temperature resistant web camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201690530U (en) |
-
2010
- 2010-05-27 CN CN2010202055449U patent/CN201690530U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20111123 |