CN108803201A - CCD camera assembly defogging method for refrigeration equipment - Google Patents
CCD camera assembly defogging method for refrigeration equipment Download PDFInfo
- Publication number
- CN108803201A CN108803201A CN201810623639.3A CN201810623639A CN108803201A CN 108803201 A CN108803201 A CN 108803201A CN 201810623639 A CN201810623639 A CN 201810623639A CN 108803201 A CN108803201 A CN 108803201A
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- Prior art keywords
- refrigeration equipment
- heating plate
- heating
- ccd camera
- door body
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 209
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 226
- 230000008014 freezing Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Abstract
The invention discloses a kind of CCD camera assembly defogging method for refrigeration equipment, the CCD camera assembly includes：Camera body；Holder and eyeglass, the holder are fixed in the camera body, and the eyeglass is fixed on the outer end of the holder and limits the cavity for the camera lens for accommodating the camera body with the holder；The heating plate for being heated to eyeglass is provided on the wherein described holder；The defogging method includes at least following steps：The heating plate is controlled discontinuously to heat the eyeglass, wherein every time heating when a length of t1, when adjacent interval heated twice a length of t2.The heating amount according to the present invention that heating plate can be efficiently reduced for the CCD camera assembly defogging method of refrigeration equipment, reduces the energy consumption of heating plate, extends the service life of CCD camera assembly.
Description
Technical field
The present invention relates to camera fields, more particularly, to a kind of CCD camera assembly defogging method for refrigeration equipment.
Background technology
In the related technology, when the camera in refrigeration equipment is arranged being opened due to refrigeration equipment, extraneous hot-air enters
Into refrigeration equipment, the inside and outside generation temperature difference of camera lens is resulted in so that fog is generated on camera lens, heating plate uses the side of continuous heating
For formula to prevent from generating fog on camera lens, the calorific value for resulting in heating plate is big, and the service life reduction of camera influences refrigeration equipment
Refrigeration effect.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose the CCD camera assembly defogging method for refrigeration equipment, which can
To efficiently reduce the heating amount of heating plate, the energy consumption of heating plate is reduced, extends the service life of CCD camera assembly.
CCD camera assembly defogging method according to the present invention for refrigeration equipment sets discontinuously to mirror heating plate to
Piece is heated, a length of t1 when heating plate often heats, when adjacent interval heated twice a length of t2, heating plate is discontinuously to eyeglass
Heating avoids camera body and eyeglass temperature is excessively high, extends camera body and the service life of eyeglass, reduces camera shooting
The power consumption of head assembly reduces the calorific value of heating plate.
CCD camera assembly defogging method according to the present invention for refrigeration equipment sets discontinuously to mirror heating plate to
Piece is heated, a length of t1 when heating plate often heats, when adjacent interval heated twice a length of t2, heating plate is discontinuously to eyeglass
Heating avoids camera body and eyeglass temperature is excessively high, extends camera body and the service life of eyeglass；Meanwhile it preventing
Heating plate is constantly in the state of work, reduces the calorific value of heating plate, improves the service life of heating plate.
According to one embodiment of present invention, the heating of the heating plate is adjusted according to the internal-external temperature difference of the refrigeration equipment
Frequency.
According to one embodiment of present invention, single heating duration t1 is adjusted according to the internal-external temperature difference of the refrigeration equipment.
According to one embodiment of present invention, according to the internal-external temperature difference of the refrigeration equipment adjust it is adjacent heat twice between
Every duration t2.
According to one embodiment of present invention, the heating of the heating plate is adjusted according to the internal-external temperature difference of the refrigeration equipment
Power.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration controls the heating frequency of heating plate.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration adjusts single heating duration t1.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration adjusts a length of t2 when the adjacent interval heated twice.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration adjusts the heating power of the heating plate.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
The heating frequency of door opening times control heating plate in time.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times adjustment single heating duration t1 in time.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times in time adjust a length of t2 when the adjacent interval heated twice.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times in time adjust the heating power of the heating plate.
According to one embodiment of present invention, it when the door body of refrigeration equipment is opened, controls the heating plate and is always maintained at
Heated condition.
According to one embodiment of present invention, when the duration opened in the door body of the refrigeration equipment is more than preset value t3,
The heating plate stops heating.
According to one embodiment of present invention, when the duration opened in the door body of the refrigeration equipment is more than preset value t4,
Refrigeration equipment sends out alarm.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the explosive view of CCD camera assembly according to the ... of the embodiment of the present invention；
Fig. 2 is the sectional view of CCD camera assembly according to the ... of the embodiment of the present invention.
Reference numeral：
CCD camera assembly 100,
Camera body 110, camera lens 111,
Holder 120, eyeglass mounting groove 121, heating plate mounting groove 122,
Eyeglass 130,
Heating plate 140, avoid holes 141
Limiting section 150, holding tank 160.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
The CCD camera assembly demisting side according to the ... of the embodiment of the present invention for refrigeration equipment is described below with reference to Fig. 1-Fig. 2
Method.
CCD camera assembly 100 includes：Camera body 110, holder 120 and eyeglass 130, holder 120 are fixed on camera
On ontology 110, eyeglass 130 is fixed on the outer end of holder 120 and limits the camera lens for accommodating camera body 110 with holder 120
111 cavity；The heating plate 140 for being heated to eyeglass 111 is wherein provided on holder 120；Defogging method includes at least such as
Lower step：The heating plate 140 is controlled discontinuously to heat the eyeglass 111, wherein every time heating when a length of t1, it is adjacent twice
A length of t2 when the interval of heating.
CCD camera assembly 100 according to the present invention can be used for shooting the real-time pictures in refrigeration equipment, camera body
Camera lens 111 is provided on 110, holder 120 and eyeglass 130 are located at the outside of camera lens 111, and eyeglass 130 is arranged in holder 120
Outermost end, for protecting camera lens 111, heating plate 140 heats eyeglass 130, so that eyeglass 130 reaches certain temperature,
After refrigeration equipment opening, steam will not coagulate on eyeglass 130 after the higher eyeglass of extraneous damp-heat air and temperature 130 contacts
Knot, to which eyeglass 130 will not haze；Even if when hazing on eyeglass 130, the eyeglass 130 that mist can be heated evaporates and reaches
Defogging effect avoids fog from impacting shooting to ensure the shooting clear of CCD camera assembly 100.Holder 120 can be used for
Eyeglass 130 and heating plate 140 are supported, so that eyeglass 130 and heating plate 140 may remain in the outside of camera lens 111, mirror
First 111 can be contained in the cavity that holder 120 is limited with eyeglass 130, and dust debris is avoided to generate shadow to camera lens 111
It rings, improves the reliability of CCD camera assembly.
In the related technology, heating plate results in mirror to the continuous heating that is heated to be of eyeglass, heating plate to eyeglass continuous heating
The temperature of piece is excessively high, camera body temperature is excessively high so that the component reduced service life in camera body influences to make
The refrigeration effect of cool equipment.
100 defogging method of CCD camera assembly according to the present invention heats eyeglass using interruption mode of heating, every time
It after heating the t1 times, is heated again after the t2 times, it is ensured that heating plate 140 extends and adds to the defogging effect of eyeglass
The service life of backing 140, while avoiding the temperature in camera body 110 excessively high, extend CCD camera assembly 100 uses the longevity
Life reduces energy consumption, reduces the heating of heating plate 140 and generates excessive influence to the temperature in refrigeration equipment, improves refrigeration equipment
Refrigeration effect.
Heating plate 140 is set as being interrupted by CCD camera assembly 100 defogging method according to the present invention for refrigeration equipment
Ground heats eyeglass, a length of t1 when often heating of heating plate 140, when adjacent interval heated twice a length of t2, heating plate 140
Camera body 110 discontinuously is avoided and eyeglass temperature is excessively high to eyeglass heating, extends camera body 110 and eyeglass
Service life；Meanwhile heating plate 140 being prevented to be constantly in the state of work, reduce the calorific value of heating plate 140, improves
The service life of heating plate 140.
According to one embodiment of present invention, the heating of the heating plate 140 is adjusted according to the internal-external temperature difference of refrigeration equipment
Frequency.Internal and refrigeration equipment outside can be provided with temperature sensor on refrigeration equipment, and temperature sensor can be used
In the temperature in detection refrigeration equipment and the temperature outside refrigeration equipment, when the internal-external temperature difference of refrigeration equipment increases, refrigeration equipment
Interior controller control heating plate 140 is to improve the heating frequency of heating plate 140, to increase calorific value, and then improve eyeglass
Temperature.After refrigeration equipment is opened, the air outside refrigeration equipment enters in refrigeration equipment, due to outdoor hot-air and camera lens
111 contacts, the excessive temperature difference causes to easy to produce fog on eyeglass, and the heating frequency of heating plate 140 increases with the temperature difference and
It improves so that the temperature of camera lens 111 increases, and then can be effectively prevented from and haze, and the work for improving CCD camera assembly 100 is steady
It is qualitative.Conversely, when the temperature difference inside and outside refrigeration equipment reduces, the heating frequency of heating plate 140 can be reduced.
According to one embodiment of present invention, single is adjusted according to the internal-external temperature difference of refrigeration equipment and heats duration t1, made
Inside the cool equipment and outside of refrigeration equipment can be provided with temperature sensor, and temperature sensor can be used for detecting refrigeration and set
Temperature outside standby interior temperature and refrigeration equipment, when the temperature in refrigeration equipment and the temperature-difference outside refrigeration equipment increase,
Controller in refrigeration equipment controls heating plate 140, improves 140 single of heating plate and heats duration t1, heating plate 140 can increase
The temperature of eyeglass, after refrigeration equipment is opened, the air outside refrigeration equipment enters in refrigeration equipment, and the heating of heating plate 140
Duration improves so that the temperature of camera lens 111 increases, and then can be effectively prevented from and haze, and improves the work of CCD camera assembly 100
Make stability.Conversely, when the temperature difference inside and outside refrigeration equipment reduces, the single heating duration of heating plate 140 can be reduced.
According to one embodiment of present invention, when adjusting the adjacent interval heated twice according to the internal-external temperature difference of refrigeration equipment
Long t2.When the temperature difference of the temperature in refrigeration equipment and the temperature outside refrigeration equipment increases, the controller control in refrigeration equipment
Heating plate 140 can make camera body 110 be maintained at certain temperature to shorten the adjacent interval duration t2 heated twice,
The heating duration in 140 unit interval of heating plate can be improved, the temperature of eyeglass is helped to improve, after refrigeration equipment is opened, system
Air outside cool equipment enters in refrigeration equipment, and the heating duration in 140 unit interval of heating plate improves so that camera lens
111 temperature increases, and then can be effectively prevented from and haze, and improves the job stability of CCD camera assembly 100.Conversely, working as
When the temperature difference inside and outside refrigeration equipment reduces, the adjacent interval duration heated twice of heating plate 140 can be improved.
According to one embodiment of present invention, the heating plate 140 is adjusted according to the internal-external temperature difference of the refrigeration equipment
Heating power.When the temperature difference of the temperature in refrigeration equipment and the temperature outside refrigeration equipment increases, the controller in refrigeration equipment
The heating power of heating plate 140 is improved, increases calorific value of the heating plate 140 within the unit interval, helps to improve the temperature of eyeglass
Degree, after refrigeration equipment is opened, the air outside refrigeration equipment enters in refrigeration equipment, and the power of heating plate 140 increases heating
Amount increases so that the temperature of camera lens 111 increases, and then can be effectively prevented from and haze, and improves the work of CCD camera assembly 100
Stability.Conversely, when the temperature difference inside and outside refrigeration equipment reduces, the heating power of heating plate 140 can be reduced.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration controls the heating frequency of heating plate 140.Refrigeration equipment door body opening time increases, and the hot-air outside refrigeration equipment is enabled to enter
Into refrigeration equipment, resulting in the temperature in refrigeration equipment and the temperature difference outside refrigeration equipment reduces, the control in refrigeration equipment
Device controls heating plate 140, reduces the heating frequency of heating plate 140, to reduce the calorific value of heating plate 140, improves refrigeration equipment
Refrigeration effect, keep the temperature in refrigeration equipment to stablize, while the service life of CCD camera assembly 100 can also be extended.
According to one embodiment of present invention, after the door body of refrigeration equipment is closed, when according to the opening of refrigeration equipment door body
Long adjustment single heats duration t1, and refrigeration equipment door body opening time increases, and the hot-air outside refrigeration equipment is enabled to enter refrigeration
In equipment, resulting in the temperature in refrigeration equipment and the temperature difference outside refrigeration equipment reduces, the controller control in refrigeration equipment
Heating plate 140 heats duration to shorten single, reduces the calorific value of heating plate 140, improves the refrigeration effect of refrigeration equipment, keeps
Temperature in refrigeration equipment is stablized, while can also extend the service life of CCD camera assembly 100.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration adjusts a length of t2 when the adjacent interval heated twice, and refrigeration equipment door body opening time increases, and enables the heat outside refrigeration equipment
Air enters in refrigeration equipment, and resulting in the temperature in refrigeration equipment and the temperature difference outside refrigeration equipment reduces, and controller can
To extend the adjacent time interval heated twice of heating plate 140 refrigeration equipment is improved to reduce the calorific value of heating plate 140
Refrigeration effect keeps the temperature in refrigeration equipment to stablize, while can also extend the service life of CCD camera assembly 100.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the opening of refrigeration equipment door body
Duration adjusts the heating power of the heating plate 140.Refrigeration equipment door body opening time is long, enables the hot-air outside refrigeration equipment
It enters in refrigeration equipment, resulting in the temperature in refrigeration equipment and the temperature difference outside refrigeration equipment reduces, and controller, which reduces, to be added
The heating power of backing 140 improves the refrigeration effect of refrigeration equipment to reduce the calorific value of heating plate 140, keeps refrigeration equipment
Interior temperature is stablized, while can also extend the service life of CCD camera assembly 100.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
The heating frequency of door opening times control heating plate 140 in time.Door opening times in unit interval increase, and result in refrigeration and set
Standby interior cold is lost in soon, is reduced with the temperature difference outside refrigeration equipment in refrigeration equipment, and controller reduces the heating of heating plate 140
Power improves the refrigeration effect of refrigeration equipment to reduce the calorific value of heating plate 140, and the temperature in refrigeration equipment is kept to stablize,
The service life of CCD camera assembly 100 can also be extended simultaneously.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times adjustment single heating duration t1 in time.Door opening times in unit interval increase, and result in refrigeration equipment
Cold be lost in fast, reduced with the temperature difference outside refrigeration equipment in refrigeration equipment, the controller in refrigeration equipment controls heating plate
140 improve the system of refrigeration equipment to control the reduction single heating of heating plate 140 duration t1 to reduce the calorific value of heating plate 140
Cold effect keeps the temperature in refrigeration equipment to stablize, while can also extend the service life of CCD camera assembly 100.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times in time adjust a length of t2 when the adjacent interval heated twice.Door opening times in unit interval increase, and cause
Cold in refrigeration equipment is lost in fast, is reduced with the temperature difference outside refrigeration equipment in refrigeration equipment, the control in refrigeration equipment
Device controls heating plate 140, extends the adjacent interval duration t2 heated twice, to reduce the calorific value of heating plate 140, improves refrigeration
The refrigeration effect of equipment keeps the temperature in refrigeration equipment to stablize, while can also extend the use longevity of CCD camera assembly 100
Life.
According to one embodiment of present invention, after the closing of the door body of refrigeration equipment, according to the unit of refrigeration equipment door body
Door opening times in time adjust the heating power of the heating plate 140.Door opening times in unit interval increase, and result in system
Cold in cool equipment is lost in soon, is reduced with the temperature difference outside refrigeration equipment in refrigeration equipment, and controller reduces heating plate 140
Heating power improves the refrigeration effect of refrigeration equipment to reduce the calorific value of heating plate 140, keeps the temperature in refrigeration equipment
Stablize, while the service life of CCD camera assembly 100 can also be extended.
According to one embodiment of present invention, it when the door body of refrigeration equipment is opened, controls the heating plate 140 and protects always
Hold heated condition.So that the hot-air of the outside of refrigeration equipment enters in refrigeration equipment after the door body of refrigeration equipment is opened, add
Backing 140 persistently heats eyeglass, to prevent eyeglass from hazing, ensures that the shooting effect of CCD camera assembly 100 is good.
According to one embodiment of present invention, when the duration opened in the door body of the refrigeration equipment is more than preset value t3,
The heating plate 140 stops heating.For camera membrane module temperature mistake caused by avoiding the heating time of heating plate 140 long
Height, when door body opening duration is more than t3, heating plate 140 stops heating, to protect CCD camera assembly 100, extends CCD camera assembly
100 service life.For example, after the opening time of door body being more than 2 minutes, 140 continuous heating of heating plate can can cause
Indoor temperature increases rapidly, therefore heating plate 140 can be made to stop heating.
According to one embodiment of present invention, when the duration opened in the door body of the refrigeration equipment is more than preset value t4,
Refrigeration equipment sends out alarm.The door body of refrigeration equipment is crossed to be opened for a long time, is resulted in refrigeration equipment and be can not work normally, refrigeration is set
The standby door body given a warning to remind user to close refrigeration equipment in time.Optionally, t4 > t3.That is, in heating plate
After 140 stop heating, door body can send out report still in open state in order to avoid the cold in refrigeration equipment is largely lost
Signal is warned to remind staff to close door body.
It is understood that there are many factors of the internal-external temperature difference of influence refrigeration equipment, including but not limited to：Indoor Temperature
Degree, outdoor temperature, the opening time of single door body, in the unit interval door body opening times, control centre can be according to these
Because usually control heating plate 140 heating frequency or/and single heating duration or/and the adjacent interval duration heated twice or/
With the heating power of heating plate 140.
Eyeglass 130 is arranged in the outer end of holder 120, is set on holder 120 by CCD camera assembly 100 according to the present invention
The heating plate 140 for heating eyeglass 130 is set, eyeglass can be effectively prevented from by being heated to eyeglass 130 by heating plate 140
Haze on 130, eyeglass 130 and heating plate 140 are arranged on holder 120, be damaged in eyeglass 130 or heating plate 140 or
When needing replacing, directly holder 120 can be disassembled, and then improve the dismounting rate of eyeglass 130 and heating plate 140,
It is convenient that CCD camera assembly 100 is safeguarded, reduce the use cost of CCD camera assembly 100.
According to one embodiment of present invention, the radius of eyeglass 130 is more than the radius of camera lens 111, so that eyeglass 130 can be with
It is located at the outside of camera lens 111 completely, ensures that camera lens 111 can be prevented the entrance such as foreign matter and dust by the protection of eyeglass 130
Into the cavity for the camera lens 111 for accommodating camera body 110, so that the camera lens 111 of camera body 110 is had, there are one reliable and stable
Working environment, help to improve the service life of CCD camera assembly 100.
Heating plate 140 is arranged between the center of eyeglass 130 and camera lens 111, and heating plate 140 is it is so structured that transparent heating
Piece 140, heating plate 140 can be round heating plate 140, and the center of circle of heating plate 140 is overlapped with the center of circle of eyeglass 130, so that plus
Backing 140 can be uniformly heated up camera lens 111, so that heating plate 140 is heated eyeglass 130 more uniform, avoid eyeglass
Occur that the dead angle of fog can not be removed on 130, improves the defogging effect of CCD camera assembly.
According to one embodiment of present invention, the radius of eyeglass 130 is more than the radius of camera lens 111, to ensure that eyeglass 130 can
To be located at completely outside camera lens 111, eyeglass 130 is allow to form a closed accommodation space with holder 120, ensures camera
The stability that component 100 works；Heating plate 140 is configured to annular, outer periphery of the heating plate 140 adjacent to eyeglass 130.
Heating plate 140 can heat the outer periphery of eyeglass 130, prevent heating plate 140 from being made to the shooting of camera lens 111
At influence and interference, heating plate 140 heats the outer periphery of eyeglass 130 so that the homogeneous heating of eyeglass 130 avoids adding
Backing 140 promotes defogging effect of the heating plate 140 to eyeglass 130 to 130 local heating of eyeglass.
According to one embodiment of present invention, the avoid holes 141 of evacuation camera lens 111, avoid holes are provided on heating plate 140
141 radius is not less than the radius of camera lens 111, and heating plate 140 can prevent heating plate 140 to mirror by the way that avoid holes 141 are arranged
First 111 shooting has an impact, and ensures the light-inletting quantity of camera lens 111, camera lens 111 is allow clearly to clap refrigeration equipment
It takes the photograph, prevents heating plate 140 from being had an impact to camera lens 111.
According to one embodiment of present invention, eyeglass mounting groove 121 is provided on holder 120, eyeglass 130 is embedded in eyeglass
In mounting groove 121, holder 120 can be structured as cylinder, in the centrally disposed receiving for being useful for installation camera lens 111 of cylinder
Space is provided with eyeglass mounting groove 121 on one end of holder 120, and the diameter of eyeglass 130 can be with eyeglass mounting groove 121
Diameter is identical, so that eyeglass 130 can be embedded in eyeglass mounting groove 121.
Further, eyeglass 130 is it is so structured that convex lens or concave mirror, the shape of eyeglass mounting groove 121 can be with eyeglass 130
Shape adaptation, it is close between eyeglass 130 and eyeglass mounting groove 121 after ensureing that eyeglass 130 is mounted on eyeglass mounting groove 121
Ground is bonded, and improves the reliability of CCD camera assembly 100, is effectively prevented from foreign matter dust etc. and is entered the cavity for accommodating camera lens 111
It is interior.
According to one embodiment of present invention, the bottom surface of eyeglass mounting groove 121 is provided with heating plate mounting groove 122, heating
Piece 140 is embedded in heating plate mounting groove 122, and heating plate 140 can be between camera lens 111 and eyeglass 130, heating plate installation
The radius of slot 122 is identical as the radius of heating plate 140, and heating plate mounting groove 122 is adapted with the shape of eyeglass 130, heating plate
140 are embedded after heating plate mounting groove 122 and can more uniformly be heated to eyeglass 130.
According to one embodiment of present invention, eyeglass 130 is it is so structured that convex lens, the shape of eyeglass mounting groove 121 with
The shape of eyeglass 130 is adapted, when heating plate 140 is mounted on heating plate mounting groove 122, between heating plate 140 and eyeglass 130
Can keep steadily distance.
According to one embodiment of present invention, the lateral circle surface of eyeglass mounting groove 121 is provided with heating plate mounting groove 122, adds
The outer periphery of backing 140 is embedded in heating plate mounting groove 122, and heating plate 140 can be carried out with 130 outer periphery of eyeglass of face
Heating, so that eyeglass 130 is uniformly heated, prevents local temperature excessively high, improves the use of eyeglass 130 and camera lens 111
Service life.Heating plate mounting groove 122 can be provided on the lateral circle surface of eyeglass mounting groove 121, the outer periphery of heating plate 140 is embedded
In heating plate mounting groove 122, heating plate mounting groove 122 can be supported and limit to heating plate 140 so that heating plate 140
It is firmly secured on holder 120, the distance between heating plate 140 and eyeglass 130 is made to keep stablizing.
According to one embodiment of present invention, heating plate 140 is spaced with eyeglass 130 to form heating gap, heating plate 140
Do not contacted with eyeglass 130, heating plate 140 can heat eyeglass 130 by way of heat radiation, avoid heat source directly with
Eyeglass 130 contacts, and improves the service life of eyeglass 130.
According to one embodiment of present invention, CCD camera assembly 100 further includes multiple locating parts, and multiple locating parts pass through branch
The peripheral wall of frame 120 can be provided with multiple through-holes passed through for locating part only to support the periphery wall of camera lens 111 on holder 120,
Locating part only supports after passing through holder 120 with camera lens 111, so that holder 120 can be fixed on camera lens 111, the side wall of camera lens 111
On can be provided with limiting section 150, limiting section 150 can be used for limiting movement of the locating part in 111 axial direction of camera lens, prevent from propping up
Frame 120 is detached from from camera lens 111, improves the stability of CCD camera assembly 100 so that the convenient disassembly of holder 120.
According to one embodiment of present invention, the thickness of heating plate 140 is 0.05mm-0.2mm, can make holder 120
Axial length shortens, and is conducive to the integral arrangement of CCD camera assembly 100, improves the applicability of CCD camera assembly.
According to one embodiment of present invention, it is additionally provided with the holding tank 160 for accommodating circuit on holder 120, holds
Receive slot 160 in the axial direction of holder 120 with 140 face of heating plate, in order to which circuit is connect with heating plate 140.
In the description of the present invention, it is to be understood that, term "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the instructions such as "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (16)
1. a kind of CCD camera assembly defogging method for refrigeration equipment, which is characterized in that the CCD camera assembly includes：
Camera body；
Holder and eyeglass, the holder are fixed in the camera body, the eyeglass be fixed on the outer end of the holder and
The cavity for the camera lens for accommodating the camera body is limited with the holder；It is provided with for eyeglass on the wherein described holder
The heating plate of heating；
The defogging method includes at least following steps：It controls the heating plate discontinuously to heat the eyeglass, wherein every time
A length of t1 when heating, when adjacent interval heated twice a length of t2.
2. the CCD camera assembly defogging method according to claim 1 for refrigeration equipment, which is characterized in that according to described
The internal-external temperature difference of refrigeration equipment adjusts the heating frequency of the heating plate.
3. the CCD camera assembly defogging method according to claim 1 for refrigeration equipment, which is characterized in that according to described
The internal-external temperature difference adjustment single heating duration t1 of refrigeration equipment.
4. the CCD camera assembly defogging method according to claim 1 for refrigeration equipment, which is characterized in that according to described
The internal-external temperature difference of refrigeration equipment adjusts the adjacent interval duration t2 heated twice.
5. the CCD camera assembly defogging method according to claim 1 for refrigeration equipment, which is characterized in that according to described
The internal-external temperature difference of refrigeration equipment adjusts the heating power of the heating plate.
6. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In after the door body of refrigeration equipment is closed, according to the heating frequency of refrigeration equipment door body opened duration and control heating plate.
7. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In after the door body of refrigeration equipment is closed, according to the opening duration of refrigeration equipment door body adjustment single heating duration t1.
8. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In after the door body of refrigeration equipment is closed, when adjusting the adjacent interval heated twice according to the opening duration of refrigeration equipment door body
A length of t2.
9. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In, refrigeration equipment door body close after, the heating power of the heating plate is adjusted according to the opening duration of refrigeration equipment door body.
10. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In after the door body of refrigeration equipment is closed, according to the door opening times control heating plate in the unit interval of refrigeration equipment door body
Heating frequency.
11. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In after the door body of refrigeration equipment is closed, according to the door opening times adjustment single heating in the unit interval of refrigeration equipment door body
Duration t1.
12. the CCD camera assembly defogging method according to any one of claims 1-5 for refrigeration equipment, feature exists
In adjacent twice according to the door opening times adjustment in the unit interval of refrigeration equipment door body after the door body of refrigeration equipment is closed
A length of t2 when the interval of heating.
13. the CCD camera assembly defogging method for refrigeration equipment according to any one of any one of claim 1-5,
It is characterized in that, after the door body of refrigeration equipment is closed, adjusted according to the door opening times in the unit interval of refrigeration equipment door body
The heating power of the heating plate.
14. the CCD camera assembly defogging method according to claim 1 for refrigeration equipment, which is characterized in that freezing
When the door body of equipment is opened, controls the heating plate and be always maintained at heated condition.
15. the CCD camera assembly defogging method according to claim 14 for refrigeration equipment, which is characterized in that described
When the duration that the door body of refrigeration equipment is opened is more than preset value t3, the heating plate stops heating.
16. the CCD camera assembly defogging method according to claim 14 for refrigeration equipment, which is characterized in that described
When the duration that the door body of refrigeration equipment is opened is more than preset value t4, refrigeration equipment sends out alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623639.3A CN108803201A (en) | 2018-06-15 | 2018-06-15 | CCD camera assembly defogging method for refrigeration equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810623639.3A CN108803201A (en) | 2018-06-15 | 2018-06-15 | CCD camera assembly defogging method for refrigeration equipment |
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| CN108803201A true CN108803201A (en) | 2018-11-13 |
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|---|---|---|---|
| CN201810623639.3A Pending CN108803201A (en) | 2018-06-15 | 2018-06-15 | CCD camera assembly defogging method for refrigeration equipment |
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| CN111343732A (en) * | 2018-12-18 | 2020-06-26 | Aptiv技术有限公司 | Heating device |
| US11654864B2 (en) | 2018-12-18 | 2023-05-23 | Aptiv Technologies Limited | Heating device |
| US12534047B2 (en) | 2018-12-18 | 2026-01-27 | Aptiv Technologies AG | Heating device |
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Application publication date: 20181113 |
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