CN108254998A - With antifogging function and the refrigeration camera of dew-point temperature can be calculated - Google Patents
With antifogging function and the refrigeration camera of dew-point temperature can be calculated Download PDFInfo
- Publication number
- CN108254998A CN108254998A CN201810105214.3A CN201810105214A CN108254998A CN 108254998 A CN108254998 A CN 108254998A CN 201810105214 A CN201810105214 A CN 201810105214A CN 108254998 A CN108254998 A CN 108254998A
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- China
- Prior art keywords
- camera
- inner cavity
- heating component
- dew
- temperature
- Prior art date
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Studio Devices (AREA)
Abstract
The present invention provides a kind of refrigeration cameras with antifogging function, including camera inner cavity housing, the filter glass in camera inner cavity body, which is characterized in that further include heating component, the heating component is fixed on the housing of camera inner cavity, and the heating component is used to heat filter glass.By improving the temperature of filter glass to heating component electrified regulation, prevent the temperature on filter glass from condensing less than dew-point temperature, improve refrigeration camera to environment temperature and humidity adaptability.
Description
This case be using the applying date as on December 10th, 2015, application No. is 201510908821.X, it is entitled " have it is anti-condensation
The divisional application that the patent of invention of the refrigeration camera of dew function " is carried out for female case.
Technical field
The present invention relates to scientific research camera field, more particularly to a kind of refrigeration camera with antifogging function.
Background technology
Scientific research camera has the advantages that high s/n ratio, small, and refrigeration camera just belongs to one kind therein.Camera operation
Heat can be generated in the process, so as to noise occur, eventually affects the imaging effect of entire machine vision, in order to solve to improve phase
The image quality of machine, just occur low noise, high sensitivity, high-resolution, wide dynamic range refrigeration camera.In order to improve
The sensitivity of refrigeration camera reduces influence of the noise to image quality, and the method used at present is freezed to sensitive chip,
- 80 DEG C are sometimes even up to the cryogenic temperature of sensitive chip hereinafter, thus will appear a problem, the sense of deep refrigerating
Optical chip can absorb radiations heat energy from surrounding, so as to reduce the temperature of sensitive chip peripheral structural member, such as inner cavity housing, filter
Light glass.In addition, the vapor in air can condense on minute surface under certain condition, wherein when indoor temperature is 25 DEG C, phase
When being 90% to humidity, dew-point temperature is 23.2 DEG C.That is, temperature is 25 DEG C indoors, relative humidity is 90% condition
Under, if the temperature of the filter glass of refrigeration camera just will appear dew condensation phenomenon less than 23.2 DEG C on filter glass.And for system
For cold camera, during 25 DEG C of indoor temperature, filter glass temperature is easy for less than 23.2 DEG C.Many camera producers use at present
Way be to limit the environment that uses of camera, such as limitation camera working environment at 20 DEG C hereinafter, relative humidity 70 DEG C with
Under, it brings inconvenience to the use of user.
Invention content
The technical problems to be solved by the invention are：There is provided a kind of suitable environment temperature and humidity range it is wide have it is anti-condensation
Reveal the refrigeration camera of function.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of refrigeration camera with antifogging function, including camera inner cavity housing, the filter in camera inner cavity body
Light glass further includes heating component, and the heating component is fixed on the housing of camera inner cavity, and the heating component is used for filtering
Glass heats.
The beneficial effects of the present invention are：Heating component is set in camera inner cavity body, passes through the fever of heating component
The temperature of filter glass is improved, so as to prevent the temperature of filter glass from increasing refrigeration camera to environment temperature less than dew-point temperature
The adaptability of degree and humidity.
Description of the drawings
Fig. 1 is the explosive view of the refrigeration camera with antifogging function of the embodiment of the present invention；
Fig. 2 is the explosive view of the heating component of the embodiment of the present invention；
Fig. 3 is the sectional view of the refrigeration camera with antifogging function of the embodiment of the present invention.
Label declaration：
1st, camera inner cavity housing；2nd, filter glass；3rd, heating component；4th, retainer ring；5th, the first temperature sensor；6th, it is photosensitive
Chip；7th, chip circuit plate；
11st, flange；12nd, threading hole；
31st, resistance wire；32nd, protective film；33rd, lead-out wire.
Specific embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：A heating component is added in the camera that freezes, and heating component is generated heat
Heat transfer is to filter glass, so as to prevent the temperature of filter glass from condensing less than dew-point temperature.
Fig. 1 to Fig. 3 is please referred to, the present invention provides a kind of refrigeration camera with antifogging function, including camera inner cavity
Housing 1, the filter glass 2 in camera inner cavity housing 1, further include heating component 3, and the heating component 3 is fixed on camera
On inner cavity housing 1, the heating component 3 is used to heat filter glass 2.
Further, the heating component 3 includes 31, two protective films 32 of resistance wire, and the resistance wire 31 is located at two
In the interlayer of the protective film 32 being arranged in parallel, the inner ring of camera inner cavity housing 1 is equipped with to be coordinated with the heating component 3
Flange 11, the heating component 3 is fitted on the flange 11.
Seen from the above description, two protective films 32, which clamp resistance wire 31, protects, and resistance wire 31 is made effectively to shape,
Heating component 3 is bonded with the flange 11 on camera inner cavity housing 1, it is convenient that resistance wire 31 is installed and used, while increases heating group
The contact area of part 3 and camera inner cavity housing 1 improves heating efficiency.
Further, the heating component 3 further includes two lead-out wires 33, two lead-out wires 33 respectively with the electricity
Hinder the both ends connection of silk 31, the root of the flange 11 is set there are two threading hole 12, and the threading hole 12 is from the root of flange 11
Lead to 1 lateral surface of camera inner cavity housing, the threading hole 12 and 33 shape adaptation of lead-out wire.
Seen from the above description, the both ends of the resistance wire 31 of heating component 3 connect a lead-out wire 33 respectively, facilitate heating group
The connection of part 3 and other circuits, simple operation；The root of flange 11 is equipped with threading hole 12, and threading hole 12 is from the root of flange 11
Lead to 1 lateral surface of camera inner cavity housing, the trend of lead-out wire 33 does not influence camera other structures, rational in infrastructure, simple operation；It wears
String holes 12 and 33 shape adaptation of lead-out wire, it is compact-sized rationally to facilitate the installation of lead-out wire 33, while lead-out wire 33 is prevented from wearing
Deviate from string holes 12, prevent from influencing camera shooting sight.
Further, the face being bonded on the flange 11 with the heating component 3 is taper surface.
Seen from the above description, the face being bonded on the flange 11 of camera inner cavity housing 1 with heating component 3 is taper surface, can
Ensure the contact area that heating component 3 is bonded with flange 11, reduce the processing request to flange 11.
Further, the material of the protective film 32 is PET film.
Seen from the above description, the material of protective film 32 is PET film, has the advantages that high temperature resistant, good stability of the dimension, makes
Use long lifespan.
Further, the resistance wire 31 is constantan-made resistances silk, and the resistance wire 31 is coiled into several a few font arrangements, described
Lead-out wire 33 and the end of the resistance wire 31 rivet.
Seen from the above description, constantan-made resistances silk has the advantages that temperature coefficient is small, resistance coefficient is small, makes heating component 3
Performance is stablized, and low in energy consumption；It is evenly distributed that resistance wire 31 is coiled into several several fonts, can increase the length of unit length internal resistance wire 31
Degree increases the area of resistance wire 31, improve the heating efficiency and uniformity of heating component 3；Lead-out wire 33 and resistance wire 31
End rivets, and has the advantages that stable structure.
Further, retainer ring 4 is further included, the medial surface of the retainer ring 4 is bonded with the heating component 3, described solid
Determine ring 4 to be fixed by screws on camera inner cavity housing 1.
Seen from the above description, heating component 3 is adjacent to the flange 11 in camera inner cavity housing 1 by retainer ring 4 and screw
On, flange 11 and retainer ring 4 of the heat through camera inner cavity housing 1 that heating component 3 is sent out, screw reach camera inner cavity housing 1,
Filter glass 2 is reached again, and rational in infrastructure, heating surface (area) (HS is big, and the efficiency of heating surface is high.
Further, the material of the retainer ring 4 is aluminium.
Seen from the above description, the material of retainer ring 4 is aluminium, has the advantages that heat transfer rate is fast, heat-transfer capability is strong.
Further, the first temperature sensor 5 is further included, first temperature sensor 5 is fixed on camera inner cavity housing 1
Inner ring wall on.
Seen from the above description, the first temperature sensor 5 is detected the temperature of the inner ring wall of camera inner cavity housing 1,
And then the temperature of filter glass 2 is calculated indirectly, so as to fulfill the Detection ＆ Controling of the temperature to filter glass 2.
Further, humidity sensor and second temperature sensor are further included, the humidity sensor and second temperature pass
Sensor is fixed on the lateral wall of camera inner cavity housing 1.
Seen from the above description, humidity sensor and second temperature sensor are fixed on the lateral wall of camera inner cavity housing 1
On, it can realize and the temperature and humidity in environment is calculated, and then calculate dew-point temperature, as long as ensureing filter glass 2
Temperature be higher than dew-point temperature, you can ensure on filter glass 2 will not condensation, structure setting is reasonable.
Fig. 1 to Fig. 3 is please referred to, the embodiment of the present invention one is：
A kind of refrigeration camera with antifogging function, including camera inner cavity housing 1, in camera inner cavity housing 1
Filter glass 2, the filter glass 2 are entrenched on camera inner cavity housing 1, further include heating component 3, retainer ring 4, first
Temperature sensor 5, humidity sensor and second temperature sensor, the heating component 3 include 31, two protective films of resistance wire
32nd, two lead-out wires 33, the resistance wire 31 are constantan-made resistances silk, and the resistance wire 31 is coiled into several a few font arrangements, described
The material of protective film 32 is PET film, and the resistance wire 31 is located in two interlayers of the protective film 32 being arranged in parallel, two
The both ends riveting with the resistance wire 31, the inner ring of camera inner cavity housing 1 are equipped with and institute the lead-out wire 33 respectively
State the flange 11 of the cooperation of heating component 3, the root of the flange 11 is set there are two threading hole 12, and the threading hole 12 is from flange 11
Root lead to 1 lateral surface of camera inner cavity housing, the heating component 3 is fitted on the flange 11, the flange 11
The upper face that be bonded with the heating component 3 is taper surface, the threading hole 12 and 33 shape adaptation of lead-out wire, the heating
Component 3 is used to heat filter glass 2.
The medial surface of the retainer ring 4 is bonded with the heating component 3, and the retainer ring 4 is fixed by screws in described
On camera inner cavity housing 1, the material of the retainer ring 4 is aluminium.
First temperature sensor 5 is fixed on the inner ring wall of camera inner cavity housing 1, the humidity sensor and second
Temperature sensor is fixed on the lateral wall of camera inner cavity housing 1.
In addition, further including sensitive chip 6 and chip circuit plate 7, the sensitive chip 6 and chip circuit plate 7 are respectively positioned on institute
The back side of filter glass 2 is stated, first temperature sensor 5 is connect with the chip circuit plate 7.
In use, after being heated to heating component 3, heat passes through the flange 11 of camera inner cavity housing 1 and retainer ring 4, screw
Camera inner cavity housing 1 is transferred to, so as to be heated to the filter glass 2 being entrenched in camera inner cavity housing 1；First temperature passes
Sensor 5 detects the temperature on the inner ring wall of camera inner cavity housing 1, so as to calculate the temperature of filter glass 2 indirectly；Second temperature
Sensor and humidity sensor are respectively detected the temperature and humidity in environment, so as to calculate dew-point temperature indirectly；Only
Ensure filter glass 2 temperature be higher than dew-point temperature, you can ensure filter glass 2 on will not condensation, then can substantially reduce phase
The noise of machine improves the adaptability to environment temperature and humidity of camera.
In conclusion the refrigeration camera provided by the invention with antifogging function, by heating component 3 to camera inner cavity
Housing 1 heats, so as to fulfill being heated indirectly to the filter glass 2 being fixed on camera inner cavity housing 1, in heating component 3
Resistance wire 31 be coiled into several several fonts arrangements, and sandwiched with two PET films, heating component 3 passes through retainer ring 4 and screw fitting
It is fixed on the flange 11 of taper surface, the temperature of the first temperature sensor 5 detection camera inner cavity housing 1, so as to be filtered indirectly
The temperature of light glass 2, second temperature sensor and humidity sensor detect the temperature and humidity of environment respectively, so as to obtain indirectly
The dew-point temperature of environment realizes the control for being not less than dew-point temperature to the temperature of filter glass 2, and rational in infrastructure, heating efficiency is high,
Calorific capacity is strong, and parts performance is stablized, and service life is long, greatly improves the adaptation energy at county level to environment temperature and humidity that freezes
Power, and reduce noise.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made directly or indirectly are used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (6)
1. a kind of refrigeration camera that there is antifogging function and dew-point temperature can be calculated, which is characterized in that including camera inner cavity
Body, the filter glass in camera inner cavity body, which is characterized in that further include heating component and retainer ring, the heating group
Part is fixed on the housing of camera inner cavity, and the heating component is used to heat filter glass；
The heating component includes resistance wire, two protective films, and the resistance wire is located at two protective films being arranged in parallel
Interlayer in, the inner ring of camera inner cavity housing is equipped with flange coordinate with the heating component, and the heating component is bonded
On the flange；The medial surface of the retainer ring is bonded with the heating component, and the retainer ring is fixed by screws in institute
It states on the housing of camera inner cavity；
The first temperature sensor is further included, first temperature sensor is fixed on the inner ring wall of camera inner cavity housing；Also wrap
Humidity sensor and second temperature sensor are included, the humidity sensor and second temperature sensor are fixed on camera inner cavity housing
Lateral wall on.
2. the refrigeration camera according to claim 1 that there is antifogging function and dew-point temperature can be calculated, which is characterized in that
The heating component further includes two lead-out wires, and both ends of two lead-out wires respectively with the resistance wire are connect, described convex
The root of edge is set there are two threading hole, and the threading hole leads to the camera inner cavity outside from the root of flange, described
Threading hole and the lead-out wire shape adaptation.
3. the refrigeration camera according to claim 1 that there is antifogging function and dew-point temperature can be calculated, which is characterized in that
The face being bonded on the flange with the heating component is taper surface.
4. the refrigeration camera according to claim 1 that there is antifogging function and dew-point temperature can be calculated, which is characterized in that
The material of the protective film is PET film.
5. the refrigeration camera according to claim 2 that there is antifogging function and dew-point temperature can be calculated, which is characterized in that
The resistance wire is constantan-made resistances silk, and the resistance wire is coiled into several a few font arrangements, the lead-out wire and the resistance wire
End rivets.
6. the refrigeration camera according to claim 1 that there is antifogging function and dew-point temperature can be calculated, which is characterized in that
The material of the retainer ring is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105214.3A CN108254998B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and can calculate dew point temperature |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908821.XA CN105372909B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with antifogging function |
| CN201810105214.3A CN108254998B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and can calculate dew point temperature |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908821.XA Division CN105372909B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with antifogging function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108254998A true CN108254998A (en) | 2018-07-06 |
| CN108254998B CN108254998B (en) | 2020-10-30 |
Family
ID=55375233
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908821.XA Active CN105372909B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with antifogging function |
| CN201810105214.3A Active CN108254998B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and can calculate dew point temperature |
| CN201810105271.1A Active CN108153084B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and noise reduction |
| CN201810105213.9A Active CN108333854B (en) | 2015-12-10 | 2015-12-10 | High-temperature-resistant refrigeration camera with anti-condensation function |
| CN201810105225.1A Active CN108020981B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and simple to operate |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908821.XA Active CN105372909B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with antifogging function |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810105271.1A Active CN108153084B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and noise reduction |
| CN201810105213.9A Active CN108333854B (en) | 2015-12-10 | 2015-12-10 | High-temperature-resistant refrigeration camera with anti-condensation function |
| CN201810105225.1A Active CN108020981B (en) | 2015-12-10 | 2015-12-10 | Refrigeration camera with prevent condensation function and simple to operate |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105372909B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361845A (en) * | 2018-12-05 | 2019-02-19 | 武汉精立电子技术有限公司 | A kind of CCD camera structure being continuously shot high definition picture |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6723194B2 (en) * | 2017-04-26 | 2020-07-15 | 株式会社東海理化電機製作所 | Imaging device |
| CN110875997A (en) | 2018-08-29 | 2020-03-10 | 三赢科技（深圳）有限公司 | Camera head |
| CN110095921A (en) * | 2019-06-05 | 2019-08-06 | 广东弘景光电科技股份有限公司 | Automatic temperature-sensed heats camera module |
| CN111381620A (en) * | 2019-12-12 | 2020-07-07 | 贵州电网有限责任公司 | Anti-icing camera heating strategy software implementation scheme |
| CN113645444B (en) * | 2021-07-30 | 2024-02-13 | 广西电网有限责任公司电力科学研究院 | Anti-icing binocular vision transmission line crossing point on-line monitoring device |
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| CN2739671Y (en) * | 2004-10-22 | 2005-11-09 | 中国科学院西安光学精密机械研究所 | Digital camera temperature control device |
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| CN201965385U (en) * | 2011-02-14 | 2011-09-07 | 杭州海康威视数字技术股份有限公司 | Anti-fogging camera |
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| JP2009117911A (en) * | 2007-11-01 | 2009-05-28 | Nikon Corp | Image apparatus |
| JP2009152971A (en) * | 2007-12-21 | 2009-07-09 | Nikon Corp | Imaging apparatus and observation equipment |
| DE102008033316A1 (en) * | 2008-07-16 | 2010-01-21 | Siemens Aktiengesellschaft | Heating device for heating a glass surface, in particular a protective glass of an outdoor camera |
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- 2015-12-10 CN CN201510908821.XA patent/CN105372909B/en active Active
- 2015-12-10 CN CN201810105214.3A patent/CN108254998B/en active Active
- 2015-12-10 CN CN201810105271.1A patent/CN108153084B/en active Active
- 2015-12-10 CN CN201810105213.9A patent/CN108333854B/en active Active
- 2015-12-10 CN CN201810105225.1A patent/CN108020981B/en active Active
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| CN2739671Y (en) * | 2004-10-22 | 2005-11-09 | 中国科学院西安光学精密机械研究所 | Digital camera temperature control device |
| CN201226073Y (en) * | 2008-07-10 | 2009-04-22 | 福州图森图像技术有限公司 | Digital camera with heat-dissipating structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109361845A (en) * | 2018-12-05 | 2019-02-19 | 武汉精立电子技术有限公司 | A kind of CCD camera structure being continuously shot high definition picture |
| CN109361845B (en) * | 2018-12-05 | 2023-10-27 | 武汉精立电子技术有限公司 | CCD camera structure capable of continuously shooting high-definition pictures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108020981B (en) | 2020-11-10 |
| CN108020981A (en) | 2018-05-11 |
| CN108333854A (en) | 2018-07-27 |
| CN108333854B (en) | 2020-10-30 |
| CN108254998B (en) | 2020-10-30 |
| CN108153084A (en) | 2018-06-12 |
| CN105372909B (en) | 2018-03-06 |
| CN105372909A (en) | 2016-03-02 |
| CN108153084B (en) | 2020-11-10 |
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