CN109976068A - A kind of Portable type high-low temperature camera shooting protective device - Google Patents
A kind of Portable type high-low temperature camera shooting protective device Download PDFInfo
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- CN109976068A CN109976068A CN201910252930.9A CN201910252930A CN109976068A CN 109976068 A CN109976068 A CN 109976068A CN 201910252930 A CN201910252930 A CN 201910252930A CN 109976068 A CN109976068 A CN 109976068A
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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
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Abstract
The invention discloses a kind of Portable type high-low temperature to image protective device, including outer protection cabin, interior protection cabin, external cooling structure, internal heating structure, nitrogen circulation structure, temperature acquisition and controller and heating and refrigeration controler, CCD camera is placed in interior protection cabin, external cooling structure by protecting surface layout cold plate out of my cabin inside, the pipeline of cold plate laid inside transmission refrigerating fluid, it is protected inside cabin inside and is evenly arranged internal heating structure, temperature acquisition and controller are according to the differences of Current Temperatures and target temperature, it is adjusted in external cooling structure by heating and refrigeration controler and heats output power in coolant rate and internal heating structure, the CCD camera in interior protection cabin is finally set to be in normal temperature and pressure state always.The present invention can directly carry out shooting with video-corder in real time for test process under atmospheric high-low temperature environment, effectively control low temperature moisture condensation, to obtain clearly Product Status image.
Description
Technical field
The present invention relates to a kind of Portable type high-low temperature to image protective device, is related to a kind of portable normal pressure/vacuum high/low temperature
Protective device is imaged, suitable for comprehensive measurement in situ, real-time photography under wide temperature range environment.
Background technique
Test process under normal pressure/vacuum high/low temperature environment images protective device, mainly solves large scale structure mechanism product
The motion states such as expansion, gathering under normal pressure/vacuum high/low temperature environment and process it is accurate, real-time, clearly image problem.
It is existing to pass through for measuring device protective device some under high and low temperature environment in cabin outer wall sticking heating plates, control
Temperature in cabin processed provides room temperature working environment for photographic device, is not suitable for normal pressure and hot environment at low ambient temperatures；Have
In glass window using power-up heating membrane technology, realize the breakthrough of the antifog frost of low temperature, but the low temperature ring that this mode is applicable in
Border is limited, while not being suitable for hot environment；Also by maintaining inner layer glass to device delivered inside air drying gas
Cover internal temperature is constant, but this mode is only applicable to atmospheric pressure environment, is required far from camera shooting is met vacuum environment.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the deficiencies of the prior art, the present invention provides a kind of portable
High/low temperature images protective device, solves the large scale structure mechanism product thermocycling motion states prison such as expansion, gathering in the process
The problem of survey, to obtain clearly Product Status image.
The technical scheme adopted by the invention is that:
A kind of Portable type high-low temperature camera shooting protective device, including outer protection cabin, interior protection cabin, external cooling structure, inside
Heating structure, nitrogen circulation structure, temperature acquisition and controller and heating and refrigeration controler, CCD camera are placed in interior protection
In cabin, the same end in interior protection cabin and outer protection cabin is provided with optical observation window, arranges between two watch windows real-time
Air inlet and air outlet are arranged at the both ends of optical observation window in the nitrogen of circulation, and external cooling structure by protecting cabin inside
Cold plate is arranged in outer surface, and cold plate laid inside transmits the pipeline of refrigerating fluid, protects be evenly arranged internal add inside cabin inside
Heat structure is protected on cabin inside and is evenly arranged temperature sensor, surveys in CCD camera and the multiple temperature of supporting tool surface layout
Point, temperature acquisition and controller are adjusted external according to the difference of Current Temperatures and target temperature by heating and refrigeration controler
Output power is heated in coolant rate and internal heating structure in cooling structure, the CCD camera in interior protection cabin is finally made to begin
It is in normal temperature and pressure state eventually.
Before working in normal pressure, hot environment, position and the angle of CCD camera () are manually adjusted first, makes measured object
In field range；Then sealing cabin successively opens the temperature acquisition and controller, internal heating structure, outside in protection cabin
Cooling structure；
When the temperature in interior protection cabin is higher than room temperature, temperature acquisition and controller will increase refrigerating fluid in external cooling structure
Flow, make to protect cabin internal temperature close to room temperature, the synchronous flow for reducing refrigerating fluid, then the gradually internal heating of automatic adjustment
The flow of refrigerating fluid, makes that cabin internal temperature is protected gradually to tend to room temperature in the output power of structure and external cooling structure
Start the long-range posture that CCD camera is finely tuned by controller, camera shooting.
Before the device works in normal pressure, low temperature environment, manually adjust position and the angle of CCD camera first, make by
Object is surveyed in field range；Then sealing cabin opens nitrogen circulation pipeline, controls nitrogen input pressure, keeps nitrogen two
Continue between layer optical glass, circulation；Then the temperature acquisition and controller, internal heating for successively opening protection cabin are tied
Structure, external cooling structure；
When the temperature in interior protection cabin is lower than room temperature, temperature acquisition and controller will increase the output work of internal heating structure
Rate makes to protect cabin internal temperature close to room temperature, and the synchronous output power for reducing internal heating structure, then gradually automatic adjustment is outer
The output power of the flow of refrigerating fluid and internal heating structure in portion's cooling structure, makes that cabin internal temperature is protected gradually to tend to be normal
Temperature can start the long-range posture that CCD camera is finely tuned by controller, camera shooting.
Before working in vacuum, hot environment, position and the angle of CCD camera are manually adjusted first, measured object is made to exist
In field range；Then sealing cabin, temperature acquisition and controller, internal heating structure, the outside for successively opening protection cabin are cold
But structure；
When the temperature in interior protection cabin is higher than room temperature, temperature acquisition and controller will increase refrigerating fluid in external cooling structure
Flow, make to protect cabin internal temperature close to room temperature, the synchronous flow for reducing refrigerating fluid, then the gradually internal heating of automatic adjustment
The flow of refrigerating fluid, makes that cabin internal temperature is protected gradually to tend to room temperature in the output power of structure and external cooling structure
Start the long-range posture that CCD camera is finely tuned by controller, camera shooting.
Before working in vacuum, low temperature environment, position and the angle of CCD camera are manually adjusted first, measured object is made to exist
In field range；Then sealing cabin, temperature acquisition and controller, internal heating structure, the outside for successively opening protection cabin are cold
But structure；
When the temperature in interior protection cabin is lower than room temperature, temperature acquisition and controller will increase the output work of internal heating structure
Rate makes to protect cabin internal temperature close to room temperature, and the synchronous output power for reducing internal heating structure, then gradually automatic adjustment is outer
The output power of the flow of refrigerating fluid and internal heating structure in portion's cooling structure, makes that cabin internal temperature is protected gradually to tend to be normal
Temperature can start the long-range posture that CCD camera is finely tuned by controller, camera shooting.
Internal heating structure is heating tape or electric boiling plate, and heating tape protects five faces in cabin to be equally spaced inside, or
Interior protection cabin surface is spaced at equal intervals 3 pieces of heating plates.
External cooling structure is made of 5 pieces of coldplates, and the nitrogen circulation of transmitting refrigerating fluid is evenly arranged on every piece of coldplate
Structure, refrigerating fluid include liquid nitrogen and cooling water.
Joint coupling is set at camera support tooling, to adjust the pitching and left-right rotation angle of camera, when work,
It is manual and remotely combine by way of adjust the angle of camera, manually complete significantly pose adjusting, during the test
It is long-range to adjust in real time for the motion conditions of measurement object.
Multiple protective devices use simultaneously, mutually integrated between temperature acquisition and controller, synchronous to carry out temperature control, point
Respective internal heating structure and external cooling structure are not adjusted, so that multiple protective devices is respectively reached normal temperature and pressure state, so
After start to image.
The frame in outer protection cabin is metal structure, is aided with heat-preservation cotton, and interior protection cabin is aluminium sheet or copper sheet.
The present invention compared with prior art the utility model has the advantages that
(1) present invention can directly carry out shooting with video-corder in real time for test process under atmospheric high-low temperature environment, effectively control low
Warm moisture condensation solves and the asking for motion states monitoring such as is unfolded, collapses during large scale structure mechanism product thermocycling
Topic, to obtain clearly Product Status image；
(2) the present invention relates to a kind of portable normal pressure/vacuum high/low temperatures to image protective device, is suitable under wide temperature range environment
In situ, real-time photography comprehensive measurement realizes and carries out home state monitoring for large scale structure mechanism product.
Detailed description of the invention
Fig. 1 is composed structure schematic diagram of the present invention.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
A kind of Portable type high-low temperature camera shooting protective device, as shown in Figure 1, cold including outer protection cabin 1, interior protection cabin 2, outside
But structure 17, internal heating structure 16, nitrogen circulation structure 14, temperature sampler and controller 12 and heating and refrigeration control
Device 13, camera are placed in interior protection cabin 2, and the same end in interior protection cabin 2 and outer protection cabin 1 is provided with the first optical observation window 3
With the second optical observation window 4, the nitrogen 5 of real-time circulation is arranged between two watch windows, at the both ends of optical observation window 2
Air inlet and air outlet are set, optical glass is avoided to condense, external cooling structure 17 (is removed and seen by protection 2 outer surface of cabin inside
Examine outside window) arrangement cold plate, cold plate laid inside transmits the pipeline of refrigerating fluid, inside inside protection cabin (in addition to optical window
5 surfaces) be evenly arranged heating structure 16, inside protect cabin on (5 surfaces in addition to optical window) be evenly arranged temperature
Sensor utilizes temperature sampler in CCD camera 7 and the multiple temperature points of 8 surface layout of supporting tool as temperature monitoring
12 by temperature information real-time delivery to temperature controller, difference of the temperature controller 12 according to Current Temperatures and target temperature, mistake
Heating and refrigeration controler 13 adjust in external cooling structure 17 and heat output work in coolant rate and internal heating structure 16
Rate, coolant liquid are conveyed by coolant liquid structure 10, finally make the CCD camera 7 in interior protection cabin 2 always in normal temperature and pressure state.
The frame in outer protection cabin 1 is high strength steel or stainless steel, is aided with the heat-preservation cotton of good heat-insulation effect, interior protection cabin 2
For the preferable aluminium sheet of heat-conducting effect or copper sheet.
The course of work:
(1) constant-pressure and high-temperature: before the device works in normal pressure, hot environment, the position of CCD camera 7 is manually adjusted first
It sets and angle, makes measured object in field range；Then sealing cabin successively opens the temperature acquisition and controller in protection cabin
12, internal heating structure 16, external cooling structure 17.
When the temperature in interior protection cabin 2 is higher than room temperature, temperature acquisition and controller 12 will increase in external cooling structure 17
The flow of refrigerating fluid makes to protect cabin internal temperature close to room temperature, the synchronous flow for reducing refrigerating fluid, then gradually in automatic adjustment
The flow of refrigerating fluid, makes that cabin internal temperature is protected gradually to tend in the output power of portion's heating structure 16 and external cooling structure 17
Room temperature can start the long-range posture that camera is finely tuned by controller, camera shooting.
(2) atmospheric low-temperature: before the device works in normal pressure, low temperature environment, the position of CCD camera 7 is manually adjusted first
It sets and angle, makes measured object in field range；Then sealing cabin opens nitrogen circulation pipeline 15, control nitrogen input pressure
Power keeps nitrogen to continue between two layers of optical glass, circulation；Then temperature acquisition and the control in protection cabin are successively opened
Device 12, internal heating structure 16, external cooling structure 17.
When the temperature in interior protection cabin 2 is lower than room temperature, temperature acquisition and controller 12 will increase internal heating structure 16
Output power makes to protect cabin internal temperature close to room temperature, synchronizes the output power for reducing internal heating structure 16, then gradually certainly
The dynamic output power for adjusting the flow of refrigerating fluid and internal heating structure 16 in external cooling structure 17, makes to protect cabin internal temperature
Gradually tend to room temperature, the long-range posture for finely tuning camera by controller, camera shooting can be started.
(3) vacuum high-temperature: before the device works in vacuum, hot environment, the position of CCD camera 7 is manually adjusted first
It sets and angle, makes measured object in field range；Then sealing cabin successively opens the temperature acquisition and controller in protection cabin
12, internal heating structure 16, external cooling structure 17.
When the temperature in interior protection cabin 2 is higher than room temperature, temperature acquisition and controller 12 will increase in external cooling structure 17
The flow of refrigerating fluid makes to protect cabin internal temperature close to room temperature, the synchronous flow for reducing refrigerating fluid, then gradually in automatic adjustment
The flow of refrigerating fluid, makes that cabin internal temperature is protected gradually to tend in the output power of portion's heating structure 16 and external cooling structure 17
Room temperature can start the long-range posture that camera is finely tuned by controller, camera shooting.
(4) vacuum and low temperature: before the device works in vacuum, low temperature environment, the position of CCD camera 7 is manually adjusted first
It sets and angle, makes measured object in field range；Then sealing cabin successively opens the temperature acquisition and controller in protection cabin
12, internal heating structure 16, external cooling structure 17.
When the temperature in interior protection cabin 2 is lower than room temperature, temperature acquisition and controller 12 will increase internal heating structure 16
Output power makes to protect cabin internal temperature close to room temperature, synchronizes the output power for reducing internal heating structure 16, then gradually certainly
The dynamic output power for adjusting the flow of refrigerating fluid and internal heating structure 16 in external cooling structure 17, makes to protect cabin internal temperature
Gradually tend to room temperature, the long-range posture for finely tuning camera by controller, camera shooting can be started.
Internal heating structure is heating tape or electric boiling plate, and heating tape protects five faces in cabin to be equally spaced inside, every
A surface is spaced at equal intervals 3 pieces of heating plates.External cooling structure is made of 5 pieces of coldplates, and biography is evenly arranged on every piece of coldplate
The pipeline of refrigerating fluid is passed, refrigerating fluid includes liquid nitrogen and cooling water.
Joint coupling is set at camera support tooling 8, to adjust the pitching and left-right rotation angle of camera, work
When, it is manual and remotely combine by way of adjust the angle of camera, significantly pose adjusting is manually completed, in test process
In be directed to the motion conditions of measurement object, long-range real-time perfoming slightly adjusts.
Multiple protective devices use simultaneously, by temperature sampler and controller collection at synchronous progress temperature control is adjusted respectively
Respective heating structure and refrigeration structure are saved, multiple protective devices is made to respectively reach normal temperature and pressure state, then starts to image.
Concrete principle: when working in low temperature environment, the outside for filling pipeline is connect with nitrogen cylinder, passes through pressure reducing valve control
The input pressure of nitrogen processed keeps being continually fed into for nitrogen, prevents condensation vapor on windowpane；Pass through external cooling structure 17
The mode that refrigeration and internal heating structure 16 heat keeps interior environment temperature within the scope of normal temperature and pressure.Refrigeration uses external
Cooling-water machine forms closed water circulation system by the heat exchange row in silica gel water pipe and protection cabin, will protect heat extra in cabin
Amount is taken away, to play the effect of refrigeration；Heating uses the direct-fired mode of electric boiling plate, fills between outer wall and insulating layer
There is three pieces electric boiling plate, it can be under low-temperature condition to the heating of protection cabin；Protection cabin is provided with temperature sensor, can be to protection
Temperature in cabin carries out real-time measurement, and measuring signal is transferred to external temperature controller, when feedback temperature is beyond setting
When temperature, temperature controller then starts refrigeration or heating combined equipment, regulates and controls to temperature, guarantees video camera in normal temperature model
Enclose interior work.
Design of temperature control system principle is as follows:
(a) heat dissipation capacity calculates
Q1=α A (t1-t2)
Wherein α is comprehensive heat exchange factor (W/ DEG C of m2), determine have according to surface shape, feature, the temperature difference and flow velocity
Body is inquired or is calculated in the data such as " thermal conduction study " and " industrial furnace design manual "；A is cooling surface area (m2)；t1For radiating surface
Surface temperature (DEG C), t2For environment temperature (DEG C).
Embodiment
The method of the present invention is performed such implementation, including nitrogen circulating system, refrigeration system, heating system and temperature are adopted
Collection and control system, wherein nitrogen circulating system can effectively prevent Quartz glass surfaces condensation vapor.
Concrete principle: being installed in closed protection cabin, and quartz glass is installed in cabin side, and protection cabin is the double-deck knot
Structure is full of nitrogen at middle layer (i.e. between inside and outside wall), when working in low temperature environment, will fill outside and the nitrogen cylinder of pipeline
Connection is not less than 1.1MPa by the input pressure that pressure reducing valve controls nitrogen, keeps being continually fed into for nitrogen, prevent condensation vapor
On windowpane；Keep interior environment temperature within the scope of normal temperature and pressure by way of water circularly cooling and heating plate heating.
Refrigeration uses external cooling-water machine, forms closed water circulation system by the heat exchange row in silica gel water pipe and protection cabin, will protect
Extra heat is taken away in shield cabin, to play the effect of refrigeration；Heating uses the direct-fired mode of electric boiling plate, in outer wall
Three pieces electric boiling plate is housed between insulating layer, it can be under low-temperature condition to the heating of protection cabin；Protection cabin is provided with temperature biography
Sensor can carry out real-time measurement to the temperature in protection cabin, and measuring signal is transferred to external temperature controller, when anti-
When presenting temperature beyond set temperature, temperature controller then starts refrigeration or heating combined equipment, regulates and controls to temperature, guarantees video camera
It works within the scope of normal temperature.
Design of temperature control system principle is as follows:
(a) heat dissipation capacity calculates
It is -120 DEG C~+110 DEG C that camera system, which protects cabin working environment,.Internal temperature is 0 DEG C~40 DEG C.Inside and outside protecting bin
Environment temperature maximum temperature difference is not more than 120 DEG C.Case-side wall surface passes through the heat dissipation capacity Q of thermal insulation material and environment1=480W；Cabinet
The heat dissipation capacity Q of underrun glass and environment2=93.6W；The total heat dissipation capacity Q=Q of cabinet1+Q2=573.6W.
(b) heating and refrigerant system design
Protecting bin heating process uses silica gel electric boiling plate, is laid on the outer layer of protecting bin.Heating plate specification is 200*
180mm, monolithic power 200W, each protecting bin install 3 heating plates, general power 600W.The process of refrigerastion of protecting bin is using cold
Water dispenser, which supplies water, to be designed.10 DEG C of supply water temperature, flow 10L/min.6 camera systems, each system maximum stream flow are supplied simultaneously
1.67L/min.Water realizes the heat exchange with protecting bin by cooling fin.When the temperature of protecting bin is 50 DEG C, water-cooling system is
The maximum heat that protecting bin is taken away is Q=1260W.
Specifically used method:
(1) room temperature images process
The angle-adjusting bracket in bilge portion will be protected to be connected with tripod, by adjusting the spiral shell in adjusting bracket
Bolt changes the angle of video camera, and the height of video camera is adjusted by tripod, video camera is made to be in suitable camera site.When
Multiple cameras simultaneously in use, it is ensured that every video camera all in accordance with above step operation, be then turned on controller general supply,
Then the corresponding Switching Power Supply of each camera is opened, the temperature that main temperature sensor and backup temperature sensor measure at this time is all
It shows on the controller.Shooting control system is opened, the image of video camera real-time Transmission can be shown over the display.
(2) high temperature images process
Cooling-water machine is the refrigeration equipment in pyroprocess, must fill water to the water tank of cooling-water machine using preceding, if circulation
Pipeline is longer, is water tank moisturizing also in several minutes that experiment starts.When using this product in high temperature, in addition to complete ' often
Warm camera shooting process ' in step other than, should also connect circulating chilled water pipeline, arrange pipeline, recirculated water is enable to flow successively through respectively
A video camera protects cabin.It is peripheral then connect respectively with the intake-outlet of cooling-water machine.Each pipeline should be made in order before experiment, avoid sebific duct
There is larger dog-ear, it is current to influence water flow.After recirculated water connects, the circulating pump of Ying Kaiqi cooling-water machine carries out examination water, it is ensured that without infiltration
Leaking rear can be used.
(3) low temperature images process
When low-temperature condition uses this product, other than the step in completion ' room temperature camera shooting process ', nitrogen should be also connected
Air pipe and heating plate route.Nitrogen pipeline operating method is that tracheae is successively connected to the air inlet and air outlet in protection cabin,
Guarantee that air-flow can pass through each protection cabin.Air inlet is located at protection cabin front end close to the position of windowpane, gas outlet position
Tail end in protection cabin.Tracheae periphery is connected by triple valve with two nitrogen cylinders, and pressure reducing valve is housed on nitrogen cylinder, is answered in product
With preceding, two nitrogen cylinders should be opened, and outlet pressure is adjusted to 1.1MPa or so, a nitrogen cylinder is then shut off, by another
One nitrogen cylinder gas supply.When the nitrogen pressure of gas supply drops to 1.05MPa or less, another nitrogen cylinder is opened, closes this side
Triple valve and replace nitrogen cylinder, when another nitrogen cylinder is used up, repeat this operation.
Unspecified part of the present invention belongs to technology well known to those skilled in the art.
Claims (10)
1. a kind of Portable type high-low temperature images protective device, which is characterized in that including outer protection cabin (1), interior protection cabin (2), outside
Portion's cooling structure (17), internal heating structure (16), nitrogen circulation structure (14), temperature acquisition and controller (12) and heating
With refrigeration controler (13), CCD camera (7) is placed in interior protection cabin (2), the same end of interior protection cabin (2) and outer protection cabin (1)
It is provided with optical observation window, the nitrogen (5) of real-time circulation is arranged between two watch windows, the two of optical observation window
End setting air inlet and air outlet, external cooling structure (17) arrange cold plate, cold plate by protection cabin (2) outer surface inside
Laid inside transmits the pipeline of refrigerating fluid, protects be evenly arranged internal heating structure (16) inside cabin (2) inside, protect cabin inside
(2) temperature sensor is evenly arranged on, in CCD camera (7) and the multiple temperature points of supporting tool (8) surface layout, temperature is adopted
Collection according to the difference of Current Temperatures and target temperature, is adjusted external cold with controller (12) by heating and refrigeration controler (13)
But output power is heated in coolant rate and internal heating structure (16) in structure (17), finally made in interior protection cabin (2)
CCD camera (7) is in normal temperature and pressure state always.
2. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: in normal pressure, high temperature ring
Before working in border, position and the angle of CCD camera (7) are manually adjusted first, makes measured object in field range；Then it seals
Cabin successively opens temperature acquisition and controller (12), internal heating structure (16), the external cooling structure (17) in protection cabin；
When the temperature of interior protection cabin (2) is higher than room temperature, temperature acquisition and controller (12) will increase external cooling structure (17)
The flow of middle refrigerating fluid makes to protect cabin internal temperature close to room temperature, then the synchronous flow for reducing refrigerating fluid gradually automatically adjusts
The flow of refrigerating fluid in the output power of internal heating structure (16) and external cooling structure (17), make to protect cabin internal temperature by
Gradually in room temperature, the long-range posture by controller fine tuning CCD camera (7), camera shooting can be started.
3. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: the device normal pressure,
Before working in low temperature environment, position and the angle of CCD camera (7) are manually adjusted first, makes measured object in field range；So
Sealing cabin afterwards is opened nitrogen circulation pipeline (15), and nitrogen input pressure is controlled, and nitrogen is kept to hold between two layers of optical glass
Continuous, circulation；Then temperature acquisition and controller (12), internal heating structure (16), the outside for successively opening protection cabin are cold
But structure (17)；
When the temperature of interior protection cabin (2) is lower than room temperature, temperature acquisition and controller (12) will increase internal heating structure (16)
Output power, make to protect cabin internal temperature close to room temperature, the synchronous output power for reducing internal heating structure (16), then by
Step automatically adjusts the output power of the flow of refrigerating fluid and internal heating structure (16) in external cooling structure (17), makes to protect cabin
Internal temperature gradually tends to room temperature, can start the long-range posture by controller fine tuning CCD camera (7), camera shooting.
4. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: in vacuum, high temperature ring
Before working in border, position and the angle of CCD camera (7) are manually adjusted first, makes measured object in field range；Then it seals
Cabin successively opens temperature acquisition and controller (12), internal heating structure (16), the external cooling structure (17) in protection cabin；
When the temperature of interior protection cabin (2) is higher than room temperature, temperature acquisition and controller (12) will increase external cooling structure (17)
The flow of middle refrigerating fluid makes to protect cabin internal temperature close to room temperature, then the synchronous flow for reducing refrigerating fluid gradually automatically adjusts
The flow of refrigerating fluid in the output power of internal heating structure (16) and external cooling structure (17), make to protect cabin internal temperature by
Gradually in room temperature, the long-range posture by controller fine tuning CCD camera (7), camera shooting can be started.
5. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: in vacuum, low temperature ring
Before working in border, position and the angle of CCD camera (7) are manually adjusted first, makes measured object in field range；Then it seals
Cabin successively opens temperature acquisition and controller (12), internal heating structure (16), the external cooling structure (17) in protection cabin；
When the temperature of interior protection cabin (2) is lower than room temperature, temperature acquisition and controller (12) will increase internal heating structure (16)
Output power, make to protect cabin internal temperature close to room temperature, the synchronous output power for reducing internal heating structure (16), then by
Step automatically adjusts the output power of the flow of refrigerating fluid and internal heating structure (16) in external cooling structure (17), makes to protect cabin
Internal temperature gradually tends to room temperature, can start the long-range posture by controller fine tuning CCD camera (7), camera shooting.
6. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: internal heating structure
It (16) is heating tape or electric boiling plate, heating tape protects five faces in cabin (2) to be equally spaced inside, or protects cabin (2) table inside
Face is spaced at equal intervals 3 pieces of heating plates.
7. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: external cooling structure
(17) it is made of 5 pieces of coldplates, the nitrogen circulation structure (14) of transmitting refrigerating fluid, refrigerating fluid packet is evenly arranged on every piece of coldplate
Include liquid nitrogen and cooling water.
8. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: in camera support tooling
(8) joint coupling is set at, to adjust the pitching and left-right rotation angle of camera, when work, passes through manual and long-range phase knot
The mode of conjunction adjusts the angle of camera, manually completes significantly pose adjusting, is directed to the movement of measurement object during the test
Situation, it is long-range to adjust in real time.
9. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: multiple protective devices are same
When use, it is mutually integrated between temperature acquisition and controller (12), it is synchronous to carry out temperature control, adjust respective inside respectively and add
Heat structure (16) and external cooling structure (17), make multiple protective devices respectively reach normal temperature and pressure state, then start to image.
10. a kind of Portable type high-low temperature images protective device according to claim 1, it is characterised in that: protect outside cabin (1)
Frame is metal structure, is aided with heat-preservation cotton, and interior protection cabin (2) is aluminium sheet or copper sheet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910252930.9A CN109976068B (en) | 2019-03-29 | 2019-03-29 | Portable high-low temperature camera protection device |
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| CN201910252930.9A CN109976068B (en) | 2019-03-29 | 2019-03-29 | Portable high-low temperature camera protection device |
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| CN109976068A true CN109976068A (en) | 2019-07-05 |
| CN109976068B CN109976068B (en) | 2021-07-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113589186A (en) * | 2021-05-20 | 2021-11-02 | 杭州泉泰科技有限公司 | Battery pack overcharge 85-DEG C environmental test tool |
| CN113778145A (en) * | 2021-09-13 | 2021-12-10 | 中国人民解放军国防科技大学 | Condensation structure is prevented to low temperature flow field observation experiment observation window glass's intelligence |
| CN114002457A (en) * | 2021-11-17 | 2022-02-01 | 北京航空航天大学 | Particle image velocimeter |
| RU219629U1 (en) * | 2023-04-28 | 2023-07-28 | Акционерное общество "Эридан" | DEVICE FOR PROTECTION OF SUPERVISION CAMERA WITH COOLING |
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| CN102116620A (en) * | 2009-12-31 | 2011-07-06 | 北京卫星环境工程研究所 | Protection compartment for CCD (Charge Coupled Device) photographic surveying in vacuum low-temperature environment |
| WO2011083623A1 (en) * | 2010-01-07 | 2011-07-14 | 株式会社日立国際電気 | Platform integrated camera |
| CN102879278A (en) * | 2012-09-14 | 2013-01-16 | 清华大学 | High-low temperature dynamic cold-hot circulation thermodynamic test system |
| CN203181070U (en) * | 2013-03-14 | 2013-09-04 | 宝山钢铁股份有限公司 | Camera enclosure capable of automatically adjusting flow of cooling medium in temperature control manner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113589186A (en) * | 2021-05-20 | 2021-11-02 | 杭州泉泰科技有限公司 | Battery pack overcharge 85-DEG C environmental test tool |
| CN113778145A (en) * | 2021-09-13 | 2021-12-10 | 中国人民解放军国防科技大学 | Condensation structure is prevented to low temperature flow field observation experiment observation window glass's intelligence |
| CN114002457A (en) * | 2021-11-17 | 2022-02-01 | 北京航空航天大学 | Particle image velocimeter |
| RU219629U1 (en) * | 2023-04-28 | 2023-07-28 | Акционерное общество "Эридан" | DEVICE FOR PROTECTION OF SUPERVISION CAMERA WITH COOLING |
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